================================================================================

                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549
                            _______________________

                                SCHEDULE 13D

                   Under the Securities Exchange Act of 1934
                                (Amendment No._)


                               MERCADOLIBRE, INC.
                               (Name of Issuer)
s
                    COMMON STOCK, PAR VALUE $0.001 PER SHARE
                        (Title of Class of Securities)


                                   58733R102
                                (CUSIP Number)

                               THOMAS J. MURPHY
                   C/O GENERAL ATLANTIC SERVICE COMPANY, LLC
                               3 PICKWICK PLAZA
                         GREENWICH, CONNECTICUT 06830
                           TEL. NO.: (203) 629-8600
                    (Name, Address and Telephone Number of
                     Person Authorized to Receive Notices
                              and Communications)
                            _______________________

                                AUGUST 15, 2007
                     (Date of Event which Requires Filing
                              of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(e), 1(f) or 1(g), check the following box [ ].

Note:  Schedules filed in paper format shall include a signed original and five
copies of the schedule,  including  all  exhibits.  See Rule 13d-1(a) for other
parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting  person's
initial  filing on this form with respect to the subject  class of  securities,
and for any  subsequent  amendment  containing  information  which  would alter
disclosures provided in a prior cover page.

The  information  required  on the  remainder  of this  cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the  Securities  Exchange
Act of 1934 ("Act") or otherwise  subject to the liabilities of that section of
the Act but shall be subject to all other  provisions of the Act (however,  see
the Notes).

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---------------------------                          ---------------------------
CUSIP NO. 58733R102                                             Page 2 of 20
---------------------------                          ---------------------------

--------------------------------------------------------------------------------
         NAME OF REPORTING PERSON
1        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         General Atlantic LLC
--------------------------------------------------------------------------------
2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (a)     [X]
                                                                (b)     [_]

--------------------------------------------------------------------------------
3        SEC USE ONLY


--------------------------------------------------------------------------------
4        SOURCE OF FUNDS

         OO
--------------------------------------------------------------------------------
5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
         ITEMS 2(d) or 2(e)

                                                                        [_]
--------------------------------------------------------------------------------
6        CITIZENSHIP OR PLACE OF ORGANIZATION

         Delaware
--------------------------------------------------------------------------------
                                7     SOLE VOTING POWER

                                      -0-
                                ------------------------------------------------
                                8     SHARED VOTING POWER
          NUMBER OF
           SHARES                     3,936,140
     BENEFICIALLY OWNED         ------------------------------------------------
     BY EACH REPORTING           9    SOLE DISPOSITIVE POWER
           PERSON
            WITH                      -0-
                                ------------------------------------------------
                                10    SHARED DISPOSITIVE POWER

                                      3,936,140
--------------------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         3,936,140
--------------------------------------------------------------------------------
12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

                                                                        [_]
--------------------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         8.90%
--------------------------------------------------------------------------------
14       TYPE OF REPORTING PERSON

         OO
--------------------------------------------------------------------------------


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                             Page 3 of 20
---------------------------                          ---------------------------

--------------------------------------------------------------------------------
         NAME OF REPORTING PERSON
1        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         General Atlantic Partners 84, L.P.
--------------------------------------------------------------------------------
2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (a)     [X]
                                                                (b)     [_]

--------------------------------------------------------------------------------
3        SEC USE ONLY


--------------------------------------------------------------------------------
4        SOURCE OF FUNDS

         OO
--------------------------------------------------------------------------------
5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
         ITEMS 2(d) or 2(e)

                                                                        [_]
--------------------------------------------------------------------------------
6        CITIZENSHIP OR PLACE OF ORGANIZATION

         Delaware
--------------------------------------------------------------------------------
                                7     SOLE VOTING POWER

                                      -0-
                                ------------------------------------------------
                                8     SHARED VOTING POWER
          NUMBER OF
           SHARES                     3,936,140
     BENEFICIALLY OWNED         ------------------------------------------------
     BY EACH REPORTING           9    SOLE DISPOSITIVE POWER
           PERSON
            WITH                      -0-
                                ------------------------------------------------
                                10    SHARED DISPOSITIVE POWER

                                      3,936,140
--------------------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         3,936,140
--------------------------------------------------------------------------------
12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

                                                                        [_]
--------------------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         8.90%
--------------------------------------------------------------------------------
14       TYPE OF REPORTING PERSON

         PN
--------------------------------------------------------------------------------


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                             Page 4 of 20
---------------------------                          ---------------------------

--------------------------------------------------------------------------------
         NAME OF REPORTING PERSON
1        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         GAP Coinvestments III, LLC
--------------------------------------------------------------------------------
2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (a)     [X]
                                                                (b)     [_]

--------------------------------------------------------------------------------
3        SEC USE ONLY


--------------------------------------------------------------------------------
4        SOURCE OF FUNDS

         OO
--------------------------------------------------------------------------------
5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
         ITEMS 2(d) or 2(e)

                                                                        [_]
--------------------------------------------------------------------------------
6        CITIZENSHIP OR PLACE OF ORGANIZATION

         Delaware
--------------------------------------------------------------------------------
                                7     SOLE VOTING POWER

                                      -0-
                                ------------------------------------------------
                                8     SHARED VOTING POWER
          NUMBER OF
           SHARES                     3,936,140
     BENEFICIALLY OWNED         ------------------------------------------------
     BY EACH REPORTING           9    SOLE DISPOSITIVE POWER
           PERSON
            WITH                      -0-
                                ------------------------------------------------
                                10    SHARED DISPOSITIVE POWER

                                      3,936,140
--------------------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         3,936,140
--------------------------------------------------------------------------------
12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

                                                                        [_]
--------------------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         8.90%
--------------------------------------------------------------------------------
14       TYPE OF REPORTING PERSON

         OO
--------------------------------------------------------------------------------


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                             Page 5 of 20
---------------------------                          ---------------------------

--------------------------------------------------------------------------------
         NAME OF REPORTING PERSON
1        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         GAP Coinvestments IV, LLC
--------------------------------------------------------------------------------
2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (a)     [X]
                                                                (b)     [_]

--------------------------------------------------------------------------------
3        SEC USE ONLY


--------------------------------------------------------------------------------
4        SOURCE OF FUNDS

         OO
--------------------------------------------------------------------------------
5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
         ITEMS 2(d) or 2(e)

                                                                        [_]
--------------------------------------------------------------------------------
6        CITIZENSHIP OR PLACE OF ORGANIZATION

         Delaware
--------------------------------------------------------------------------------
                                7     SOLE VOTING POWER

                                      -0-
                                ------------------------------------------------
                                8     SHARED VOTING POWER
          NUMBER OF
           SHARES                     3,936,140
     BENEFICIALLY OWNED         ------------------------------------------------
     BY EACH REPORTING           9    SOLE DISPOSITIVE POWER
           PERSON
            WITH                      -0-
                                ------------------------------------------------
                                10    SHARED DISPOSITIVE POWER

                                      3,936,140
--------------------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         3,936,140
--------------------------------------------------------------------------------
12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

                                                                        [_]
--------------------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         8.90%
--------------------------------------------------------------------------------
14       TYPE OF REPORTING PERSON

         OO
--------------------------------------------------------------------------------


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                             Page 6 of 20
---------------------------                          ---------------------------

--------------------------------------------------------------------------------
         NAME OF REPORTING PERSON
1        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         GapStar, LLC
--------------------------------------------------------------------------------
2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (a)     [X]
                                                                (b)     [_]

--------------------------------------------------------------------------------
3        SEC USE ONLY


--------------------------------------------------------------------------------
4        SOURCE OF FUNDS

         OO
--------------------------------------------------------------------------------
5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
         ITEMS 2(d) or 2(e)

                                                                        [_]
--------------------------------------------------------------------------------
6        CITIZENSHIP OR PLACE OF ORGANIZATION

         Delaware
--------------------------------------------------------------------------------
                                7     SOLE VOTING POWER

                                      -0-
                                ------------------------------------------------
                                8     SHARED VOTING POWER
          NUMBER OF
           SHARES                     3,936,140
     BENEFICIALLY OWNED         ------------------------------------------------
     BY EACH REPORTING           9    SOLE DISPOSITIVE POWER
           PERSON
            WITH                      -0-
                                ------------------------------------------------
                                10    SHARED DISPOSITIVE POWER

                                      3,936,140
--------------------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         3,936,140
--------------------------------------------------------------------------------
12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

                                                                        [_]
--------------------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         8.90%
--------------------------------------------------------------------------------
14       TYPE OF REPORTING PERSON

         OO
--------------------------------------------------------------------------------


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                             Page 7 of 20
---------------------------                          ---------------------------

--------------------------------------------------------------------------------
         NAME OF REPORTING PERSON
1        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         GAP Coinvestments CDA, L.P.
--------------------------------------------------------------------------------
2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (a)     [X]
                                                                (b)     [_]

--------------------------------------------------------------------------------
3        SEC USE ONLY


--------------------------------------------------------------------------------
4        SOURCE OF FUNDS

         OO
--------------------------------------------------------------------------------
5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
         ITEMS 2(d) or 2(e)

                                                                        [_]
--------------------------------------------------------------------------------
6        CITIZENSHIP OR PLACE OF ORGANIZATION

         Delaware
--------------------------------------------------------------------------------
                                7     SOLE VOTING POWER

                                      -0-
                                ------------------------------------------------
                                8     SHARED VOTING POWER
          NUMBER OF
           SHARES                     3,936,140
     BENEFICIALLY OWNED         ------------------------------------------------
     BY EACH REPORTING           9    SOLE DISPOSITIVE POWER
           PERSON
            WITH                      -0-
                                ------------------------------------------------
                                10    SHARED DISPOSITIVE POWER

                                      3,936,140
--------------------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         3,936,140
--------------------------------------------------------------------------------
12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

                                                                        [_]
--------------------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         8.90%
--------------------------------------------------------------------------------
14       TYPE OF REPORTING PERSON

         PN
--------------------------------------------------------------------------------


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                             Page 8 of 20
---------------------------                          ---------------------------

--------------------------------------------------------------------------------
         NAME OF REPORTING PERSON
1        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         GAPCO GmbH & Co. KG
--------------------------------------------------------------------------------
2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (a)     [X]
                                                                (b)     [_]

--------------------------------------------------------------------------------
3        SEC USE ONLY


--------------------------------------------------------------------------------
4        SOURCE OF FUNDS

         OO
--------------------------------------------------------------------------------
5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
         ITEMS 2(d) or 2(e)

                                                                        [_]
--------------------------------------------------------------------------------
6        CITIZENSHIP OR PLACE OF ORGANIZATION

         Germany
--------------------------------------------------------------------------------
                                7     SOLE VOTING POWER

                                      -0-
                                ------------------------------------------------
                                8     SHARED VOTING POWER
          NUMBER OF
           SHARES                     3,936,140
     BENEFICIALLY OWNED         ------------------------------------------------
     BY EACH REPORTING           9    SOLE DISPOSITIVE POWER
           PERSON
            WITH                      -0-
                                ------------------------------------------------
                                10    SHARED DISPOSITIVE POWER

                                      3,936,140
--------------------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         3,936,140
--------------------------------------------------------------------------------
12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

                                                                        [_]
--------------------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         8.90%
--------------------------------------------------------------------------------
14       TYPE OF REPORTING PERSON

         PN
--------------------------------------------------------------------------------


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                             Page 9 of 20
---------------------------                          ---------------------------

--------------------------------------------------------------------------------
         NAME OF REPORTING PERSON
1        S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

         GAPCO Management GmbH
--------------------------------------------------------------------------------
2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP       (a)     [X]
                                                                (b)     [_]

--------------------------------------------------------------------------------
3        SEC USE ONLY


--------------------------------------------------------------------------------
4        SOURCE OF FUNDS

         OO
--------------------------------------------------------------------------------
5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
         ITEMS 2(d) or 2(e)

                                                                        [_]
--------------------------------------------------------------------------------
6        CITIZENSHIP OR PLACE OF ORGANIZATION

         Germany
--------------------------------------------------------------------------------
                                7     SOLE VOTING POWER

                                      -0-
                                ------------------------------------------------
                                8     SHARED VOTING POWER
          NUMBER OF
           SHARES                     3,936,140
     BENEFICIALLY OWNED         ------------------------------------------------
     BY EACH REPORTING           9    SOLE DISPOSITIVE POWER
           PERSON
            WITH                      -0-
                                ------------------------------------------------
                                10    SHARED DISPOSITIVE POWER

                                      3,936,140
--------------------------------------------------------------------------------
11       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         3,936,140
--------------------------------------------------------------------------------
12       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES

                                                                        [_]
--------------------------------------------------------------------------------
13       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         8.90%
--------------------------------------------------------------------------------
14       TYPE OF REPORTING PERSON

         CO
--------------------------------------------------------------------------------


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                            Page 10 of 20
---------------------------                          ---------------------------


ITEM 1.  SECURITY AND ISSUER.

                This statement on Schedule 13D relates to the Common Stock, par
value $0.001 per share (the "Common Stock"), of MercadoLibre,  Inc., a Delaware
corporation (the "Company").  The address of the principal  executive office of
the Company is Tronador 4890, 8th Floor, Buenos Aires, C1430DNN, Argentina.


ITEM 2.  IDENTITY AND BACKGROUND.

                This  statement  is being filed by a group,  as defined in Rule
13d-5 of the General Rules and  Regulations  promulgated  under the  Securities
Exchange Act of 1934, as amended (the "Exchange Act"). The members of the group
are General Atlantic LLC, a Delaware limited liability company ("GA"),  General
Atlantic Partners 84, L.P., a Delaware limited partnership ("GAP 84"), GapStar,
LLC, a Delaware limited liability company  ("GapStar"),  GAP Coinvestments III,
LLC, a Delaware limited  liability company ("GAPCO III"), GAP Coinvestments IV,
LLC, a Delaware limited liability company ("GAPCO IV"), GAP Coinvestments  CDA,
L.P., a Delaware  limited  partnership  ("CDA"),  GAPCO GmbH & Co. KG, a German
limited  partnership  ("KG"),  and GAPCO Management GmbH, a German  corporation
("GmbH Management" and, collectively with GA, GAP 84, GapStar, GAPCO III, GAPCO
IV, CDA and KG, the "Reporting Persons").  The Reporting Persons (other than KG
and GmbH  Management) are located at 3 Pickwick Plaza,  Greenwich,  Connecticut
06830.  KG and GmbH  Management  are  located  at c/o  General  Atlantic  GmbH,
Koenigsallee 62, 40212 Duesseldorf,  Germany.  Each of the Reporting Persons is
engaged in acquiring,  holding and disposing of interests in various  companies
for investment purposes.



---------------------------                          ---------------------------
CUSIP NO. 58733R102                                            Page 11 of 20
---------------------------                          ---------------------------



                GA is the general partner of each of GAP 84 and CDA. GA is also
the sole member of GapStar.  GmbH  Management is the general partner of KG. The
Managing  Directors  of GA are Steven A.  Denning  (Chairman),  William E. Ford
(Chief Executive Officer),  Ray Bingham, Peter L. Bloom, Mark F. Dzialga, Klaus
Esser, Vince Feng, William O. Grabe, Abhay Havaldar,  David C. Hodgson, Rene M.
Kern,  Jonathan Korngold,  Christopher  Lanning,  Anton Levy, Marc F. McMorris,
Thomas J. Murphy, Matthew Nimetz, Drew Pearson,  David A. Rosenstein,  Franchon
M.  Smithson,  Tom C. Tinsley,  Philip P.  Trahanas and Florian P.  Wendelstadt
(collectively,  the "GA Managing Directors"). The managing members of GAPCO III
and GAPCO IV are GA Managing Directors.  The business address of each of the GA
Managing  Directors  (other  than  Messrs.  Esser,  Feng,  Havaldar,   Bingham,
McMorris, Tinsley and Wendelstadt) is 3 Pickwick Plaza, Greenwich,  Connecticut
06830.   The  business   address  of  Mr.  Esser  is  Koenigsallee  62,  40212,
Duesseldorf,   Germany.   The  business   address  of  Mr.  Feng  is  18/F  One
International  Finance Centre, 1 Harbour View Street,  Central,  Hong Kong. The
business address of Mr. Havaldar is 151-152,  15th Floor, Maker Chamber VI, 220
Nariman Point,  Mumbai 400 021, India. The business address of Messrs.  Bingham
and McMorris is 228 Hamilton Avenue, Palo Alto,  California 94301. The business
address of Mr. Tinsley is 2401 Pennsylvania Avenue N.W., Washington D.C. 20037.
The business address of Mr.  Wendelstadt is 83 Pall Mall, Fourth Floor,  London
SW1Y 5ES, United Kingdom. Each of the GA Managing Directors, other than Messrs.
Esser,  Havaldar,  Kern and  Wendelstadt,  is a citizen of the  United  States.
Messrs.  Esser,  Kern and  Wendelstadt  are citizens of Germany;  Mr. Feng is a
citizen  of the United  States and  Taiwan;  and Mr.  Havaldar  is a citizen of
India.  The  present  principal  occupation  or  employment  of  each of the GA
Managing Directors is as a Managing Director of GA.



---------------------------                          ---------------------------
CUSIP NO. 58733R102                                            Page 12 of 20
---------------------------                          ---------------------------


                None of the  Reporting  Persons  and  none  of the  individuals
listed above has, during the last five years,  been (i) convicted in a criminal
proceeding  (excluding  traffic  violations or similar  misdemeanors) or (ii) a
party to a civil proceeding of a judicial or  administrative  body of competent
jurisdiction  or subject to any  judgment,  decree or final  order  finding any
violation of federal or state  securities laws or enjoining  future  violations
of, or prohibiting or mandating activities subject to, such laws.


ITEM 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

                On August 15, 2007 (the  "Closing  Date"),  GAP 84,  GAPCO III,
GAPCO IV, GapStar,  CDA and KG (the "GA Purchasers")  purchased an aggregate of
3,000,000  shares of Common Stock,  par value $0.001 per share,  of the Company
(the "Common Stock") in the Company's  initial public offering for an aggregate
purchase  price of  $54,000,000.  Also on August 15,  2007,  the GA  Purchasers
purchased an aggregate of 936,140 shares of Common Stock from Alsen  Investment
Partners,  Ltd., a British  Virgin Islands  business  company  ("Alsen"),  in a
private placement,  pursuant to a Stock Purchase Agreement,  dated as of August
12, 2007 (the "Stock Purchase  Agreement"),  by and among the GA Purchasers and
Alsen, for an aggregate purchase price of $16,850,520.

                The funds to purchase the shares of Common Stock were  obtained
from  contributions  from  partners of GAP 84, CDA and KG, the members of GAPCO
III and GAPCO IV and the available capital of GapStar.


ITEM 4.  PURPOSE OF TRANSACTION.

                The  Reporting  Persons  acquired  beneficial  ownership of the
shares  of  Preferred  Stock  described  in this  Schedule  13D for  investment
purposes.  The  Reporting  Persons  may,  from  time to time,  make  additional
purchases of Common Stock either in the open market or in private transactions,


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                            Page 13 of 20
---------------------------                          ---------------------------


depending  upon the Reporting  Persons'  evaluation of the Company's  business,
prospects  and  financial  condition,  the market for the Common  Stock,  other
opportunities available to the Reporting Persons,  general economic conditions,
stock market conditions and other factors.

                Depending upon the factors noted above,  the Reporting  Persons
may also  decide to hold or dispose of all or part of their  investment  in the
Common Stock.

                As the Company disclosed in its Registration  Statement on Form
S-1/A filed with the Securities and Exchange  Commission on August 7, 2007, the
Company and the Reporting Persons have had discussions  regarding the Reporting
Person's  interest in  submitting  to the  Company's  nominating  and corporate
governance committee a director nominee to be considered for appointment by the
Company's  board of directors  after the  completion of the  Company's  initial
public offering.

                None of the Reporting  Persons has any other plans which relate
to or would result in any of the items listed in paragraphs  (a) through (j) of
Item 4.


ITEM 5.  INTEREST IN SECURITIES OF THE ISSUER.

         (a)    As of the date hereof,  GA, GAP 84,  GapStar,  GAPCO III, GAPCO
IV, CDA, KG and GmbH  Management  each own of record no shares of Common Stock,
3,631,148 shares of Common Stock, 47,049 shares of Common Stock, 202,785 shares
of Common Stock,  42,581 shares of Common Stock,  3,920 shares of Common Stock,
8,657  shares of Common  Stock,  and no shares of Common  Stock,  respectively,
representing  0.0%, 8.2%, 0.1%, 0.5%, 0.1%, 0.0%, 0.0% and 0.0%,  respectively,
of the Company's issued and outstanding shares of Common Stock.

                By  virtue of the fact that (i) GA is the  general  partner  of
each of GAP 84 and CDA, (ii) the managing  members  authorized and empowered to
vote  and  dispose  of the  securities  held by GAPCO  III and  GAPCO IV are GA
Managing  Directors,  (iii) GA is the sole  member of  GapStar  and (iv) the GA


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                            Page 14 of 20
---------------------------                          ---------------------------


Managing  Directors  are  authorized  and  empowered to vote and dispose of the
securities held by KG and GmbH Management,  the Reporting Persons may be deemed
to share voting power and the power to direct the  disposition of the shares of
Common  Stock,  which each owns of record.  As of the date hereof,  each of the
Reporting  Persons may be deemed to own  beneficially an aggregate of 3,936,140
shares  of Common  Stock  (calculated  on the basis of the  number of shares of
Common Stock which may be acquired by the Reporting Persons within 60 days), or
8.90% of the Company's issued and outstanding shares of Common Stock.

         (b)    Each of the  Reporting  Persons has the shared  power to direct
the vote and the shared power to direct the disposition of the 3,936,140 shares
of Common Stock that may be deemed to be owned beneficially by each of them.

         (c)    Please see Item 3, which is hereby  incorporated  by reference.
Except as set forth in Item 3 or  otherwise  herein,  to the  knowledge  of the
Reporting  Persons with  respect to the persons  named in response to paragraph
(a),  none of the persons  named in response to paragraph  (a) has effected any
transactions  in shares of Common Stock or  Preferred  Stock during the past 60
days.

         (d)    No person  other than the  persons  listed is known to have the
right to receive or the power to direct the receipt of dividends  from,  or the
proceeds from the sale of, any securities owned by any member of the group.

         (e)  Not Applicable.


ITEM 6.  CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIP WITH RESPECT
         TO THE ISSUER.

                As noted above,  the GA Managing  Directors are  authorized and
empowered to vote and dispose of the securities held by GAPCO III and GAPCO IV,
and GA is authorized and empowered to vote and dispose of the  securities  held
by GAP 84, GapStar and CDA. The GA Managing  Directors are also  authorized and


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                            Page 15 of 20
---------------------------                          ---------------------------


empowered  to vote and dispose of  securities  held by KG and GmbH  management.
Accordingly,  GA and the GA Managing  Directors may, from time to time, consult
among  themselves and  coordinate  the voting and  disposition of the shares of
Common Stock held by the Reporting Persons,  as well as such other action taken
on behalf of the  Reporting  Persons with respect to the shares of Common Stock
held by the Reporting Persons as they deem to be in the collective  interest of
the Reporting Persons.

                As  described  in Item 3 above,  pursuant  to the  terms of the
Stock Purchase Agreement,  the GA Purchasers  purchased an aggregate of 936,140
shares of Common Stock.

                The  Company  and  the GA  Purchasers  entered  into a  Lock-Up
Agreement,  dated as of August 9, 2007 (the "Lock-Up  Agreement"),  pursuant to
which the GA  Purchasers  agreed not to  transfer  or dispose  of,  directly or
indirectly,  any of their shares of the  Company's  Common Stock or  securities
convertible  into or exchangeable  for the Company's  capital stock without the
Company's  consent for 540 days from August 9, 2007,  the date of the Company's
final prospectus.

                The foregoing summaries of the Stock Purchase Agreement and the
Lock Up Agreement  are  qualified in their  entirety by reference to Exhibits 2
and 3, which are incorporated herein by reference.



ITEM 7.  MATERIALS TO BE FILED AS EXHIBITS.

                Exhibit 1:    Agreement   relating   to  the  filing  of  joint
                              acquisition   statements   as  required  by  Rule
                              13d-1(k)(1) under the Securities  Exchange Act of
                              1934, as amended.



---------------------------                          ---------------------------
CUSIP NO. 58733R102                                            Page 16 of 20
---------------------------                          ---------------------------


                Exhibit 2:    Stock Purchase Agreement,  dated as of August 12,
                              2007, by and among  MercadoLibre,  Inc.,  General
                              Atlantic  Partners  84, L.P.,  GAP  Coinvestments
                              III, LLC, GAP Coinvestments IV, LLC, GapStar, LLC
                              and GAPCO GmbH & Co. KG.

                Exhibit 3:    Lock Up Agreement, dated as of August 9, 2007, by
                              and among  MercadoLibre,  Inc.,  General Atlantic
                              Partners 84, L.P.,  GAP  Coinvestments  III, LLC,
                              GAP Coinvestments IV, LLC, GapStar, LLC and GAPCO
                              GmbH & Co. KG.



---------------------------                          ---------------------------
CUSIP NO. 58733R102                                            Page 17 of 20
---------------------------                          ---------------------------


                                   SIGNATURES

                After  reasonable  inquiry and to the best of my knowledge  and
belief,  I certify that the  information  set forth in this  statement is true,
complete and correct.

Dated:  August 20, 2007.

                                        GENERAL ATLANTIC LLC


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director



                                        GENERAL ATLANTIC PARTNERS 84, L.P.

                                        By:  General Atlantic LLC,
                                             Its general partner


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director



                                        GAP COINVESTMENTS III, LLC


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Member



                                        GAP COINVESTMENTS IV, LLC


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Member


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                            Page 18 of 20
---------------------------                          ---------------------------



                                        GAPSTAR, LLC
                                        By:  General Atlantic LLC,
                                             Its sole member


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director



                                        GAP Coinvestments CDA, L.P.

                                        By:     General Atlantic LLC,
                                                Its general partner


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director



                                        GAPCO GMBH & CO. KG

                                        By:  GAPCO Management GmbH,
                                             Its general partner


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director



                                        GAPCO MANAGEMENT GMBH


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                            Page 19 of 20
---------------------------                          ---------------------------

         EXHIBIT 1
         to SCHEDULE 13D

                          JOINT ACQUISITION STATEMENT

                          PURSUANT TO RULE 13D-1(k)(1)

             The undersigned acknowledge and agree that the foregoing statement
on Schedule 13D is filed on behalf of each of the undersigned and that all
subsequent amendments to this statement on Schedule 13D shall be filed on
behalf of each of the undersigned without the necessity of filing additional
joint acquisition statements. The undersigned acknowledge that each shall be
responsible for the timely filing of such amendments, and for the completeness
and accuracy of the information concerning him, her or it contained herein, but
shall not be responsible for the completeness and accuracy of the information
concerning the other entities or persons, except to the extent that he, she or
it knows or has reason to believe that such information is accurate.

Dated:  August 20, 2007

                                        GENERAL ATLANTIC LLC


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director


                                        GENERAL ATLANTIC PARTNERS 84, L.P.

                                        By:  General Atlantic LLC,
                                             Its general partner


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director


                                        GAP COINVESTMENTS III, LLC


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Member


                                        GAP COINVESTMENTS IV, LLC


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Member


---------------------------                          ---------------------------
CUSIP NO. 58733R102                                            Page 20 of 20
---------------------------                          ---------------------------


                                        GAPSTAR, LLC
                                        By:  General Atlantic LLC,
                                             Its sole member


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director


                                        GAP Coinvestments CDA, L.P.

                                        By:     General Atlantic LLC,
                                                Its general partner


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director


                                        GAPCO GMBH & CO. KG

                                        By:  GAPCO Management GmbH,
                                             Its general partner


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director


                                        GAPCO MANAGEMENT GMBH


                                        By:  /s/ Matthew Nimetz
                                             ---------------------------------
                                             Name:    Matthew Nimetz
                                             Title:   Managing Director