FORM 5 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Form 3 Holdings Reported Form 4 Transactions Reported

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * CASSARD DAVID M 2. Issuer Name and Ticker or Trading Symbol MERCANTILE BANK CORP [MBWM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) WATERS CORPORATION, WATERS BUILDING, 161 OTTAWA NW, SUITE 104 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year) 12/31/2004 (Street) GRAND RAPIDS, MI 49503-2799 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Reporting (check applicable line) _X_ Form Filed by One Reporting Person ___ Form Filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Amount (A) or (D) Price Common Stock 07/20/2004   G 524 (1) A $ (2) 0 I As trustee of a family trust Common Stock 08/06/2004   S4 178 (1) D $ 32.541 0 I As trustee of a family trust Common Stock 08/06/2004   S4 346 (1) D $ 32.603 0 I As trustee of a family trust Common Stock             8,146.327 (4) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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SEC 2270 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
CASSARD DAVID M WATERS CORPORATION, WATERS BUILDING 161 OTTAWA NW, SUITE 104 GRAND RAPIDS, MI 49503-2799	  X	Â	Â	Â

Signatures

/s/Jerome M. Schwartz Attorney-in-fact		02/02/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The reporting person disclaims beneficial ownership of the issuer's common stock held by the trust except to the extent of his pecuniary interest in the stock.
(2)	The reporting person became the indirect beneficial owner of these shares as a result of becoming the successor trustee of a trust upon the death of the prior trustee.
(3)	These shares were sold by the reporting person as successor trustee of a trust following the death of the prior sole trustee and primary beneficiary of the trust, and the proceeds were distributed to the trust beneficiaries.
(4)	Includes an aggregate of 95.848 shares acquired on 12/10/2003, 3/10/2004, 6/10/2004, 9/10/2004 and 12/10/2004 by reinvesting cash dividends under the issuer's dividend reinvestment plan, and 385 shares acquired pursuant to the issuer's 5% stock dividend paid May 3, 2004.

Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure.

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