-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 LAgCc1YeuidCyhBoPITqT64RQpeH2x5l+q115MISQUl5UdsjV2Wz+NscMel2wcrS
 N4DzxIh+iQb9LNEZP9Tg2A==

<SEC-DOCUMENT>0001209191-03-031669.txt : 20031121
<SEC-HEADER>0001209191-03-031669.hdr.sgml : 20031121
<ACCEPTANCE-DATETIME>20031121153842
ACCESSION NUMBER:		0001209191-03-031669
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031120
FILED AS OF DATE:		20031121

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERCANTILE BANK CORP
		CENTRAL INDEX KEY:			0001042729
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				383360865
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5650 BYRON CENTER AVENUE S. W.
		CITY:			WYOMING
		STATE:			MI
		ZIP:			49509
		BUSINESS PHONE:		616 406-3777

	MAIL ADDRESS:	
		STREET 1:		5650 BYRON CENTER AVENUE S. W.
		CITY:			WYOMING
		STATE:			MI
		ZIP:			49509

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CLARK EDWARD J
		CENTRAL INDEX KEY:			0001208503

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26719
		FILM NUMBER:		031018110

	BUSINESS ADDRESS:	
		STREET 1:		DICKENSON WRIGHT PLLC
		STREET 2:		500 WOODWARD, #4000
		CITY:			DETROIT
		STATE:			MI
		ZIP:			48226
		BUSINESS PHONE:		616-975-7746

	MAIL ADDRESS:	
		STREET 1:		C/O AMERICAN SEATING CO
		STREET 2:		401 AMERICAN SEATING CENTER N.W.
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49504-4499
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-11-20</periodOfReport><notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0001042729</issuerCik>
        <issuerName>MERCANTILE BANK CORP</issuerName>
        <issuerTradingSymbol>MBWM</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001208503</rptOwnerCik>
            <rptOwnerName>CLARK EDWARD J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>401 AMERICAN SEATING CENTER</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GRAND RAPIDS</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>49504</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-11-20</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>5</transactionFormType><transactionCode>G</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value>E</value></transactionTimeliness><transactionAmounts><transactionShares><value>200.0000</value></transactionShares><transactionPricePerShare><footnoteId id="F1" /></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>6280.0000</value><footnoteId id="F2" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNat
ure><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-11-20</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>5</transactionFormType><transactionCode>G</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value>E</value></transactionTimeliness><transactionAmounts><transactionShares><value>50.0000</value></transactionShares><transactionPricePerShare><footnoteId id="F1" /></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>6230.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ow
nershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">No price is entered as this is a gift transaction.</footnote><footnote id="F2">The share amount reflects a one share decrease to reconcile the amount owned with Mr. Clark's records.  </footnote></footnotes><remarks></remarks><ownerSignature><signatureName>Jerome M. Schwartz
Attorney-in-fact</signatureName><signatureDate>2003-11-21</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----