<SEC-DOCUMENT>0001437749-20-019043-index.html : 20200831
<SEC-HEADER>0001437749-20-019043.hdr.sgml : 20200831
<ACCEPTANCE-DATETIME>20200831172145
ACCESSION NUMBER:		0001437749-20-019043
CONFORMED SUBMISSION TYPE:	S-3D
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20200831
DATE AS OF CHANGE:		20200831
EFFECTIVENESS DATE:		20200831

FILER:

	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

	FILING VALUES:
		FORM TYPE:		S-3D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-248512
		FILM NUMBER:		201152586

	BUSINESS ADDRESS:	
		STREET 1:		310 LEONARD STREET NW
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49504
		BUSINESS PHONE:		616 406-3000

	MAIL ADDRESS:	
		STREET 1:		310 LEONARD STREET NW
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49504
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3D
<SEQUENCE>1
<FILENAME>mbwm20200826_s3d.htm
<DESCRIPTION>FORM S-3D
<TEXT>
Document 1 - file: mbwm20200826_s3d.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5
<SEQUENCE>2
<FILENAME>ex_201785.htm
<DESCRIPTION>EXHIBIT 5
<TEXT>
Document 2 - file: ex_201785.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>ex_202285.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 3 - file: ex_202285.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.A
<SEQUENCE>4
<FILENAME>ex_201799.htm
<DESCRIPTION>EXHIBIT 99(A)
<TEXT>
Document 4 - file: ex_201799.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>a1.jpg
<TEXT>
Document 5 - file: a1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>a2.jpg
<TEXT>
Document 6 - file: a2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>debit1.jpg
<TEXT>
Document 7 - file: debit1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>enroll1.jpg
<TEXT>
Document 8 - file: enroll1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>enroll2.jpg
<TEXT>
Document 9 - file: enroll2.jpg

</DOCUMENT>
</SEC-DOCUMENT>