Filed electronically with the Securities and Exchange Commission on February 21, 2013

File No. 002-57139

File No. 811-02671

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D. C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933	| X |
Pre-Effective Amendment No.	|__|
Post-Effective Amendment No. 79	| X |
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940	| X |
Amendment No. 70
DWS Municipal Trust (Exact Name of Registrant as Specified in Charter)
345 Park Avenue, New York, NY  10154 (Address of Principal Executive Offices)   (Zip Code)
Registrant’s Telephone Number, including Area Code:  (617) 295-1000
John Millette Vice President and Secretary One Beacon Street Boston, MA 02108 (Name and Address of Agent for Service)

It is proposed that this filing will become effective (check appropriate box):

/X/	Immediately upon filing pursuant to paragraph (b)
/___/	On _______________ pursuant to paragraph (b)
/___/	60 days after filing pursuant to paragraph (a)(1)
/___/	On _______________pursuant to paragraph (a)(1)
/___/	75 days after filing pursuant to paragraph (a)(2)
/___/	On _______________ pursuant to paragraph (a) (2) of Rule 485
	If appropriate, check the following box:
/___/	This post-effective amendment designates a new effective date for a previously filed post-effective amendment

This filing relates solely to the following Fund, a series of the Registrant:

·   DWS Short-Term Municipal Bond Fund — Class A, Class B, Class C, Institutional Class  and Class S

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant certifies that it meets all of the requirements for effectiveness of this Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933 and has duly caused this amendment to its Registration Statement to be signed on its behalf by the undersigned, thereto duly authorized, in the City of New York and the State of New York on the 15th day of February 2013.

DWS MUNICIPAL TRUST

By:  /s/W. Douglas Beck

W. Douglas Beck*

President

Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment to its Registration Statement has been signed below by the following persons in the capacities and on the dates indicated:

SIGNATURE TITLE DATE

/s/W. Douglas Beck
W. Douglas Beck*	President	February 15, 2013
/s/Paul H. Schubert
Paul H. Schubert	Chief Financial Officer and Treasurer	February 15, 2013
/s/John W. Ballantine
John W. Ballantine*	Trustee	February 15, 2013
/s/Henry P. Becton, Jr.
Henry P. Becton, Jr.*	Trustee	February 15, 2013
/s/Dawn-Marie Driscoll
Dawn-Marie Driscoll*	Trustee	February 15, 2013
/s/Keith R. Fox
Keith R. Fox*	Trustee	February 15, 2013
/s/Paul K. Freeman
Paul K. Freeman*	Trustee	February 15, 2013
/s/Kenneth C. Froewiss
Kenneth C. Froewiss*	Chairperson and Trustee	February 15, 2013
/s/Richard J. Herring
Richard J. Herring*	Trustee	February 15, 2013
/s/William McClayton
William McClayton*	Vice Chairperson and Trustee	February 15, 2013
/s/Rebecca W. Rimel
Rebecca W. Rimel*	Trustee	February 15, 2013
/s/William N. Searcy, Jr.
William N. Searcy, Jr.*	Trustee	February 15, 2013
/s/Jean Gleason Stromberg
Jean Gleason Stromberg*	Trustee	February 15, 2013
/s/Robert H. Wadsworth
Robert H. Wadsworth*	Trustee	February 15, 2013

*By:        /s/Caroline Pearson

Caroline Pearson**

Chief Legal Officer

** Attorney-in-fact pursuant to the powers of attorney that are incorporated herein by reference to Post-Effective Amendment No. 71 to the Registration Statement as filed on September 28, 2011; and as filed on July 25, 2008 in Post-Effective Amendment No. 62 to the Registration Statement.

EXHIBIT INDEX

Index No.	Description of Exhibit
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase