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Service bulletin TSB-42-10-109

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10030929
Published by NHTSA2009-12-23
Manufacturer's numberTSB-42-10-109
Manufacturer's date2009-06-15
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:WHEEL CYLINDERS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:SHOES/LININGS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:DRUM; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

NHTSA's summary

MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. ONCE THE CORROSION PROTECTION IS DAMAGED OR REMOVED THE BRAKE COMPONENTS AND OR HARDWARE CAN BEGIN TO CORRODE. INCLUDE ALL MODELS AND MODEL YEARS. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Brake caliper, Brake drums and shoes, Brake hoses and lines, Brake master cylinder, Brake pads, Brake rotor

Vehicles listed
MERCEDES BENZ 1241985 to 1990
MERCEDES BENZ 190E1984 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES BENZ ML4301990
MERCEDES BENZ ML5002002 to 2009
MERCEDES BENZ ML55
MERCEDES BENZ ML552001 to 2002
MERCEDES BENZ ML5502005 to 2009
MERCEDES BENZ ML632005 to 2009
MERCEDES BENZ R2008 to 2010
MERCEDES BENZ R CLASS2006
MERCEDES BENZ R-CLASS2007
MERCEDES BENZ R2512007
MERCEDES BENZ R3202005 to 2009
MERCEDES BENZ R5002005 to 2009
MERCEDES BENZ R632005 to 2009
MERCEDES BENZ S2007 to 2010
MERCEDES BENZ S CLASS
MERCEDES BENZ S CLASS1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
MERCEDES BENZ S CLASS2009
MERCEDES BENZ S SERIES1990 to 1991
MERCEDES BENZ S SERIES1995
MERCEDES BENZ S2202002 to 2006
MERCEDES BENZ S2212007
MERCEDES BENZ S3201997
MERCEDES BENZ S3502005 to 2007
MERCEDES BENZ S4201999
MERCEDES BENZ S430
MERCEDES BENZ S4302001
MERCEDES BENZ S4302003 to 2007
MERCEDES BENZ S500
MERCEDES BENZ S5002002
MERCEDES BENZ S5002005 to 2007
MERCEDES BENZ S55
MERCEDES BENZ S552004 to 2007
MERCEDES BENZ S55 AMG2001
MERCEDES BENZ S5502005 to 2008
MERCEDES BENZ S6002001 to 2008
MERCEDES BENZ S632007 to 2009
MERCEDES BENZ S652005 to 2008
MERCEDES BENZ SL1990 to 1995
MERCEDES BENZ SL2007 to 2010
MERCEDES BENZ SL CLASS1996, 1997, 1998, 1999
MERCEDES BENZ SL CLASS2001, 2002, 2003, 2004, 2005, 2006
MERCEDES BENZ SL CLASS2009
MERCEDES BENZ SL SERIES1993
MERCEDES BENZ SL2302003 to 2007
MERCEDES BENZ SL3201997
MERCEDES BENZ SL500
MERCEDES BENZ SL5001992 to 2001
MERCEDES BENZ SL5002003 to 2009
MERCEDES BENZ SL552003 to 2009
MERCEDES BENZ SL5502003 to 2009
MERCEDES BENZ SL6001997
MERCEDES BENZ SL6002003 to 2009
MERCEDES BENZ SL63 AMG2007 to 2009
MERCEDES BENZ SL652003 to 2009
MERCEDES BENZ SLK
MERCEDES BENZ SLK1998 to 2010
MERCEDES BENZ SLK230
MERCEDES BENZ SLK2301998 to 2001
MERCEDES BENZ SLK2302004 to 2005
MERCEDES BENZ SLK2802005 to 2009
MERCEDES BENZ SLK320
MERCEDES BENZ SLK3202004 to 2005
MERCEDES BENZ SLK3502005 to 2009
MERCEDES BENZ SLK552005 to 2009
MERCEDES BENZ SLR2004 to 2009
MERCEDES BENZ SLR MCLAREN2005, 2006, 2007
MERCEDES-BENZ R3502005 to 2009

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
2020322005-05-04. Service bulletin. LOCATION OF COOLANT HOSE ON CROSS MEMBER. MERCEDES-BENZ MODEL 199. MODEL YEAR UNKNOWN. *TT ( MODEL SLR 2005-2008) UPDATED 9/9/08. *PE