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Service bulletin SB-2009090005

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 id10034004
Published by NHTSA2010-10-08
Manufacturer's numberSB-2009090005
Manufacturer's date2009-10-01
NHTSA componentELECTRICAL SYSTEM:HORN

NHTSA's summary

MERCEDES BENZ: CHECK HORN CONTACT, REPAIR IF NECESSARY. THE STEERING WHEEL MAY NOT HAVE BEEN PRODUCED TO SPECIFICATION. AS A RESULT, THE HORN MAY NOT ACTUATE AT ALL CORNERS OF THE HORN PAD. MODELS S600, S550, S65AMG, S63AMG, BI TURBO AND 4 MATIC. *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

Electrical system

Vehicles listed
MERCEDES-BENZ S5502010
MERCEDES-BENZ S6002010
MERCEDES-BENZ S632010
MERCEDES-BENZ S652010

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