WenmarOpen by Wenmar Pro

Service bulletin LI-27-50

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 id10038206
Published by NHTSA2011-06-11
Manufacturer's numberLI-27-50
Manufacturer's date2014-01-10
ReplacesLI27-50-P049710B
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

MERCEDES-BENZ: THE TRANSMISSION SWITCHES TO LIMP-HOME MODE WHILE DRIVING. GEARSHIFTS ARE NO LONGER POSSIBLE. THIS IS CAUSED BY A FAULT WITH THE RPM SENSOR. *RM UPDATED 9/20/11. *PE UPDATED 5/9/14. *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

Transmission and driveline, Automatic transmission, Manual transmission

Vehicles listed
MERCEDES BENZ C CLASS
MERCEDES BENZ CL2010
MERCEDES BENZ CLK
MERCEDES BENZ CLS2010
MERCEDES BENZ E CLASS
MERCEDES BENZ G2010
MERCEDES BENZ GL2011
MERCEDES BENZ M CLASS
MERCEDES BENZ MERCEDES BENZ
MERCEDES BENZ MERCEDES BENZ TRUCK
MERCEDES BENZ R2011
MERCEDES BENZ S CLASS
MERCEDES BENZ SL2011
MERCEDES BENZ SLK
MERCEDES-BENZ G5002010
MERCEDES-BENZ GLK3502010

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