Mercedes-Benz CL 2010–2011 — technical service bulletin
Bulletin LI-27-50 · NHTSA communication 10038206 · issued Jan 10, 2014
Technical service bulletin
communication type
Power Train
component
2010–2011
model years
8
vehicle entries
Official 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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.