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Service bulletin LI-14-20

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 id10038207
Published by NHTSA2011-06-11
Manufacturer's numberLI-14-20
Manufacturer's date2011-02-08
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

MERCEDES-BENZ: THE TRANSMISSION SWITCHES TO LIMP-HOME MODE WHILE DRIVING. GEARSHIFTS ARE NO LONGER POSSIBLE. THERE ARE A FEW POSSIBLE CAUSES. *RM

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

Engine, Exhaust and emissions, EGR valve

Vehicles listed
MERCEDES BENZ MERCEDES BENZ

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