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Service bulletin LI-33-20

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 id10036974
Published by NHTSA2011-04-25
Manufacturer's numberLI-33-20
Manufacturer's date2013-02-28
ReplacesLI33-20-P047117A
NHTSA componentWHEELS:HUB

NHTSA's summary

MERCEDES-BENZ: WATER AND DIRT CAN ENTER THE WHEEL HUB CAUSING A GRINDING NOISE OF THE FRONT AXLE AND CORROSION OF THE WHEEL BEARING. *RM UPDATED 4/29/13. *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

Wheels, Wheel bearing

Vehicles listed
MERCEDES BENZ C3502008
MERCEDES BENZ C632010
MERCEDES-BENZ C3002010
MERCEDES-BENZ GLK3502010

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