Mercedes-Benz C300 2008–2010 — technical service bulletin
Bulletin LI-33-20 · NHTSA communication 10036974 · issued Feb 28, 2013
Technical service bulletin
communication type
Wheels
component
2008–2010
model years
4
vehicle entries
Official 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
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.