Mercedes-Benz C300 2005–2010 — technical service bulletin
Bulletin P-047117 · NHTSA communication 10032648 · issued Jul 7, 2009
Technical service bulletin
communication type
Suspension
component
2005–2010
model years
7
vehicle entries
Official summary
Daimler ag: grinding noises from area of front axle-wheel bearing corroded. Corrosion spreading under wheel hub sealing ring. Dirt and water are washed in front of the sealing ring of the wheel hub via the rpm sensor bore in the steering knuckle or through corresponding gaps between the anchor plate and steering knuckle. *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.