Mercedes-Benz C230 2001–2004 — technical service bulletin
Bulletin SB-2009100001 · NHTSA communication 10033116 · issued Apr 1, 2011
Technical service bulletin
communication type
Electrical System
component
2001–2004
model years
11
vehicle entries
Official summary
Mercedes: replace the camshaft adjustment solenoid(s) and install adapter harness(es). Due to the settling properties of the seal of the camshaft adjustment solenoid specification, oil may enter the engine wiring harness(es) through the electrical connection of the camshaft adjustment solenoid from capillary action. Replace the camshaft adjustment solenoid(s) and install an additional adapter connector harness(es) at the next workshop visit. *pe updated 6/28/11. *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.