Mercedes-Benz C220 1994–2015 — technical service bulletin
Bulletin LI91.10-P-054769 · NHTSA communication 10135743 · issued Jan 10, 2017
Technical service bulletin
communication type
Seats
component
1994–2015
model years
4
vehicle entries
Official summary
Driver and front passenger seats make cracking noise when cornering
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.