Mercedes-Benz C 300 2022 — technical service bulletin
Bulletin LI91.10-P-074586 · NHTSA communication 10210930 · issued Apr 1, 2022
Technical service bulletin
communication type
Seats
component
2022
model years
1
vehicle entries
Official summary
Complaint Noise from the front seats between seat-back lining and seat cover Cause Possible abrasion on seat cover Remedy Do NOT lubricate affected point or modify the original part in any way. Please create a PTSS case and replace seat-back lining and seat cover. Please do not dispose of the covers as they will be called in for analysis.
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.