Mercedes-Benz AMG GLC43 2016–2022 — technical service bulletin

Bulletin LI72.00-P-075481 · NHTSA communication 10225820 · issued Oct 24, 2022

Technical service bulletin

communication type

Structure

component

2016–2022

model years

vehicle entries

Official summary

Complaint Staining on door trim strips and top and bottom trim elements on rear side windows Cause Damage to protective coating of door beltline trim strips, door upper trim strips and side window trim element due to strong alkaline detergent in car washes. Remedy 1. Check if the complaint cannot be rectified by polishing the trim bars with the polish. 2. If the complaint cannot be rectified, replace the door beltline trim bars, door upper trim bars and rear side window with trim element with optimized protective coating.

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.