Mercedes-Benz A 220 2019–2022 — technical service bulletin
Bulletin LI72.12-P-074542 · NHTSA communication 10209881 · issued Mar 10, 2022
Technical service bulletin
communication type
Structure
component
2019–2022
model years
6
vehicle entries
Official summary
Complaint The seal on the B-pillar trim of the rear doors may be peeling on upper area Cause The part may exhibit this behavior under normal use. Remedy Replace B-pillar trim through optimized parts.
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.