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RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes-Benz AMG S 63 E 2021–2026 — technical service bulletin

Bulletin LI91.16-P-073576 · NHTSA communication 11032885 · issued May 20, 2026

Technical service bulletin
communication type
Seats
component
2021–2026
model years
34
vehicle entries

Official summary

Complaint • Driver's seat and/or front passenger seat cannot be adjusted. • Not possible to adjust front seats to memory preset. • Head restraints of front seats cannot be adjusted. • Cannot move to chauffeur mode/reclining seat position. Fault identification: → Create log of seat control unit (both conditions must be met) 1. Fault B1F7E54 "Head restraint inclination adjustment not normalized. No calibration." stored in fault memory. 2. Value "0C" present in seat control unit log service 0X220239 (see attachment "seat control unit log"). If fault B1FBB15 "Malfunction in 'Head restraint inclina

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.