Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes-Benz AMG S63 2021–2023technical service bulletin

Bulletin LI00.20-P-075495 · NHTSA communication 10238427 · issued Jun 5, 2023

Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
15
vehicle entries

Official summary

Complaint 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B cannot be carried out. 2. Service confirmation is not possible because "Perform vehicle handover" is displayed. This cannot be carried out. Cause Routine change in software in instrument cluster N133/1. Vehicle handover has not taken place. Remedy Manually commission already-installed instrument cluster control unit N133/1 and then perform special procedure to re-initialize ASSYST data in powertrain control unit N127.

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.