Mercedes-Benz AMG EQS 2022 — technical service bulletin
Bulletin LI77.21-P-074971 · NHTSA communication 10215000 · issued Jun 16, 2022
Technical service bulletin
communication type
Structure
component
2022
model years
5
vehicle entries
Official summary
Complaint Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times) during closing process without an obstruction (triggering of Pinch Protection). Cause Under investigation. Please open a PTSS/TIPS case for with a quick test and CU log of the Panoramic Roof TSSR223. Remedy Do NOT perform a teach-in of the roof. Please perform the following steps: 1. Create a PTSS/TIPS case 2. Create control unit log of panoramic roof control unit (TSSR223, A98, PSD) and attach to PTSS/TIPS case
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.