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June 16, 2022 Service bulletin

Complaint Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times)...

Mercedes-Benz technical service bulletin LI77.21-P-074971 for 2022 Mercedes-Benz C300, 2022 Mercedes-Benz EQS 450 and 2022 Mercedes-Benz EQS 580 and others.

Bulletin number
LI77.21-P-074971
Component
Structure
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

Owners of these vehicles have filed 5 complaints in the body category.

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