Mercedes-Benz S 500 2021–2022 — technical service bulletin
Bulletin LI82.85-P-075699 · NHTSA communication 10231038 · issued Jan 10, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
7
vehicle entries
Official summary
Complaint Customer states that they are unable to actuate the rear-door roller sunblinds via the MBUX settings. Note: The roller sunblinds can still be actuated by the switch on the respective door panel Cause Root cause varies depending on model year Remedy For model year 22 and newer: â ¢ Perform software updates of the Rear Door Control Units (N69/3 and N69/4) For model year 21: â ¢ There is no technical resolution
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.