Mercedes-Benz AMG C43 2022–2023 — technical service bulletin
Bulletin LI77.21-P-074971 · NHTSA communication 10240164 · issued Jul 25, 2023
Technical service bulletin
communication type
Structure
component
2022–2023
model years
18
vehicle entries
Official summary
Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, multiple times) during closing process without entrapment event. It is not possible to save the relearning process for force progression after each actuation. A, e.g. mechanical sluggishness caused by aging cannot be compensated for here. The teach-in process does not properly save after each actuation. Note: Conditions such as slow operation of the sunroof due to aging of mechanical components cannot be compensated for during this process. Perform SCN Coding of panoramic roof control unit (PSD, A98, TSSR223).
Vehicles covered
- 2022 Mercedes-Benz AMG C43
- 2023 Mercedes-Benz AMG C43
- 2022 Mercedes-Benz AMG C63 S
- 2023 Mercedes-Benz AMG C63 S
- 2023 Mercedes-Benz AMG EQE
- 2023 Mercedes-Benz AMG EQS
- 2023 Mercedes-Benz AMG EQS 53
- 2022 Mercedes-Benz C 300
- 2023 Mercedes-Benz C 300
- 2023 Mercedes-Benz EQE 350+
- 2023 Mercedes-Benz EQE350
- 2023 Mercedes-Benz EQE 350 4MATIC
- 2023 Mercedes-Benz EQE 500
- 2023 Mercedes-Benz EQE500
- 2023 Mercedes-Benz EQS 450+
- 2023 Mercedes-Benz EQS450+
- 2023 Mercedes-Benz EQS 580
- 2023 Mercedes-Benz EQS580
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.