Mercedes-Benz AMG EQS 2022–2023 — technical service bulletin
Bulletin LI82.62-P-075233 · NHTSA communication 10222482 · issued Sep 30, 2022
Technical service bulletin
communication type
Electrical System
component
2022–2023
model years
4
vehicle entries
Official summary
Complaint No sound from any speakers, regardless of audio source. Cause Incompatible software module (A2979033902) installed on Sound Amp (N40/3). Remedy Perform a software update of the Sound Amp (N40/3) to flash the correct software module (A2979031001) Note for model series 295 only: If the necessary software is not found through XENTRY Diagnosis then open a Diagnosis XSF ticket to request an FSF
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.