Mercedes-Benz AMG EQS 53 2022 — technical service bulletin
Bulletin LI88.79-P-074287 · NHTSA communication 10207203 · issued Jan 27, 2022
Technical service bulletin
communication type
Electrical System
component
2022
model years
7
vehicle entries
Official summary
Complaint Adjustment of the outside mirrors using the driver's door switch group may not be possible or it is not possible to select the left or right outside mirror. Cause Possible software update needed to the switch group, "DSM_WM_D223 - S20/1 - Switch group 'power window assembly and outside mirror adjustment, driver's side'." Remedy Update to the latest software version for DSM_WM_D223 - S20/1 - Switch group 'power window assembly and outside mirror adjustment, driver's side'. If software is fully updated, further diagnosis is required.
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.