Mercedes-Benz AMG EQS 2022–2023 — technical service bulletin
Bulletin LI82.90-P-075727 · NHTSA communication 10231039 · issued Jan 9, 2023
Technical service bulletin
communication type
Electrical System
component
2022–2023
model years
8
vehicle entries
Official summary
Complaint The display in the Lower Multifunction Steering Wheel Button Group (A74/2) may be completely or partially inoperable (see attached picture). Note: There is no loss of vehicle functionality due to this complaint Cause The complaint may occur when a new user profile is created in MBUX. Remedy Immediate measure: Perform a user data reset of the MBUX Multimedia System (settings -> system -> reset). Long-term measure: Updated AMG Drive Unit (N145/1) software is under development. NOTE: Do not replace parts for this complaint
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.