Affected Component: ELECTRICAL SYSTEM

Date Published
JAN 09, 2023
NHTSA TSB #
10231039
TSB Document
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