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RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes GLC 2021–2023technical service bulletin

Bulletin LI82.85-P-075094 · NHTSA communication 10231037 · issued Jan 17, 2023

Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
20
vehicle entries

Official summary

Complaint Traffic Light View is intermittently inoperable after updating the MBUX Multimedia System (A26/17) to E316.5. Cause Previously available MBUX software release. Remedy A new software remedy is currently available. Please update the head unit software to version E329.5 or newer.

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.