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RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes EQA 2016–2025technical service bulletin

Bulletin LI54.71-P-078802 · NHTSA communication 11015813 · issued Mar 18, 2025

Technical service bulletin
communication type
Back Over Prevention
component
2016–2025
model years
60
vehicle entries

Official summary

Complaint MBUX headunit display with red text box "System Inoperative". ONLY for vehicles with SA code (549+21U) or (549+U19). Cause Under analysis. Remedy For chassis 118, 167, 177, 213, 238, 243, 247, 253, and 293 use Xentry to update headunit (A26/17). Target software number is 247 904 6600 (E905.4). If vehicle fits all criteria and target software is not available via Xentry, please open an XSS ticket.

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.