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September 25, 2026 Service bulletin

174 with MB.OS 2.1.3 ‑ Driver Assistance System Limited in Instrument Cluster and Does Not Self‑Extinguish

Mercedes-Benz technical service bulletin LI54.71-P-080956 for 2026-2027 Mercedes-Benz Cla 250+ (EV) and 2026-2027 Mercedes-Benz Cla 350 4matic (EV).

Bulletin number
LI54.71-P-080956
Component
Electrical system
Summary
Complaint 174 with MB.OS 2.1.3 ‑ Driver Assistance System Limited in Instrument Cluster and Does Not Self‑Extinguish. When vehicle is shut off, instrument cluster message appears for "Driver Assistance Systems Available". Cause Under Determination. Remedy Perform initial startup of the head unit (A26/17) and the intelligent drive controller (N62/5).

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