HomeLI54.71-P-080653 · MERCEDES-BENZ
MERCEDES-BENZ

LI54.71-P-080653

Manufacturer communications

Publication date
2026-05-28
Received by NHTSA
2026-05-28
NHTSA record numbers
11032968

Manufacturer summary

Original wording in English

Complaint After updating MB.OS to 1.3.7, every key cycle displays consistent instrument cluster message "Driver Assistance System Functions Limited Please Drive with Caution See Operator's Manual". Note: Verify this is the exact message, there are other variants of white ADAS cluster messages. The driver assistance control unit N62/5 Processor will also have an active and stored DTC U142791 - "Implausible data were received from the control unit 'Head unit'. The parameter is outside the permissible range." Cause Under Determination. Remedy Check for new MB.OS update on May 29, 2026 from 1.3.7 to 1.3.10. If available, update and bus sleep (30 minutes). Re-check vehicle after bus sleep for presence of cluster message. If message has cleared and concern is resolved, release the vehicle. If not, open a TIPS case to Body, Chassis, and Entertainment inbox.

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

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MakeModelModel year
Mercedes-BenzCLA 250+ (EV)2026
Mercedes-BenzCLA 350 4MATIC (EV)2026

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