Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
U142791"Implausible data were received from the control unit 'Head unit'
Manufacturer communications
4Original wording in English
MERCEDES-BENZ
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. To verify MB.OS number, it can be f…
MERCEDES-BENZ
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. To verify MB.OS number, it can be f…
MERCEDES-BENZ
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. To verify MB.OS number, it can be f…
MERCEDES-BENZ
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 …
Check vehicle applicability
6A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Mercedes-Benz | CLA 250 ↗ | 2026 |
| Mercedes-Benz | CLA 250 4MATIC ↗ | 2026 |
| Mercedes-Benz | CLA 250+ (EV) ↗ | 2027 |
| Mercedes-Benz | CLA 250+ (EV) ↗ | 2026 |
| Mercedes-Benz | CLA 350 4MATIC (EV) ↗ | 2027 |
| Mercedes-Benz | CLA 350 4MATIC (EV) ↗ | 2026 |
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.