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.
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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 communications
1Original wording in English
MERCEDES-BENZ
Complaint Customer reports that a side window will not close using the automatic (one‐touch) function, or the window reverses direction while closing. • Condition may occur on one or more doors • Fault code B25A3F0 may be stored in the affected door control unit • Window normalization may be lost Cause System error in the power …
Check vehicle applicability
4A 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 |
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.