KNOWN FAULTS · Mercedes-Benz
Known faults for the Mercedes-Benz CLA (C178).
2025–2026 · Hybrid / Electric
Sources are not verified in real time and no entry confirms that your car is affected.
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1 known fault with sources
Engines: CLA 200 / 220 Hybrid (Hybrid) · Eléctrico (Electric)
Applies if: On the electric car the driver-assistance software campaign applies; confirm by VIN.
48 V wiring and driver-assistance software on the new CLA (C178)Electrical and electronic systems
- Engine / equipment
- 2025 Mercedes CLA (hybrid and electric)
- Period mentioned
- 2025
- Symptoms
- On hybrids, risk of overheating, fire or electric shock from the 48 V wiring; assistance functions that switch off without warning the driver properly.
- Possible cause described
- Mercedes recalled 1,682 CLA hybrids built from 17/11 to 19/12/2025 for the 48 V wiring (poorly protected contacts). In addition, the KBA flagged 3,197 CLAs on which some assistance functions can switch off without enough warning: new software is installed.
- Check for the garage
- Check by VIN at the dealer that the campaign has been done.
- Cost cited in the source
- Free under the recall.A rough figure from the original database, not an up-to-date quote.
Sources from the original database
View full entryEngines for this model
- CLA 200 / 220 HybridHybrid
- EléctricoElectric