Mercedes-Benz C-class recall: Diodes on the rectifier bridge of the alternator might fail
Yes – some of these vehicles are being recalled
- What's wrong
- Diodes on the rectifier bridge of the alternator might fail.
- What to do
- Contact a Mercedes-Benz dealer to book the free repair. Update the engine control unit software with an optimised alternator control strategy on the affected vehicles.
Source: Driver and Vehicle Standards Agency (DVSA)
Check your reg on DVSA ↗
What’s wrong
Diodes on the rectifier bridge of the alternator might fail.
The fix
Update the engine control unit software with an optimised alternator control strategy on the affected vehicles.
Vehicles affected
| Model | Built from | Built to | Vehicles |
|---|---|---|---|
| C-class | 20 Mar 2014 | 28 Feb 2018 | 18,050 |
How to check your vehicle
Use the official DVSA checker with your registration number to see if your exact vehicle is included. If it is, the manufacturer should have written to the registered keeper. The repair is free, even if you bought the vehicle second-hand.
Updated 27 July 2021. This page summarises an official notice. Details can change – always follow the official notice.