Mercedes-Benz recall: SRPC2501 – Processor Starter/Generator
- What's wrong
- Mercedes-Benz has determined that on certain AMG GT Coupe (192 platform)S-Class (223 platform) SL (232 platform) GLC (254 platform) and AMG GT 4-doorsCoupe (290 platform) vehicles with hybrid powertrain the processor of the control unit of the high-voltage starter generator might experience sporadic overload.
- What to do
- Contact a Mercedes-Benz dealer to book the free repair. As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will update the software of the high-voltage starter generator on the affected vehicles.
What’s wrong
Mercedes-Benz has determined that on certain AMG GT Coupe (192 platform)S-Class (223 platform) SL (232 platform) GLC (254 platform) and AMG GT 4-doorsCoupe (290 platform) vehicles with hybrid powertrain the processor of the control unit of the high-voltage starter generator might experience sporadic overload.
The fix
As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will update the software of the high-voltage starter generator on the affected vehicles.
Vehicles affected
| Model | Built from | Built to | Vehicles |
|---|---|---|---|
| Amg Gt | 16 Feb 2024 | 21 Nov 2024 | 12 |
| Amg Gt | 4 Nov 2021 | 29 Jan 2025 | 39 |
| S Class | 5 Sep 2022 | 23 Jan 2025 | 46 |
| SL | 3 Nov 2022 | 25 Jan 2025 | 4 |
| GLC | 31 May 2023 | 22 Nov 2024 | 134 |
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 3 April 2025. This page summarises an official notice. Details can change – always follow the official notice.