Mercedes-Benz AMG GT, GLC, S Class And 1 More Recall R/2025/124: Processor Starter/Generator, Who Is Affected And What To Do
- Urgent
- How serious
- 3 Apr 2025
- Launched
- 235
- vehicles in the UK
- SRPC2501 / 5496242
- Manufacturer’s campaign code
Mercedes-Benz recalled AMG GT, GLC, S Class and 1 more vehicles built between 4 November 2021 and 29 January 2025. 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 recall notice describes the fix as: 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. You won't usually pay for it.1
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.
DVSA's Original Wording
Concern: SRPC2501 - Processor Starter/Generator Defect: 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. Remedy: 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.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: processor Starter/Generator.
The Fix
The recall notice describes the fix as: 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. The fix is a software update, which usually takes under an hour at the dealer.
Are You Affected?
AMG GT, GLC, S Class and 1 more built between 4 November 2021 and 29 January 2025 may be included. Mercedes-Benz estimates 235 vehicles in the UK. Enter your registration to check, then confirm by VIN with Mercedes-Benz, because not every car in the date range may be included.
Which Car Is It?
Choose the make and model so we can match recalls to your car.
What To Do Now
- Check your car by registration above, then by VIN with Mercedes-Benz.
- Book with any franchised Mercedes-Benz dealer, quoting the campaign code SRPC2501 / 5496242 or the DVSA reference R/2025/124. See how to get a Mercedes-Benz recall fixed.
- Follow the letter's instructions until the repair is done. See can you drive a car with a recall?.
Related Recalls
| Launched | Vehicle and fault | Severity | Reference |
|---|---|---|---|
| CLS, E Class, GLCDrive shaft joint | Low | R/2026/148 | |
| S ClassWindshield bonding | Low | R/2026/191 | |
| C Class, EQE, GLCBolting of steering coupling | Urgent | R/2025/333 | |
| GLCMounting of Multi-Purpose camera & interior mirror | Book soon | R/2025/216 | |
| C Class, CLS, E Class, GLCMisfire detection M264 | Low | R/2024/474 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2025/083 on 4 Mar 2025, for manufacturing of automatic transmission AMG SPEEDSHIFT. The one launched after it was R/2025/079 on 11 Apr 2025, for check axle drive module of rear axle. You can also see every Mercedes-Benz recall, all recalls launched in 2025 and high-voltage battery recalls across every make.
Source: DVSA recall R/2025/124, launched 3 April 2025. Data updated 15 October 2026. How we grade urgency.
Sources
- The Code does not itself say repairs are free. GOV.UK guidance says "You will not usually have to pay for any repairs or parts under a safety recall." gov.uk Checked 15 Oct 2026.