Mercedes-Benz CLA Recall R/2025/556: Variant Of 48V Wiring Harness, Who Is Affected And What To Do
- Urgent
- How serious
- 5 Jan 2026
- Launched
- 82
- vehicles in the UK
- SRPC2523 / 1595005
- Manufacturer’s campaign code
Mercedes-Benz recalled CLA vehicles built between 25 November 2025 and 17 December 2025. Mercedes-Benz AG has determined that on certain CLA (178 platform) vehicles with 4-cylinder gasoline engine the 48V wiring harness might not meet specifications. The recall notice describes the fix as: as a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will check the wiring harness on the affected vehicles and rework it if necessary. You won't usually pay for it.1
What’s Wrong
Mercedes-Benz AG has determined that on certain CLA (178 platform) vehicles with 4-cylinder gasoline engine the 48V wiring harness might not meet specifications.
DVSA's Original Wording
Concern: SRPC2523 - Variant of 48V Wiring Harness Defect: Mercedes-Benz AG has determined that on certain CLA (178 platform) vehicles with 4-cylinder gasoline engine the 48V wiring harness might not meet specifications. Remedy: As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will check the wiring harness on the affected vehicles and rework it if necessary.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: variant of 48V wiring harness.
The Fix
The recall notice describes the fix as: as a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will check the wiring harness on the affected vehicles and rework it if necessary.
Are You Affected?
CLA built between 25 November 2025 and 17 December 2025 may be included. Mercedes-Benz estimates 82 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 SRPC2523 / 1595005 or the DVSA reference R/2025/556. 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 |
|---|---|---|---|
| CLA, GLBElectric drive unit power electronics | Low | R/2026/315 | |
| CLA, GLBSoftware version of communication module | Low | R/2026/203 | |
| CLABolting of front seats and belt buckles | Urgent | R/2025/533 | |
| CLAComposition of window-airbag fabric | Urgent | R/2025/462 | |
| CLASoftware of driving assistance system | Low | R/2025/461 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2025/428 on 19 Dec 2025, for weld seam on rear axle brake mounting flange. The one launched after it was R/2025/533 on 6 Jan 2026, for bolting of front seats and belt buckles. You can also see every Mercedes-Benz recall, all recalls launched in 2026 and high-voltage battery recalls across every make.
Source: DVSA recall R/2025/556, launched 5 January 2026. 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.