Mercedes-Benz GL, ML, R Class Recall R/2022/278: The Function Of The Brake Booster Might Be Affected Due To Advanced Corrosion In The Joint…, Who Is Affected And What To Do
- Urgent
- How serious
- 30 Sep 2022
- Launched
- 6,442
- vehicles in the UK
- SRPC2240 / MBAG: Ref 4290007
- Manufacturer’s campaign code
Mercedes-Benz recalled GL, ML, R Class vehicles built between 1 March 2005 and 4 February 2013. The function of the brake booster might be affected due to advanced corrosion in the joint area of its housing. The dealer will replace brake booster in vehicles that have not passed XENTRY test and require part replacement. You won't usually pay for it.1
What’s Wrong
The function of the brake booster might be affected due to advanced corrosion in the joint area of its housing.
DVSA's Original Wording
Concern: The function of the brake booster might be affected due to advanced corrosion in the joint area of its housing. Defect: The function of the brake booster might be affected due to advanced corrosion in the joint area of its housing. Remedy: Replace brake booster in vehicles that have not passed XENTRY test and require part replacement.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: the function of the brake booster might be affected due to advanced corrosion in the joint area of its housing.
The Fix
The dealer will replace brake booster in vehicles that have not passed XENTRY test and require part replacement.
Are You Affected?
GL, ML, R Class built between 1 March 2005 and 4 February 2013 may be included. Mercedes-Benz estimates 6,442 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 SRPC2240 / MBAG: Ref 4290007 or the DVSA reference R/2022/278. 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 |
|---|---|---|---|
| C Class, CLS, E Class, GL and 6 moreOn affected vehicles the aluminium bolts of the steering gear could corrode and break due to the intrusion of moisture | Urgent | R/2023/023 | |
| GLE, MLOn affected vehicles water might accumulate in the spare wheel well. The water could briefly come into contact with the fuel pump control unit impairing the fuel supply to the engine | Urgent | R/2023/021 | |
| GL, ML, R ClassThe function of the brake booster might be affected due to advanced corrosion in the joint area of its housing | Urgent | R/2022/279 | |
| GL, ML, R ClassThe function of the brake booster might be affected due to advanced corrosion in the joint area of its housing | Urgent | R/2022/140 | |
| GL, ML, R ClassThe function of the brake booster might be affected due to advanced corrosion in the joint area of its housing | Urgent | R/2022/137 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2022/271 on 28 Sep 2022, for the rear view camera could display frozen images due to a defect in a memory chip. The one launched after it was R/2022/279 on 30 Sep 2022, for the function of the brake booster might be affected due to advanced corrosion in the joint…. You can also see every Mercedes-Benz recall, all recalls launched in 2022 and brake recalls across every make.
Source: DVSA recall R/2022/278, launched 30 September 2022. 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.