Mercedes-Benz GL, ML, R Class Recall R/2022/137: 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
- 24 May 2022
- Launched
- 31,666
- vehicles in the UK
- SRPC2222
- 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 check the brake booster on the affected vehicles and: depending on the result of this inspection, replace it where necessary. 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: Check the brake booster on the affected vehicles and - depending on the result of this inspection - replace it where necessary.
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 check the brake booster on the affected vehicles and: depending on the result of this inspection, replace it where necessary.
Are You Affected?
GL, ML, R Class built between 1 March 2005 and 4 February 2013 may be included. Mercedes-Benz estimates 31,666 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 SRPC2222 or the DVSA reference R/2022/137. 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/2022/278 | |
| 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 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2022/133 on 24 May 2022, for the bolting of the 48V ground connection under the passenger seat might be fastened with…. The one launched after it was R/2022/140 on 24 May 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/2022/137, launched 24 May 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.