Mercedes-Benz G Class Recall R/2020/199: The Control Unit Of The Differential Locking Module May Not Meet Specification, Who Is Affected And What To Do
- Low
- How serious
- 3 Aug 2020
- Launched
- 904
- vehicles in the UK
- SRPC2007
- Manufacturer’s campaign code
Mercedes-Benz recalled G Class vehicles built between 9 May 2018 and 5 September 2019. The control unit of the differential locking module might not meet the specification. The dealer will check the differential locking modules on the affected vehicles and exchange them if necessary. You won't usually pay for it.1
What’s Wrong
The control unit of the differential locking module might not meet the specification.
DVSA's Original Wording
Concern: THE CONTROL UNIT OF THE DIFFERENTIAL LOCKING MODULE MAY NOT MEET SPECIFICATION Defect: The control unit of the differential locking module might not meet the specification. Remedy: Check the differential locking modules on the affected vehicles and exchange them if necessary.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: the control unit of the differential locking module may not meet specification.
The Fix
The dealer will check the differential locking modules on the affected vehicles and exchange them if necessary.
Are You Affected?
G Class built between 9 May 2018 and 5 September 2019 may be included. Mercedes-Benz estimates 904 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 SRPC2007 or the DVSA reference R/2020/199. 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 |
|---|---|---|---|
| G ClassWheel bolt variant | Book soon | R/2026/140 | |
| G ClassManufacturing of automatic transmission AMG SPEEDSHIFT | Low | R/2025/083 | |
| G Class, G Class 4X4�Housing of the rear axle transmission | Book soon | R/2023/358 | |
| G ClassFilling of air conditioning refrigerant | Low | R/2024/150 | |
| AMG GT, C Class, CLS, E Class and 5 moreOn affected vehicles the fuel pump impeller might not meet specifications and may deform | Urgent | R/2023/223 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2020/161 on 3 Aug 2020, for the embossed lock symbol at the operating lever of the child safety lock at the rear doors…. The one launched after it was R/2020/167 on 14 Aug 2020, for incorrectly implemented threaded connection of the propeller shaft intermediate bearings…. You can also see every Mercedes-Benz recall and all recalls launched in 2020.
Source: DVSA recall R/2020/199, launched 3 August 2020. 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.