Mercedes-Benz A Class, B Class, B Class/gla/glb And 8 More Recall R/2021/082: The Communication Module May Be Deactivated, Who Is Affected And What To Do
- Low
- How serious
- 30 Mar 2021
- Launched
- 24
- vehicles in the UK
- SRPC2103
- Manufacturer’s campaign code
Mercedes-Benz recalled A Class, B Class, B Class/gla/glb and 8 more vehicles built between 3 May 2016 and 2 July 2020. The communication module may be deactivated. The dealer will carry out a check of the configuration of the communication module on affected vehicles and if necessary activate the communication module. You won't usually pay for it.1
What’s Wrong
The communication module may be deactivated.
DVSA's Original Wording
Concern: THE COMMUNICATION MODULE MAY BE DEACTIVATED Defect: The communication module may be deactivated Remedy: Carry out a check of the configuration of the communication module on affected vehicles and if necessary activate the communication module.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: the communication module may be deactivated.
The Fix
The dealer will carry out a check of the configuration of the communication module on affected vehicles and if necessary activate the communication module.
Are You Affected?
A Class, B Class, B Class/gla/glb and 8 more built between 3 May 2016 and 2 July 2020 may be included. Mercedes-Benz estimates 24 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 SRPC2103 or the DVSA reference R/2021/082. 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 | |
| CLA, GLBElectric drive unit power electronics | Low | R/2026/315 | |
| E ClassCoolant pump control software | Low | R/2026/201 | |
| S ClassWindshield bonding | Low | R/2026/191 | |
| CLA, GLBSoftware version of communication module | Low | R/2026/203 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2021/075 on 24 Mar 2021, for the dashboard might not meet the specifications. The one launched after it was R/2021/083 on 30 Mar 2021, for the software of certain communication modules may not meet specifications. You can also see every Mercedes-Benz recall, the Mercedes-Benz C Class recall history and all recalls launched in 2021.
Source: DVSA recall R/2021/082, launched 30 March 2021. 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.