Mercedes-Benz GLB Recall R/2021/301: The Software Of The Air Bag Control Unit Might Not Meet Specifications, Who Is Affected And What To Do
- Urgent
- How serious
- 11 Jan 2022
- Launched
- 1
- vehicles in the UK
- SRPC2143
- Manufacturer’s campaign code
Mercedes-Benz recalled GLB vehicles built between 6 June 2019 and 6 June 2019. The software of the airbag control unit might not meet specifications. The recall notice describes the fix as: conduct an update of the software for the airbag control unit on the affected vehicles. You won't usually pay for it.1
What’s Wrong
The software of the airbag control unit might not meet specifications.
DVSA's Original Wording
Concern: THE SOFTWARE OF THE AIR BAG CONTROL UNIT MIGHT NOT MEET SPECIFICATIONS Defect: The software of the airbag control unit might not meet specifications. Remedy: Conduct an update of the software for the airbag control unit on the affected vehicles.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: the software of the air bag control unit might not meet specifications.
The Fix
The recall notice describes the fix as: conduct an update of the software for the airbag control unit on the affected vehicles. The fix is a software update, which usually takes under an hour at the dealer.
Are You Affected?
GLB built between 6 June 2019 and 6 June 2019 may be included. Mercedes-Benz estimates 1 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 SRPC2143 or the DVSA reference R/2021/301. 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 | |
| GLBSurface inner tyre side wall | Book soon | R/2024/441 | |
| A Class, B Class, CLA, EQA and 3 moreBackup function of steering software | Urgent | R/2024/166 | |
| A Class, GLBOn affected vehicles the corrosion protection of the integral carrier of the front axle might not be sustained over the lifetime of the vehicle | Book soon | R/2023/185 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2021/189 on 11 Jan 2022, for vehicles could be equipped with a front axle brake calliper carrier which could have been…. The one launched after it was R/2021/302 on 11 Jan 2022, for the window air bags might not meet specifications. You can also see every Mercedes-Benz recall, all recalls launched in 2022 and airbag recalls across every make.
Source: DVSA recall R/2021/301, launched 11 January 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.