Mercedes-Benz C Class, GLC Recall R/2021/121: The Connection Of The Gas Lines Of The Inertisation System Might Not Meet Specifications, Who Is Affected And What To Do
- Low
- How serious
- 7 May 2021
- Launched
- 29,137
- vehicles in the UK
- SRPC2107
- Manufacturer’s campaign code
Mercedes-Benz recalled C Class, GLC vehicles built between 12 April 2016 and 3 November 2020. The connection of the gas lines of the inertisation system might not meet specifications. The dealer will check and if necessary rework the gas lines of the inertisation system. You won't usually pay for it.1
What’s Wrong
The connection of the gas lines of the inertisation system might not meet specifications.
DVSA's Original Wording
Concern: THE CONNECTION OF THE GAS LINES OF THE INERTISATION SYSTEM MIGHT NOT MEET SPECIFICATIONS Defect: The connection of the gas lines of the inertisation system might not meet specifications. Remedy: Check and if necessary rework the gas lines of the inertisation system.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: the connection of the gas lines of the inertisation system might not meet specifications.
The Fix
The dealer will check and if necessary rework the gas lines of the inertisation system.
Are You Affected?
C Class, GLC built between 12 April 2016 and 3 November 2020 may be included. Mercedes-Benz estimates 29,137 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 SRPC2107 or the DVSA reference R/2021/121. 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 | |
| C Class, EQE, GLCBolting of steering coupling | Urgent | R/2025/333 | |
| GLCMounting of Multi-Purpose camera & interior mirror | Book soon | R/2025/216 | |
| C ClassDriver seat belt fitting | Urgent | R/2025/158 | |
| AMG GT, GLC, S Class, SLProcessor Starter/Generator | Urgent | R/2025/124 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2021/134 on 5 May 2021, for the behaviour of the emergency call system might not meet specifications. The one launched after it was R/2021/164 on 7 May 2021, for a front axle brake caliper carrier could have been manufactured outside of 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/2021/121, launched 7 May 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.