Mercedes-Benz A Class (177), CLA Recall R/2020/134: The Mounting Of The Gas Line To The Gas Generator Of The Inerter System May Not Meet…, Who Is Affected And What To Do
- Low
- How serious
- 21 Jul 2020
- Launched
- 134
- vehicles in the UK
- SRPC2016
- Manufacturer’s campaign code
Mercedes-Benz recalled A Class (177), CLA vehicles built between 6 May 2019 and 10 May 2019. The mounting of an argon gas line to generator of the inerter system might not meet specifications. The dealer will check the mounting of the gas line to the gas generator on the affected vehicles and rework it if necessary. You won't usually pay for it.1
What’s Wrong
The mounting of an argon gas line to generator of the inerter system might not meet specifications.
DVSA's Original Wording
Concern: THE MOUNTING OF THE GAS LINE TO THE GAS GENERATOR OF THE INERTER SYSTEM MAY NOT MEET SPECIFICATIONS Defect: The mounting of an argon gas line to generator of the inerter system might not meet specifications. Remedy: Check the mounting of the gas line to the gas generator on the affected vehicles and rework it if necessary.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: the mounting of the gas line to the gas generator of the inerter system may not meet specifications.
The Fix
The dealer will check the mounting of the gas line to the gas generator on the affected vehicles and rework it if necessary.
Are You Affected?
A Class (177), CLA built between 6 May 2019 and 10 May 2019 may be included. Mercedes-Benz estimates 134 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 SRPC2016 or the DVSA reference R/2020/134. 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 | |
| CLABolting of front seats and belt buckles | Urgent | R/2025/533 | |
| CLAVariant of 48V wiring harness | Urgent | R/2025/556 | |
| CLAComposition of window-airbag fabric | Urgent | R/2025/462 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2019/446 on 21 Jul 2020, for the calibration of the occupant classification system for the passenger seat may not meet…. The one launched after it was R/2020/139 on 21 Jul 2020, for the wiring harness under the right seat of the second seat row may not be routed correctly. You can also see every Mercedes-Benz recall and all recalls launched in 2020.
Source: DVSA recall R/2020/134, launched 21 July 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.