Mercedes-Benz A Class, CLA Recall R/2020/237: Vehicles May Be Filled With The Refrigerant R-134a Instead Of R-1234yf, Who Is Affected And What To Do
- Low
- How serious
- 13 Oct 2020
- Launched
- 30
- vehicles in the UK
- SRPC2028
- Manufacturer’s campaign code
Mercedes-Benz recalled A Class, CLA vehicles built between 7 October 2019 and 12 November 2019. The air conditioning system on the affected vehicles might erroneously be filled with the incorrect refrigerant. The dealer will replace the refrigerant in the air conditioning system on the affected vehicles. You won't usually pay for it.1
What’s Wrong
The air conditioning system on the affected vehicles might erroneously be filled with the incorrect refrigerant.
DVSA's Original Wording
Concern: VEHICLES MAY BE FILLED WITH THE REFRIGERANT R-134a INSTEAD OF R-1234yf Defect: The air conditioning system on the affected vehicles might erroneously be filled with the incorrect refrigerant Remedy: Replace the refrigerant in the air conditioning system 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: vehicles may be filled with the refrigerant R-134a instead of R-1234yf.
The Fix
The dealer will replace the refrigerant in the air conditioning system on the affected vehicles.
Are You Affected?
A Class, CLA built between 7 October 2019 and 12 November 2019 may be included. Mercedes-Benz estimates 30 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 SRPC2028 or the DVSA reference R/2020/237. 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 | |
| A ClassInterior door handle release | Book soon | R/2026/098 | |
| CLABolting of front seats and belt buckles | Urgent | R/2025/533 | |
| CLAVariant of 48V wiring harness | Urgent | R/2025/556 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2020/276 on 12 Oct 2020, for the rear tailgate spoiler may not be to specification. The one launched after it was R/2020/274 on 21 Oct 2020, for the adjustable second seat row may not have been installed to specifications. You can also see every Mercedes-Benz recall and all recalls launched in 2020.
Source: DVSA recall R/2020/237, launched 13 October 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.