Mercedes-Benz A Class, CLA, GLA Recall R/2021/084: The Variant Of Spark Plugs Installed May Not Meet Specifications, Who Is Affected And What To Do
- Low
- How serious
- 15 Apr 2021
- Launched
- 7
- vehicles in the UK
- SRPC2106
- Manufacturer’s campaign code
Mercedes-Benz recalled A Class, CLA, GLA vehicles built between 3 September 2019 and 24 August 2020. The variant of spark plugs installed may not meet specifications. The dealer will replace the spark plugs on the affected vehicles. You won't usually pay for it.1
What’s Wrong
The variant of spark plugs installed may not meet specifications.
DVSA's Original Wording
Concern: THE VARIANT OF SPARK PLUGS INSTALLED MAY NOT MEET SPECIFICATIONS Defect: The variant of spark plugs installed may not meet specifications. Remedy: Replace the spark plugs 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 variant of spark plugs installed may not meet specifications.
The Fix
The dealer will replace the spark plugs on the affected vehicles.
Are You Affected?
A Class, CLA, GLA built between 3 September 2019 and 24 August 2020 may be included. Mercedes-Benz estimates 7 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 SRPC2106 or the DVSA reference R/2021/084. 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/2021/100 on 13 Apr 2021, for the additional lock for the connector of the seat belt tensioner wiring harness in the co…. The one launched after it was R/2021/103 on 16 Apr 2021, for wheel hub caps may not have been manufactured according to specification. You can also see every Mercedes-Benz recall and all recalls launched in 2021.
Source: DVSA recall R/2021/084, launched 15 April 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.