Mercedes-Benz C Class, S Class Recall R/2022/117: The Software Of The Rear Signal Acquisition And Actuation Module Might Not Meet…, Who Is Affected And What To Do
- Low
- How serious
- 16 May 2022
- Launched
- 605
- vehicles in the UK
- SRPC2212
- Manufacturer’s campaign code
Mercedes-Benz recalled C Class, S Class vehicles built between 20 June 2020 and 13 January 2022. The software of the rear signal acquisition and actuation module might not meet specifications. The dealer will update the software of the signal acquisition and actuation module on the affected vehicles. You won't usually pay for it.1
What’s Wrong
The software of the rear signal acquisition and actuation module might not meet specifications.
DVSA's Original Wording
Concern: THE SOFTWARE OF THE REAR SIGNAL ACQUISITION AND ACTUATION MODULE MIGHT NOT MEET SPECIFICATIONS Defect: The software of the rear signal acquisition and actuation module might not meet specifications. Remedy: Update the software of the signal acquisition and actuation module 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 rear signal acquisition and actuation module might not meet specifications.
The Fix
The dealer will update the software of the signal acquisition and actuation module on the affected vehicles. The fix is a software update, which usually takes under an hour at the dealer.
Are You Affected?
C Class, S Class built between 20 June 2020 and 13 January 2022 may be included. Mercedes-Benz estimates 605 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 SRPC2212 or the DVSA reference R/2022/117. 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 |
|---|---|---|---|
| S ClassWindshield bonding | Low | R/2026/191 | |
| C Class, EQE, GLCBolting of steering coupling | Urgent | R/2025/333 | |
| C ClassDriver seat belt fitting | Urgent | R/2025/158 | |
| AMG GT, GLC, S Class, SLProcessor Starter/Generator | Urgent | R/2025/124 | |
| C Class, CLS, E Class, GLCMisfire detection M264 | Low | R/2024/474 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2022/114 on 16 May 2022, for the hands-off detection might not detect when the driver's hands are away from the…. The one launched after it was R/2022/150 on 16 May 2022, for the steering of certain EQE (295 platform) vehicles may have been damaged during the…. You can also see every Mercedes-Benz recall, the Mercedes-Benz C Class recall history, all recalls launched in 2022 and software recalls across every make.
Source: DVSA recall R/2022/117, launched 16 May 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.