Mercedes-Benz Maybach Recall R/2021/440: Software Of Engine Control Unit Might Not Meet Specifications, Who Is Affected And What To Do
- Low
- How serious
- 12 Jan 2022
- Launched
- 1
- vehicles in the UK
- SRPC2154
- Manufacturer’s campaign code
Mercedes-Benz recalled Maybach vehicles built between 11 March 2021 and 11 March 2021. The software of the engine control unit might not meet specifications. The recall notice describes the fix as: on affected vehicles conduct an update of the software on the engine control unit. You won't usually pay for it.1
What’s Wrong
The software of the engine control unit might not meet specifications.
DVSA's Original Wording
Concern: SOFTWARE OF ENGINE CONTROL UNIT MIGHT NOT MEET SPECIFICATIONS Defect: On certain vehicles the software of the engine control unit might not meet specifications. Remedy: On affected vehicles conduct an update of the software on the engine control unit.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: software of engine control unit might not meet specifications.
The Fix
The recall notice describes the fix as: on affected vehicles conduct an update of the software on the engine control unit. The fix is a software update, which usually takes under an hour at the dealer.
Are You Affected?
Maybach built between 11 March 2021 and 11 March 2021 may be included. Mercedes-Benz estimates 1 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 SRPC2154 or the DVSA reference R/2021/440. 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 |
|---|---|---|---|
| MaybachLambda Control | Low | R/2024/400 | |
| E ClassCoolant pump control software | Low | R/2026/201 | |
| CLA, GLBSoftware version of communication module | Low | R/2026/203 | |
| CLASoftware of driving assistance system | Low | R/2025/461 | |
| CLADriving assistance system software | Low | R/2025/408 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2021/434 on 12 Jan 2022, for the configuration of the mbux system might not meet specifications. The one launched after it was R/2021/446 on 13 Jan 2022, for the crankshaft might not meet specifications. You can also see every Mercedes-Benz recall, all recalls launched in 2022 and software recalls across every make.
Source: DVSA recall R/2021/440, launched 12 January 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.