Vehicle recall R/2021/434

Mercedes-Benz C-Class and Mercedes-Benz S-Class recall: The configuration of the mbux system might not meet specifications.

DVSA recall R/2021/434 names the Mercedes-Benz C-Class, Mercedes-Benz S-Class and Mercedes-Benz EQS. It was launched 12 January 2022. It covers vehicles built 18 December 2020 to 22 October 2021.

Recall data updated 22 September 2026

Recall: R/2021/434
Launched: 12 January 2022
Issued by: MERCEDES-BENZ CARS UK LTD
Manufacturer reference: SRPC2162
Vehicles: DVSA lists 25 on each model line

What can go wrong

On certain vehicles with an active and connected Mercedes me connect account the configuration of the MBUX system might not meet specifications.

The fix

A remote update of the configuration of the MBUX system will be conducted without the need for a workshop visit.

Models and build dates

As listed in the DVSA recall file. DVSA lists the same vehicle number on each line: 25. It may be a figure per line or for the whole recall.
Model	Built	Vehicles
Mercedes-Benz C-Class	18 December 2020 to 22 October 2021	25
Mercedes-Benz S-Class	18 December 2020 to 22 October 2021	25
Mercedes-Benz EQS	18 December 2020 to 22 October 2021	25

Is a specific car affected? A recall lists models and build dates, not individual vehicles, so these pages cannot tell you whether one car is included. Enter the registration on the DVSA vehicle recall checker on GOV.UK, or give the vehicle identification number (VIN) to the manufacturer or one of its dealers. Buying used? Ask the seller for proof that any recall work was done.

Other recalls for these models

R/2021/384 Mounting screws of front axle brake callipers might not meet specifications 11 January 2022, Mercedes-Benz CLS, Mercedes-Benz S-Class, Mercedes-Benz E-Class
R/2021/365 To achieve an improvement in the emissions 11 January 2022, Mercedes-Benz S-Class
R/2021/438 Coolant pump might have a leakage between the vacuum system and the coolant circuit 21 January 2022, Mercedes-Benz E-Class, Mercedes-Benz CLS, Mercedes-Benz S-Class and others
R/2022/019 The software of the engine control unit might not meet specifications 10 February 2022, Mercedes-Benz GLE, Mercedes-Benz GLS, Mercedes-Benz CLS and others
R/2022/018 The configuration of the mbux system might not meet specifications 16 February 2022, Mercedes-Benz S-Class, Mercedes-Benz C-Class
R/2022/024 The communication module might not meet specifications 16 February 2022, Mercedes-Benz S-Class

Found one you might buy?

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Source

Contains public sector information licensed under the Open Government Licence v3.0. Source: DVSA vehicle recall records (RecallsFile.csv), recalls launched 1992 to 2026. Recall data updated 22 September 2026.

Recall wording is DVSA's, with capitals and punctuation tidied and American spellings such as tire, center and windshield given in British English. We list a recall when its make and model match a car or van family with at least 1,000 DVSA MOT tests from 2022 to 2025, and when the maker of the vehicle issued it.

Not affiliated with or endorsed by DVSA. Methodology · Data sources