Mercedes-Benz GLB and CLA recall: Software version of communication module
Yes – some of these vehicles are being recalled
- What's wrong
- Mercedes-Benz AG has determined that on certain CLA (174 platform) and GLB (244 platform) vehicles the software of the communication module might not meet the intended specification.
- What to do
- Contact a Mercedes-Benz dealer to book the free repair. As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will update the software on the affected vehicles.
Source: Driver and Vehicle Standards Agency (DVSA)
Check your reg on DVSA ↗
What’s wrong
Mercedes-Benz AG has determined that on certain CLA (174 platform) and GLB (244 platform) vehicles the software of the communication module might not meet the intended specification.
The fix
As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will update the software on the affected vehicles.
Vehicles affected
| Model | Built from | Built to | Vehicles |
|---|---|---|---|
| GLB | 25 Nov 2025 | 27 Feb 2026 | 32 |
| CLA | 27 May 2025 | 14 Jan 2026 | 5 |
How to check your vehicle
Use the official DVSA checker with your registration number to see if your exact vehicle is included. If it is, the manufacturer should have written to the registered keeper. The repair is free, even if you bought the vehicle second-hand.
Updated 5 June 2026. This page summarises an official notice. Details can change – always follow the official notice.