Mercedes-Benz E-class recall: Coolant pump control software
- What's wrong
- Mercedes-Benz AG has determined that on certain GLE/GLS (167 platform) C-Class (205 platform) E-Class (213 platform) S-Class (223 platform) GLC (253 platform) and CLS (257 platform) vehicles with diesel engine the vacuum‑controlled coolant pump might exhibit a leakage between the vacuum system and the coolant…
- 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 of the coolant pump and replace the electrical switch valve on the affected vehicles.
What’s wrong
Mercedes-Benz AG has determined that on certain GLE/GLS (167 platform) C-Class (205 platform) E-Class (213 platform) S-Class (223 platform) GLC (253 platform) and CLS (257 platform) vehicles with diesel engine the vacuum‑controlled coolant pump might exhibit a leakage between the vacuum system and the coolant circuit.
The fix
As a remedy Mercedes-Benz AG via its Mercedes-Benz service partners will update the software of the coolant pump and replace the electrical switch valve on the affected vehicles.
Vehicles affected
| Model | Built from | Built to | Vehicles |
|---|---|---|---|
| E-class | 30 May 2017 | 30 May 2017 | 1 |
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 23 June 2026. This page summarises an official notice. Details can change – always follow the official notice.