Common Mercedes AdBlue faults
On Mercedes vehicles the dashboard often shows “AdBlue: No start in X km”. NOx sensors are a frequent cause on Sprinter and Vito vans, along with AdBlue heater and pump faults.
- NOx sensor failure (upstream or downstream)
- AdBlue tank heater faults, especially in cold weather
- AdBlue pump and pressure faults
- SCR efficiency faults
Models we regularly see
Sprinter, Vito, V-Class, C-Class, E-Class, GLC and ML/GLE BlueTEC diesels.