i've changed them so many times, I think every other year both sensors go faulty, which is why I decided to just delete the Ad Blue, so no nox sensor issues.
Hi everyone,
I’m having an issue with my W205 C-Class 250d and hoping for some advice.
It all started when the AdBlue warning light came on. I was told the NOx sensor needed replacing. Around the same time, the DPF light also appeared, indicating the DPF was clogged. I took the car on the...