check engine light

  1. C

    Nox sensor Bank 1

    Hi all, engine light on on my 2015 C220d bluetec diagnosed as Nox sensor bank 1. Garage quotes about £450 for the part. I am looking at AUTODOC APP and see there are many more cost effective (cheaper) options. Is there a particular brand that should be sourced? Any to be avoided? TIA
  2. F

    Fault codes W203 C320, glow plug module??

    Hey guys, I am so sick and tired of battling the electronics of this car and i am at a loss. The yearly inspection is due tomorrow and i still can't get the damn check engine light fixed... :( :( :( So the faults are as follows: OBD testing: *P0670 Glow Plug Control Module Control Circuit /...


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