W212 e250 engine managment light

[KingAky]

Hi

So my engine light came on, took it to mechanics advised of these faults. Put evodrive clean and gave it a good boost. Still feel like engine is sluggish and gearbox in 1 - 3 gear going down is like a difficult change. Any suggestions what the issue could be as engine light hasn't come back on?

 

[markjay]

All the fault codes are showing as 'stored', so it's difficult to know when they actually occurred.

Certainly, there was an issue with the DPF at some point, so I'd start with that. The DPF may be clogged and in need of a regen, or (less likely) the DPF sensor has failed.

 

[Tonygw]

probably the DPF pressure sensor, very very common failure on these. not to difficult to replace either.

Mine went a few months ago, garage said they do a lot and had them in stock.

Also worth checking the pipes to the DPF are not blocked with soot as this will also cause a pressure difference. If its not been regenerating then it will need a forced regen also. A decent indy will do this as part of the repair.