Engine management light

[Girlmax53]

The engine management light came on during a motorway journey on my A180 AMG 1.5 D. Diagnostics showed the DPF pressure sensor... I brought (from Mercedes) the part and had it fitted, the fault was reset. Whithin an hr the light is back on... however at times when I start the car it’s not on and may not come on for a good few miles! The car is running completely normal. Any ideas? Mercedes near me cannot look at the car for nearly 2 weeks.

 

[Steve@Avantgarde]

You need to programme in to the engine ECU that their has been a repair to the DPF, check and update the software, and possibly carry out a regeneration.

Gone are the days where you replace a component and then clear the code, there are other procedures to be followed. Was it a Mercedes specialist or a generic garage that you used?

 

[Girlmax53]

It was an independent garage

 

[Steve@Avantgarde]

Do you know if they have Xentry Star diagnosis? If not, then its pointless to return to them. Where in the world are you? We may be able to recommend someone close by.

 

[Girlmax53]

I am in Sheffield, the garage I went to was in Kent as I was visiting family for 2 days

 

[Girlmax53]

I brought a cheap diagnostic machine that didn’t pick up the fault, the garage I went too had the proper kit, the problem I had was I was only in the area for 2 days. So headed back to Sheffield only to be told by Mercedes they can’t look at the car for 2 weeks which isn’t very helpful as I don’t want to damage the car by keep driving it

 

[Steve@Avantgarde]

I don't know any specialists north of the border except MB tech Warrington, but they are probably too far from you.

 

[Girlmax53]

Thanks for your advice, much appreciated