Engine management light

Girlmax53

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A180 AMG 2014 1.5 diesel
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

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E300 Coupe AMG Line PP/NE, SLR McLaren Roadster, SL55 & C32AMG
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?
 
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Girlmax53

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It was an independent garage
 
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Girlmax53

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I am in Sheffield, the garage I went to was in Kent as I was visiting family for 2 days
 
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Girlmax53

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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
 
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Girlmax53

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Thanks for your advice, much appreciated
 


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