W169 A Class Diesel In Oil

Discussion in 'Engine' started by campsea, Aug 30, 2017.

  1. campsea

    campsea New Member

    Messages:
    1
    Joined:
    Aug 27, 2017
    Car:
    W169
    Please help!

    I have a 2010 W169 A180 Mercedes, unfortunately diesel is making its way into the sump (relatively quickly, 10mm increase on dipstick after a couple 100 miles).

    Therefore I have done the following:

    Replaced the high pressure fuel pump.

    Had the DPF checked on diagnostics, of which it seems to be successfully regenerating with 2g of soot currently within the DPF.

    It isn't the 'rings' as the engine starts on the turn of a key and I can assume compression is good.

    I am relatively sure the injectors are good as the car runs well too.

    Other than that Ive run out of ideas and I'm getting annoyed with this!!!!
     
  2. merc85

    merc85 MB Enthusiast

    Messages:
    8,029
    Joined:
    Apr 23, 2013
    Location:
    Harwich
    Car:
    s211 e55k
    If diesel is making its way into the oil, the only way this can be done is by passing the rings id imagine, Eg over fuelling Possibly worn injectors
     
  3. LvR

    LvR Member

    Messages:
    55
    Joined:
    Apr 18, 2014
    Location:
    South Africa
    Car:
    A160 W168
    Me? - I would first measure the ability of the fuel rails to maintain pressure after the engine has been switched off .................... any individual injector leaking when it should be closed will generate unwanted diesel liquid in the cylinder that not even a perfect ring set will keep out of the sump
     
  4. Dutchbenz

    Dutchbenz Active Member

    Messages:
    74
    Joined:
    Aug 20, 2017
    Location:
    Purmerend, Netherlands deceased 26-12-2018
    Car:
    2008 S204 C230 estate
    x2
    And refresh the oil asap, the bearings will be greatful for that.
     

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