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turbo troubles ML 320 CDI

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by William Chalverus, May 22, 2020.

  1. William Chalverus

    William Chalverus New Registration

    Messages:
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    Joined:
    May 22, 2020
    Your Mercedes:
    2007 ML 320 CDI
    My turbocharger on my '07 ML 320 is behaving erratically. It was suggested that the controller may be the culprit, but purchasing a replacement is impossible because they are tuned to the individual turbochargers. Hhhhmmm
    Has anyone been down this road, and can offer advice on how to proceed? Thank you,
     
  2. bembo449

    bembo449 Senior Member

    Messages:
    4,585
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    Joined:
    Jan 2, 2012
    Location:
    gainsborough , lincolnshire
    Your Mercedes:
    w221 320cdi , r170 230k , land rover discovery 3 , insignia vxr , shitron dispatch
    Get codes read asap then report back , poss the electronic waste gate but dont guess
     
  3. EmilysDad

    EmilysDad Senior Member

    Messages:
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    Joined:
    May 8, 2012
    Location:
    Bury Lancs
    Your Mercedes:
    ML350
    my guess would be the electric actuator ..... they do fail. But you can get your actuator refurbished.
     
  4. Wighty

    Wighty Senior Member

    Messages:
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    Joined:
    Aug 4, 2016
    Location:
    Sunny Essex
    Your Mercedes:
    W211/E320cdi/2009 and CLK200k 2009
    Where do you live , update your user details so someone can recommend an MB independent in your area .
    MB specific diagnostic code readers will help pinpoint the fault .
    The om642 turbo actuator issues are well documented and known by Mercedes independents
     

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