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fault 299. super turbo under boost ?

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by poolshark, Dec 2, 2009.

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  1. poolshark

    poolshark Member

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    Joined:
    Mar 3, 2009
    Location:
    IRELAND
    Your Mercedes:
    C CLASS 220 CDI
    I had a engine diagnostic warning light appear on my C220 cdi . the light came on, two days after I bought it.
    An Indy garage inserted a device into my car and showed me this reading. Fault 299. super turbo under boost

    I took it to a mercedes dealer, as it was still under warranty and they fixed it for me.
    what exactly was my problem, and what would they have done ?.
    Did it need a new turbo installed at two years old?
    it is a 2006 c class with 27000 miles.
     
  2. Alex Crow

    Alex Crow Senior Member

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    Location:
    Super Suffolk
    Your Mercedes:
    W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree
    was the dealer unwilling to tell you what work they did? lots of things could cause that code, not just a turbo problem.
     
  3. OP
    poolshark

    poolshark Member

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    Location:
    IRELAND
    Your Mercedes:
    C CLASS 220 CDI
    the reading i saw from the hand held fault finder , stated it was
    Super turbo under boost.
    then i took it to a main merc' dealer and they recommended to leave it in and get a new turbo before the warranty was up in two months time.
    so i did that and when i collected my car it was going great.

    i just cant believe they really put in, a new turbo, maybe they just fixed the old one instead.

    sorry if i appear dubious about what car dealers say, but i have met my share of con men in my time of buying cars.

    thanks for your reply.
     
  4. type49

    type49 Senior Member

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    Never heard of Super turbo under boost. Not under any Merc listings I've ever read. Like AP says, could be several different things.
     

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