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Frustrated....

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by markdenning, Dec 2, 2019.

  1. markdenning

    markdenning Active Member

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    Your Mercedes:
    58reg.eclass 280 cdi sport
    Well ive been without my car now for 3 weeks..car went into limp mode,garage plugged the car into the diagnostic machine..its the turbo actuator..sent away for one,arrived some days later to find its of poor quality..sent away for another one(firm in the UK..).garage fitted it today...and ....its still in limp mode,no power or kickdown..the garage are no sure wats up now..so my pride and joy it still just keeping the drive dry


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  2. Uncle Benz

    Uncle Benz Senior Member

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    Get them to check the fuses. A faulty actuator can blow the fuse. A new unit then won't work if the fuse is blown.
     
    matthew k and bembo449 like this.
  3. star

    star Forum Supporter Authorised Forum Supporter

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    Make sure it’s fitted correctly, also the vanes can stick and on occasions the port motor can throw the same fault.
     
  4. OP
    markdenning

    markdenning Active Member

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    Thanks for the reply chaps..ive got my fingers crossed its an easy fix..ive spent a bit on it and this close to xmas i cud do with so luck..


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  5. bembo449

    bembo449 Senior Member

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    Your Mercedes:
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    there are always a couple of things to double check before following the fault codes pal , as the chaps above have pointed out , if your garage did not follow this route then they will be chasing their tails a bit
     
  6. jaymanek

    jaymanek Senior Member

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    We never change the actuator alone. Complete turbo and intake motor at the same time.
    We haven't had success just changing the turbo actuator alone.
     
    Uncle Benz likes this.
  7. OP
    markdenning

    markdenning Active Member

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    Now that sounds expensiveill ring tje garage abt 10am and see wats happening!!thanks chaps


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  8. star

    star Forum Supporter Authorised Forum Supporter

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    To be honest, we discuss this with the customer and normally fit just the actuator as we stock them, 90% of the time this is a good and cheaper fix. If then it turns out to be the turbo vanes sticking we take back the actuator and replace turbo with actuator.
     
    alexanderfoti, Wighty and Blobcat like this.
  9. Wighty

    Wighty Senior Member

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    Fuse F44 , 15amp in the engine bay fuse box by the brake fluid reservoir
     
  10. star

    star Forum Supporter Authorised Forum Supporter

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    If that fuse blows, you would have a list of faults as long as your arm on a star. :(
     
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  11. OP
    markdenning

    markdenning Active Member

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    Hi Chaps..ive rang the garage...its needs a turboso looks like its parked up til after xmas..they didnt go into much detail.so ill pick the car up on the way home and see wats happened...


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  12. OP
    markdenning

    markdenning Active Member

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    Latest News.....turbo wont talk to the actuator!!!seems it wasnt just a fit the part and ull be on ur way job


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  13. Botus

    Botus Senior Member

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    fuse

    the actuator is a mechanical link to the turbo there's no comms

    and if that's OK check exhaust back pressure sensor readings... (a very stupid name) its the bit that tells the actuator (they just replaced) how much to move variable geometry inlet to the turbo vanes...

    that senor goes pop before the actuator does, costs 40 quid and can be swapped inside 4 minutes with one 24mm deep socket
     
    Last edited: Dec 3, 2019
    Kev555 likes this.
  14. Wighty

    Wighty Senior Member

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    Is this an MB specialist you are dealing with ?
     
  15. EmilysDad

    EmilysDad Senior Member

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    I thought the turbo & its actuator were matched to each other. When I had mine refurb'd I got back the mechanical side with new electric bit. c£100 vs the £2000 I was quoted by an indie for a complete new turbo fitted
     
  16. bembo449

    bembo449 Senior Member

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    Did my 221s actuator over 2 years ago , no problems at all
     
  17. bembo449

    bembo449 Senior Member

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    I was told that mercedes dont supply the actuator seperate , no one said they were matched ??
     
  18. alexanderfoti

    alexanderfoti MBO Forum Supporter Authorised Forum Supporter

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    We do the same, and have the same results.
     
  19. star

    star Forum Supporter Authorised Forum Supporter

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    Mercedes do not supply it separately, the are available aftermarket but need to be fitted correctly.
     
  20. OP
    markdenning

    markdenning Active Member

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    I think thats the problem..its a local indie garage the fitted and diagnosed the turbo/actuator..they sed they had done the job before but im not sureill check the fuses wen i get home on friday..it wud be nice if it was a fusethanks again


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