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Stange noise under the hood!

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by MichaeLondon, Oct 4, 2017.

  1. MichaeLondon

    MichaeLondon New Registration

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    Joined:
    Oct 4, 2017
    Your Mercedes:
    C220 2013
    Hello guys,
    First time on here!
    I bought a C220D Automatic 2013 from the dealer last year.

    I noticed that when the car is in park and I rev.. I hear an unusual noise just as the engine starts to 'move' and as soon as it 'stops'. There is no unusual noise when the engine is running and when driving I haven't noticed anything unusual.

    I have however noticed that when I accelerate quickly then brake, the car drops down the gears uneasily (I can feel the gear changes). It doesn't happen if I break normally. I have had this ever since I got the car from the dealer so I assumed this is normal, but I think it's been happening more often in the last few days.

    A little bit worried that it may cost an arm and a leg to fix!
     
  2. LostKiwi

    LostKiwi Senior Member

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    Joined:
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    Location:
    Midlands / Charente-Maritime
    Your Mercedes:
    '93 500SL-32, '01 W210 Estate E240, 02 R230 SL500 (Malcolm Spec), 04 Smart Roadster Coupe
    Hi and welcome.
    What kind of noise?
     
  3. John Laidlaw

    John Laidlaw Senior Member

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    Joined:
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    Location:
    Wirral
    Your Mercedes:
    UnMercs BMW i8 Volvo XC90
    Welcome ... the ‘hood’ ?
     

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