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Turbo Noise Issue

This is a discussion on Turbo Noise Issue within the Mercedes-Benz CLA45 AMG forums, part of the Mercedes-Benz CLA Model Specific Forums category; Hello everyone, This is my first time posting on this site, but I have been a long time reader of this forum. I have reviewed ...

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Thread: Turbo Noise Issue

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    Newbie kto00's Avatar
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    Turbo Noise Issue

    Hello everyone,
    This is my first time posting on this site, but I have been a long time reader of this forum. I have reviewed all of the threads that discuss turbo recalls and turbo issues in the CLA45, but I don't think I found anyone that had the problem I am having. At around 1k-2k rpm, there is a distinct annoying vibration sound that comes out from the turbo. Obviously this is especially annoying at light driving. I don't believe the problem persists at higher rams, or maybe I just can't hear it after that. I initially believed the problem to be from the heat shield, but after taking the heat shield off and testing, I discovered that the sound became louder and even more pronounced. I have attached a link to a video that I took that shows the sound. I hope you guys can help with this and moreover that this would not be an expensive fix!

    Thank you in advance!

    https://youtu.be/z6gYLGdcAcY

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    Rookie Vforce14's Avatar
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    Sounds like your Turbo input propeller is damaged//
    if you still have warranty then take it to the dealer to have the turbo checked out

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    Pro tekfoc's Avatar
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    bad turbo. run to the dealer let the warranty take over.
    you do not want the engine to ingest the impeller,could cause you to loose your engine.
    good luck
    2016 C63S AMG IRIDIUM FULLY LOADED - WITH RECARO'S -
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    JFG
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    Newbie JFG's Avatar
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    I had same issue. The problem is a broken turbo mount
    2014 Mercedes-Benz CLA 45 AMG
    2012 Subaru Impreza WRX STI
    2009 Subaru Impreza WRX
    2006 Mazda Mazdaspeed 6
    2002 Acura RSX

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    Newbie tburch's Avatar
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    I noticed mine is doing that recently. I'll have to get it checked out as well. Did it turn out to be the mount or the impeller?

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    Rookie tvn22's Avatar
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    same problem here, it was a broken turno mount
    2014 CLA45 Cirrus White

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    Newbie chazo's Avatar
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    Hi guys, little up on this post.

    I noticed a few days ago a vibration in the engine block of my cla45, I explain:
    Around 1300-1400 revolutions, a kind of resonance is heard, then disappears above and below the regime.

    What was the symptom exactly when you have this issue ?

    Thank a lot

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