C219 CLS55 and CLS63, 2004-2010

Crashing sound on liftoff

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Old Sep 8, 2016 | 09:44 AM
  #1  
Fivehunnit's Avatar
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CLK500 (2002)
Crashing sound on liftoff

this is pretty much how my old ford sounded when the engine mounts were shot, low gears revving up to around 6k then lifting off, I get a slight crash sound like I've hit a small pothole, is this likely the motor mounts or a suspension part? Thanks
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Old Sep 9, 2016 | 10:14 PM
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2006 CLS55AMG & 2005 S55AMG
What you said and check the super charger bearing too.
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Old Sep 9, 2016 | 10:25 PM
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2003 CL 600
Try it stationary. Put the car in drive, hold the brakes, step down hard and let off. Try again in reverse. There should be no clunking or jumping around of the engine.

Very common for the mounts to break on these cars, not a terrible repair unless it's 4-matic, then it's very space limited.
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Old Sep 10, 2016 | 08:26 PM
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CLK500 (2002)
Originally Posted by ItalianJoe1
Try it stationary. Put the car in drive, hold the brakes, step down hard and let off. Try again in reverse. There should be no clunking or jumping around of the engine.

Very common for the mounts to break on these cars, not a terrible repair unless it's 4-matic, then it's very space limited.
thanks for the replies, will try that for sure (no supercharger btw)
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Old Sep 16, 2016 | 10:44 AM
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change motor mounts and transmission mount
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Old Sep 16, 2016 | 02:44 PM
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1995 E320 Wagon
It is definitely a mount. I had my engine mounts replaced at 68k they were completely destroyed. Sounded similar to what you are saying. If not that move gradually to the rear of the car first to the trans mounts the. To the diff mounts and lastly the subframe mounts. While I am fairly certain your engine mounts are shot it isn't entirely impossible that these other mounts are tired after taking some mileage.
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Old Nov 2, 2016 | 10:39 PM
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21 E63 Wagon
My brother zip tied an old iphone to the under carriage to view which mounts were messed up via recorded video. Smart idea.
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