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Small knocking noise coming from rear struts

Old Dec 2, 2019 | 11:04 AM
  #1  
Simon Guertin's Avatar
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2015 c300 4matic with sports package
Small knocking noise coming from rear struts

Hi, I noticed some really small knocking noise coming from the rear struts, especially when driving slowly over bad roads.
I jacked up the car and I could reproduce the small noise by moving up and down the wheel. It looks like the noise is coming from the first/last inch of travel when I move the when up and down. Is this normal or a sign of a failing strut ?

I have check for worn out bushings all around and nothing moves, so all other moving parts of the suspension are looking good. Sway bar, tie rod ends etc looks good.

I have 50000 km and its a c300 2015 4 Matic with AMG sports package. I am still under warranty, so I will go see the dealer to get this fixed. I want to make sure there is an issue before going at the dealer.

Thanks
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Old Dec 2, 2019 | 02:31 PM
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GringoBling's Avatar
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C400
hard to say, usually you check blown struts by bouncing the car when its stopped, not lifting it.
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