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      03-03-2017, 02:46 PM   #244
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Drives: C63s - S205 - Brilliant Blue
Join Date: Oct 2014
Location: Warrington

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Originally Posted by Sleeper View Post
Jumping in here from across the pond. The thread title and description of issue sounds oddly familiar to what I'm experiencing here - knocking from rear of the car over bumps/uneven roads. My dealership has replaced the fuel tank, rear diff, various suspension components, but not the shocks.

Guess what? The noise is still present.

When you guys were dealing with this issue, did anyone try to capture the knocking sound on a camera/phone?

I tried but it was impossible. Can only describe it as:

Slow speed as if the exhaust is knocking on the axle as it was moving from side to side.

Faster speeds more like a thick metallic plate rattling at the rear of the car.

That is about the best I could describe.