engine shaking

Here is a video: https://streamable.com/f6vnw7 Hello, I have a w204 c220 2012 and on idle my RPMs jump up and down and the whole vehicle shakes sideways in response. It’s very unpleasant to sit inside while stationary, but the issue mostly goes away after it reaches operating temperatures. I...

Hi All Apologies for long winded chronological list below.....Effectively car shaking when idle, especially at cold, awful clatter accelerating between 1500-2000 rpm in any gear ... Details of all work I've done so far .. rang a Mercedes Independent specialist today May 4th 2023 Hopefully they...