2021 GLS63 idle vibration
Last edited by parasnake; Nov 8, 2024 at 02:31 AM.
Last edited by wildta; Nov 8, 2024 at 05:11 AM.




Too bad the new mounts didn't work (I wouldn't have expected them to).
So now they've eliminated a variable, and can move forward in fixing the residual problem.
Good luck.




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Last edited by ron104; Nov 24, 2024 at 09:02 AM. Reason: eliminate typos




We'll see.
Under normal conditions my GLS580 starts up idling at 500 rpm and is dead smooth.
If it is hot I think some accessories kick in (fan?) and the car idles at about 800 rpm. Then I can feel a slight roughness or vibration. It disappears after driving the car a few minutes. Then it idles smoothly again at 500 rpm.
Hope this helps.




