Mercedes-Benz Forum - View Single Post - Slight idle vibration (intermittent)
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post #4 of (permalink) Old 02-16-2019, 06:46 AM Thread Starter
BenzWorld Member
Date registered: Jan 2018
Vehicle: '04 S500 4Matic
Location: Toronto, Canada
Posts: 303
Mentioned: 4 Post(s)
Quoted: 44 Post(s)
(Thread Starter)
The mechanic replaced the spark plugs, and also did the smoke test for vacuum leaks (he could not find any). He also checked 'fuel trim' which was normal.
On the drive home it was fine, but it's intermittent so I am not saying it's fixed yet.

I will reply again once I have used it for a few weeks.

Oh, and the valve covers are leaking a bit. We have cleaned it up and I will monitor to see how bad the leak is. So next job will be valve cover seals.

Funny that on the way to the mechanic my seat base would move back, but not forwards. On the way back from the mechanic it was fine. I put it down to lack of use. I will check the door control module with SDS later.

Thanks again
oliverp is offline  

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