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Nightmare... Rough iddle 350 Cdi

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Old Feb 8, 2025 | 06:54 AM
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Nightmare... Rough iddle 350 Cdi
hope someone will be able help me to find the probem...
W222 S350 CDI 2014

Symptoms...
Perfect cold start, no shaking, no smoking, very smooth when cold...

Once engine it's warm...Im felling unregular vibration or something similar...

Engine mounts its new, gearbox mount new.

I also swapped gearbox...But this not gearbox
All filters its new ...
Hot start also without any problems, runs and drives without any issues.

Any idea what I should check in the next steps?

Thank you 😊
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Old Feb 8, 2025 | 07:28 PM
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VII
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2020 S560, 2014 SLK55 (Prev. 2016 S65, 2013 SLK350, 2008 CLS63, 2006 E350, 2006 CLS500, 2005 C230K)
I'm gonna say CPS.
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Old Feb 9, 2025 | 09:50 PM
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