S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

VIBRATIONS w221 4 matic

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Old Nov 16, 2022 | 02:21 PM
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w221 S550 4 matic 2007/2011 year
VIBRATIONS w221 4 matic

VIBRATIONS w221 s550 4 matic facelift .

my car
Vibrations - sometimes stronger, sometimes weaker, sometimes they disappear.

VIBRATIONS appear only when the koalta works in place in D and R speed with the brake pressed, the moment I take my foot off the brake the vibrations disappear. On N and P there are no vibrations.
When the car is moving there is no vibration, whether I accelerate fast, slow, furious.

I replaced the two engine mounts with Lemfürder, apparently mine were crushed, the vibrations are back, then we put another pad on the gearbox /it's not new, but for sure from a car without vibrations/, we changed the gearbox oil /because it was time to served /

The engine works perfectly without interruptions, the box changes gears absolutely smoothly and imperceptibly.

The transition from P, H, D, P is absolutely smooth and imperceptible.

The vibrations are only in D and R with the brake applied. I take my foot off the brake the vibrations disappear


I am asking for guidance.
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Old Nov 17, 2022 | 02:10 AM
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S350 2008
I suspected problem on transmission (likely torque converter)
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Old Nov 17, 2022 | 03:59 AM
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w221 S550 4 matic 2007/2011 year
PRM are absolutely stable, in place, under acceleration, under smooth acceleration, under furious acceleration. No pulling, breaking the box.
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