+1 it is unusual with a benz engine to suffer from carbon build up, happens a lot with BMW engines though. I would check the motor mounts to see if the mounts have split and allowed the oil to leak out, thus sitting down on the chassis.
+1 it is unusual with a benz engine to suffer from carbon build up, happens a lot with BMW engines though. I would check the motor mounts to see if the mounts have split and allowed the oil to leak out, thus sitting down on the chassis.More likely to be bad motor mounts and/or transmission mount. Also, check harmonic balancer.
Well if you are going to de-coke the manifold then put new fuel injector seals on whilst in there. Check all the breather pipes for cracking, and if backed hard change them too.its not. motor mounts, tranny mount, and harmonic balancer are all new.
Cocked manifold intakes and bad vibration is very common on the BMW range especially the 3 series but very rare on MB so this is a guessing game I feel.changed the breather hoses as well.
Injectors would go out for cleaning with new seals if I do this.
This vibration is a real brain tester.