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I have another question posted on here about vibration and I have yet to totally remedy that issue. I had the AMG wheels sent out and they were slightly off due to some potholes they said. I had them "trued up" and the vibration has improved around 45 MPH. I also had the car aligned and it was dead on. However, the other day I got out on the highway and at 60 MPH I had this groaning/pulsing type sound coming from the car. I have noticed this on other vehicles at certain speeds, I guess the transmissions don't run real smooth at a certain RPMs. I never felt that in the CLK before. Especially since the rims were fized up. I still have the wheel vibration/shimmy problem though at almost all speeds ... NOT NEARLY AS BAD, could this be the Kumho tires on there ? Any other ideas, the car only has 28K on it ...
Dealer has not been helpful and the shop I take it to does not think it's the motor mounts, wheel damper, trans. damper. Any other ideas here ?
 

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2000 CLK 430 Cab
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565 Posts
The only way I've eliminated any vibration is by sticking with premium Michelins like SP Sport or SP2 Sport sports. Other tires just seem difficult to get a perfect balance on this vehicle.
 

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2006 CLS55 AMG, 2000 E55 AMG, 2009 GL550, 1954 LINCOLN CAPRI. 1967 VW BEETLE
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IF your wheels are true, the suspension and drivetrain (dont forget about axle joints.....) are tight, I would suspect that a tire is out of round. A bent wheel or bad tire can still be "balanced" on a machine, but if a tire has a slight amount of run out ,it will drive you nuts. (Runout can be seen when spun on a balancer or detected, depending on the type of balance machine) . What is the dealers opinion on your problems?
 
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