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'92 400SE, '02 TL-S
41 Posts
My S500 coupe is experiencing a chassis vibration between 50 and 60mph. The vibration is more pronounced in the morning when the engine is cold. I originally thought it was coming from an unbalanced wheel. I have had the wheels re-balanced twice at two different places just to make sure and the problem is still there. It almost feel like a harmonic balancer in the engine may be out of balance. Is this possible? I do not know enough about Mercedes engines to know what might be happening. Any help would be appreciated. Thanks.
Might be Drive Shaft out of align..... Is the vibration constant or only when you accelerate?? If it's more pronounce when accelerate and/or idling... check distributor caps and spark plug coils....

Good Luck....
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