I've noticed that my 1983 300D (210K miles) has developed a vibration when I get to about 50 mph. It usually goes away when I let off the gas, but today I noticed that when steering right (slightly when at speed) I get the vibration while letting off the gas pedal.

Right now I'm torn between thinking it's some sort of issue with the drivetrain (center bearing or flex discs) or an issue with suspension or wheel balance.

Anyone else experience symptoms like this?

Thanks,

Joe

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1983 300D - 314,640 miles (not all by me) - Daily Driver --Sold--
1983 300d - 215,000 miles (approximately)

yup. I just went through that with my 190d.

it turned out to be the tires (broken belts).
of course this was discovered AFTER I did-
the engine mounts, draglink, tie rods, BALANCED the tires too but they had broken belts for some reason.

your problem might be easily solved with a wheel balancing.

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Ben
1987 190d 2.5Turbo