My '89 560SEL has developed an alarming front end vibration. It's somewhat intermittant, generally starts around 50mph and seems to be the right side front wheel.

The vibration stops when I drag the brake a bit, but there doesn't seem to be any wheel bearing play or pad kick back.

When I lift the car to check, everything seems normal and I can't find any play in the ball joints, tie rods, wheel bearings, etc.

I replaced the outer tie rod end (no play, but it seemed a bit more free than the others). I replaced the front shocks at the insistance of my local tire shop.

Any other ideas? Or should I just replace things one by one until I find the problem?

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Tom Gentry
'89 Mercedes-Benz 560 SEL
'96 SVT Mustang Cobra (Mystic #1345)
Life is too short to drive boring cars!