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Old 12-11-2000, 01:03 PM
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My newly aquired 1990 500SL (78,000 miles) has had several re-balancings of the wheels in attempting to quiet the ride. At speeds over 70 mph, I continue to get a vibration. Is there anything else besides balance to consider? Or, is it possible to have tires & wheels which cannot be perfectly balanced? The wheels are NOT original equipment, but appear to be MB wheels of newer style, ie 92-94 model year (Identical in appearance to those on my wife's 95 C class.

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Old 12-11-2000, 02:05 PM
need2speed's Avatar
Join Date: Dec 1999
Location: Edmonton, Alberta, Canada
Posts: 1,253
Have you had your M-B dealer check it out? They have dynamic balancing equipment to spin the wheels while still on your car. This was the only way my front wheel high speed vibration problems were cured. It seems Mercedes-Benz found out about this problem and made the dealers get the dynamic balance equipment. I'm assuming the fault is not with the wheels and tires otherwise the ususal static balance would work. Must be a design problem??

Good luck and let us know if they have the equipment and it fixes the problem.
Dean Albrecht
"Lead, follow, or better yet, get out of the way!"E500 owners motto
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Old 12-11-2000, 11:17 PM
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Join Date: Apr 2000
Posts: 530
This procedure is called a "zero-balance". Shouldn't ever be necessary. It only happens with cheap, aftermarket wheels. This is why you should NEVER buy a replica. They all will shake, rattle, and roll at some point. These are expensive cars that are deserving of authentic wheels. Don't be cheap. You'll hate life later on.

Note also that not all MB dealerships have this balancing capability.
1988 Mercedes-Benz 260E
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Old 12-12-2000, 02:29 PM
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Join Date: Nov 1999
Location: Lynnwood, WA, USA
Posts: 178
There are many things that can cause vibration. Bad tires, damaged tires, bended rims, worn suspension, alignment, and etc. Have your tire shop check the trueness of the rims and tires. A lot of the time you can actually see the tire goes up and down or sideway. Good luck.
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Old 12-12-2000, 03:43 PM
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Find a tire shop that has a Hunter GSP 9700 that measures the trueness of the tire on the rim as well as balance.
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Old 12-12-2000, 04:26 PM
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Join Date: Jun 2000
Location: Saugus, CA USA
Posts: 2,042
I had a car that had a brake rotor that was out of balance. When you spun it you could see it was off-center. I had to have that tire balanced on the car, and when it ever came off I had to make sure it went back on the same way.
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Old 12-12-2000, 10:25 PM
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Join Date: Sep 2000
Location: Sherman Oaks, CA
Posts: 4,749
Have you had the tires high speed balanced?

I believe I heard someone else mention that in a post a while back.

On another note, My Friends dad had a 600SEL that would vibrate over 60. in 1994, he had to invoke lemon law. he drove out with a new one after he had taken the car in 7 times over 2 years.

Now this may not apply to you, but I would definately get your suspension components checked out for various things. The bushings in the suspension might be worn.

My old tire shop, which is no longer around, used to skim the tires with a machine. I think that They used to do it to remove the high spots on the tires in the out of balance areas. it would not just sit againstt he tire skimming it down, it would do it in burps when the wheel reached certain out of balance area's. I am not sure what the exact purpose of the tire skimming is for, but I would assume its to make the tires more perfectly round and or flat in the center area. If someone can confirm this, it might help if it hasn't been done.

I would think its either related to the wheels/tires or the suspension.

'92 300CE - Sold
2004 C240 - 744 - C7 Wheels - Android Radio
2002 C320 - 816 - Sport Wagon
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Old 12-13-2000, 05:42 AM
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Consider buying new tires. If the car was sitting down before you bought it the tires may have some internal distortion that will not be fixed by balancing, etc.

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