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  #1  
Old 07-12-2007, 07:09 PM
MJCIZME's Avatar
1991 420sel
 
Join Date: Jul 2007
Location: Sausalito
Posts: 4
Question Worn Rear Tires 1991 420 Sel

Just wondering if anyone has had a problem with the rear tires wearing badly on the inner treads?

I can't take my car on long trips because the tires seem to get too hot and blow out after a long distance...like 400 miles of straight driving.

I know that when I go over a sharp bump in the road, I hear a banging noise coming from the rear of the car, but when I am accelerating hard and hit a bump (like coming out of a driveway going over a gutter)...there is a loud banging noise from the rear of the car that sound horrible....as if something is hitting the body of the car.

I have a feeling that there are worn bushings. It also has this terrible bounce in the rear end if I'm on the highway...depending on the dips in the road...it will bounce enough to scrape the tailpipe.

hhhmmmmm
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  #2  
Old 07-12-2007, 08:56 PM
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Join Date: Nov 2002
Posts: 1,557
If you are not mechanically inclined and don't know how to fix this now, I would not drive it until you can afford to have a shop fix it.

If it is banging that much and the tires are wearing like that, you have big problems that could cause an accident and hurt you or somebody else or both.
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  #3  
Old 07-12-2007, 09:10 PM
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Join Date: Feb 2002
Location: St. Louis, MO
Posts: 340
Get the rear end aligned....

and have the suspension components checked at the same time. Dealer should charge about $100 for this.
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  #4  
Old 07-12-2007, 09:16 PM
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I would not take a 16 year old car to any dealer. Unless you have a bottomless pit of money.

A recomended Indy will do the work needed for a lot less money.
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2009 ML350
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1996 SL600
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1997 C280 Sport
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  #5  
Old 07-12-2007, 10:33 PM
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Zero
 
Join Date: Nov 2002
Location: Milford, CT
Posts: 19,318
Your rear suspension is shot, its commen on older MB's. Have a shop fix it its probably a number of worn parts.

I wouldn't bother with an alighnment, if the rear tires are wearing that badly all you have to do is look at the car to know something is up.

I'd start with new:
Rear shocks
springs and shims
diff mount
sway bar bushings and links.

Then take it from there, some of the subframe bushings are probably worn as well.
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  #6  
Old 07-13-2007, 05:05 AM
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dieselarchitect
 
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 38,932
I agree that there are worn parts at least and that an alignment is not going to help until those parts are replaced.

But I would not assume that all parts just be replaced wholesale, I would get it appraised by a competent shop to see what needs replaced.

Tom W
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