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  #1  
Old 12-09-2006, 04:29 PM
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1997 W210 E300TD 243,000
 
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Control arm bushes, W210

Don't suppose anybody has changed these, and would know how long/difficult a job it might be?

Mine are looking a little bit worse for wear, and I've got a slight shimmy at about 60mph on the front wheels.

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  #2  
Old 12-09-2006, 05:34 PM
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If you do a search under " LCA bushings ", you'll see lots of threads.
Just don't call them " bushes ", you may not find anything.
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  #3  
Old 12-09-2006, 10:37 PM
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A slight shimmy at about 60 MPH is not generally control arm bushings...

Your issue is most likely balance, tires or rims.


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Last edited by whunter; 12-14-2006 at 08:13 PM.
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  #4  
Old 12-10-2006, 06:18 AM
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1997 W210 E300TD 243,000
 
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Wheels have been balanced just a few days ago, tyres are pretty new Continentals, discs are brand new MB OEM, engine mounts brand new.

The bushings don't look great.
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  #5  
Old 12-12-2006, 12:03 AM
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Quote:
Originally Posted by Parrot of Doom View Post
Wheels have been balanced just a few days ago, tyres are pretty new Continentals, discs are brand new MB OEM, engine mounts brand new.

The bushings don't look great.
Look for uneven wear on the tires.
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Old 12-14-2006, 04:49 PM
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1997 W210 E300TD 243,000
 
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Thanks. Its a strange one, I drove 30 miles yesterday and 30 miles back and the balance was almost perfect.

I know that the wobbling can vary depending on the position of the wheels relative to one-another (ie long sweeping bends on a motorway/highway will make it better/worse), but it seemed almost perfect last night.

The back end doesn't change much, a constant thrum-thrum-thrum noise - but not an obvious thrumming, its almost as though the tyres have a blister but I know they're all fine. I'm pretty certain its not wheel bearings as I can't see bearings making the back end vibrate to any degree.

Weather permitting I'll inspect the transmission mount and the propshaft mounts tomorrow, to see if anything is amiss.
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  #7  
Old 12-14-2006, 06:06 PM
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I beg to differ with comment above -

bad front lower control arm bushings can cause the vibration in the steering of a W210 at about 60 mph. I fought this problem on mine for several months until I insisted that dealer put car on rack and test bushings with large pry bar. They were very soft. Put in new arms/bushings after dealer broke bushing press trying to get the old ones out and problem was gone. That was 40K miles ago.
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Old 12-18-2006, 09:41 AM
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Depending on who did the balancing, it might still be out. The other source of thrum-thrum kind of noise is a tire that's out of round. A lazy tire shop balance person might not bother to look at that or fail to alert you to it. And the tire will still be balance-able even if it's a little out of round.
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Old 12-19-2006, 08:12 PM
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1997 W210 E300TD 243,000
 
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Its definitely not the tyres. They've been balanced at 3 garages, the problem persists. Even on new wheels.
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  #10  
Old 12-19-2006, 11:16 PM
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Get the bushings in the front lower control arms checked. The amount of wobble you get will be temperature sensitive - on really cold days the rubber will stiffen up and the problem will be less noticeable.

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