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2004 SL500, 1993 S420, 1990 420 SEL, 1985 500SE, 1994 Toyota Supra Aerotop
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753 Posts
Discussion Starter #1 (Edited)
If you have worn springs in the rear like me (and like 99% of the 126 cars you see out there) then this might be the cause of what appears to be vibration coming from the rear axles or driveshaft on acceleration. I adjusted my SLS to compensate for worn springs (!not what you should do!) so I could test, and man! What a difference! The car handles now and doesn't dive and squat! So just letting everyone know about this.

If you rear suspension is sagging, you're missing out on decent handling and could be getting vibration unnecessarily.

[edit - vibration on acceleration was the issues this fixed as opposed to vibration when just cruising]
 

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1989 300SE
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61 Posts
I get a vibration at about 40 MPH and by 50 it decreases but is still present. Just had 4 new tires put on today.
 

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W124 400E, W126 500SE
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971 Posts
Are you sure it's not the nivelation parts giving up? Worn springs don't cause vibration, but bouncy shocks can do that (and in this case they are just pistons - the shock absorbing part is in the spheres).
 

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Registered
2004 SL500, 1993 S420, 1990 420 SEL, 1985 500SE, 1994 Toyota Supra Aerotop
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753 Posts
Discussion Starter #4
Yeah, should have mentioned, it's vibration only on moderate to high acceleration. I'll edit now. All the rest of the suspension and driveline gear has been replaced.
 
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