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78' W123, 00' W163, 05' W211, 89' RRC
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152 Posts
Discussion Starter #1
i know that i have the hydraulic rear suspension on my 94 s500, but lately it has stopped riding like a benz and more like a lincoln towncar with a dead air ride. Does anyone know what my problem could be, befor i get raped with mechanic charges?
 

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SEC 600 V12 2dr COUPE (RHD) One of the chosen few.
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2,233 Posts
Probably your spheres are shot.. look on this forum for instructions.. have you done the weight test... Car on level ground.. engine running .. get two large people to sit in the trunk watch deflection downwards.. Benz should recover level setting in less that 60 secs..if not spheres suspect.. we assume you have checked the fluid level..
 

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78' W123, 00' W163, 05' W211, 89' RRC
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152 Posts
Discussion Starter #3
I have checked my fluid, and it reads full. I have done the large person check and the car just stayd on the ground. If it does turn out to be the spheres, about how much should they cost to repair or replace?
 

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SEC 600 V12 2dr COUPE (RHD) One of the chosen few.
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2,233 Posts
Ok you had better talk to one of your colonial friends.. I am on the other side of the pond.. however you could look here
http://mercedes.thebenzbin.com/?year=1994&make=MB&imageField22222.x=32&imageField22222.y=14
or
http://parts.*/

Have fun its not brain surgery.. and no-one dies if you get it wrong..
 

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78' W123, 00' W163, 05' W211, 89' RRC
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152 Posts
Discussion Starter #5
Thanks[:D]
the prices are alot cheaper than i figured
 

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Premium Member
1997 S600 (sold)
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4,660 Posts
I believe the spheres only provide some of the spring action

of the suspension. They contain a nitrogen gas reservoir which acts like a spring supporting some of the weight of the rear. I think failed diaphragms in the spheres usually results in a suspension that gives an extra rough ride since part of the spring has been removed from the system.

The self-levelling is regulated by a valve which is operated by a lever attached to the rear suspension anti-roll bar. Maybe this linkage or the valve is at fault.

Brett
 

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92 500SEL to 01 E320T current 2014 lexus LS460
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3,886 Posts
$325 at an independent $400 at MB, messy job. Early on its spongey, when all the air is out it becomes rock hard and destroys the struts.
 
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