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  #1  
Old 02-04-2013, 10:35 AM
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1991 w126 560SEL Suspension getting soft

What to do? I'm still trying to get the hydraulic pump for the SLS syspension repaired. Bought a repaired pump on ebay but looks like it's still leaking oil.

The suspension feels really soft. There's a lot of body roll over rough pavement. Not to mention potholes. I can go over the smallest imperfections on the road and the car would bounce and roll excessively.

What's the best course of action to tackle this problem? Does any of the rubber bushings need replacement?

What about changing the SLS to a regular shock?

Anyone know a good reputable place in southern california? Preferably with reasonable prices.

Much obliged!

Theo

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  #2  
Old 02-04-2013, 10:49 AM
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That's what my wife says.
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  #3  
Old 02-04-2013, 11:27 AM
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Location: N. California./ N. Nevada
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Smile Where to go.

Sounds like the accumulators on each side of ther rear need to be replaced. I think those little cannonballs cost about $300 each, not more than that...

Take it to the best shop there is in Los Angeles, MR MB Motors, Enrique Rodriguez is the best guy going, for this. He knows these cars inside out.
In fact his personal shop car is a 1989 560SEL! VERY reasonable rates too!!! They may still be @ $80 p h AND HE WON'T FIX ANYTHING THAT DOESN'T NEED IT. He told me that if he did that would be to him like cheating his customers.


He retired as the Service Mgr of Mercedes Benz of Beverly Hills back in 1986 and not long after that opened his own shop! Impeccable credentials for sure.

http://www.peachparts.com/shopforum/california/144503-mr-mb-motors-tarzana-ca.html

I am a years-long loyal ultra-long distance customer of his.


I flat bedded my 1991 560SEC to him for its new motor refresh and install, just a bit over a year ago, and it's running great.



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1991 560 SEC AMG, 199k <---- 300 hp 10:1 ECE euro HV ...

1995 E 420, 170k "The Red Plum" (sold)

2015 BMW 535i xdrive awd Stage 1 DINAN, 6k, <----364 hp

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Last edited by Jim B.; 02-04-2013 at 03:24 PM.
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  #4  
Old 02-04-2013, 01:20 PM
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Available on this site for just over $100 ea. Site says cannot be shipped, but htat may be an error. I think they can only be shipped via ground transport. (picture a bunch of little factorys at each dealership making them!). Be sure to get the correct color dot for your car.
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  #5  
Old 02-05-2013, 08:32 AM
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If the diaphragm ruptures the ride goes really hard, this sound like a loss of N2 on the gas side of the diaphragm. Replace both on the same axle for sure.
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  #6  
Old 02-05-2013, 12:21 PM
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By diaphragm you're referring to the accumulators, right?
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  #7  
Old 02-21-2013, 09:15 PM
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Update:

Turned out the refurbished pump I got from Mike here didn't leak but the high pressure tube failed. So it's been leaking from the tube.

Will be replacing the complete front end to bring the suspension back to its former glory.

Hopefully the diaphram still holds.

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