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1986 560SEL, 1973 Buick Riviera
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Discussion Starter #1
So apparently the euro-spec W126 sedans (at least the 560) was offered with a hydropneumatic suspension similar to what the 6.9 had. Does anyone know anything about this? Is there any chance that it used the same parts as the 6.9's suspension?
 

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84 300TD, 2005 CDI, 2006 CLS55
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I saw one at my indies and he said he liked the way it worked, but no I do not know if it was the same as the 6.9
 

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Depends on the day!
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13,337 Posts
Can't really say for certain, but I would wager some of the bits are interchangeable. Either way it is a system that is prone to issues if not properly maintained. parts are quite expensive and difficult to come by in comparison to just the rear hydromat set up on all 'standard' 560's.

You'll often find Euro 500's/560's for sale rather inexpensivly if they have the full hydromat as 9 times out of 10 it's failed or has issues.

Jonathan
 

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1986 560SEL, 1973 Buick Riviera
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Discussion Starter #4
I'm well aware of the potential issues with the system (Dad's got a 6.9)... however, the suspension is significantly better than the standard suspension. Much less body roll, for starters. I'd be very interested in converting mine to a hydropneumatic setup when I have some money... [8D]
 

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81' 300SD, 82' 300D
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Has anyone ever seen a 300SD with a hydropneumatic suspension? I think it could be done. All that's needed is a rear suspension and necessary suspension components from a 560SEL equipped with a hydropneumatic suspension and an OM617 engine from a 300TD. That would be pretty nice.
-Joe
 

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1990 420 SEL
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84 Posts
Do you dare to think about it unless you have plenty money to burn.

A heavy Duty Bilstein Shockers costed me AUD $240.00 plus installtion. It is for the front of my 90 420SEL.

The rear is a Hydraulics suspension, so far, I have spent about AUS 4000.00 in the past two years to maintain it (ie new parts from deraler ! )

A lot of people is trying to get rid of it and put Spring & Shocker instead.
 

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H-TownBenzoboy - 4/12/2005 12:23 AM

Has anyone ever seen a 300SD with a hydropneumatic suspension? I think it could be done. All that's needed is a rear suspension and necessary suspension components from a 560SEL equipped with a hydropneumatic suspension and an OM617 engine from a 300TD. That would be pretty nice.
-Joe
To my knowledge, there's never been a 300SD with a hydropneumatic suspension. Reason being is the 300SD was a low end model. Rarely do you see low ends with expensive options. I am sure it could be done, but it will e labor intensive and expensive.
 

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1986 560SEL, 1973 Buick Riviera
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Discussion Starter #9
nckmsn - 4/13/2005 10:49 PM

If I remember right, the 6.9 had air suspension
You're thinking of the 6.3 and the W111 chassis 300SE/SEL it was based on. Those had air suspensions; the 450SEL 6.9 had a hydropneumatic system similar to the ABC system on the current S/CL/SL600.

http://www.intl-m-100group.org/6point9/brochure/suspension/index.html

And as unreliable as it can be if it hasn't been cared for properly, the suspension on the 6.9 is an incredible piece of work, especially for the mid-late '70s. It is, in fact, significantly better than the conventional suspension on the 560...
 
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