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Re: 4-wheel SLS
Biocruzer Offline

Posts: 10
Joined: Jul 2014
Location: Australia
Smile  Re: 4-wheel SLS
Hi, all.  It may be a dumb question, but I'm wondering if anyone has experimented with putting SLS on the front end of a W123, too.  If it makes such a great difference to the rear, could it work for all 4 wheels?  I remember driving Citroens back when, and the hydro-pneumatique suspension was self-levelling, active (corner levelling), and manually adjustable for height.  Bit quirky, but that's Citroens  Big Grin - maybe teutonic engineers put it in the too-hardt basket, but it could be an interesting project...
02-28-2016, 06:22 AM
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NZScott Offline
HX30W 73/44mm

Posts: 379
Joined: Jul 2014
Location: New Zealand
RE: Re: 4-wheel SLS
I was interested in doing this too at one stage. The 6.9 W116 had it on all fours and so did some 190s I believe. I was wondering if (or how it would compare to) air bag suspension kits, which to me would be hell of a lot cheaper to do than say the W109 factory air bag system and the $$$ that costs in parts.

1978 300D, 373,000km
OM617.912 with a Holset HX30W, 7.5mm IP, 711.113 5 speed (awaiting certification to be legal...)

1977 250 270,000km (parts car)
1977 300D (ex 280) 500,000km 'new' DD

02-28-2016, 11:32 PM
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Dark Hawk Offline
TA 0301

Posts: 50
Joined: Dec 2015
Location: Cedar Rapids, IA
RE: Re: 4-wheel SLS
Ya when I saw the title to this thread what immateriality came to mind was air bags.
1984 300d 132k restormod project in the works
1985 300td 300k $600 off road adventure project
1999 land cruiser  235k, 33" mud tires, off road, towing, hauler
03-03-2016, 01:44 AM
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zacharias Offline

Posts: 16
Joined: Apr 2011
Location: Aylmer, Qc (Canada)
RE: Re: 4-wheel SLS
This was actually available as a factory option on w123s, though it's extremely rare and usually seen in Europe.

I have only seen one car so equipped here. It went through one of the high-end Los Angleles dealers on eBay many years ago. It was a black sedan and appeared to be NA spec.

I have no idea if a front SLS setup could be adapted to the existing mount setup or if mods or additional parts would be required.
06-27-2016, 02:18 PM
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