Not that I know of..I had an 87 SEL w/ the anti dive/squat...didn't appear to handle any better then my current crop of SEC's (all have/had H&R's etc..)

Jonathan

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Blue Ridge Mercedes
Jonathan Hodgman
http://www.blueridgemb.com/
Enthusiast Service, Restoration & Tuning.
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Located in the Atlanta area
Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines.
Mercedes Repair Atlanta