I recently put HDs at all 4 corners on my '92 300D. I also upgraded to 16" X 7.5" wheels with 215/55-16 tires (yes I know they're too tall-will be replaced w/ 225/50s). Before the HDs the car was way too uncontrolled, especially at higher speeds (65mph+) and felt too softly sprung. With OE 15" wheels and the HDs, the damping was clearly more aggressive, and rebound quicker. Diminished ride quality a small bit, but assuredly worth the payoff in control. Still too softly sprung, though.

Now, when I installed the 16s EVERYTHING improved, and I don't quite understand why. Ride quality's slightly improved (near OE now), damping is perfect, body roll is diminished and the springs feel about right (for a luxury-oriented car).

Just my $.02...hope it helps.

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"If God had meant for us to walk, why did he give us feet that fit car pedals?" Sir Sterling Moss

Michael
2014 E63S Estate
2006 SLK55
1995 E500
1986 Porsche 944 turbo