hi jb and welcome to m.b.shop! BEWARE it is addicting.
do a "search"on "sportline supension". you will get tons of info and or contact member "jce" . he added it to his car and loves it!!
i don't know what your budget is, but i think the stuff would be in the neighborhood of $2000. it would also be oem mercedes, that would make your car more desireable IF you sell it.
there are also options of course.
*92 400e 124.034, SOLD
*92 300e 124.030, SOLD