Originally Posted by sonoronos
Sources? I looked under an '00 R170 SLK. They even look identical.
there are many different versions of the r170, and the ultra base 230 is most likely the same suspension as the crossfire.
230 slk, 230 kompressor, 230 sport, 320 sport, 32 slk, and if you venture over to the german r170 forum there where a couple specialty models listed there.
I would like to research it a little more before stating any facts.