Thankfully those parts (even new) aren't as expensive as on the newer MB's! A lower control arm is about $220 + a ball joint $30 + new shock $80 + upper control arm (possibly) $100.....plus labor....probably in the $800-1000 range all said and done.

I don't let my wife use my car.

__________________
-diesel is not just a fuel, its a way of life-
'15 GLK250 Bluetec 118k - mine - (OC-123,800)
'17 Metris(VITO!) - 37k - wifes (OC-41k)
'09 Sprinter 3500 Winnebago View - 62k (OC - 67k)
'13 ML350 Bluetec - 95k - dad's (OC-98k)
'01 SL500 - 103k(km) - dad's (OC-110,000km)
'16 E400 4matic Sedan - 148k - Brothers (OC-155k)