One problem related to crankcase (pcv) has been reported for the 2000 Mercedes Benz 320. The most recently reported issues are listed below.
Crankcase sensor failed suddenly causing lost power while on I-81 in willkes-barre, PA in heavy traffic. Since on a downhill was able to get to side of road. Was unable to restart car and had it towed off road by aaa. Had car fixed at motorworld in wilkes-barre.