1992 Mercedes-Benz 300SD Q&A

1992 Mercedes-Benz 300SD Question: please help me out love this car

when i put the car in reverse the engine revs up and jerks in to reverse. also the ac or heat wnt blow out the vents -
Answer 1
Honestly it sounds like you need a transmission. You can either get a used one from a junkyard or have yours rebuilt -