I have a problem with the car not staying parked on an incline the car wants to roll back does anybody have any ideas is it the nylon bushing on the shifter

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84 300 Turbo / 320,000
96 E300 D / 55,000

For one, you shouldn't depend on the parking pawl as the only thing holding your car solid on a hill! Adjust your parking brakes to hold your car on hills. Your parking pawl should only be used as a failsafe. Your parking brake should hold the car in neutral on hills.

With that said, how sloppy is your linkage? If the linkage does not have a lot of slop in it, then your parking pawl might be broken, which is what happens when the parking pawl is the only thing holding your car on hills! If it seems to be accurate going into all other gears, then this might be what happened.

Remember the old saying, "The transmission is not a kickstand." Always use the parking brake.

I also had trouble with it starting in park on a flat surface there seems to be a lot of slop in the shifter.

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84 300 Turbo / 320,000
96 E300 D / 55,000

Then it sounds like this is the problem. Slop in the shifter. Your shifter bushings are worn out and need to be replaced. Adjust your parking brakes while your under the car too. The parts you need are right here at fastlane!