Ryan:

Yes, the shifter bushings missing can make the safety switch act up, just like it can make you think you are in one gear and are actually in another. However, if you replace the bushings (a pain in the butt) and the problems persists, you will need to replace the switch.

On my 220D, I have trouble getting the starter to work in park, then in neutral, then it won't work at all. I jumpered the switch the last time, until I can get the garage clear (something about restoring my brother's 300D). Not a good idea, as I have already started the car in drive once.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!