Everything was fine, no warning, no noises.
My wife reversed out of a parking spot, went for D, and nothing.
After that no P no R no D. If you put it in Park, it will still roll back.
No stange noises, sounds like the tranny is working, but driveshaft not turning. Thought it might be the flex disc, but I suspect that would make ton of noise and at least some waning.
BTW tranny fluid level is perfect, no burning smell and it's a low mile car.

Thanks for any tips you might have.

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1986 300GD, G-wagen with OM617A
1988 250GD, G-wagen with OM602A