I'm really glad you posted this thread - I picked up an '83 300d a few years ago that had also taken a hit to the front. I originally intended to part it out (wanted the drive train) but decided it was too nice. So recently I replaced enough of the crashdamaged parts to get it running again - alternator and its mount; radiator; oil cooler; fan and fan clutch; and thermostat housing. She started right up and sounds really sweet. Idles smoothly, no smoke and seems to have plenty of power. Nnext set will be to mount the new hood and fender (or rig up some kind of jig or markers) and deal with straightening or replacing the core support. I think I'll try the ratchet - strap method first - certainly couldn't hurt and might have incidental benefit of straightening the slightly buckled right inner fender, too.

I have a portapower hydraulic pump that I got on that auction site for a home-made pop-tester (works great and was stupid simple to build); might be a good idea to get some of the attachments and goodies the body shop guys use with those things. Not sure where to tie on the ratchet strap, or from where to push or pull, but I suppose it will become self-evident if I'll just get up out of my armchair and out to the barn.

Mice got to the interior during the time the car was receiving no love but I have a couple of other parts cars to scavenge from - better rescue the usable interior bits before the mice get to them too.