1985 Mercedez benz 500SEL

I lost the key need to be tow battery is dead but you can jump start it car runs n drives been parked for a year or so new muffler some rust . i got snow on my yard nowCAR RUNS AND DRIVES IF YOU GET A BATTERY AND A WAY TO START IT I DONT HAVE THE KEY CLEAN TITLEALL SALES ARE FINALPICK UP ONLY