For that price I would just drive it forwards until it dropped. Just think. Park it on a curve and someone will be bound to smack it. Then it has to be worth at least $2499
But in case your interested I have a nice 1980 300SD for about $2499 and the tranny is fine.
1984 280SEL, 62,000 miles
Euro model in the USA
1983 300D (Totaled out 10/2004)
New Factory Mint Green paint
1982 240D (Steak dinner for two)