1970 280 se

ya i was wondering if anybody knows much about older mercedes are worth because i have a 1970 280 se coupe 2 door.. basicly the body has no rust but the car doesnt run because in 1980 gramps had a interior fire in it ....in all it does is collect dust. basicly there is no interior used to run .... just debateing to try to sell it or just give it away to a junk yard.. ps someone who knows please reply. thanks