Debi,
I agree with the Majority on this one. I am a 20+ veteran tech and have pretty deep pockets to play "Raise The Titanic" with resurrection of my two Mercedes.
You are better off looking for a "Ready to Drive" well maintained Mercedes than to try and resurrect one your self. I see very nice examples of these for 1500-2000 all the time. (A fraction of what I have spent on the interior restoration of my 280 alone ) I would get a 123 body if you prefer a diesel. They in my opinion are proven the finest, most affordable Mercedes diesel to own.
Regards,
Bryan