1985 230ce PURCHASE SOON

[Seadog230ce]

My first of many post, I hope... and depanding on your advise.

Subject MB 230ce is for sale, no rust, AC is cold - does not blow, sways hard on curves, transmission jerks noticably going into 2nd and 3rd, sqeeks at front right during norming driving, rain enters through windows - gasket failing (are gaskets available?), paint job has faded on roof and trunk. This is what I experienced while test driving. Seller asking $3,500. Can anyone offer any guidance in helping me offer or paid the fair price? I like the 230 coupe... It's euro and parts/repairs can be difficult and in some cases impossible? This is what I'm told.

Does it sound like the tranny is getting ready to go... what about a rebuilt? Can additives save it? or is this normal? What is the estimate cost of tranny replacement? It has 95K on the OD.

Any help is appreciated... Thanks