For some weird reason, the early '80's Westies are popular "RV's" with Mercedes owners, so I know lots of people with them.
They LOVE them! Even the air-cooled versions. Now, keep in mind that 99% of people use them only in the summer, and not as daily drivers.
If you're not mechanically inclined, forget it. But, for those of us that work on our own cars, the 80's Westies can be a real hoot to own. I am actually considering one right now, and can pick up a decent mid '80's in good shape for under $5K.
If you have to pay a mechanic to do the work, forget it. If not, start looking...