Feck it! I would'nt bother. A 500 mile journey home in a car you know vitually nothing about is a big risk. Imagine if you ended up having to tow it most of the way home! ££££££££££££££££££££££££
While 2.5 Cossies are not everywhere they are not so rare as to not wait a while for a better example. Where in UK are you?
heres a promising 2.5
http://s14.invisionfree.com/mercedes_190_club/index.php?showtopic=124 and
http://www.impecunious.net/
Mike.