A couple things:

-it look sleek its missing rear hatch interior panel
-I can't tell what that can is in the passenger footwell is but if its Ether be VERY cautious. It sound alike he's been running veggie oil so the rings could be gunned up causing low compression
-this car uses the evil servo climate control system. Ensure that the hear changes from hot to cold and that the vents will also change from defrost to floor. If not plan on spending at least $1000 to get the climate control working. Or better yet you could swap the manual climate control form your 240D to the wagon.

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2004 F150 4.6L -My Daily
2007 Volvo XC70 -Wife's Daily
1998 Ford F150 -Rear ended
1989 J-spec 420SEL -passed onto its new keeper
1982 BMW 733i -fixed and traded for the 420SEL
2003 Volvo V70 5 Speed -scrapped
1997 E290 Turbo Diesel Wagon -traded for above
1992 BMW 525i -traded in
1990 Silver 300TE -hated the M103
1985 Grey 380SE Diesel Conversion, 2.47 rear end, ABS -Sold, really should have kept this one
1979 Silver 300D "The Silver Slug" -Sold