First, the wiring harness is not that big of a deal to remedy. There are many other more expensive, pita systems. Think how much the dealer would get for it if they had to liquidate it via wholesale or whatever they do with trade in cars they can't sell. If you want the car, make it worth their while but don't pay more than you should. Be up front; Ask what their price point is selling it to you vs. liquidating it. If you're really handy, then the 140 could be for you. If you pay for diagnosis, repair, and general maintenance, I would really think twice before getting into a late model 140. The core systems are robust but there are lots of expensive, secondary systems that give problems. Exhaust system goes early from lots of shorts trips and never really being driven hard.

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Michael

1988 300 SL (5 Speed)
1994 E320 Wagon
1997 C230