I have a biased opinion here, so I'll say that up front. The experiences I've seen people have with Volvo's, and being the car guy among my friends, meaning that I help people work on their cars, I think that for most people after a while driving a later model Volvo they will come to a point where they want to go get their shotgun and shoot it.
Of all the posts here, I would listen to Steve Brotherton and keep in mind the MASSIVE experience he has with Benz and other automobiles.
Good luck, whatever your decision,
'84 Euro 240D, 523K miles
'88 300E 5 Speed
'81 300D Daughter's Car
Over 800,000 miles in