Pros and Cons of these three cars for my first car used Mercedes-Benz, Chevrolet, Volvo?

Hi all,
I'm looking for my first car; wanting a cheap(er) older wagon I found three cars that I
thought fit what I'm looking for. All are priced under $2,000.
This question may be too broad, but if you know anything about any of these three
cars-- pros and cons, personal experience, etc. please let me know.

The first of the three is a Volvo 240 Wagon circa 1988-1993

Second is a 1990 Mercedes-Benz 300 Wagon

And the third is a 1990 Chevy Celebrity Wagon

I'm leaning towards the Chevy Celebrity, but still looking. I've heard that both Volvos
and (obviously) Mercedes-Benz vehicles can be costly to repair. Does anyone know
what kind of problems these specific cars tend to have and perhaps their cost to fix--
plus labor-- I don't know anything about repairing old cars.
I am willing to put in $2,000-$2,500 max. to repair if need be. My family knows a
cheap, reliable independent mechanic who will look at the car before I purchase it, but I
was just wondering if I could get some more opinions on the matter before I talk to him.
Any safety information is also appreciated-- it's hard to find for these older cars.
Thanks in advance, I really appreciate any information!

Also, if anyone can recommend other models that are similar to these please do! In
general, I'm looking for a car
-From 1988-2000
-Preferably station-wagon
-Climate control & heated seats
-radio and CD/ Casette player
-Seatbelts
-Automatic transmission
-More boxy shape
-5-8 seating capacity
-Under $3,500, but can be less+$$ for repairs