2008 Mercedes-Benz C-Class C300 Sport 4dr Sedan (3.0L 6cyl 6M)
When you buy a C 300,or a 328, or A4, you're buying a good German engineered automobile that delivers sporty and capable driving dynamics without being a performance car, enough features to please most drivers but no luxury amenities (unless you add optionals that will shoot up the price), and comprehensive maintenance/service (every 10k miles or so). It's a very good car that makes me look forward to the E550 or E63 AMG.
Design, cruise control, stereo, handling, pretty good all around.
A little more torque and hp would be nice, look at the 328 for seat comfort (front and back)