In the entry-level S-Class, creature comforts come standard. It has a hands-free communication system, six-disc CD changer, memory card slot (for digital-music files), and can go from zero to 60 in 5.4 seconds.

Engine: 5.5-liter, 32-valve V-8
Horsepower: 382 at 6,000 r.p.m.
Torque: 391 foot-pounds between 2,800 and 4,800 r.p.m.

You get all the features of the entry-level S550, plus 4matic all-wheel drive to brave snow, rain, or any other extreme weather.

Engine: 5.5-liter, 32-valve V-8
Horsepower: 382 at 6,000 r.p.m.
Torque: 391 foot-pounds between 2,800 and 4,800 r.p.m.

The kitchen-sink model—every extra imaginable, plus power. A V-12 engine, 18-inch alloy wheels, heated seats, and four-zone climate control come standard. And there's the infrared night driving system, the electronic parking aid, and more.

Engine: 5.5-liter, 36-valve bi-turbo V-12
Horsepower: 510 at 5,000 r.p.m.
Torque: 612 foot-pounds from 1,800 to 3,500 r.p.m.

The ultimate S-Class (at more than twice the S550’s price), it’s the fastest and most powerful of the line, with twin turbos and more horsepower than a Dodge Viper. Usually purchased by people who collect high-end cars.

Engine: 6-liter, 36-valve V-12 with a single overhead cam
Horsepower: 604 at 4,800 r.p.m.
Torque: 738 foot-pounds between 2,000 and 4,000 r.p.m.

For unabashed auto geeks who want an incredibly fast car that has a naturally aspirated, hand-built engine (complete with a plaque featuring the builder’s name) and handles in a sportier way. Accelerates from zero to 60 in 4.5 seconds.

Engine: 6.3-liter, 36-valve V-8 with dual overhead cams
Horsepower: About 518 at 6,800 r.p.m.
Torque: 465 foot-pounds at 5,200 r.p.m.