The 2009 Mercedes-Benz M-Class includes five models. Each is equipped with a seven-speed automatic transmission. Electronically managed 4ETS full-time all-wheel drive is optional in the base-level ML350 and standard on all other models. Beside that, the primary distinguishing feature for each model is its engine.The ML350, available in 2WD ($45,475) or 4WD ($47,975), is powered by the latest-generation Mercedes 3.5-liter V6, generating 268 horsepower. It comes with cloth upholstery, automatic climate control, automatic headlights, eight-way power seats, sunroof, rain-sensing wipers, Tele-Aid emergency communication, COMAND control interface, an eight-speaker stereo with a six-CD changer, and 19-inch wheels with P255/50R19 all-season tires.
The ML320 BlueTEC ($49,475) is equipped similarly but powered by a 210-hp 3.0-liter turbo-diesel V6 rated at 398 pound-feet of torque.
The ML550 ($56,675) gets the latest four-valve 382-hp V8 and shares the more aggressive front end styling of the ML63 AMG.
Option package Premium 1 ($3,850) adds a rearview camera, voice-control navigation, HD Radio, Sirius Satellite Radio with Real-Time Traffic, iPod/MP3 media interface cable (in glovebox), power liftgate, auto-dimming inside mirror, power folding outside mirrors, memory for driver's seat and mirrors, power adjustable steering column, and a 115v power outlet. Premium 2 ($6,600) combines all of the above with harman/kardon Logic7 surround-sound with 12 speakers, Parktronic parking assist, passenger seat memory, and Keyless Go.