All new for 2006, the Mercedes-Benz M-Class takes a giant step forward with a flattering new design and overall improvements. Two models are available: The ML350, powered by a 268-horsepower V6, and the more powerful ML500 equipped with a 302-horsepower V8. Both models run power to all four wheels through a seven-speed automatic transmission. Mercedes continues the combination of luxury, utility and practicality in the 2006 M-Class.