The M-Class SUV might be the Swiss Army Knife in the Mercedes-Benz lineup. It isn't so large that it's cumbersome or hard to park, but it comfortably seats five and carries plenty of stuff. As daily transportation, it doesn't feel like a truck, and it won't beat its driver or passengers up. Yet it has the potential for some fairly serious off-road adventuring, and it can tow up to 5,000 pounds. The M-Class is more than powerful enough in any of its variations, with the safety equipment, luxury accoutrements, style and smooth finish expected of a Mercedes-Benz.For 2007, the M-Class line features two new, very different models that will further broaden its appeal: The fuel-efficient ML320 CDI diesel and the ultra-high performance ML63 AMG.Click here to read more