Just a year off its 2006-model-year redesign, two new versions of the M-Class debut for 2007. Both diesel and high-performance AMG version are available, but little else is changed M-Class. Eckhard Cordes, head Mercedes Car Group, said current less trucklike in appearance than original promises cultivated performance with full-time four-wheel-drive system. Four trim levels available: ML350 V-6 engine; ML500 ML63 AMG, both V-8 power; an ML320 model, which will fall 2006.