Model Mix The mainstream model is the V8-equipped CLS500. Buyers looking for the ultimate in performance will want to check out the CLS55 AMG.

As the tenth model in the Mercedes line-up, the 2006 CLS-Class follows the luxury automaker’s pattern of developing sportier models based on existing sedan platforms – in this case that of the E500 sedan. Compared to the E-Class, the CLS-Class is almost 3.5 inches longer overall while retaining the same 112.4-inch wheelbase. It’s also 2.5 inches wider and 2 inches shorter than its E-Class forebear.

Like most models that wear the three-pointed star, the 2006 Mercedes-Benz CLS-Class is offered in two trim levels differentiated primarily by what lies beneath their bonnets. The mainstream model is the V8-equipped CLS500, our test car for a week. Buyers looking for the ultimate in performance will want to check out the CLS55 AMG which gets a fire-breathing 469-horsepower, 5.5-liter V8 along with a lowered suspension, 19-inch wheels, and special bodywork.