A CLS500 is powered by a 302-horsepower, 5.0-liter V-8 while a CLS55 AMG features a supercharged 5.4-liter V-8 generating 469 horsepower. For 2006, the Mercedes-Benz M-Class receives its first ...
the CLS 350 and CLS 500 (although a CLS 55 AMG is waiting in the wings), and on the face it the 500 seems the obvious driver's choice with its 5-litre 306bhp V8. Mercedes has put a lot of effort ...