 luxurious ride yet sharp handling, smooth and powerful yet efficient engine, efficient all wheel drive, craftmanship and styling; Incredible engineering achievement that grows on you with every mile and challenging road traveled; able to deliver traditionally mutually exclusive qualities:adaptive air suspension gives you flat cornering and sports car like reflexes with an S-class like ride quality; biturbo V8 engine pulls, revs, and hangs at the throttle like a sports car engine yet delivers routinely real world 28 mpg on spirited long distance highway/country road driving in a 4wheel drive 4200 pound car; the most impressive Mercedes in a generation !