2012 Mercedes-Benz CLS 63 AMG at a glance

2012 Mercedes-Benz CLS 63 AMG

Base price: Not yet announced (estimated $100,000-plus)

Powertrain: Spray-guided direct fuel injection with piezo injectors; 5.5-liter bi-turbocharged V-8; four valves per cylinder; seven-speed automatic with speed shift

Horsepower: 550 at 5,750 rpm

Torque: 590 pound-feet at 2,000-4,500 rpm

Wheelbase: 113.2 inches

Overall length: 196.7 inches

Curb weight: 4,123 pounds

Top speed: 186 mph

0-60: 4.3 seconds

EPA fuel economy: 16 mpg city/21 mpg highway

Final thoughts: Glorious performance