A 6.0-liter bi-turbo V-12 sits under the shapely CL65 AMG’s hood, making an impressive 612 horsepower between 4,800 and 5,100 rpm and an astonishing 737 lb.-ft. of torque between 2,000 and 4,000 rpm. Mercedes says acceleration to 60 mph takes less than 4.5 seconds, the rear wheels receiving power through a 5-speed AMG Sportshift transmission with paddle shifters. Other hardware upgrades include an AMG sport suspension with Active Body Control and a performance braking system with brake assist and Pre-Safe technologies.