At the heart of the car, we find AMG’s new 5.5 liter twin-turbo V8 powerplant that delivers 518 hp and a maximum torque of 516 lb-ft (700 Nm). However, the customers can also choose an optional Performance Package that brings the output to 550 hp and 590 lb-ft (800 Nm) of torque.
The engine is matted with an Speedshift MCT seven-gear automatic gearbox and manages to take the vehicle past the 62 mph (100 km/h) mark in 4.4 seconds offering it a top speed of 155 mph (250 km/h). As for the Performance Package version, this deals with the 0 to 62 mph sprint in 4.3 seconds and can reach a top speed of 186 mph (300 km/h). Both incarnations of the engine return a fuel efficiency of 16 mpg (14.7 l/100km) for the city and 21 mpg(11.2 l/100km) for the highway.
The vehicle is fitted with and Independent AMG Adaptive Suspension that uses wheel struts at the front and and an air system at the back, coming with automatic ride control and adaptive damping. The driver can choose between three settings: “Comfort”, “Sport” and “Sport plus”.
In addition to that, the front axle comes with a 0.94 inch wider track. Mercedes chose to fit the vehicle with 19-inch rims that uses 155/35 tires for the front axle and 285/30 for the rear one.
The CLS63 AMG is scheduled to enter the U.S. market in the summer of 2011, with Mercedes introducing a “Launch Edition” that will offer a matte gray paint, with an interior that will use carbon fiber and piano black trimming.
You can get the full details of the vehicle in the press release below (PDF file).