At the end of 2010, Carlsson revealed an impressive tuning package for the new generation Mercedes CLS-Class. Now the tuner has moved on to the most powerful model in the CLS lineup: the CLS 63 AMG.

For the CLS 63 AMG package, the 5.5-liter twin-turbocharged V8 engine has been updated to deliver an impressive 600 HP, up from the standard 518 HP and 516 lb.-ft. of torque. Next to this, the tuner is offering a nifty aerodynamic package that includes a new front spoiler, an RS front spoiler lip (available in real carbon), a new rear spoiler, a rear apron, and a built-in diffuser which functions as a tailplane and ensures extra downforce and more stable road holding at high speeds[...]

Source: topspeed Tuning