Mercedes GL-Class is a car that looks amazing in its standard version, but with a few modifications it just became incredible. The work has been made by the German tuner Kicherer who called their package GL 42 Sport Black. The package is based on the GL 420 CDI model and includes a significant power increase, but also impressive exterior and interior package.
The 4,2 liter V8 engine has been tuned to deliver an impressive 380 HP (up from 306 HP) and 663 NM of torque. In order to obtain this power increase the tuner is offering a special PowerConverter that sharpens the electronic gas pedal characteristic curve, causing the heavy vehicle to react even more spontaneously to acceleration commands and enabling powerful acceleration from the very bottom. The two end pipes of the two-pipe sports exhaust system give off a deeply evil roar.[...]
Source:
topspeed Tuning