German tuner refines the rogue Mercedes-Benz GL 420 CDI diesel with a matte black foil finish, power boost and a new set of wheels.

German tuner Kicherer has announced the GL 42 Sport Black - based on the Mercedes-Benz GL-Class 420 CDI.

Kicherer takes the massive SUV, currently in the X164 generation, and try to add some finesse to the beast.

They begin with a power boost on the 4.2 liter CDI diesel which dials output on the V8 to 380 PS (280 kW / 375 bhp) and 900 Nm (664 lb-ft) from the series' 306 PS (225 kW / 302 bhp) and 700 Nm (516 lb-ft).

The Kicherer PowerConverter also refines the response curve of the electronic gas pedal for a more springing acceleration.

The tuning kit also features a sport exhaust system with twin pipes at each corner of the rear and a sharpening of the Airmatic suspension.

Wheel set is the Vogue 10 x 22-inch rims wrapped in 295/35R22 tires.

On the outside is also a matte black foil finish and the grille and Mercedes-Benz badges all re-done in black.

A new sport steering wheel is also added.

Gallery: Kicherer GL 42 Sport Black based on Mercedes GL-Class

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