The Mercedes-Benz X-Class may not have been around all that long, but the folks over at Carlex Design have already released a handful of extreme body kits (including a Maybach-inspired version) for the Stuttgart-based brand’s bakkie. But this latest "X-Class Exy 6x6 Concept" takes things to the next level.

Yes, the Poland-based tuner's "Pickup Design" division is in the process of building a six-wheeled X-Class with a suitably lengthened loadbed. Though technically still a concept, there’s little doubt the firm will eventually put it into (likely limited) production.

While Carlex Design hasn’t yet released much in the way of technical information, it seems likely the 6x6 concept is based on the X350d 4Matic, which employs a 3,0-litre V6 turbodiesel worth 190 kW and 550 N.m.

As you can see in the accompanying images, the tuner has handed the Navara-based X-Class not only an extra axle, but also extreme off-road rubber, widened fenders, unique panels above the two rearmost axles, dual-exit exhausts and a bold X-motif on the tailgate (which also gains a cheeky spoiler).

Up front, you’ll find various new items, including larger air intakes a fresh grille, a bonnet protector, a bonnet vent and even a winch, while a large LED lightbar is mounted on the roof. In short, it looks something more like the original X-Class concept … just with two extra wheels.

With bated breath we wait...