
Welcome to Extrema Ratio, where passion meets precision engineering to transform the iconic G-Class into a masterpiece of customization and performance. Specializing in converting G-Class vehicles into stunning 4x4 "Squared" and breathtaking 6x6 versions, as well as crafting exclusive convertible variants, we stand at the forefront of automotive innovation.
Our mission extends beyond mere modification; it is a rebirth of automotive art. Each vehicle that leaves our workshop is a tribute to its legacy, enriched with modernity and an unmistakable aesthetic. Our dedication to quality sees us also restoring vintage G-Class vehicles, returning them to their original glory with a touch of modernity.

Italian Craftsmanship, Swiss Precision
Italy is our canvas, Switzerland our studio. We produce parts using the finest Italian metals and woods, renowned for their quality and durability. These components form the foundation on which we build our dream, piece by piece, until perfection is achieved.
The final assembly and creation process takes place in the heart of Switzerland, where precision and attention to detail are the pillars of our philosophy. This unique combination of Italian craftsmanship and Swiss precision allows us to offer unparalleled vehicles, designed to exceed every expectation.
Commitment to Excellence
We believe that every G-Class deserves to be as unique as its owner. That’s why we offer customization options that go far beyond the conventional, ensuring that each vehicle reflects the personality and lifestyle of its owner.
Innovation is at the core of everything we do, but we always respect and honor the Mercedes-Benz legacy. Our expertise and dedication to excellence have made us a benchmark in the luxury conversion industry, with clients who recognize the value of uniqueness, quality, and uncompromised performance.
