Mercedes-AMG has revealed the GT XX Concept, a 1,360hp electric supercar featuring axial flux motors, direct cell cooling battery tech, and ultra-fast 850kW charging.
Mercedes-AMG has officially revealed the GT XX Concept, a four-door all-electric performance car that previews the brand’s next-generation electric sports sedan. Built on the new AMG.EA platform, the GT XX is the first fully electric AMG developed from scratch and will eventually replace the AMG GT 4-Door Coupe.
Powering the GT XX are three axial flux electric motors—two at the rear and one at the front—developed in collaboration with UK-based YASA, a Mercedes-Benz subsidiary. These motors produce a combined output of 1,360hp (1,000kW), enabling a top speed of over 360kmph. Compared to conventional radial flux motors, axial flux motors are significantly more compact, lighter, and more power-dense, offering greater energy efficiency and consistent high performance.
The setup includes AMG’s fully variable Performance 4MATIC+ all-wheel-drive system with a disconnect unit that deactivates the front motor for better efficiency during regular driving. The rear motors are integrated with a planetary gearset and inverters, while the front motor uses a spur-gear transmission.
One of the standout features of the GT XX is its advanced High Performance Electric Battery (HP.EB), inspired by lessons learned from the AMG ONE hypercar and Mercedes’ Formula 1 program. The battery uses cylindrical cells with NCMA chemistry and a silicon anode, achieving energy density levels of 300Wh/kg. These cells are housed in aluminium casings for improved thermal conductivity and are directly cooled by circulating non-conductive oil around each of the more than 3,000 cells. This direct cooling enables the battery to deliver sustained peak performance and allows ultra-fast charging. Thanks to its 800V electrical architecture, the GT XX can charge at speeds up to 850kW, enabling a 400km range boost in just five minutes. Mercedes-Benz is working with Alpitronic to develop a prototype high-speed charger and expand its next-gen charging network.
In terms of design, the GT XX follows a sleek fastback silhouette with clear nods to Mercedes’ design history. The low-slung bonnet, sharp windscreen, and Sunset Beam Orange paint are reminiscent of the classic C111 concepts.
Measuring 5,204mm in length, it boasts a drag coefficient of just 0.198, achieved through elements like active AIRPANEL louvers, an underbody diffuser, and a Venturi-effect rear design. AMG’s Panamericana grille has been reimagined with a concave shape and light band, while rectangular auxiliary lights and vertical main headlights lend a futuristic edge. The car rides on 21-inch aero wheels with electronically controlled blades that adapt to improve cooling or aerodynamics as needed.
At the rear, six circular taillamps and a massive exposed carbon fibre diffuser hint at the AMG ONE’s influence, while the MBUX Fluid Light Panel with over 700 RGB LEDs can display animations and text.
Another innovation is the integration of exterior speakers into the headlight housings, allowing for dynamic EV sound profiles and acoustic alerts for pedestrians while saving space. A rear soundbar uses passive membrane technology to improve bass response without adding unnecessary weight.
Inside, the GT XX adopts a race car-inspired layout with luxury cues. The cockpit features a mix of black, orange, and silver, with carbon fibre bucket seats made using LABFIBER Biotech Leather Alternative sourced from recycled GT3 tyres. The door handles are wrapped in a bio-silk alternative, showing AMG’s push toward sustainable performance materials.
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The dashboard and centre tunnel reveal exposed aluminium structural supports and orange piping reminiscent of high-voltage cables. Ahead of the driver are two floating screens—a 10.25-inch instrument display and a 14-inch infotainment screen—running the latest MB.OS with AMG-specific interface. A yoke-style steering wheel inspired by the AMG ONE includes LED indicators for performance feedback and paddle shifters for energy regeneration.
The rear seat section integrates carbon-fibre racing seats into the vehicle bulkhead and omits a headliner, further reducing weight and exposing the car’s structural carbon elements. Biotech leather alternatives and sustainable materials are used throughout the cabin, aligning with AMG’s new-age vision of eco-conscious performance.
Set to go into production in 2026, the GT XX will be the first vehicle to launch on Mercedes-AMG’s dedicated EV platform. Its advanced electric motors will be produced at the Berlin-Marienfelde facility using over 100 newly developed production processes—65 of which are new to Mercedes-Benz and 35 considered industry firsts.
