
The 2027 Mercedes-AMG GLS 63 is set to refine its potent twin-turbo V8 powertrain, raising the bar for technology and comfort to maintain its stronghold in the premium three-row performance SUV market.

Mercedes-Benz is preparing the 2027 GLS63 AMG, focusing on mechanical refinements and updated onboard technology. The flagship performance SUV maintains its core identity, blending high-output capability with the refinement expected from the Affalterbach brand.
| Category | Specification |
| Engine | 4.0L V8 Biturbo with EQ Boost |
| Horsepower | 603 hp (estimated) |
| Torque | 627 lb-ft (estimated) |
| Transmission | 9-speed AMG SPEEDSHIFT |
| Drivetrain | 4MATIC+ All-Wheel Drive |
| 0 to 60 mph | 4.1 seconds (estimated) |
| Top Speed | 174 mph (electronically limited) |
| Fuel Economy | Not yet released by manufacturer |
| Range | Not yet released by manufacturer |
| Starting MSRP | Awaiting official announcement |
| Arrival Date | Late 2026 or early 2027 |
Observing the evolution of this SUV highlights how German engineering continues to balance high-displacement performance with modern efficiency standards. Here is what to expect from the upcoming update.
The 2027 GLS63 AMG arrives with expectations of subtle visual refinements, retaining the imposing stance that defines it in the full-size luxury SUV segment. The signature AMG grille will likely receive minor updates to optimize airflow and aerodynamic efficiency.
Under the hood, the twin-turbo V8 remains the centerpiece. Engineers are expected to prioritize power delivery refinement and the integration of an updated mild-hybrid system, ensuring responsive acceleration and effortless highway passing power for such a substantial vehicle.
Inside, technology takes center stage with an updated MBUX system, promising more intuitive interfaces and expanded connectivity. Comfort remains a priority, utilizing premium materials to elevate the experience for occupants during long-distance travel.
The high-performance SUV segment remains intensely competitive, with rivals constantly challenging the balance of utility and sportiness. Mercedes-Benz continues to position the model as a benchmark for buyers requiring three-row seating without compromising performance.
Official pricing and technical specifications should emerge closer to the vehicle’s market arrival. For the latest updates on new automotive releases, stay tuned to current industry reports.
15/06/2026