The Mercedes-Benz G-Class has long been an icon, synonymous with rugged capability, luxurious interiors, and timeless design. The 2025 Mercedes-Benz G 550 SUV continues this legacy, blending legendary off-road prowess with modern engineering and opulent comfort. Prospective buyers and automotive enthusiasts alike are eager to learn about the detailed specifications that define this remarkable vehicle. Let’s delve into the key specs of the 2025 G 550, exploring its engine performance, dimensions, and highlight features.
Engine and Performance Specifications
At the heart of the 2025 G 550 beats a potent 3.0L inline-6 turbo engine, enhanced with hybrid assist and an electric auxiliary compressor. This advanced powertrain delivers a robust 443 horsepower at 6,100 rpm and an impressive 413 lb-ft of torque. The result is exhilarating performance, propelling the G 550 from 0 to 60 mph in just 5.3 seconds. This blend of power and responsiveness ensures a dynamic driving experience both on and off the road.
Dimensions and Capacity
The 2025 G 550 maintains its commanding presence with substantial dimensions that contribute to its spacious interior and off-road capability. The wheelbase measures 113.8 inches, while the overall length extends to 190.0 inches (including the spare tire but excluding the brush guard). Its height stands tall at 77.7 inches, and the width is 86.1 inches with mirrors (76.0 inches without mirrors). The front and rear track widths are both 64.5 inches. Inside, the G 550 comfortably accommodates five passengers. Front occupants enjoy 41.9 inches of headroom, 38.7 inches of legroom, and 57.8 inches of shoulder room. Rear passengers are treated to 40.5 inches of headroom, 39.5 inches of legroom, and 57.4 inches of shoulder room. Cargo capacity is generous at 34.8 cubic feet, making it practical for both daily needs and adventurous excursions.
Fuel Economy and Efficiency
Despite its powerful engine and robust build, the 2025 G 550 achieves respectable fuel economy figures. It earns an EPA-estimated 17 mpg in the city and 19 mpg on the highway. The fuel tank capacity is 26.4 gallons, providing a substantial range for long journeys. The engine is designed to run on premium unleaded gasoline and meets Bin30/SULEV30 emission certifications.
Transmission and Drivetrain
Power is delivered through a smooth and responsive 9G-TRONIC 9-speed automatic transmission. The 2025 G 550 features a permanent all-wheel-drive system with a 2-speed transfer case. This advanced drivetrain ensures optimal traction and control in various driving conditions, enhancing both on-road stability and off-road capability.
Chassis and Handling
The G 550’s chassis is engineered for both durability and refined handling. It features a front independent double-wishbone suspension and a rear rigid axle with coil springs and adaptive damping. The steering system is a rack-and-pinion type with electromechanical power assist, offering precise control and responsiveness. The turning circle, wall-to-wall, is 44.6 feet, reflecting its robust off-road design while still manageable in urban environments.
Wheels and Tires
The standard wheels for the 2025 G 550 are 19-inch twin 5-spoke wheels (8.5×19). These are paired with 275/55R19 summer high-performance tires, providing excellent grip and contributing to the vehicle’s confident stance and handling dynamics.
Feature Highlights and Optional Packages
The 2025 Mercedes-Benz G 550 is not only about raw specifications but also about the features and customization options that enhance its appeal. Key feature highlights include:
- 5 Passenger Capacity: Comfortably seats up to five adults.
- 3.0L Inline-6 Turbo Engine with Hybrid Assist: Powerful and efficient powertrain.
- 443 hp Power Output: Ensures strong performance and acceleration.
- 9G-TRONIC 9-Speed Automatic Transmission: Smooth and responsive gear changes.
- 34.8 cu ft Cargo Capacity: Ample space for luggage and gear.
- 5.3 Sec Acceleration (0-60 mph): Impressive for an SUV of its class.
- 17 mpg City / 19 mpg Highway Fuel Economy: Reasonable efficiency for its capabilities.
For those seeking further personalization, the 2025 G 550 offers a range of optional packages, including:
- AMG Line: Adds sporty AMG exterior styling, 20-inch AMG wheels, sport exhaust, and interior enhancements.
- Night Package: Introduces black exterior accents, black wheels, and darkened elements for a more aggressive look.
- Night Package Plus/Magno: Expands on the Night Package with additional blacked-out trim and unique finishes.
- G PROFESSIONAL Package: Emphasizes off-road capability with PROFESSIONAL Line exterior, 18-inch matte black wheels, roof rack, and more rugged features.
- Seat Comfort Package: Enhances comfort with active multicontour front seats, massage function, rapid heating, and ventilation.
- Exclusive Interior Packages (Plus/MANUFAKTUR/Plus): Elevates the interior with premium Nappa leather, microfiber headliner, and exclusive trim options.
Conclusion
The 2025 Mercedes-Benz G-Class G 550 SUV stands as a testament to enduring automotive excellence. Its specifications reveal a vehicle that is not only powerful and capable but also refined and luxurious. From its potent inline-6 turbo engine to its spacious and meticulously crafted interior, the G 550 continues to set the standard for premium SUVs. Whether navigating city streets or conquering challenging terrains, the 2025 G 550 delivers an unparalleled driving experience, making it a highly desirable vehicle for discerning drivers worldwide. For those interested in experiencing this icon firsthand, exploring available inventory or customizing your own G-Class through Mercedes-Benz official channels is highly recommended.
