The Mercedes-Benz G-Class, an enduring symbol of off-road prowess and luxury, continues to captivate enthusiasts worldwide. The 2025 Mercedes-Benz G-Class G 550 SUV model upholds this legacy, blending rugged capability with modern sophistication. Let’s delve into the detailed specifications of this iconic vehicle, exploring what makes it a standout in the luxury SUV segment.
Engine and Performance Specs
Under the hood, the 2025 G 550 is powered by a potent 3.0L inline-6 turbo engine, enhanced with hybrid assist and an electric auxiliary compressor. This advanced powertrain delivers a compelling mix of power and efficiency.
Engine Details
The heart of the 2025 G 550 is its meticulously engineered 3.0L inline-6 turbo engine. Featuring hybrid assist technology, this engine maximizes performance while promoting fuel efficiency. The inclusion of an electric auxiliary compressor further enhances responsiveness, ensuring power is readily available when you need it.
Performance Figures
This robust engine translates to impressive performance metrics. The 2025 G 550 boasts:
- Acceleration: 0 to 60 mph in just 5.3 seconds
- Torque: 413 lb-ft, providing substantial low-end grunt for both on-road and off-road driving.
- Power: 443 hp at 6,100 rpm, ensuring exhilarating performance across the rev range.
Fuel Economy
Despite its powerful engine, the 2025 G 550 achieves respectable fuel economy figures:
- City: 17 mpg
- Highway: 19 mpg
These figures are noteworthy for a vehicle of its size and capability, highlighting the efficiency gains from the hybrid assist system.
Dimensions and Capacity
The 2025 Mercedes-Benz G 550 retains its iconic boxy silhouette, offering both commanding presence and practical space.
Exterior Dimensions
The G 550’s dimensions are designed for both urban maneuverability and off-road confidence:
- Wheelbase: 113.8 inches
- Overall Length: 190.0 inches (including spare tire, excluding brush guard)
- Overall Height: 77.7 inches
- Overall Width (with mirrors): 86.1 inches
- Overall Width (without mirrors): 76.0 inches
- Track Width (Front & Rear): 64.5 inches
These dimensions contribute to the G-Class’s stable stance and impressive off-road angles.
Interior Dimensions and Passenger Space
Inside, the G 550 offers a spacious and luxurious cabin for up to five passengers:
- Passenger Capacity: 5
- Headroom (Front): 41.9 inches
- Legroom (Front): 38.7 inches
- Shoulder Room (Front): 57.8 inches
- Headroom (Rear): 40.5 inches
- Legroom (Rear): 39.5 inches
- Shoulder Room (Rear): 57.4 inches
These figures ensure comfortable journeys for all occupants, even on long trips.
Cargo Capacity
Practicality is also a key aspect of the G-Class design:
- Cargo Capacity: 34.8 cu ft
This generous cargo space is ample for luggage, gear, and everyday needs.
Image alt text: 2025 Mercedes-Benz G 550 SUV side profile dimensions diagram, showcasing length, height, wheelbase, and overhang measurements.
Image alt text: 2025 Mercedes-Benz G 550 SUV front and rear dimensions diagram, illustrating overall width, track width, and vehicle proportions.
Chassis and Drivetrain
The 2025 G 550’s chassis and drivetrain are engineered for exceptional on-road comfort and legendary off-road capability.
Transmission
Power is delivered through a sophisticated 9G-TRONIC 9-speed automatic transmission, ensuring smooth and responsive gear changes.
Drive Configuration
The G 550 features a permanent all-wheel drive system with a 2-speed transfer case. This setup provides optimal traction and control in various driving conditions, from slick city streets to challenging off-road terrains.
Suspension and Steering
- Suspension: Front independent double-wishbone suspension and rear rigid axle with coil springs and adaptive damping. This combination provides a balance of on-road comfort and off-road articulation.
- Steering: Rack-and-pinion steering with electromechanical power assist offers precise and responsive handling.
- Turning Circle: 44.6 ft (wall-to-wall), reasonable for a vehicle of this size, aiding in maneuverability.
Wheels and Tires
The standard wheel and tire setup for the 2025 G 550 is designed for both style and performance:
- Wheels: 19-inch twin 5-spoke (8.5×19)
- Tires: 275/55R19, summer high-performance tires, providing excellent grip and handling in warm weather conditions.
Key Features and Highlights
The 2025 G 550 is packed with features that underscore its luxury and capability:
- Passenger Capacity: Comfortably seats 5 occupants.
- Engine: 3.0L inline-6 turbo with hybrid assist and electric auxiliary compressor for enhanced power and efficiency.
- Power Output: 443 hp, delivering strong performance.
- Transmission: 9G-TRONIC 9-speed automatic for smooth gear transitions.
- Cargo Space: 34.8 cu ft of cargo capacity for practical utility.
- Acceleration: 0-60 mph in 5.3 seconds, showcasing its sporty performance.
- Fuel Economy: 17 mpg city and 19 mpg highway, balancing power with efficiency.
Optional Packages Overview
To further personalize and enhance the 2025 G 550, Mercedes-Benz offers a range of optional packages:
- AMG Line: Adds sporty AMG exterior styling, 20-inch AMG wheels, sport exhaust, and interior AMG touches.
- Night Package: Introduces black exterior accents, black wheels, and darkened styling elements for a more aggressive appearance.
- Night Package Plus & Magno: Further expands on the Night Package with additional blacked-out elements and unique finishes like Night Black Magno.
- G PROFESSIONAL Package: Geared towards serious off-road enthusiasts, featuring PROFESSIONAL Line Exterior, 18-inch matte black wheels, roof rack, and specialized equipment.
- Seat Comfort Package: Enhances front seat comfort with active multicontour seats, massage function, rapid heating, and ventilation.
- Exclusive Interior Package & Plus Packages: Elevates the interior with premium Nappa leather, microfiber headliner, and enhanced trim details.
- MANUFAKTUR Interior Packages & Plus Packages: Offers bespoke luxury with MANUFAKTUR Nappa leather, unique badging, and exclusive interior appointments for ultimate personalization.
Conclusion
The 2025 Mercedes-Benz G 550 SUV continues to reign as an icon, offering a compelling blend of powerful performance, luxurious comfort, and unmatched off-road capability. Its detailed specifications reveal a vehicle meticulously engineered for those who demand the best in both worlds – robust adventure and refined sophistication. Whether navigating city streets or tackling challenging trails, the G 550 stands ready to deliver an exceptional driving experience. Explore the 2025 Mercedes-Benz G-Class to discover how it can elevate your journey.
