The Mercedes-Benz G-Class, and particularly the G550 SUV, stands as a timeless icon in the automotive world. With a starting MSRP of $148,250, the 2025 G550 continues this legacy, blending robust off-road capability with opulent luxury and cutting-edge technology. This article delves into the key features, specifications, and highlights of the Mercedes-Benz G550, providing a comprehensive overview for enthusiasts and potential owners alike.
Power and Performance of the G550
Under the hood, the 2025 Mercedes-Benz G550 boasts a potent 3.0L inline-6 turbo engine with hybrid assist and an electric auxiliary compressor. This advanced powertrain delivers an impressive 443 horsepower at 6,100 rpm and 413 lb-ft of torque. Such power translates to brisk acceleration, propelling the G550 from 0 to 60 mph in just 5.3 seconds. Mated to a smooth and responsive 9G-TRONIC 9-speed automatic transmission and permanent all-wheel drive, the G550 offers confident performance both on and off the road.
Exterior Elegance and Dimensions
The exterior of the Mercedes-Benz G550 is instantly recognizable, characterized by its boxy silhouette and robust design. The standard color is Obsidian Black metallic, offering a classic and sophisticated look. For those seeking more personalization, the MANUFAKTUR color palette provides a range of exclusive and distinctive paint options.
Key Exterior Dimensions:
- 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 G550’s commanding presence and spacious interior.
Interior Comfort and Space
Inside, the Mercedes-Benz G550 offers a luxurious and spacious cabin designed to accommodate up to five passengers. Premium materials and meticulous craftsmanship are evident throughout.
Interior Dimensions and Capacities:
- 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
- Cargo Capacity: 34.8 cubic feet
The G550 provides ample space for both passengers and cargo, making it suitable for both daily driving and longer journeys.
Engine and Performance Specifications in Detail
The heart of the Mercedes-Benz G550 is its advanced engine, engineered for both power and efficiency.
Engine Specifications:
- Engine: 3.0L inline-6 turbo with hybrid assist and electric auxiliary compressor
- Power: 443 hp @ 6,100 rpm
- Torque: 413 lb-ft @ 1,950-5,500 rpm
- Compression Ratio: 10.5:1
- Construction: Diecast alloy block and alloy head
- Fuel Requirement: Premium unleaded gasoline
- Fuel Capacity: 26.4 gallons
This engine, combined with the 9-speed automatic transmission and permanent all-wheel drive, ensures a refined and capable driving experience in various conditions. The G550 also achieves a city fuel economy of 17 mpg and a highway fuel economy of 19 mpg.
Chassis and Handling
The Mercedes-Benz G550 is built on a robust chassis designed for both on-road comfort and off-road prowess.
Chassis and Handling Features:
- Transmission: 9G-TRONIC 9-speed automatic
- Drive Configuration: Permanent all-wheel drive with 2-speed transfer case
- Suspension: Front independent double-wishbone/rear rigid axle with coil springs and adaptive damping
- Steering Type: Rack-and-pinion with electromechanical power assist
- Turning Circle: 44.6 feet (wall-to-wall)
- Wheels: 19-inch twin 5-spoke (8.5×19)
- Tires: 275/55R19, summer high-performance
The suspension system provides a comfortable ride while maintaining excellent control, and the all-wheel-drive system ensures confident traction in diverse terrains.
Optional Packages to Personalize Your G550
Mercedes-Benz offers a range of optional packages to further customize the G550 to individual preferences and needs. These packages enhance both the aesthetics and functionality of the vehicle.
Popular Optional Packages:
- AMG Line: Adds sporty AMG exterior styling, 20-inch AMG wheels, sport exhaust system, and AMG interior touches for a more dynamic appearance and driving experience.
- Night Package: Introduces black exterior accents, including 20-inch AMG wheels with black accents, Obsidian Black elements, and black underguards for a stealthier look.
- Night Package Plus: Expands on the Night Package with MANUFAKTUR black bumpers and wheel arches, and black Mercedes-Benz star emblems and lettering for an even more aggressive style.
- Night Package Magno: Features Night Black Magno exterior accents, including unique bumpers and wheel arches in this distinctive matte finish.
- G PROFESSIONAL Package: Designed for serious off-road enthusiasts, this package includes PROFESSIONAL Line exterior, 18-inch matte black wheels, a PROFESSIONAL roof rack, and other rugged features.
- Seat Comfort Package: Enhances interior comfort with active multicontour front seats featuring massage, rapid heating, and ventilation.
- Exclusive Interior Package & Exclusive Interior Package Plus: Upgrade the interior with Nappa leather upholstery, microfiber headliner, and exclusive trim options, with the “Plus” version adding diamond stitching and further enhancements.
- MANUFAKTUR Interior Package & MANUFAKTUR Interior Package Plus: Offer the highest level of interior customization with MANUFAKTUR Nappa leather, unique badging, and additional comfort features, with the “Plus” version including exclusive plus interior appointments.
Maintenance, Warranty, and Service
Mercedes-Benz provides comprehensive support for G550 owners, ensuring peace of mind and vehicle longevity. Prepaid Maintenance plans are available to lock in future service costs. The Mercedes-Benz Warranties offer extensive coverage, including the standard New-Vehicle Limited Warranty and options for Certified Pre-Owned vehicles. A network of authorized Mercedes-Benz dealers provides expert Service and Repair, utilizing genuine parts and advanced diagnostic tools.
Conclusion: The Enduring Appeal of the Mercedes-Benz G550
The 2025 Mercedes-Benz G550 continues to uphold the iconic status of the G-Class. It represents a unique blend of rugged capability, luxurious comfort, and timeless design. Whether navigating city streets or exploring off-road trails, the G550 delivers a driving experience that is both refined and exhilarating, making it a standout choice in the luxury SUV segment. For those seeking a vehicle that embodies strength, sophistication, and individuality, the Mercedes-Benz G550 remains an unparalleled icon.
