The 2025 Mercedes-Benz GL63 AMG SUV embodies the pinnacle of performance and luxury in the full-size SUV segment. With a starting MSRP of $149,500, this vehicle is not just about getting from point A to point B; it’s about experiencing the journey with exhilarating power, sophisticated technology, and unparalleled comfort. This detailed overview explores the key features, specifications, and highlights that make the Mercedes-Benz GL63 AMG a standout choice for discerning drivers.
Performance and Power: The Heart of the AMG GLS 63
At the core of the Mercedes-Benz GL63 AMG lies a handcrafted AMG 4.0L V8 biturbo engine, further enhanced with hybrid assist technology. This powerhouse delivers an astounding 603 horsepower and 627 lb-ft of torque, available between 5,750-6,500 rpm and 2,500-4,500 rpm respectively. This immense power translates to breathtaking performance, launching the GL63 AMG from 0 to 60 mph in a mere 4.1 seconds. The engine’s construction features a diecast alloy block and heads, ensuring durability and optimal performance. Paired with the AMG SPEEDSHIFT® TCT 9-speed automatic transmission and AMG Performance 4MATIC+® all-wheel drive, the GL63 AMG offers exceptional control and responsiveness in various driving conditions.
Key Performance Highlights:
- Acceleration (0-60 mph): 4.1 seconds
- Torque: 627 lb-ft
- Power: 603 hp
- Engine: Handcrafted AMG 4.0L V8 biturbo with hybrid assist
- Transmission: AMG SPEEDSHIFT® TCT 9-speed automatic
- Drive System: AMG Performance 4MATIC+® all-wheel drive
Exterior Dimensions and Design: Commanding Presence
The Mercedes-Benz GL63 AMG makes a bold statement with its imposing dimensions and athletic AMG styling. Its overall length stretches to 206.4 inches, with a wheelbase of 123.4 inches, ensuring a spacious cabin and confident stance. The height stands at 70.2 inches and the width at 79.9 inches (84.9 inches with mirrors), emphasizing its SUV nature. The track width, both front and rear, is approximately 67 inches, contributing to stable handling. Despite its size, the curb weight is a manageable 6,019 lbs, considering the robust engine and luxurious features.
Exterior Dimensions at a Glance:
- Wheelbase: 123.4 inches
- Overall Length: 206.4 inches
- Overall Height: 70.2 inches
- Overall Width (w/ mirrors): 84.9 inches
- Overall Width (w/o mirrors): 79.9 inches
- Track Width, Front: 67.1 inches
- Track Width, Rear: 67.9 inches
- Curb Weight: 6,019 lbs
Interior Comfort and Space: Luxury for Up to Seven
Inside the Mercedes-Benz GL63 AMG, luxury and practicality blend seamlessly. Standard seating accommodates seven passengers, with an optional configuration for six, likely replacing the second-row bench with captain’s chairs for enhanced individual comfort. Front passengers enjoy generous headroom of 39.4 inches and legroom of 40.3 inches, while second-row passengers are treated to 40.2 inches of headroom and a class-leading 41.9 inches of legroom. Third-row legroom is a respectable 34.6 inches, making it suitable for adults on shorter trips. Cargo capacity ranges from 17.4 cu ft behind the third row to a cavernous 84.7 cu ft with the second and third rows folded, providing ample space for luggage and gear.
Interior Space and Capacity:
- Passenger Capacity: 7 (6 optional)
- Cargo Capacity: 17.4-84.7 cu ft
- Headroom (1st row): 39.4 inches
- Legroom (1st row): 40.3 inches
- Shoulder Room (1st row): 59.3 inches
- Headroom (2nd row): 40.2 inches
- Legroom (2nd row): 41.9 inches
- Shoulder Room (2nd row): 58.5 inches
- Legroom (3rd row): 34.6 inches
Fuel Efficiency and Powertrain: Balancing Power with Responsibility
While performance is paramount, the Mercedes-Benz GL63 AMG also considers fuel efficiency and emissions. It achieves an estimated 14 mpg in the city and 18 mpg on the highway. The fuel tank capacity is 23.8 gallons, allowing for a decent range between fill-ups. The engine is designed to run on premium unleaded gasoline and meets Bin70/ULEV70 emission certification standards.
Fuel Economy and Powertrain Details:
- City Fuel Economy: 14 mpg
- Highway Fuel Economy: 18 mpg
- Fuel Capacity: 23.8 gallons
- Fuel Requirement: Premium unleaded gasoline
- Emission Certification: Bin70/ULEV70
Chassis, Suspension, and Wheels: Engineered for AMG Performance
The driving dynamics of the Mercedes-Benz GL63 AMG are enhanced by its advanced chassis and suspension systems. It features a 4-wheel independent double-wishbone front and multilink rear suspension based on AMG ACTIVE RIDE CONTROL, ensuring a balance of comfort and sporty handling. The steering is rack-and-pinion with electromechanical power assist, providing precise and responsive control. The turning circle is 43.0 ft, typical for a vehicle of this size. It rides on substantial 21-inch AMG® 10-spoke wheels, with wider rear wheels (11.5×21) than front (9.0×21), fitted with high-performance tires (275/50R21 front and 315/45R21 rear).
Chassis and Wheels Specifications:
- Suspension: 4-wheel independent double-wishbone front/multilink rear with AMG ACTIVE RIDE CONTROL
- Steering Type: Rack-and-pinion with electromechanical power assist
- Turning Circle: 43.0 ft
- Wheels: 21-inch AMG® 10-spoke (9.0×21 front, 11.5×21 rear)
- Tires: 275/50R21 front and 315/45R21 rear, high-performance
Standard and Optional Features: Customize Your Luxury Experience
The Mercedes-Benz GL63 AMG comes generously equipped with standard features, and offers a range of optional packages to further personalize the vehicle. While specific standard and optional features are not detailed in this overview, packages like the Executive Rear Seat Package PLUS and Warmth & Comfort Package are mentioned, highlighting the focus on rear passenger comfort and enhanced warmth features. The Executive Rear Seat Package PLUS includes heated and ventilated second-row seats, multicontour seats with massage, a 2nd-row MBUX tablet, and wireless charging. The Warmth & Comfort Package adds heated front and second-row armrests.
Optional Packages to Consider:
- Executive Rear Seat Package PLUS: Enhances rear passenger luxury and technology.
- Warmth & Comfort Package: Adds heated armrests for front and second-row occupants.
Family Thrust Fund: The Essence of AMG GLS 63
The “FAMILY THRUST FUND” tagline perfectly encapsulates the Mercedes-Benz GL63 AMG experience. It represents the extraordinary blend of responsiveness, refinement, and spaciousness. This SUV is designed to deliver thrilling performance for the driver while providing a luxurious and comfortable environment for the whole family. The handcrafted hybrid biturbo V8 engine, combined with AMG Performance 4MATIC+ and AMG RIDE CONTROL+, ensures that the GL63 AMG is not just a large SUV, but a high-performance machine capable of delivering an exceptional driving experience.
In conclusion, the 2025 Mercedes-Benz GL63 AMG stands as a testament to AMG’s engineering prowess and Mercedes-Benz’s commitment to luxury. It’s a vehicle that offers uncompromising performance, opulent comfort, and cutting-edge technology, making it an ideal choice for those who demand the best of both worlds in a full-size SUV.
