The 2025 Mercedes-AMG GLS 63 is the latest evolution of Mercedes-Benz’s flagship performance SUV. Combining unmatched luxury with raw V8 power, the GLS 63 continues to redefine what it means to drive a full-size SUV. For 2025, the model receives subtle design updates, more advanced technology, and enhanced ride comfort—making it one of the most capable luxury SUVs on the market.
Bold Exterior Design
The 2025 GLS 63 boasts a commanding presence with its bold AMG-specific grille, larger air intakes, and sleek LED Digital Light headlamps. The updated bumper and sculpted hood emphasize its muscular character, while the quad exhaust system and 21- to 23-inch alloy wheels highlight its performance DNA.
At the rear, redesigned taillights with 3D LED graphics give the SUV a more futuristic appearance, and the AMG badging ensures it stands out as a true high-performance machine.
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Luxurious Interior with AMG Touches
Step inside the GLS 63, and you’re greeted with an interior that balances opulence with sportiness. The cabin features Nappa leather upholstery, carbon-fiber trim accents, and AMG-specific seats that offer both comfort and support. The latest MBUX infotainment system integrates dual 12.3-inch digital displays with customizable AMG graphics, voice control, and augmented reality navigation.
Passengers enjoy amenities like heated and ventilated seats, ambient lighting with 64 color options, Burmester 3D surround sound, and a panoramic sunroof that enhances the spacious feel. The three-row configuration remains, offering generous room for up to seven passengers.
V8 Power and Performance
Under the hood, the 2025 Mercedes-AMG GLS 63 continues with the 4.0-liter twin-turbocharged V8 engine paired with an AMG 9-speed automatic transmission. This powerhouse delivers an incredible 603 horsepower and 627 lb-ft of torque, propelling the SUV from 0 to 60 mph in just 4.1 seconds.
An integrated 48-volt mild-hybrid system (EQ Boost) provides an extra 21 horsepower for smooth acceleration and improved efficiency. The AMG Performance 4MATIC+ all-wheel-drive system ensures perfect traction in all driving conditions, while adaptive air suspension and active roll stabilization provide both comfort and precision handling.
Technology and Safety
The 2025 GLS 63 is equipped with the latest driver assistance features, including:
- Active Distance Assist (Adaptive Cruise Control)
- Active Steering Assist
- Lane Keeping Assist
- Pre-Safe Collision System
- 360-Degree Surround Camera
- Parking Assist and Blind Spot Monitoring
The MBUX system also supports over-the-air updates, smartphone integration, and advanced voice commands, ensuring drivers stay connected and safe at all times.
Driving Experience
Despite its size, the 2025 GLS 63 feels surprisingly agile. The AMG Ride Control+ air suspension automatically adjusts to road conditions, offering a smooth, composed ride. Drivers can select from multiple AMG Dynamic Select modes, including Comfort, Sport, Sport+, and Individual, tailoring the SUV’s throttle, suspension, and steering response to match the mood.
Fuel Efficiency
As a performance-focused luxury SUV, efficiency isn’t its strongest suit, but the mild-hybrid system helps slightly improve fuel economy. The GLS 63 is expected to return around 14–16 mpg combined, depending on driving conditions.
Pricing and Availability
The 2025 Mercedes-AMG GLS 63 is expected to start around $140,000, with fully loaded versions reaching close to $160,000. Deliveries are anticipated to begin in late 2024 or early 2025 across global markets.
Verdict
The 2025 Mercedes-AMG GLS 63 perfectly blends high-performance engineering with the luxurious comfort expected from Mercedes-Benz. It’s powerful, refined, and packed with technology, making it one of the most desirable full-size SUVs available today. Whether you’re after performance thrills or long-distance comfort, the GLS 63 delivers both with effortless sophistication.
FAQs 2025 Mercedes GLS 63
Q1. What engine powers the 2025 Mercedes-AMG GLS 63?
It features a 4.0-liter twin-turbocharged V8 with a 48V mild-hybrid system producing 603 hp and 627 lb-ft of torque.
Q2. How fast is the GLS 63?
It accelerates from 0–60 mph in approximately 4.1 seconds.
Q3. Does the GLS 63 offer seven seats?
Yes, it comes standard with a spacious three-row configuration accommodating up to seven passengers.
Q4. What is the starting price of the 2025 GLS 63?
The expected starting price is around $140,000.
Q5. What are the main competitors of the 2025 Mercedes-AMG GLS 63?
Key rivals include the BMW X7 M60i, Range Rover Sport SV, and Audi RS Q8.
