The Mercedes-Benz GLE 63 S Coupe (C167, facelifted in 2023) represents the pinnacle of performance within the GLE Coupe range. Introduced with the 2023 refresh, this variant combines a potent 4.0-liter V8 engine with mild-hybrid technology and a sophisticated all-wheel-drive system. Positioned as the flagship model, it caters to buyers seeking uncompromising power, luxury, and dynamic handling in a coupe-SUV body style. The C167 generation, launched in 2020, builds upon the success of the preceding C292 model, offering increased space, advanced technology, and a more refined driving experience.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLE |
| Generation | GLE Coupe (C167, facelift 2023) |
| Type | AMG GLE 63 S V8 (612 Hp) EQ Boost 4MATIC+ AMG SPEEDSHIFT TCT 9G |
| Start of production | 2023 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Coupe, SUV |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 12.4-12.7 l/100 km (19-18.5 US mpg, 22.8-22.2 UK mpg, 8.1-7.9 km/l) |
| CO2 emissions (WLTP) | 281-288 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 3.9 sec |
| Acceleration 0 – 62 mph | 3.9 sec |
| Acceleration 0 – 60 mph | 3.7 sec |
| Maximum speed | 280 km/h (173.98 mph) – Electronically limited |
| Emission standard | Euro 6d-ISC-FCM |
| Weight-to-power ratio | 4 kg/Hp, 251.9 Hp/tonne |
| Weight-to-torque ratio | 2.9 kg/Nm, 349.8 Nm/tonne |
| Gross battery capacity | 0.9 kWh |
| Battery voltage | 48 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Battery location | Under the trunk |
| Electric motor power | 22 Hp |
| Electric motor Torque | 250 Nm (184.39 lb.-ft.) |
| Electric motor location | Integrated into the transmission |
| Power | 612 Hp @ 5750-6500 rpm |
| Power per litre | 153.7 Hp/l |
| Torque | 850 Nm @ 2500-4500 rpm (626.93 lb.-ft. @ 2500-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 177 |
| Engine displacement | 3982 cm3 (243 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Compression ratio | 8.6:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | 2 x Twin-scroll turbo, Intercooler |
| Valvetrain | DOHC, CAMTRONIC |
| Kerb Weight | 2430 kg (5357.23 lbs.) |
| Max. weight | 3120 kg (6878.42 lbs.) |
| Max load | 690 kg (1521.19 lbs.) |
| Trunk (boot) space – minimum | 655 l (23.13 cu. ft.) |
| Trunk (boot) space – maximum | 1790 l (63.21 cu. ft.) |
| Fuel tank capacity | 85 l (22.45 US gal, 18.7 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 3500 kg (7716.18 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 140 kg (308.65 lbs.) |
| Length | 4954 mm (195.04 in.) |
| Width | 2018 mm (79.45 in.) |
| Width including mirrors | 2157 mm (84.92 in.) |
| Height | 1720 mm (67.72 in.) |
| Wheelbase | 2935 mm (115.55 in.) |
| Front track | 1693 mm (66.65 in.) |
| Rear (Back) track | 1720 mm (67.72 in.) |
| Minimum turning circle (turning diameter) | 12.3 m (40.35 ft.) |
| Drivetrain Architecture | ICE and electric motor drive rear wheels, with on-demand front wheel drive |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 9 gears, automatic transmission AMG SPEEDSHIFT TCT |
| Front suspension | Double wishbone, Transverse stabilizer, Air suspension |
| Rear suspension | Independent multi-link suspension, Air suspension, Transverse stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | Front: 275/45 R21, Rear: 315/40 R21 |
| Wheel rims size | 21 |
Powertrain & Engine Architecture
At the heart of the AMG GLE 63 S Coupe lies the M177 4.0-liter V8 engine. This engine utilizes a “hot-vee” configuration, meaning the turbochargers are positioned within the V of the engine, resulting in a more compact design and improved responsiveness. The engine employs direct fuel injection and features two twin-scroll turbochargers, along with an intercooler, to deliver substantial power and torque. The 2023 facelift incorporates EQ Boost, a 48-volt mild-hybrid system. This system adds an electric motor integrated into the transmission, providing an additional 22 horsepower and 250 Nm (184 lb-ft) of torque. The EQ Boost system enables features like gliding, where the engine shuts off during coasting, and a quicker start-stop function, enhancing fuel efficiency. The transmission is a 9-speed AMG SPEEDSHIFT TCT automatic, known for its rapid and precise gear changes.
Driving Characteristics
The combination of the powerful V8, the EQ Boost system, and the 9-speed automatic transmission results in exhilarating performance. Acceleration from 0 to 60 mph is achieved in just 3.7 seconds, and the electronically limited top speed is 174 mph. The AMG-tuned suspension, featuring air suspension and adaptive dampers, provides a comfortable ride while maintaining excellent body control. The 4MATIC+ all-wheel-drive system intelligently distributes torque between the front and rear axles, optimizing traction in various conditions. Compared to lower-powered GLE Coupe variants, the 63 S offers a significantly more aggressive and engaging driving experience. The gear ratios are optimized for both acceleration and high-speed cruising, delivering strong pull throughout the rev range.
Equipment & Trim Levels
The AMG GLE 63 S Coupe comes standard with a comprehensive array of luxury and technology features. Interior appointments include premium leather upholstery, AMG sport seats, and carbon fiber trim. Standard technology includes the MBUX infotainment system with a large touchscreen display, a digital instrument cluster, and a Burmester surround sound system. Optional extras include massaging seats, a head-up display, and advanced driver-assistance systems such as adaptive cruise control and lane-keeping assist. The exterior features AMG-specific styling cues, including a distinctive grille, aggressive front and rear bumpers, and large alloy wheels.
Chassis & Braking
The GLE 63 S Coupe utilizes a sophisticated chassis design with a double-wishbone front suspension and an independent multi-link rear suspension. Air suspension is standard, providing adjustable ride height and damping. Large ventilated discs are fitted on all four wheels, providing ample stopping power. The AMG braking system, with high-performance calipers and rotors, is available as an option for even greater braking performance. The vehicle also features an electronic stability program (ESP) and anti-lock braking system (ABS) for enhanced safety.
Market Reception & Comparison
The AMG GLE 63 S Coupe has been well-received by automotive critics, who praise its powerful engine, dynamic handling, and luxurious interior. Compared to other high-performance SUVs, such as the Porsche Cayenne Turbo and the BMW X6 M, the GLE 63 S Coupe offers a compelling combination of performance, comfort, and style. Fuel economy is understandably lower than that of less powerful GLE Coupe variants, averaging around 19-18.5 US mpg. Reliability has been generally good, although the complexity of the engine and drivetrain may result in higher maintenance costs compared to simpler models.
Legacy
The Mercedes-AMG GLE 63 S Coupe (C167) represents a significant step forward in the evolution of high-performance luxury SUVs. Its advanced powertrain technology, sophisticated chassis, and luxurious interior have set a new benchmark in the segment. While long-term reliability data is still emerging, the M177 engine has proven to be robust in other AMG models. As a used vehicle, the GLE 63 S Coupe is expected to hold its value well, appealing to buyers seeking a high-performance, luxurious, and technologically advanced SUV.
