The Mercedes-Maybach GLS 600, introduced in July 2020 and produced through September 2023, represents the pinnacle of luxury and performance within the Mercedes-Benz GLS (X167) model range. Positioned as the ultra-premium variant, it aimed to deliver an unparalleled experience combining the spaciousness of a full-size SUV with the exclusivity and refinement associated with the Maybach brand. Built on the same platform as the standard GLS, the 600 distinguished itself through bespoke interior appointments, advanced technology, and a powerful, yet efficient, powertrain. This vehicle was primarily targeted at discerning customers in markets like the United States, China, and the Middle East, where demand for high-end luxury SUVs is particularly strong.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | GLS |
| Generation | Maybach GLS (X167) |
| Type (Engine) | GLS 600 V8 (558 Hp) EQ Boost 4MATIC G-TRONIC |
| Start of production | July, 2020 |
| End of production | September, 2023 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | SUV |
| Seats | 4 |
| Doors | 5 |
| Fuel consumption (combined) | 11.7-12 l/100 km (20.1 – 19.6 US mpg) |
| CO2 emissions | 266-273 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.9 sec |
| Acceleration 0 – 62 mph | 4.9 sec |
| Acceleration 0 – 60 mph | 4.7 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Weight-to-power ratio | 5 kg/Hp, 200.4 Hp/tonne |
| Weight-to-torque ratio | 3.8 kg/Nm, 262.1 Nm/tonne |
| Gross battery capacity | 0.9 kWh |
| Battery voltage | 48 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Electric motor power | 22 Hp |
| Electric motor Torque | 250 Nm (184.39 lb.-ft.) |
| 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.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | BiTurbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 9.5 l (10.04 US qt | 8.36 UK qt) |
| Kerb Weight | 2785 kg (6139.87 lbs.) |
| Max. weight | 3250 kg (7165.02 lbs.) |
| Max load | 465 kg (1025.15 lbs.) |
| Trunk (boot) space – maximum | 520 l (18.36 cu. ft.) |
| Fuel tank capacity | 90 l (23.78 US gal | 19.8 UK gal) |
| Length | 5205 mm (204.92 in.) |
| Width | 2030 mm (79.92 in.) |
| Height | 1838 mm (72.36 in.) |
| Wheelbase | 3135 mm (123.43 in.) |
| Front track | 1699 mm (66.89 in.) |
| Rear (Back) track | 1723 mm (67.83 in.) |
| Minimum turning circle | 12.5 m (41.01 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 9 |
| Gearbox type | Automatic transmission G-TRONIC |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Tires size (Front) | 285/45 R22 |
| Tires size (Rear) | 325/40 R22 |
Powertrain & Engine Architecture
At the heart of the Maybach GLS 600 lies the M177 4.0-liter twin-turbocharged V8 engine. This engine, a staple in many high-performance Mercedes-Benz models, is augmented by a 48-volt mild-hybrid system (EQ Boost). The EQ Boost system incorporates an integrated starter-generator (ISG) that provides an additional 22 horsepower and 250 Nm (184 lb-ft) of torque, enhancing both acceleration and fuel efficiency. The engine utilizes direct fuel injection and a sophisticated valvetrain (DOHC) to deliver a potent 558 horsepower at 6000-6500 rpm and 730 Nm (538 lb-ft) of torque between 2500-5000 rpm. The 9G-TRONIC automatic transmission, with its nine forward gears, is specifically calibrated to complement the engine’s power delivery, providing smooth and responsive shifts. The transmission’s wide gear ratios contribute to both comfortable cruising and brisk acceleration.
Driving Characteristics
The Maybach GLS 600 delivers a driving experience focused on effortless power and supreme comfort. The combination of the powerful V8, the EQ Boost system, and the 9G-TRONIC transmission results in a 0-60 mph time of approximately 4.7 seconds. While not as overtly sporty as some performance-oriented SUVs, the GLS 600 offers ample acceleration for confident overtaking and highway merging. The air suspension, standard equipment, further enhances ride quality, absorbing bumps and imperfections in the road with ease. The 4MATIC all-wheel-drive system provides excellent traction in various weather conditions. Compared to the standard GLS 580, the Maybach variant prioritizes a more relaxed and refined driving experience, with a focus on minimizing noise and vibration.
Equipment & Trim Levels
The Maybach GLS 600 is exceptionally well-equipped as standard. Key features include quilted leather upholstery, ventilated and massaging front and rear seats, a premium Burmester surround sound system, and a panoramic sunroof. The rear seats are configured as two individual captain’s chairs, offering exceptional comfort and space. A rear-seat entertainment system with dual 11.6-inch screens is also standard. Optional extras include bespoke interior trim options, a champagne cooler, and a variety of personalized features tailored to individual customer preferences. The interior design emphasizes luxury and craftsmanship, with extensive use of high-quality materials and meticulous attention to detail.
Chassis & Braking
The GLS 600 utilizes a double-wishbone front suspension and an independent multi-link rear suspension, optimized for both comfort and handling. The air suspension system, with its adaptive damping, allows the driver to adjust the ride height and stiffness. Braking duties are handled by ventilated discs on all four wheels, providing ample stopping power. Standard safety features include ABS, electronic stability control, and a suite of driver-assistance systems, such as adaptive cruise control, lane-keeping assist, and automatic emergency braking.
Market Reception & Comparison
The Mercedes-Maybach GLS 600 was generally well-received by automotive critics, who praised its luxurious interior, powerful engine, and comfortable ride. However, some reviewers noted its high price tag and the fact that it prioritizes comfort over outright sportiness. Compared to the standard GLS 580, the Maybach variant offers a significantly more opulent and refined experience, justifying its higher cost for buyers seeking the ultimate in luxury. Fuel economy, at 11.7-12 l/100 km, is typical for a vehicle of this size and performance, but it is considerably lower than more fuel-efficient SUV options.
Legacy
The M177 engine, while complex, has proven to be relatively reliable when properly maintained. The 9G-TRONIC transmission is also known for its durability. However, the advanced technology and luxurious features of the Maybach GLS 600 mean that maintenance costs can be substantial. On the used car market, the GLS 600 holds its value well, appealing to buyers who appreciate its exclusivity and prestige. As a flagship SUV, the Maybach GLS 600 represents a significant achievement in automotive luxury and engineering, setting a high standard for its competitors.
