The Mercedes-Benz S 580 4MATIC, produced from 2021 to 2026 as part of the W223 generation of the S-Class, represents a pinnacle of luxury and technology within the Mercedes-Benz lineup. This variant, characterized by its 4.0-liter twin-turbocharged V8 engine augmented by a 48-volt mild-hybrid system (EQ Boost), occupies the premium segment of the S-Class range, positioned above the S 450 and S 500 models. It caters to buyers seeking the highest levels of performance, refinement, and advanced features available in a full-size luxury sedan.
Powertrain & Engine Architecture
The heart of the S 580 is the M176 engine, a 3,982 cc (243 cubic inches) V8 engine. This engine utilizes direct fuel injection and employs two exhaust gas turbochargers with intercooling to deliver substantial power and torque. The engine code is M 176.980. The valvetrain is a Double Overhead Camshaft (DOHC) configuration with four valves per cylinder, optimizing airflow for efficient combustion. Crucially, the S 580 incorporates Mercedes-Benz’s EQ Boost system, a 48-volt mild-hybrid system. This system features an integrated starter-generator (ISG) that adds 20 horsepower and 200 Nm (147.51 lb-ft) of torque, providing seamless start/stop functionality, regenerative braking, and a boost function to enhance acceleration. The engine also features cylinder deactivation, shutting down cylinders under light load to improve fuel economy. The engine oil capacity is 8.5 liters (8.98 US quarts / 7.48 UK quarts) and requires a specific oil meeting Mercedes-Benz’s stringent specifications.
The engine is mated to Mercedes-Benz’s 9G-TRONIC nine-speed automatic transmission. This transmission is known for its smooth shifting and wide gear ratio spread, contributing to both performance and efficiency. The transmission is electronically controlled and adapts to driving conditions, offering various driving modes including Eco, Comfort, Sport, and Individual. The 9G-TRONIC is designed to handle the high torque output of the V8 engine and EQ Boost system effectively.
Driving Characteristics
The S 580 delivers a driving experience characterized by effortless power and refined comfort. The combination of the twin-turbo V8 and EQ Boost results in a 0-60 mph acceleration time of approximately 4.2 seconds, and a 0-100 km/h time of 4.4 seconds. The EQ Boost system provides instant torque fill, eliminating any noticeable turbo lag and contributing to a remarkably responsive feel. The 9G-TRONIC transmission shifts smoothly and intelligently, keeping the engine in its optimal power band. Compared to the S 450 or S 500, the S 580 offers a noticeably more potent acceleration experience. While the S 450/500 prioritize fuel efficiency and a more relaxed driving style, the S 580 is geared towards drivers who appreciate strong performance and a more engaging driving experience. The electronically limited top speed is 250 km/h (155.34 mph).
Equipment & Trim Levels
The S 580 comes standard with a comprehensive array of luxury features. Interior appointments typically include premium leather upholstery, wood trim, and metal accents. Standard features include heated and ventilated front and rear seats with massage functions, a Burmester surround sound system, a large dual-screen display incorporating the MBUX infotainment system, and a panoramic sunroof. Optional extras often include Nappa leather, extended wood trim options, rear-seat entertainment systems, and advanced driver-assistance features such as the Executive Rear Seat Package. The S 580 is generally offered with a high degree of customization, allowing buyers to tailor the vehicle to their specific preferences. The standard dashboard configuration features a 12.3-inch digital instrument cluster and a 12.8-inch OLED touchscreen display for the infotainment system.
Chassis & Braking
The S 580 utilizes an advanced chassis design featuring an independent multi-link suspension at both the front and rear. Air suspension is standard, providing a supremely comfortable ride and the ability to adjust ride height. The air suspension system also incorporates adaptive damping, which adjusts the shock absorber settings in real-time to optimize ride comfort and handling. The S 580 is equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Advanced braking systems such as ABS (Anti-lock Braking System) are standard. Optional features include 4-wheel steering (4WS), which enhances maneuverability at low speeds and stability at high speeds. The steering system is an electric power steering rack and pinion system.
Market Reception & Comparison
The S 580 has been generally well-received by automotive critics, praised for its luxurious interior, powerful engine, and advanced technology. Fuel economy, however, is a point of consideration, with combined fuel consumption ranging from 10.0 to 10.6 l/100 km (23.5 – 22.2 US mpg, 28.2 – 26.6 UK mpg). Compared to the S 450 or S 500, the S 580 offers superior performance but at the expense of slightly lower fuel economy. Reliability has been generally good, although the complexity of the engine and hybrid system may present potential maintenance challenges in the long term. The S 580 competes with other flagship luxury sedans such as the BMW 7 Series and Audi A8.
Technical Specifications
| Body type | Sedan, 5 Doors, 5 Seats |
| Fuel economy (combined) | 10-10.6 l/100 km (23.5 – 22.2 US mpg, 28.2 – 26.6 UK mpg) |
| CO2 emissions | 228-242 g/km |
| Emission standard | Euro 6D-ISC-FCM |
| Maximum speed | 250 km/h (155.34 mph) |
| Acceleration 0-100 km/h | 4.4 sec |
| Acceleration 0-60 mph | 4.2 sec |
| Engine displacement | 3,982 cm3 (243 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Power | 503 Hp @ 5000 rpm |
| Torque | 700 Nm @ 2000-4500 rpm (516.29 lb-ft) |
| Engine model/code | M 176.980 |
| Fuel injection system | Direct injection |
| Engine aspiration | BiTurbo, Intercooler |
| Kerb Weight | 2020 kg (4453.34 lbs) |
| Max. weight | 2820 kg (6217.04 lbs) |
| Trunk (boot) space | 535 l (18.89 cu. ft.) |
| Fuel tank capacity | 76 l (20.08 US gal, 16.72 UK gal) |
| Gearbox | 9 gears, automatic transmission G-TRONIC |
| Drivetrain | All wheel drive (4×4) |
| Front tire size | 255/50 R18; 255/45 R19; 255/40 R20 |
| Rear tire size | 255/50 R18; 255/45 R19; 285/40 R19; 255/40 R20; 285/35 R20 |
Legacy
The S 580’s M176 engine, coupled with the 9G-TRONIC transmission and EQ Boost system, represents a sophisticated and powerful powertrain. While relatively new, early indications suggest good long-term reliability, although the complexity of the mild-hybrid system may require specialized maintenance. On the used car market, the S 580 commands a premium price due to its performance, luxury features, and advanced technology. Its position as a flagship luxury sedan ensures continued demand among discerning buyers seeking the ultimate in automotive refinement and capability. The integration of mild-hybrid technology also positions it as a transitional model, bridging the gap between traditional internal combustion engines and fully electric vehicles.
