The Mercedes-Benz S-Class Long (V223) S 500 4MATIC, produced from 2020 through April 2023, represents a pinnacle of luxury and technology within the flagship S-Class range. This variant, distinguished by its extended wheelbase (“Long” designation) and potent 435 horsepower engine with EQ Boost mild-hybrid assistance, occupied a premium position in the lineup, offering enhanced rear passenger space and a sophisticated driving experience. It’s built on the V223 platform, the latest generation of the S-Class, and aimed at buyers prioritizing comfort, performance, and cutting-edge features. The S 500 4MATIC served as a bridge between the standard S-Class models and the ultra-luxury Maybach variants.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | S-class |
| Generation | S-class Long (V223) |
| Type | S 500 (435 Hp) EQ Boost 4MATIC 9G-TRONIC |
| Start of production | 2020 |
| End of production | April, 2023 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Sedan |
| Seats | 4-5 |
| Doors | 4 |
| Combined fuel consumption (WLTP) | 8-9.5 l/100 km (29.4 – 24.8 US mpg) |
| CO2 emissions (WLTP) | 181-216 g/km |
| Fuel consumption (urban – NEDC) | 11-11.4 l/100 km (21.4 – 20.6 US mpg) |
| Fuel consumption (extra urban – NEDC) | 6-6.7 l/100 km (39.2 – 35.1 US mpg) |
| Fuel consumption (combined – NEDC) | 7.8-8.4 l/100 km (30.2 – 28 US mpg) |
| CO2 emissions (NEDC) | 179-192 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) |
| Emission standard | Euro 6D-ISC-FCM |
| Weight-to-power ratio | 4.6 kg/Hp |
| Weight-to-torque ratio | 3.8 kg/Nm |
| 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 Power | 435 Hp @ 5900-6100 rpm |
| Engine Torque | 520 Nm @ 1800-5500 rpm (383.53 lb.-ft.) |
| Engine displacement | 2999 cm3 (183.01 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 92.4 mm (3.64 in.) |
| Compression ratio | 10.5:1 |
| Kerb Weight | 1990 kg (4387.2 lbs.) |
| Max. weight | 2820 kg (6217.04 lbs.) |
| Trunk (boot) space | 550 l (19.42 cu. ft.) |
| Fuel tank capacity | 65 l (17.17 US gal) |
| Length | 5289 mm (208.23 in.) |
| Width | 1921-1954 mm (75.63 – 76.93 in.) |
| Height | 1503 mm (59.17 in.) |
| Wheelbase | 3216 mm (126.61 in.) |
| Number of gears | 9 |
| Gearbox type | Automatic (9G-TRONIC) |
Powertrain & Engine Architecture
The heart of the S 500 4MATIC is the M 256.930 3.0-liter inline-six cylinder engine. This engine utilizes a sophisticated combination of technologies, including direct fuel injection, a single turbocharger, and an electric auxiliary compressor. The electric compressor, powered by the 48-volt mild-hybrid system, provides near-instant boost, eliminating turbo lag and enhancing low-end responsiveness. The EQ Boost system adds 22 horsepower and 250 Nm of torque, assisting the engine during acceleration and enabling smoother start/stop functionality. The engine is paired with Mercedes-Benz’s 9G-TRONIC nine-speed automatic transmission, known for its smooth shifts and wide gear ratios. This transmission is specifically tuned to complement the engine’s characteristics, optimizing both performance and fuel efficiency.
Driving Characteristics
The S 500 4MATIC delivers a remarkably refined and powerful driving experience. The combination of the inline-six engine, EQ Boost, and 9G-TRONIC transmission results in effortless acceleration and a broad torque curve. While not as overtly sporty as some of its competitors, the S 500 offers more than adequate performance for spirited driving, achieving 0-60 mph in approximately 4.7 seconds. The 4MATIC all-wheel-drive system provides excellent traction in all weather conditions. The air suspension, standard on this model, contributes to a supremely comfortable ride, effectively isolating passengers from road imperfections. Compared to the S 450, the S 500 offers a noticeable increase in power and responsiveness. It doesn’t possess the raw power of the S 63 AMG, but provides a more balanced and refined experience.
Equipment & Trim Levels
The S 500 4MATIC came generously equipped as standard. Key features included leather upholstery, heated and ventilated front seats with massage functions, a Burmester surround sound system, a large dual-screen display incorporating the MBUX infotainment system, and a comprehensive suite of driver-assistance technologies such as adaptive cruise control, lane-keeping assist, and automatic emergency braking. The extended wheelbase provided significantly more rear legroom than the standard S-Class. Optional extras included premium leather options, rear-seat entertainment systems, and various cosmetic enhancements. The interior design emphasized luxury and sophistication, with high-quality materials and meticulous attention to detail.
Chassis & Braking
The V223 S-Class features an advanced chassis design incorporating an independent multi-link suspension at all four corners, coupled with the AIRMATIC air suspension system. This system automatically adjusts the suspension damping and ride height based on road conditions and driving style. The S 500 4MATIC is equipped with ventilated disc brakes on all wheels, providing ample stopping power. The electronic stability program (ESP) and anti-lock braking system (ABS) are standard features, enhancing safety and control. Available options included rear-axle steering, which further enhances maneuverability, particularly in urban environments.
Market Reception & Comparison
The S 500 4MATIC was generally well-received by automotive critics, who praised its luxurious interior, advanced technology, and refined driving experience. The mild-hybrid system was lauded for its ability to improve fuel efficiency without sacrificing performance. Compared to other S-Class variants, the S 500 offered a compelling balance of power, comfort, and technology. While the S 450 provided a more affordable entry point into the S-Class range, the S 500 delivered a more satisfying level of performance. Fuel economy, while respectable for a vehicle of this size and performance, was not a primary selling point, with combined figures ranging from 8-9.5 l/100 km.
Legacy
The V223 S 500 4MATIC represents a significant step forward in luxury sedan technology. The M 256 engine, with its innovative EQ Boost system, proved to be a reliable and efficient powerplant. While long-term reliability data is still emerging, early reports suggest that the powertrain is generally robust. On the used car market, the V223 S 500 4MATIC commands a premium price due to its desirable combination of features, performance, and prestige. Its advanced technology and luxurious appointments continue to appeal to discerning buyers seeking a top-tier luxury sedan.
