The Mercedes-Benz S-Class Coupe (C217) S 500 V8 4MATIC, produced from April 2014 to October 2016, represented the pinnacle of luxury coupe design and performance for the German automaker. Positioned as a high-end variant within the C217 S-Class Coupe range, it offered a compelling blend of power, sophisticated technology, and opulent comfort. This model served as a direct competitor to grand tourers from brands like BMW and Bentley, appealing to buyers seeking a statement vehicle with exceptional driving dynamics. It was built on the same platform as the S-Class sedan (W222), but with a more sporting focus and a two-door configuration.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | S-class |
| Generation | S-class Coupe (C217) |
| Type | S 500 V8 (455 Hp) 4MATIC 7G-TRONIC PLUS |
| Start of production | April, 2014 |
| End of production | October, 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 12.5-13.1 l/100 km (18.8 – 18 US mpg, 22.6 – 21.6 UK mpg, 8 – 7.6 km/l) |
| Fuel consumption (extra urban) | 7.1-7.5 l/100 km (33.1 – 31.4 US mpg, 39.8 – 37.7 UK mpg, 14.1 – 13.3 km/l) |
| Fuel consumption (combined) | 9.4-9.9 l/100 km (25 – 23.8 US mpg, 30.1 – 28.5 UK mpg, 10.6 – 10.1 km/l) |
| CO2 emissions | 219-232 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.6 sec |
| Acceleration 0 – 62 mph | 4.6 sec |
| Acceleration 0 – 60 mph | 4.4 sec |
| Maximum speed | 250 km/h (155.34 mph) – Electronically limited |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 4.4 kg/Hp, 225.8 Hp/tonne |
| Weight-to-torque ratio | 2.9 kg/Nm, 347.4 Nm/tonne |
| Power | 455 Hp @ 5250-5500 rpm |
| Torque | 700 Nm @ 1800-3500 rpm (516.29 lb.-ft. @ 1800-3500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 278.929 |
| Engine displacement | 4663 cm3 (284.55 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 92.9 mm (3.66 in.) |
| Piston Stroke | 86 mm (3.39 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | BiTurbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Coolant capacity | 12.1 l (12.79 US qt | 10.65 UK qt) |
| Kerb Weight | 2015 kg (4442.31 lbs.) |
| Max. weight | 2595 kg (5721 lbs.) |
| Max load | 580 kg (1278.68 lbs.) |
| Trunk (boot) space (minimum) | 400 l (14.13 cu. ft.) |
| Fuel tank capacity | 80 l (21.13 US gal | 17.6 UK gal) |
| Length | 5027 mm (197.91 in.) |
| Width | 1899 mm (74.76 in.) |
| Width including mirrors | 2108 mm (82.99 in.) |
| Height | 1411 mm (55.55 in.) |
| Wheelbase | 2945 mm (115.94 in.) |
| Front track | 1625 mm (63.98 in.) |
| Rear track | 1649 mm (64.92 in.) |
| Front overhang | 954 mm (37.56 in.) |
| Rear overhang | 1128 mm (44.41 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle | 11.6 m (38.06 ft.) |
| Drivetrain Architecture | All wheel drive (4×4). ICE drives all four wheels. |
| Number of gears | 7 |
| Gearbox type | Automatic transmission G-TRONIC PLUS |
INTRODUCTION
The C217 S-Class Coupe, launched in 2014, was designed to offer a more dynamic and emotionally engaging alternative to the traditional S-Class sedan. The S 500 V8 4MATIC variant, with its potent twin-turbocharged V8 engine and all-wheel-drive system, occupied a sweet spot in the lineup, providing substantial performance without sacrificing the luxurious appointments expected of a flagship Mercedes-Benz. It represented a significant step up from the base S 400 models and offered a more accessible entry point into the high-performance world of the S 63 AMG.
Powertrain & Engine Architecture
At the heart of the S 500 V8 4MATIC lies the M278.929 4.7-liter V8 engine. This engine utilizes direct fuel injection and twin turbochargers, along with an intercooler, to deliver a substantial 455 horsepower and 516 lb-ft of torque. The engine’s architecture features a 92.9mm bore and 86mm stroke, resulting in a displacement of 4663cc. The valvetrain employs Double Overhead Camshafts (DOHC) with four valves per cylinder. The engine also incorporates a Start & Stop system for improved fuel efficiency. Power is transmitted to all four wheels via Mercedes-Benz’s 7G-TRONIC PLUS seven-speed automatic transmission, known for its smooth and responsive shifts. This transmission is electronically controlled and adapts to driving conditions for optimal performance and efficiency.
Driving Characteristics
The S 500 V8 4MATIC delivers a refined yet powerful driving experience. The twin-turbo V8 provides ample low-end torque, making for effortless acceleration in everyday driving situations. The 0-60 mph sprint takes approximately 4.4 seconds, and the electronically limited top speed of 155 mph is easily achievable. The 7G-TRONIC PLUS transmission contributes to the smooth power delivery, and the 4MATIC all-wheel-drive system provides excellent traction in various weather conditions. Compared to the S 400, the S 500 offers a noticeably more responsive and engaging driving experience. While not as overtly sporty as the S 63 AMG, the S 500 strikes a compelling balance between performance and comfort.
Equipment & Trim Levels
The S 500 V8 4MATIC came standard with a comprehensive array of luxury features. Interior appointments included high-quality leather upholstery, wood trim, and brushed aluminum accents. Standard equipment typically included a panoramic sunroof, heated and ventilated front seats with massage functions, a premium sound system, and a large infotainment display with navigation. Optional extras included advanced driver-assistance systems such as adaptive cruise control, lane-keeping assist, and a head-up display. Buyers could also customize their vehicles with a wide range of interior and exterior options, including different leather colors, trim materials, and wheel designs.
Chassis & Braking
The C217 S-Class Coupe featured an independent multi-link suspension at both the front and rear, enhanced with an air suspension system for a smooth and controlled ride. The air suspension automatically adjusts to road conditions and driving style, providing optimal comfort and handling. The S 500 V8 4MATIC was equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock Braking System (ABS) was standard, along with Electronic Stability Program (ESP) for enhanced safety. The suspension was tuned to complement the vehicle’s weight and power, offering a stable and confident driving experience.
Market Reception & Comparison
The S 500 V8 4MATIC was generally well-received by automotive critics. Reviewers praised its powerful engine, luxurious interior, and refined driving dynamics. Fuel economy, while not exceptional for a vehicle of this size and performance, was considered reasonable for the class. Compared to the S 400, the S 500 offered a significant performance upgrade, justifying the higher price tag for buyers seeking more power. Against competitors like the BMW 6 Series and Bentley Continental GT, the S 500 V8 4MATIC offered a compelling combination of luxury, performance, and technology.
Legacy
The M278 engine family, including the one found in the S 500 V8 4MATIC, has proven to be relatively reliable, although preventative maintenance is crucial. Common issues can include oil leaks and occasional turbocharger problems, but these are generally not widespread. Today, the C217 S-Class Coupe S 500 V8 4MATIC holds its value well in the used car market, appealing to buyers seeking a luxurious and capable grand tourer. Its combination of performance, comfort, and technology continues to make it a desirable vehicle for discerning drivers.
