The Mercedes-Benz S-Class Coupe (C140) S 500 V8, produced from September 1995 to May 1996, represented a significant evolution in the luxury coupe segment. Positioned as a high-performance variant within the C140 S-Class Coupe range, it offered a blend of grand touring comfort and robust V8 power. This model was part of the broader C140 generation, which itself succeeded the W126 S-Class and introduced a new level of technology and refinement to the Mercedes-Benz lineup. The S 500 V8 aimed to deliver a more dynamic driving experience than the standard S-Class models while maintaining the brand’s reputation for luxury and build quality.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | S-class |
| Generation | S-class Coupe (C140) |
| Type (Engine) | S 500 V8 (320 Hp) 5G-TRONIC |
| Start of production | September, 1995 |
| End of production | May, 1996 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (economy) – urban | 16.8 l/100 km (14 US mpg, 16.8 UK mpg, 6 km/l) |
| Fuel consumption (economy) – extra urban | 9.6-10.2 l/100 km (24.5 – 23.1 US mpg, 29.4 – 27.7 UK mpg, 10.4 – 9.8 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.5 sec |
| Acceleration 0 – 62 mph | 7.5 sec |
| Acceleration 0 – 60 mph | 7.1 sec |
| Maximum speed | 250 km/h (155.34 mph), Electronically limited |
| Weight-to-power ratio | 6.3 kg/Hp, 159.6 Hp/tonne |
| Weight-to-torque ratio | 4.3 kg/Nm, 234.4 Nm/tonne |
| Power | 320 Hp @ 5600 rpm |
| Power per litre | 64.3 Hp/l |
| Torque | 470 Nm @ 3900 rpm (346.65 lb.-ft. @ 3900 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 119.980 |
| Engine displacement | 4973 cm3 (303.47 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 96.5 mm (3.8 in.) |
| Piston Stroke | 85 mm (3.35 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Coolant | 16.5 l (17.44 US qt | 14.52 UK qt) |
| Kerb Weight | 2005 kg (4420.27 lbs.) |
| Max. weight | 2600 kg (5732.02 lbs.) |
| Max load | 595 kg (1311.75 lbs.) |
| Fuel tank capacity | 100 l (26.42 US gal | 22 UK gal) |
| Length | 5065 mm (199.41 in.) |
| Width | 1912 mm (75.28 in.) |
| Height | 1452 mm (57.17 in.) |
| Wheelbase | 2945 mm (115.94 in.) |
| Front track | 1614 mm (63.54 in.) |
| Rear (Back) track | 1587 mm (62.48 in.) |
| Minimum turning circle | 11.91 m (39.07 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, automatic transmission G-TRONIC |
| Front suspension | Coil spring, Double wishbone, Transverse stabilizer |
| Rear suspension | Independent multi-link suspension, Transverse stabilizer, Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Cone worm with recirculation balls |
| Power steering | Hydraulic Steering |
| Tires size | 255/45 R18 |
| Wheel rims size | 8.5J x 18 |
Powertrain & Engine Architecture
The heart of the S 500 V8 was the M119.980 engine, a 4.973-liter (303.47 cubic inches) naturally aspirated V8. This engine was a cornerstone of Mercedes-Benz’s high-performance offerings during the mid-1990s. It featured a cast-iron block and aluminum cylinder heads, incorporating a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. Fuel delivery was managed by a multi-port fuel injection system, optimizing combustion efficiency and power output. The engine produced 320 horsepower at 5600 rpm and 470 Nm (346.65 lb-ft) of torque at 3900 rpm. The engine’s longitudinal mounting and rear-wheel-drive configuration were typical for grand touring vehicles of the era.
The S 500 V8 was paired with a 5G-TRONIC automatic transmission, a five-speed unit developed by Mercedes-Benz. This transmission was designed for smooth and refined gear changes, complementing the engine’s power delivery and enhancing the overall driving experience. The 5G-TRONIC featured electronic control, allowing for adaptive shifting based on driving conditions and driver input.
Driving Characteristics
The S 500 V8 offered a compelling blend of performance and comfort. Acceleration from 0 to 60 mph was achieved in approximately 7.1 seconds, and the car was electronically limited to a top speed of 250 km/h (155 mph). While not overtly sporty, the V8 engine provided ample power for effortless cruising and confident overtaking. The automatic transmission contributed to a relaxed driving experience, particularly in city traffic. Compared to the base S-Class models with smaller engines, the S 500 V8 delivered a noticeably more responsive and engaging driving experience. However, it wasn’t as focused on outright performance as some of its competitors, such as the Porsche 928 or BMW 8 Series.
Equipment & Trim Levels
The S 500 V8 came standard with a comprehensive array of luxury features, befitting its position in the Mercedes-Benz lineup. These included leather upholstery, power-adjustable seats with memory function, automatic climate control, a premium sound system, and wood trim throughout the cabin. Optional extras included a sunroof, upgraded sound systems, and various driver-assistance features. The interior design emphasized elegance and sophistication, with a focus on high-quality materials and meticulous craftsmanship.
Chassis & Braking
The C140 S-Class Coupe featured a robust chassis with independent suspension at all four wheels. The front suspension utilized coil springs and a double wishbone setup, while the rear employed an independent multi-link suspension. Both ends were equipped with transverse stabilizers to minimize body roll during cornering. Braking duties were handled by ventilated disc brakes on all four wheels, assisted by an Anti-lock Braking System (ABS). The steering system was a cone worm with recirculation balls, providing precise and responsive control.
Market Reception & Comparison
The S 500 V8 was generally well-received by automotive critics, who praised its powerful engine, luxurious interior, and refined driving experience. However, some reviewers noted that its size and weight could make it feel less agile than some of its competitors. Fuel economy was also a concern, with reported figures of around 16.8 l/100 km (14 US mpg) in urban driving. Compared to other S-Class variants, the S 500 V8 offered a significant performance upgrade, but at a higher price point. It appealed to buyers who prioritized power and refinement over fuel efficiency and ultimate handling prowess.
Legacy
The M119 engine, found in the S 500 V8, is known for its durability and reliability when properly maintained. While the C140 S-Class Coupe is now a classic car, examples in good condition are still sought after by enthusiasts. The 5G-TRONIC transmission, while advanced for its time, can require more frequent servicing as it ages. Today, the S 500 V8 represents a high point in Mercedes-Benz’s grand touring heritage, offering a unique combination of luxury, performance, and timeless design. Finding well-maintained examples can be challenging, but the reward is a truly special and rewarding driving experience.
