The Mercedes-Benz S 600 V12, part of the long-wheelbase (V221) S-Class facelift introduced in 2009, represented the pinnacle of luxury and performance within the already prestigious S-Class range. Produced through 2013, this variant was positioned as the flagship model, offering a significantly more powerful engine and enhanced features compared to other S-Class trims like the S550 or S350. The V221 generation S-Class, launched in 2005, aimed to solidify Mercedes-Benz’s reputation for innovation and refinement, and the facelift brought updated styling, improved technology, and more efficient powertrains. The S 600 V12, however, remained focused on delivering uncompromising power and a supremely comfortable driving experience.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | S-class |
| Generation | S-class Long (V221, facelift 2009) |
| Type (Engine) | S 600 V12 (517 Hp) Automatic |
| Start of production | 2009 |
| End of production | 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (economy) – urban | 21.7 l/100 km (10.8 US mpg, 13 UK mpg, 4.6 km/l) |
| Fuel consumption (economy) – extra urban | 10 l/100 km (23.5 US mpg, 28.2 UK mpg, 10 km/l) |
| Fuel consumption (economy) – combined | 14.3 l/100 km (16.4 US mpg, 19.8 UK mpg, 7 km/l) |
| CO2 emissions | 340 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) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 4.1 kg/Hp, 242.2 Hp/tonne |
| Weight-to-torque ratio | 2.6 kg/Nm, 388.8 Nm/tonne |
| Power | 517 Hp @ 5000 rpm |
| Power per litre | 93.8 Hp/l |
| Torque | 830 Nm @ 1800-3500 rpm (612.18 lb.-ft. @ 1800-3500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 275.953 |
| Engine displacement | 5513 cm3 (336.42 cu. in.) |
| Number of cylinders | 12 |
| Engine configuration | V-engine |
| Compression ratio | 9:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | BiTurbo, Intercooler |
| Engine oil capacity | 9 l (9.51 US qt | 7.92 UK qt) |
| Coolant | 9 l (9.51 US qt | 7.92 UK qt) |
| Kerb Weight | 2135 kg (4706.87 lbs.) |
| Max. weight | 2690 kg (5930.43 lbs.) |
| Max load | 555 kg (1223.57 lbs.) |
| Trunk (boot) space – minimum | 560 l (19.78 cu. ft.) |
| Fuel tank capacity | 90 l (23.78 US gal | 19.8 UK gal) |
| Length | 5226 mm (205.75 in.) |
| Width | 1871 mm (73.66 in.) |
| Width including mirrors | 2120 mm (83.46 in.) |
| Height | 1479 mm (58.23 in.) |
| Wheelbase | 3165 mm (124.61 in.) |
| Front track | 1600 mm (62.99 in.) |
| Rear (Back) track | 1606 mm (63.23 in.) |
| Front overhang | 888 mm (34.96 in.) |
| Rear overhang | 1173 mm (46.18 in.) |
| Minimum turning circle | 12.2 m (40.03 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, automatic transmission |
| Front brakes | Disc |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 255/45 R18; 275/45 R18 |
| Wheel rims size | 18 |
INTRODUCTION
The S 600 V12, produced from 2009 to 2013, was a long-wheelbase variant of the V221 Mercedes-Benz S-Class. The “long” designation indicated an extended wheelbase, providing significantly more rear passenger legroom, catering to buyers who often utilized a chauffeur. This model occupied the very top tier of the S-Class lineup, distinguished by its powerful 5.5-liter twin-turbocharged V12 engine. It was designed to compete with other ultra-luxury sedans like the BMW 760Li and the Audi A8 L W12, offering a blend of opulent comfort, cutting-edge technology, and breathtaking performance. The facelift in 2009 brought revised styling, including new headlights and taillights, along with updated interior features and improved efficiency across the range, though the S 600 V12 remained focused on delivering maximum power.
Powertrain & Engine Architecture
The heart of the S 600 V12 was the M275.953 engine, a 5.5-liter V12 featuring twin turbochargers and a three-valve-per-cylinder design. This engine produced 517 horsepower at 5000 rpm and a massive 830 Nm (612 lb-ft) of torque available from just 1800 rpm, sustaining through 3500 rpm. The engine utilized multi-port fuel injection and a compression ratio of 9:1. The twin-turbochargers, strategically positioned within the V of the engine, minimized turbo lag and provided a broad, flat torque curve. The engine was paired with Mercedes-Benz’s 7G-TRONIC seven-speed automatic transmission, known for its smooth and responsive shifts. This transmission was specifically calibrated to handle the immense power and torque output of the V12 engine. The transmission offered selectable driving modes, allowing the driver to prioritize comfort or performance.
Driving Characteristics
The S 600 V12 delivered a driving experience that was both effortless and exhilarating. The abundant torque allowed for incredibly swift acceleration – 0 to 60 mph in approximately 4.4 seconds – despite the car’s substantial weight. The 7G-TRONIC transmission contributed to seamless gear changes, enhancing the feeling of smooth, uninterrupted power delivery. While not overtly sporty, the S 600 V12 offered a level of performance that belied its size and luxury focus. Compared to the S550 (V8) or S350 (V6) models, the V12 provided a significantly more powerful and refined experience. The V12’s power delivery was remarkably linear, making it easy to modulate throttle response and maintain control. The long wheelbase and sophisticated suspension system ensured a comfortable and composed ride, even at high speeds.
Equipment & Trim Levels
As the flagship model, the S 600 V12 came standard with a comprehensive array of luxury features. These included premium leather upholstery, heated and ventilated front and rear seats with massage functions, a sophisticated climate control system, and a high-end audio system. The interior was adorned with wood trim and brushed aluminum accents. Standard safety features included a suite of airbags, stability control, and advanced braking systems. Optional extras included a rear-seat entertainment system, a panoramic sunroof, and various driver-assistance technologies. The long wheelbase provided ample space for rear passengers, making it a popular choice for those who frequently traveled with clients or family.
Chassis & Braking
The S 600 V12 featured a fully independent suspension system, utilizing air suspension with adaptive damping control. This system automatically adjusted the suspension settings based on road conditions and driving style, providing a comfortable ride while maintaining excellent handling. The car was equipped with disc brakes on all four wheels, coupled with an anti-lock braking system (ABS) and electronic brake-force distribution. The braking system was designed to provide powerful and consistent stopping performance, even under demanding conditions. The S 600 V12 also featured a speed-sensitive steering system, which adjusted the steering effort based on vehicle speed.
Market Reception & Comparison
The S 600 V12 was generally well-received by automotive critics, who praised its powerful engine, luxurious interior, and advanced technology. However, its high price tag and significant fuel consumption were often noted. Compared to the S550, the V12 offered a substantial performance advantage but came at a considerable premium. The S 600 V12’s fuel economy was considerably lower than that of the V8 or V6 models, reflecting the inherent inefficiencies of a large-displacement V12 engine. Reliability was generally good, although the complex engine and numerous electronic systems meant that maintenance costs could be high.
Legacy
The Mercedes-Benz S 600 V12 (V221) remains a highly sought-after vehicle among collectors and enthusiasts. The M275 V12 engine is known for its durability and smooth operation, although regular maintenance is crucial to ensure its longevity. Today, well-maintained examples command a premium in the used car market. While modern Mercedes-Benz models offer even more advanced technology and improved efficiency, the S 600 V12 represents a unique chapter in the brand’s history, embodying a commitment to uncompromising luxury and performance. Its status as a flagship sedan continues to resonate with those seeking a truly exceptional driving experience.
