The Mercedes-Benz C-Class (W204) C 350 V6 4MATIC, produced from 2009 to 2011, represented a compelling blend of performance and all-weather capability within the broader W204 C-Class range. Positioned as a mid-to-upper tier offering, it slotted above the C300 and below the performance-oriented C63 AMG. This variant combined a naturally aspirated 3.5-liter V6 engine with Mercedes-Benz’s 4MATIC all-wheel-drive system and the 7G-TRONIC seven-speed automatic transmission, aiming to deliver a refined and capable driving experience. The W204 generation, launched in 2007, aimed to elevate the C-Class’s standing in the compact executive car segment, focusing on improved build quality, interior refinement, and driving dynamics.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-Class |
| Generation | C-Class (W204) |
| Type | C 350 V6 (272 Hp) 4MATIC 7G-TRONIC |
| Start of production | 2009 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 14.8 l/100 km (15.9 US mpg, 19.1 UK mpg) |
| Fuel consumption (extra urban) | 7.7 l/100 km (30.5 US mpg, 36.7 UK mpg) |
| Fuel consumption (combined) | 10.2 l/100 km (23.1 US mpg, 27.7 UK mpg) |
| CO2 emissions | 239 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6.3 sec |
| Acceleration 0 – 62 mph | 6.3 sec |
| Acceleration 0 – 60 mph | 6 sec |
| Maximum speed | 250 km/h (155.34 mph) – Electronically limited |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 5.9 kg/Hp |
| Weight-to-torque ratio | 4.6 kg/Nm |
| Power | 272 Hp @ 6000 rpm |
| Torque | 350 Nm @ 2400-5000 rpm (258.15 lb.-ft. @ 2400-5000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 272.971 |
| Engine displacement | 3498 cm3 (213.46 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 92.9 mm (3.66 in.) |
| Piston Stroke | 86 mm (3.39 in.) |
| Compression ratio | 10.7:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated |
| Valvetrain | DOHC |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Kerb Weight | 1595 kg (3516.37 lbs.) |
| Max. weight | 2155 kg (4750.96 lbs.) |
| Max load | 560 kg (1234.59 lbs.) |
| Trunk (boot) space (minimum) | 475 l (16.77 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Permitted trailer load (with brakes) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load (without brakes) | 750 kg (1653.47 lbs.) |
| Length | 4581 mm (180.35 in.) |
| Width | 1770 mm (69.69 in.) |
| Width including mirrors | 2009 mm (79.09 in.) |
| Height | 1449 mm (57.05 in.) |
| Wheelbase | 2760 mm (108.66 in.) |
| Front track | 1533 mm (60.35 in.) |
| Rear track | 1536 mm (60.47 in.) |
| Front overhang | 765 mm (30.12 in.) |
| Rear overhang | 1056 mm (41.57 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle | 10.84 m (35.56 ft.) |
| Drivetrain | All wheel drive (4×4) |
| Number of gears | 7 |
| Gearbox type | Automatic transmission G-TRONIC |
| Front suspension | Independent type McPherson, Transverse stabilizer |
| Rear suspension | Independent multi-link suspension, Transverse stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
Powertrain & Engine Architecture
The heart of the C 350 4MATIC was the M272.971 3.5-liter naturally aspirated V6 engine. This engine, a staple in many Mercedes-Benz models of the era, featured a 60-degree V-angle and utilized a multi-port fuel injection system. The engine’s design prioritized smooth power delivery and refinement over outright peak horsepower. It boasted dual overhead camshafts (DOHC) with four valves per cylinder, contributing to its relatively high specific output. The 7G-TRONIC seven-speed automatic transmission, a hallmark of Mercedes-Benz technology, provided smooth and efficient gear changes. This transmission was known for its wide gear ratio spread, aiding both fuel economy and acceleration. The 4MATIC system employed a full-time all-wheel-drive configuration, distributing power between the front and rear axles for enhanced traction in various conditions. The system typically favored a rear-wheel bias for a more engaging driving experience.
Driving Characteristics
The C 350 4MATIC offered a balanced driving experience. While not as overtly sporty as some of its rivals, it provided ample power for everyday driving and confident highway cruising. The 272 horsepower and 350 Nm (258 lb-ft) of torque delivered brisk acceleration, with a 0-60 mph time of around 6 seconds. The 7G-TRONIC transmission contributed to smooth and seamless gear changes, enhancing the overall refinement. Compared to the C300, the C 350 offered a noticeable performance upgrade. However, it lacked the aggressive character of the C63 AMG. The 4MATIC system provided excellent grip and stability, particularly in inclement weather, making it a practical choice for drivers in regions with challenging road conditions. The gear ratios were tuned for a balance between acceleration and fuel efficiency, with taller gears for highway cruising and shorter gears for quicker response.
Equipment & Trim Levels
The C 350 4MATIC typically came well-equipped as standard. Features included leather upholstery, automatic climate control, a premium audio system, and power-adjustable front seats. Optional extras included a navigation system, a sunroof, heated seats, and advanced driver-assistance systems like parking assist and lane-keeping assist. Interior trim options ranged from wood veneers to aluminum accents, allowing buyers to personalize the cabin. The dashboard layout was typical of Mercedes-Benz at the time, emphasizing a clean and elegant design. The instrument cluster featured analog gauges with a central multi-function display.
Chassis & Braking
The W204 C-Class featured a sophisticated chassis design. The front suspension utilized a McPherson strut setup, while the rear employed a multi-link independent suspension. This configuration aimed to provide a comfortable ride while maintaining good handling characteristics. The C 350 4MATIC was equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESP) were standard features, enhancing safety and control. The steering system was a hydraulic power-assisted rack and pinion setup, offering precise and responsive steering feel.
Market Reception & Comparison
The C 350 4MATIC was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and all-weather capability. However, some reviewers noted that it lacked the sporty character of some of its competitors, such as the BMW 335i. Fuel economy was considered average for its class, with combined figures around 23 mpg. Compared to the C300, the C 350 offered a significant performance boost, but at a higher price point. The C 350 also offered a more practical alternative to the rear-wheel-drive C350, particularly in regions with harsh winters.
Legacy
The M272 engine, while generally reliable, is known to require regular maintenance, particularly regarding oil changes and valve cover gasket replacements. The 7G-TRONIC transmission is also relatively robust but can be susceptible to issues if not properly maintained. Today, the W204 C 350 4MATIC represents a relatively affordable entry point into the Mercedes-Benz ownership experience. Well-maintained examples can still provide years of reliable service, offering a comfortable and capable driving experience. The combination of a smooth V6 engine, all-wheel drive, and a luxurious interior continues to appeal to buyers seeking a refined and practical compact executive car.
