The Mercedes-Benz C-Class T-modell (S204) C 200 CDI BlueEFFICIENCY, produced from 2009 to 2011, represented a key variant within the second generation of the C-Class estate (wagon) range. Positioned as a fuel-efficient and practical option, it catered to buyers seeking the versatility of a wagon without sacrificing the prestige of the Mercedes-Benz brand. This model occupied a mid-range position in the S204 lineup, slotting below the more powerful C 250 CDI and C 350 variants, and above the base C 180 CDI. It was primarily marketed in Europe, where the estate body style enjoys significant popularity, offering a blend of luxury, economy, and cargo capacity.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-Class |
| Generation | C-Class T-modell (S204) |
| Type (Engine) | C 200 CDI BlueEFFICIENCY (136 Hp) |
| Start of production | 2009 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 6.7-7.4 l/100 km (35.1 – 31.8 US mpg, 42.2 – 38.2 UK mpg, 14.9 – 13.5 km/l) |
| Fuel consumption (extra urban) | 4.4-5.1 l/100 km (53.5 – 46.1 US mpg, 64.2 – 55.4 UK mpg, 22.7 – 19.6 km/l) |
| Fuel consumption (combined) | 5.2-5.9 l/100 km (45.2 – 39.9 US mpg, 54.3 – 47.9 UK mpg, 19.2 – 16.9 km/l) |
| CO2 emissions | 137-155 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 9.6 sec |
| Acceleration 0 – 62 mph | 9.6 sec |
| Acceleration 0 – 60 mph | 9.1 sec |
| Maximum speed | 209 km/h (129.87 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 11.5 kg/Hp, 87.2 Hp/tonne |
| Weight-to-torque ratio | 4.3 kg/Nm, 230.8 Nm/tonne |
| Power | 136 Hp @ 2800 rpm |
| Power per litre | 63.5 Hp/l |
| Torque | 360 Nm @ 1600-2600 rpm (265.52 lb.-ft. @ 1600-2600 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 651.913 |
| Engine displacement | 2143 cm3 (130.77 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 99 mm (3.9 in.) |
| Compression ratio | 17.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 1560 kg (3439.21 lbs.) |
| Max. weight | 2175 kg (4795.05 lbs.) |
| Max load | 615 kg (1355.84 lbs.) |
| Trunk (boot) space – minimum | 485 l (17.13 cu. ft.) |
| Trunk (boot) space – maximum | 1500 l (52.97 cu. ft.) |
| Fuel tank capacity | 59 l (15.59 US gal | 12.98 UK gal) |
| Permitted trailer load with brakes (12%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4596 mm (180.94 in.) |
| Width | 1770 mm (69.69 in.) |
| Width including mirrors | 2009 mm (79.09 in.) |
| Height | 1459 mm (57.44 in.) |
| Wheelbase | 2760 mm (108.66 in.) |
| Front track | 1541 mm (60.67 in.) |
| Rear track | 1544 mm (60.79 in.) |
| Front overhang | 765 mm (30.12 in.) |
| Rear overhang | 1071 mm (42.17 in.) |
| Minimum turning circle | 10.84 m (35.56 ft.) |
| Drivetrain | Rear wheel drive |
| Number of gears | 6 |
| Gearbox type | Manual transmission |
| Front suspension | Independent type McPherson, Transverse stabilizer |
| Rear suspension | Independent multi-link suspension, Transverse stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 205/55 R16 |
| Wheel rims size | 7J x 16 |
Powertrain & Engine Architecture
The C 200 CDI BlueEFFICIENCY was powered by the OM 651.913, a 2.1-liter inline-four cylinder diesel engine. This engine was a cornerstone of Mercedes-Benz’s diesel offerings during this period, known for its robust construction and relatively quiet operation for a diesel. It featured a common rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. The engine also incorporated a turbocharger with an intercooler, boosting power and torque. The BlueEFFICIENCY designation indicated the inclusion of various fuel-saving technologies, such as optimized engine management and reduced-friction components. The six-speed manual transmission was standard, providing a balance between fuel efficiency and driver control. The engine produced 136 horsepower at 2800 rpm and 360 Nm (265 lb-ft) of torque between 1600 and 2600 rpm.
Driving Characteristics
The C 200 CDI BlueEFFICIENCY offered a comfortable and refined driving experience, prioritizing fuel economy over outright performance. Acceleration from 0-100 km/h (0-62 mph) took approximately 9.6 seconds, making it adequate for everyday driving but not particularly sporty. The manual transmission, while offering more driver engagement than an automatic, had relatively long throws. The engine’s torque delivery was strong from low revs, making it easy to navigate city traffic and providing sufficient power for overtaking maneuvers on the highway. Compared to the more powerful C 250 CDI, the C 200 CDI felt noticeably slower, but it offered significantly better fuel economy. The suspension provided a comfortable ride, absorbing bumps and imperfections in the road effectively.
Equipment & Trim Levels
The C 200 CDI BlueEFFICIENCY came standard with a respectable level of equipment, including air conditioning, a multi-function steering wheel, electric windows, and a basic audio system. Upholstery was typically cloth, although leather options were available. Common optional extras included a sunroof, upgraded audio systems, navigation, and parking sensors. The “BlueEFFICIENCY” package itself included features like low rolling resistance tires and aerodynamic enhancements to improve fuel economy. Interior trim levels varied, with options for wood or aluminum accents.
Chassis & Braking
The S204 C-Class featured an independent suspension system all around, with McPherson struts at the front and a multi-link setup at the rear. This configuration provided a good balance between ride comfort and handling. The C 200 CDI was equipped with ventilated disc brakes at the front and solid discs at the rear. Anti-lock Braking System (ABS) was standard, enhancing safety during emergency braking situations. The steering was a hydraulic power-assisted rack and pinion system, offering precise and responsive control.
Market Reception & Comparison
The C 200 CDI BlueEFFICIENCY was well-received by critics for its fuel efficiency and practicality. It was praised for its comfortable ride and refined interior, typical of the Mercedes-Benz brand. However, some reviewers noted that the engine lacked the punch of its more powerful siblings. Compared to competitors like the Audi A4 Avant and BMW 3 Series Touring, the C 200 CDI offered a competitive combination of features, fuel economy, and price. Its diesel engine provided significantly better fuel economy than comparable gasoline-powered models.
Legacy
The OM 651 engine family, including the 2.1-liter variant found in the C 200 CDI, proved to be remarkably durable and reliable. These engines are known to withstand high mileage with proper maintenance. In the used car market, the C 200 CDI BlueEFFICIENCY remains a popular choice for buyers seeking a practical and economical estate car. While older examples may require attention to wear-and-tear items, the engine itself is generally considered robust. The S204 C-Class T-modell, and specifically this variant, represents a well-engineered and practical vehicle that continues to offer value to this day.
