The Mercedes-Benz C-Class T-modell (S204), specifically the C 200 CDI BlueEFFICIENCY variant produced from 2011 to 2014, represents a compelling blend of practicality, efficiency, and the renowned Mercedes-Benz driving experience. This model, part of the S204 facelift generation, occupied a significant position in the European market as a premium compact executive estate car. It catered to buyers seeking a versatile vehicle capable of both family duties and long-distance travel, while prioritizing fuel economy and lower emissions. The “BlueEFFICIENCY” designation signified Mercedes-Benz’s efforts to optimize fuel consumption through various engineering enhancements.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-Class |
| Generation | C-Class T-modell (S204, facelift 2011) |
| Type (Engine) | C 200 CDI BlueEFFICIENCY (136 Hp) |
| Start of production | 2011 |
| End of production | 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 6-6.4 l/100 km (39.2 – 36.8 US mpg) |
| Fuel consumption (extra urban) | 4.1-4.8 l/100 km (57.4 – 49 US mpg) |
| Fuel consumption (combined) | 4.8-5.4 l/100 km (49 – 43.6 US mpg) |
| CO2 emissions | 127-141 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 | 11.3 kg/Hp |
| Weight-to-torque ratio | 4.3 kg/Nm |
| Power | 136 Hp @ 2800-4600 rpm |
| Torque | 360 Nm @ 1600-2600 rpm (265.52 lb.-ft.) |
| 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 | 16.2:1 |
| 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 | 1540 kg (3395.12 lbs.) |
| Max. weight | 2155 kg (4750.96 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) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load (braked) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load (unbraked) | 750 kg (1653.47 lbs.) |
| Length | 4606 mm (181.34 in.) |
| Width | 1770 mm (69.69 in.) |
| Width including mirrors | 2008 mm (79.06 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 | 775 mm (30.51 in.) |
| Rear overhang | 1071 mm (42.17 in.) |
| Drag coefficient (Cd) | 0.29 |
| 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; 225/45 R17 |
| Wheel rims size | 7J x 16; 7.5J x 17 |
INTRODUCTION
The C 200 CDI BlueEFFICIENCY T-modell, launched in 2011 as part of the S204 facelift, was a key variant within the C-Class estate range. The S204 generation, built from 2007 to 2014, represented a significant step forward in terms of interior quality and refinement for the C-Class. The facelift brought updated styling, improved efficiency, and new technology. This particular model aimed to deliver a balance between performance, economy, and practicality, appealing to a broad customer base. It sat in the mid-range of the C-Class T-modell lineup, offering a more affordable entry point than the higher-powered C 250 CDI or C 350 models, while still providing a premium experience.
Powertrain & Engine Architecture
At the heart of the C 200 CDI BlueEFFICIENCY lies the OM651.913 2.1-liter four-cylinder diesel engine. This engine is a cornerstone of Mercedes-Benz’s diesel offerings, known for its durability and efficiency. The OM651 utilizes a second-generation common rail direct injection system, delivering fuel at extremely high pressures (1600 bar) for optimized combustion. A variable geometry turbocharger (VGT) with an intercooler further enhances performance and responsiveness. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its efficient breathing. The “BlueEFFICIENCY” package included features like optimized aerodynamics, low-rolling resistance tires, and an Eco start/stop system to minimize fuel consumption. The engine was paired with a 6-speed manual transmission, sending power to the rear wheels. While an automatic transmission was available as an option, the manual was the standard configuration for this variant.
Driving Characteristics
The C 200 CDI BlueEFFICIENCY T-modell offered a composed and refined driving experience. While not overtly sporty, the 136 horsepower and 360 Nm (265 lb-ft) of torque provided adequate performance for everyday driving and long-distance cruising. Acceleration from 0-100 km/h (0-62 mph) took around 9.6 seconds. The engine’s torque curve was relatively flat, providing good pulling power from low engine speeds, making it easy to navigate city traffic and overtake on the highway. The manual transmission, while requiring more driver involvement than an automatic, offered precise shifts and a greater sense of control. Compared to the more powerful C 250 CDI, the C 200 CDI felt less urgent in its acceleration, but it offered superior fuel economy. The suspension provided a comfortable ride, absorbing bumps and imperfections in the road surface effectively.
Equipment & Trim Levels
The C 200 CDI BlueEFFICIENCY T-modell came standard with a respectable level of equipment. This typically included features such as air conditioning, a multi-function steering wheel, electric windows, and a basic audio system. Upholstery was generally cloth, although leather options were available. Common optional extras included a sunroof, upgraded audio systems, navigation, parking sensors, and heated seats. Trim levels varied depending on the market, but generally offered packages that bundled together popular options. The interior design was typical of Mercedes-Benz, with a focus on quality materials and a functional layout.
Chassis & Braking
The S204 C-Class T-modell utilized a McPherson strut front suspension and a multi-link rear suspension. This setup provided a good balance between ride comfort and handling. Stabilizer bars were fitted to both axles to reduce body roll during cornering. The braking system consisted of ventilated discs at the front and solid discs at the rear. Anti-lock braking system (ABS) was standard, enhancing safety and control. The steering was a rack-and-pinion system with hydraulic power assistance, providing a precise and responsive feel.
Market Reception & Comparison
The C 200 CDI BlueEFFICIENCY T-modell was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and practical estate car body style. Critics noted that while the performance wasn’t exhilarating, it was more than adequate for most drivers. Compared to the C 250 CDI, the C 200 CDI offered significantly better fuel economy, making it a more attractive option for those prioritizing running costs. The C 200 CDI also undercut the C 250 CDI in price, making it a more accessible entry point into the C-Class range. Its main competitors included the Audi A4 Avant and the BMW 3 Series Touring.
Legacy
The OM651 engine, found in the C 200 CDI BlueEFFICIENCY, has proven to be a remarkably durable and reliable powerplant. With proper maintenance, these engines can easily exceed 200,000 kilometers (125,000 miles). On the used car market, the S204 C-Class T-modell remains a popular choice, offering a blend of practicality, comfort, and affordability. The C 200 CDI variant, in particular, is often sought after by buyers looking for a fuel-efficient and reliable estate car. While some components may require attention due to age, the overall build quality of the S204 C-Class ensures that it remains a viable option for those seeking a premium used car.




