The Mercedes-Benz C-Class T-modell (S204) C 200 CDI BlueEFFICIENCY, equipped with the 5G-TRONIC automatic transmission, was a popular variant of the S204 estate produced between 2009 and 2011. Positioned as a fuel-efficient and practical option within the C-Class range, it catered to buyers seeking a balance between comfort, economy, and the versatility of a wagon body style. This model represented Mercedes-Benz’s response to growing demand for diesel-powered estates in the European market, offering a refined driving experience and relatively low running costs.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class T-modell (S204) |
| Type (Engine) | C 200 CDI BlueEFFICIENCY (136 Hp) 5G-TRONIC |
| Start of production | 2009 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban (NEDC) | 7.7-8.1 l/100 km (30.5 – 29 US mpg, 36.7 – 34.9 UK mpg, 13 – 12.3 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 4.7-5.4 l/100 km (50 – 43.6 US mpg, 60.1 – 52.3 UK mpg, 21.3 – 18.5 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 5.8-6.4 l/100 km (40.6 – 36.8 US mpg, 48.7 – 44.1 UK mpg, 17.2 – 15.6 km/l) |
| CO2 emissions (NEDC) | 153-167 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10.1 sec |
| Acceleration 0 – 62 mph | 10.1 sec |
| Acceleration 0 – 60 mph | 9.6 sec |
| Maximum speed | 207 km/h (128.62 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 11.6 kg/Hp, 86.3 Hp/tonne |
| Weight-to-torque ratio | 4.8 kg/Nm, 209.5 Nm/tonne |
| Power | 136 Hp @ 3000 rpm |
| Power per litre | 63.5 Hp/l |
| Torque | 330 Nm @ 1600-2800 rpm (243.4 lb.-ft. @ 1600-2800 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 | 1575 kg (3472.28 lbs.) |
| Max. weight | 2190 kg (4828.12 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 (Back) track | 1544 mm (60.79 in.) |
| Front overhang | 765 mm (30.12 in.) |
| Rear overhang | 1071 mm (42.17 in.) |
| Minimum turning circle (turning diameter) | 10.84 m (35.56 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 | 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 utilized the OM 651.913 2.1-liter inline-four cylinder diesel engine. This engine was a cornerstone of Mercedes-Benz’s diesel offerings, known for its robust construction and efficiency. It featured a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A turbocharger with an intercooler further enhanced performance, providing increased air intake to the engine. The engine produced 136 horsepower at 3000 rpm and a substantial 330 Nm (243 lb-ft) of torque between 1600 and 2800 rpm. The 5G-TRONIC automatic transmission, a five-speed torque converter automatic, was specifically tuned to complement the engine’s characteristics, prioritizing smooth shifts and fuel economy. This transmission was known for its reliability, but lacked the efficiency of more modern multi-gear automatics.
Driving Characteristics
The C 200 CDI BlueEFFICIENCY with the 5G-TRONIC transmission offered a comfortable and relaxed driving experience. While not particularly sporty, the engine provided adequate power for everyday driving and highway cruising. The automatic transmission, while smooth, could feel somewhat sluggish compared to manual versions, especially during quick acceleration. The gear ratios were optimized for fuel efficiency rather than outright performance. The torque-rich diesel engine allowed for effortless overtaking, but the 0-60 mph time of around 9.6 seconds reflected its focus on economy. Compared to the more powerful C 250 CDI or C 350 models, the C 200 CDI offered a more subdued driving experience, but at a significantly lower price point.
Equipment & Trim Levels
The C 200 CDI BlueEFFICIENCY typically came standard with features such as air conditioning, power windows, central locking, and an audio system. Interior upholstery was generally cloth, with options for leather upgrades. Common optional extras included a sunroof, navigation system, parking sensors, and upgraded alloy wheels. The “BlueEFFICIENCY” designation indicated the inclusion of fuel-saving technologies such as start-stop functionality and optimized aerodynamics. Trim levels varied slightly depending on the market, but generally offered a progression of features from basic to more luxurious configurations.
Chassis & Braking
The S204 C-Class featured an independent suspension system, with McPherson struts at the front and a multi-link setup at the rear. This provided a comfortable ride quality, absorbing bumps and imperfections in the road effectively. The C 200 CDI, being a lower-powered variant, typically came equipped with ventilated disc brakes at the front and solid discs at the rear. Anti-lock Braking System (ABS) was standard. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The suspension was tuned for comfort rather than aggressive handling.
Market Reception & Comparison
The C 200 CDI BlueEFFICIENCY was well-received in the European market as a practical and economical estate car. Critics praised its fuel efficiency and comfortable ride, but some noted the lack of sporting character compared to higher-powered C-Class models. Compared to the C 220 CDI or C 250 CDI, the C 200 CDI offered lower running costs but less performance. Its fuel economy figures of 5.8-6.4 l/100km were competitive within its class, making it an attractive option for drivers covering long distances. Reliability was generally good, although diesel particulate filter (DPF) issues could occur with infrequent long journeys.
Legacy
The OM 651 engine family, including the 2.1-liter variant found in the C 200 CDI, proved to be remarkably durable. These engines are known to withstand high mileage with proper maintenance. On the used car market, the C 200 CDI BlueEFFICIENCY remains a popular choice for buyers seeking a reliable and economical estate car. However, potential buyers should be aware of the potential for DPF issues and ensure that the vehicle has been regularly serviced. The S204 C-Class T-modell, in general, is considered a well-built and practical vehicle, and the C 200 CDI variant offers a compelling combination of affordability and efficiency.
