The Mercedes-Benz C-Class T-modell (S203) facelift, specifically the C 200 CDI with 122 horsepower and a diesel particulate filter (DPF) paired with an automatic transmission, was produced from April 2005 to June 2007. This variant occupied a middle ground within the S203 range, offering a balance between fuel efficiency, practicality, and reasonable performance for buyers prioritizing economy and comfort over outright speed. It represented a key offering in the European market, where station wagons (estate cars) held significant popularity, and diesel engines were favored for their fuel economy on long distances. The C 200 CDI T-modell was positioned as a more affordable and economical alternative to the higher-performance C 320 CDI or the petrol-powered C 230 Kompressor models.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-Class |
| Generation | C-Class T-modell (S203, facelift 2004) |
| Type (Engine) | C 200 CDI (122 Hp) DPF Automatic |
| Start of production | April, 2005 |
| End of production | June, 2007 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 9.5-9.6 l/100 km (24.8 – 24.5 US mpg) |
| Fuel consumption (extra urban) | 5.8-5.9 l/100 km (40.6 – 39.9 US mpg) |
| Fuel consumption (combined) | 7.1-7.2 l/100 km (33.1 – 32.7 US mpg) |
| CO2 emissions | 188-190 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 12.4 sec |
| Acceleration 0 – 62 mph | 12.4 sec |
| Acceleration 0 – 60 mph | 11.8 sec |
| Maximum speed | 197 km/h (122.41 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 12.4 kg/Hp |
| Weight-to-torque ratio | 5.6 kg/Nm |
| Power | 122 Hp @ 4200 rpm |
| Torque | 270 Nm @ 1600-2800 rpm (199.14 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 646.962 |
| Engine displacement | 2148 cm3 (131.08 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 88 mm (3.46 in.) |
| Piston Stroke | 88.3 mm (3.48 in.) |
| Compression ratio | 18:1 |
| 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) |
| Coolant capacity | 8.5 l (8.98 US qt | 7.48 UK qt) |
| Kerb Weight | 1510 kg (3328.98 lbs.) |
| Max. weight | 2090 kg (4607.66 lbs.) |
| Max load | 580 kg (1278.68 lbs.) |
| Trunk (boot) space – minimum | 470 l (16.6 cu. ft.) |
| Trunk (boot) space – maximum | 1384 l (48.88 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load (braked) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load (unbraked) | 750 kg (1653.47 lbs.) |
| Length | 4541 mm (178.78 in.) |
| Width | 1728 mm (68.03 in.) |
| Width including mirrors | 1980 mm (77.95 in.) |
| Height | 1465 mm (57.68 in.) |
| Wheelbase | 2715 mm (106.89 in.) |
| Front track | 1505 mm (59.25 in.) |
| Rear track | 1476 mm (58.11 in.) |
| Front overhang | 755 mm (29.72 in.) |
| Rear overhang | 1071 mm (42.17 in.) |
| Drag coefficient (Cd) | 0.31 |
| Minimum turning circle | 10.76 m (35.3 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 5 |
| Gearbox type | Automatic 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 |
| Tires size | 205/55 R 16 V |
| Wheel rims size | 7 J x 16 H 2 |
Powertrain & Engine Architecture
The C 200 CDI T-modell utilized the Mercedes-Benz OM 646.962 engine, a 2.148-liter inline-four cylinder diesel engine. This engine was a mainstay in the Mercedes-Benz lineup during the early to mid-2000s, known for its relatively refined operation and fuel efficiency. It featured a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The engine was turbocharged and intercooled, boosting power output to 122 horsepower at 4200 rpm and 270 Nm (199 lb-ft) of torque between 1600 and 2800 rpm. The DPF (Diesel Particulate Filter) was a crucial component, reducing harmful soot emissions to meet increasingly stringent Euro 4 emission standards. The automatic transmission was a five-speed unit, providing smooth shifts but not offering the same level of responsiveness as a manual gearbox.
Driving Characteristics
The C 200 CDI Automatic offered a comfortable and relaxed driving experience. Acceleration was adequate for everyday driving, with a 0-60 mph time of around 11.8 seconds, but it wasn’t particularly sporty. The automatic transmission, while smooth, could feel somewhat hesitant during quick overtaking maneuvers. The engine’s strong low-end torque made it well-suited for cruising on highways, and the long gear ratios prioritized fuel economy over outright performance. Compared to the manual transmission version of the C 200 CDI, the automatic offered less driver engagement but greater convenience. Higher-output models like the C 320 CDI provided significantly more power and quicker acceleration, but at the expense of fuel efficiency.
Equipment & Trim Levels
The C 200 CDI T-modell typically came equipped with features such as air conditioning, power windows, central locking, and an audio system. Standard upholstery was cloth, although leather options were available. Common optional extras included sunroof, upgraded audio systems, parking sensors, and automatic climate control. The facelifted S203 models (2004 onwards) featured revised interior trim and updated infotainment systems compared to the pre-facelift versions. The estate body style itself added to the practicality with a generous cargo area, expandable by folding down the rear seats.
Chassis & Braking
The S203 C-Class featured an independent suspension setup, with McPherson struts at the front and a multi-link suspension at the rear. This provided a comfortable ride quality, although it wasn’t as sporty as some of its rivals. The C 200 CDI T-modell was equipped with ventilated disc brakes at the front and solid disc brakes at the rear. ABS (Anti-lock Braking System) was standard. The suspension was tuned to prioritize comfort and stability, rather than aggressive handling. Stabilizer bars were fitted front and rear to reduce body roll during cornering.
Market Reception & Comparison
The C 200 CDI T-modell was generally well-received by critics as a practical and economical estate car. It was praised for its fuel efficiency, comfortable ride, and spacious interior. However, some reviewers noted that the automatic transmission could feel sluggish, and the engine lacked the punch of more powerful alternatives. Compared to rivals like the Audi A4 Avant and BMW 3 Series Touring, the C 200 CDI offered a competitive package in terms of price, fuel economy, and practicality. Its diesel engine provided a significant advantage in fuel costs, particularly for drivers covering long distances.
Legacy
The OM 646 engine family, including the 646.962 variant found in the C 200 CDI, has proven to be relatively reliable, although DPF issues can occur with infrequent long journeys. The C 200 CDI T-modell remains a popular choice in the used car market, particularly for buyers seeking a practical, economical, and comfortable estate car. Maintenance costs are generally reasonable, and parts availability is good. However, potential buyers should be aware of the potential for DPF problems and ensure that the vehicle has been properly maintained. The S203 C-Class, and the C 200 CDI variant specifically, represents a solid and dependable offering from Mercedes-Benz, offering a blend of practicality, comfort, and fuel efficiency.





