The Mercedes-Benz C-Class T-modell (S203) facelift, specifically the C 200 CDI variant with 122 horsepower and a Diesel Particulate Filter (DPF), was produced from April 2005 to June 2007. This model represented a practical, fuel-efficient option within the broader S203 estate range, positioned as a mid-range offering appealing to buyers prioritizing economy and usability over outright performance. It sat below the more powerful C 320 CDI and petrol-powered variants like the C 230 Kompressor, but above the base C 180 CDI. The S203 facelift brought revised styling, improved interior quality, and updated engine options compared to the pre-facelift models, aiming to enhance the C-Class’s competitiveness in the premium compact estate segment.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-Class |
| Generation | C-Class T-modell (S203, facelift 2004) |
| Type (Engine) | C 200 CDI (122 Hp) DPF |
| 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) | 9.1-9.2 l/100 km (25.8 – 25.6 US mpg, 31 – 30.7 UK mpg, 11 – 10.9 km/l) |
| Fuel consumption (extra urban) | 5.6 l/100 km (42 US mpg, 50.4 UK mpg, 17.9 km/l) |
| Fuel consumption (combined) | 6.8-6.9 l/100 km (34.6 – 34.1 US mpg, 41.5 – 40.9 UK mpg, 14.7 – 14.5 km/l) |
| CO2 emissions | 180-183 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 12.2 sec |
| Acceleration 0 – 62 mph | 12.2 sec |
| Acceleration 0 – 60 mph | 11.6 sec |
| Maximum speed | 202 km/h (125.52 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 12.2 kg/Hp, 81.9 Hp/tonne |
| Weight-to-torque ratio | 5.5 kg/Nm, 181.2 Nm/tonne |
| Power | 122 Hp @ 4200 rpm |
| Power per litre | 56.8 Hp/l |
| Torque | 270 Nm @ 1600-2800 rpm (199.14 lb.-ft. @ 1600-2800 rpm) |
| 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 | 1490 kg (3284.89 lbs.) |
| Max. weight | 2090 kg (4607.66 lbs.) |
| Max load | 600 kg (1322.77 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 (with 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 |
| Turning circle | 10.76 m (35.3 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 |
| Safety 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 OM 646.962, a 2.1-liter inline-four cylinder diesel engine. This engine was a mainstay of the Mercedes-Benz lineup during the mid-2000s, known for its relatively refined operation and fuel efficiency. The OM 646 featured common-rail direct injection, delivering fuel at extremely high pressure for improved combustion and reduced emissions. A turbocharger with an intercooler further enhanced performance, boosting power output to 122 horsepower and 270 Nm (199 lb-ft) of torque. The engine employed a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing gas flow. The six-speed manual transmission was standard, providing a good balance between fuel economy and drivability. The inclusion of a Diesel Particulate Filter (DPF) was crucial for meeting increasingly stringent Euro 4 emission standards.
Driving Characteristics
The C 200 CDI T-modell, with its 122 hp and manual transmission, offered a comfortable and practical driving experience. Acceleration was adequate for everyday use, with a 0-60 mph time of around 11.6 seconds. However, it wasn’t designed for spirited driving. The engine delivered its peak torque from 1600-2800 rpm, providing good low-end grunt for overtaking and climbing hills. Compared to the more powerful C 320 CDI, the C 200 CDI felt noticeably less responsive, especially at higher speeds. The manual gearbox was well-matched to the engine, offering precise shifts and allowing the driver to make the most of the available power. The estate body style added some weight, impacting overall agility, but the well-tuned suspension provided a comfortable ride.
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 safety equipment included ABS, airbags, and traction control. Interior upholstery was usually cloth, with options for leather available at an extra cost. Common optional extras included a sunroof, upgraded audio systems, parking sensors, and automatic climate control. Trim levels varied depending on the market, but generally, the C 200 CDI offered a good level of standard equipment for its price point.
Chassis & Braking
The S203 C-Class featured an independent suspension system all around. The front utilized a McPherson strut setup, while the rear employed a multi-link suspension. 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 disc brakes at the rear. ABS (Anti-lock Braking System) was standard, enhancing braking performance and stability. The steering was a rack-and-pinion system with hydraulic power assistance, offering precise and responsive steering feel.
Market Reception & Comparison
The C 200 CDI T-modell was generally well-received by critics as a practical and fuel-efficient estate car. It was praised for its comfortable ride, spacious interior, and economical diesel engine. However, some reviewers noted that the engine lacked the punch of its more powerful counterparts. Compared to the C 320 CDI, the C 200 CDI offered significantly better fuel economy but at the expense of performance. It also represented a more affordable entry point into the C-Class estate range. Against competitors like the Audi A4 Avant and BMW 3 Series Touring, the C 200 CDI offered a competitive package in terms of price, features, and fuel efficiency.
Legacy
The OM 646 engine, found in the C 200 CDI, proved to be a relatively reliable unit when properly maintained. Common issues included DPF blockages (particularly on cars used primarily for short journeys) and occasional injector problems. However, these issues were generally addressable with regular servicing and preventative maintenance. Today, the S203 C-Class T-modell C 200 CDI represents an affordable and practical used car option. Its fuel efficiency and spacious interior make it a good choice for families or individuals who need a versatile vehicle. While not a performance car, it offers a comfortable and reliable driving experience, and parts availability remains good.





