Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-Class |
| Generation | C-Class T-modell (S203) |
| Type (Engine) | C 200 CDI (122 Hp) |
| Start of production | May, 2003 |
| End of production | March, 2004 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban (NEDC) | 8.6 l/100 km (27.4 US mpg, 32.8 UK mpg, 11.6 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 5 l/100 km (47 US mpg, 56.5 UK mpg, 20 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 6.3 l/100 km (37.3 US mpg, 44.8 UK mpg, 15.9 km/l) |
| CO2 emissions (NEDC) | 167 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 3 |
| Weight-to-power ratio | 12.1 kg/Hp, 82.4 Hp/tonne |
| Weight-to-torque ratio | 5.5 kg/Nm, 182.4 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 | 8.5 l (8.98 US qt | 7.48 UK qt) |
| Kerb Weight | 1480 kg (3262.84 lbs.) |
| Max. weight | 2080 kg (4585.62 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 with brakes (12%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load without brakes | 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 (Back) 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 (turning diameter) | 10.76 m (35.3 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 | 6 gears, 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 | 195/65 R 15 91 H |
| Wheel rims size | 6 J x 15 H 2 |
The Mercedes-Benz C-Class T-modell (S203) C 200 CDI, produced from May 2003 to March 2004, was a practical and fuel-efficient variant within the second-generation C-Class (W203) range. Positioned as a diesel-powered station wagon, it primarily targeted European buyers seeking a blend of cargo capacity, reasonable performance, and economy. This model utilized a 2.1-liter four-cylinder diesel engine coupled with a 6-speed manual transmission, offering a balance between usability and running costs. The S203 platform, introduced in 2000, represented a modernization of the C-Class, providing increased interior space and improved refinement over its predecessor.
Powertrain & Engine Architecture
The C 200 CDI was powered by the OM 646.962 engine, a 2.1-liter inline-four cylinder diesel. This engine was a cornerstone of Mercedes-Benz’s strategy to offer more fuel-efficient diesel options. It featured common rail direct injection, delivering fuel at extremely high pressure for enhanced combustion and reduced emissions. A turbocharger with an intercooler further boosted performance, increasing both power and torque output. The engine employed a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing gas flow. The 6-speed manual transmission provided a wider range of gear ratios compared to older automatic transmissions, contributing to both fuel economy and improved acceleration. The engine’s longitudinal mounting allowed for a rear-wheel-drive configuration, a traditional layout for Mercedes-Benz passenger cars.
Driving Characteristics
The C 200 CDI with the manual transmission delivered a reasonably engaging driving experience, though it wasn’t designed for outright performance. Producing 122 horsepower and 270 Nm (199 lb-ft) of torque, acceleration from 0-100 km/h (0-62 mph) took approximately 12.2 seconds. The engine’s peak torque, readily available from 1600-2800 rpm, provided good low-end grunt, making it suitable for everyday driving and overtaking. Compared to the more powerful C 220 CDI or the petrol-powered C 200 Kompressor, the C 200 CDI felt less responsive, especially at higher engine speeds. However, its superior fuel economy made it a practical choice for long-distance travel. The 6-speed manual transmission allowed drivers to maintain the engine within its optimal power band, maximizing both efficiency and responsiveness.
Equipment & Trim Levels
The C 200 CDI T-modell typically came equipped with a respectable array of standard features. These included air conditioning, power windows, central locking, and an audio system. Interior upholstery was generally cloth, although leather options were available. The dashboard layout was characteristic of the W203 C-Class, featuring a functional and relatively understated design. Optional extras included a sunroof, upgraded audio systems, automatic climate control, and parking sensors. The estate body style itself significantly enhanced practicality, offering a generous 470-1384 liter cargo capacity with the rear seats folded down.
Chassis & Braking
The S203 C-Class featured an independent suspension system on all four wheels. 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 discs at the rear. Anti-lock Braking System (ABS) was standard, enhancing safety during emergency braking. Stabilizer bars were fitted to both the front and rear axles to minimize body roll during cornering. The steering was a rack-and-pinion system with hydraulic power assistance, providing precise and responsive steering feel.
Market Reception & Comparison
The C 200 CDI T-modell was well-received in Europe as a practical and economical estate car. Critics praised its fuel efficiency and spacious interior. However, some noted that its performance was modest compared to other C-Class variants. Compared to the C 220 CDI, the C 200 CDI offered lower running costs but sacrificed some performance. The petrol-powered C 200 Kompressor provided more power but at the expense of fuel economy. The C 200 CDI appealed to buyers who prioritized practicality, fuel efficiency, and value for money.
Legacy
The OM 646 engine family, including the 646.962 found in the C 200 CDI, proved to be relatively reliable, although common rail injection systems can be prone to issues with age and fuel quality. Proper maintenance, including regular oil changes and fuel filter replacements, is crucial for long-term reliability. Today, the S203 C-Class T-modell C 200 CDI represents an affordable entry point into Mercedes-Benz ownership. While not a performance icon, it remains a practical and economical choice for those seeking a spacious and reliable estate car. Parts availability is generally good, and the relatively simple mechanical design makes it a viable option for DIY mechanics.





