The Mercedes-Benz C 200 CDI, part of the W203 facelift generation produced from April 2004 to April 2005, represented a fuel-efficient and practical entry point into the C-Class range. Positioned as a diesel-powered alternative, it catered to European markets prioritizing economy and lower running costs. This variant utilized a 2.1-liter four-cylinder common rail diesel engine producing 122 horsepower, paired with a 6-speed manual transmission. It occupied a middle ground within the W203 lineup, offering a balance between performance and affordability, slotting below the more powerful C 220 CDI and C 320 CDI models, and above the base C 180 CDI (where offered).
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class (W203, facelift 2004) |
| Type (Engine) | C 200 CDI (122 Hp) |
| Start of production | April, 2004 |
| End of production | April, 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 8.4 l/100 km (28 US mpg, 33.6 UK mpg, 11.9 km/l) |
| Fuel consumption (extra urban) | 4.8 l/100 km (49 US mpg, 58.9 UK mpg, 20.8 km/l) |
| Fuel consumption (combined) | 6.1 l/100 km (38.6 US mpg, 46.3 UK mpg, 16.4 km/l) |
| CO2 emissions | 161 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.7 sec |
| Acceleration 0 – 62 mph | 11.7 sec |
| Acceleration 0 – 60 mph | 11.1 sec |
| Maximum speed | 208 km/h (129.25 mph) |
| Emission standard | Euro 3 |
| Weight-to-power ratio | 11.8 kg/Hp, 84.7 Hp/tonne |
| Weight-to-torque ratio | 5.3 kg/Nm, 187.5 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 | 1440 kg (3174.66 lbs.) |
| Max. weight | 1995 kg (4398.22 lbs.) |
| Max load | 555 kg (1223.57 lbs.) |
| Trunk (boot) space (minimum) | 455 l (16.07 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) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load (without brakes) | 750 kg (1653.47 lbs.) |
| Length | 4526 mm (178.19 in.) |
| Width | 1728 mm (68.03 in.) |
| Width including mirrors | 1980 mm (77.95 in.) |
| Height | 1426 mm (56.14 in.) |
| Wheelbase | 2715 mm (106.89 in.) |
| Front track | 1493 mm (58.78 in.) |
| Rear track | 1464 mm (57.64 in.) |
| Front overhang | 755 mm (29.72 in.) |
| Rear overhang | 1056 mm (41.57 in.) |
| Drag coefficient (Cd) | 0.27 |
| Minimum turning circle | 10.76 m (35.3 ft.) |
| Drivetrain Architecture | 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 R 16 V |
| Wheel rims size | 7 J x 16 H 2 |
Powertrain & Engine Architecture
The C 200 CDI was powered by the OM 646.962, a 2.1-liter inline four-cylinder diesel engine. This engine was a cornerstone of Mercedes-Benz’s diesel offerings in the early 2000s, known for its relatively quiet operation and decent fuel economy. It featured common rail direct injection, delivering fuel at extremely high pressure for improved combustion efficiency and reduced emissions. The engine utilized a turbocharger with an intercooler to boost power output. The valvetrain employed a double overhead camshaft (DOHC) design with four valves per cylinder, optimizing gas flow. The 6-speed manual transmission provided precise gear changes and contributed to the car’s overall efficiency. The engine’s longitudinal mounting allowed for a rear-wheel-drive configuration, a traditional layout for Mercedes-Benz sedans.
Driving Characteristics
The C 200 CDI with the manual transmission offered a reasonably engaging driving experience, though it wasn’t designed for outright performance. The 122 horsepower and 270 Nm (199 lb-ft) of torque provided adequate acceleration for everyday driving, with the torque peak available from 1600-2800 rpm making it feel responsive in most situations. The 0-60 mph time of around 11.1 seconds and a top speed of 208 km/h (129 mph) were respectable for its class. Compared to the C 220 CDI or C 320 CDI, the C 200 CDI felt less powerful, particularly during overtaking maneuvers. However, the manual gearbox allowed drivers to maintain control and extract the most from the engine. The gear ratios were well-chosen to balance acceleration and fuel economy.
Equipment & Trim Levels
The C 200 CDI typically came with a standard equipment list that included air conditioning, power windows, central locking, and an audio system. Interior upholstery was usually cloth, though leather options were available. The dashboard featured a straightforward layout with clear instrumentation. Optional extras included alloy wheels, a sunroof, upgraded audio systems, and parking sensors. The trim level was generally considered to be entry-level to mid-range within the W203 C-Class lineup, focusing on practicality and value rather than luxury appointments.
Chassis & Braking
The W203 C-Class featured an independent suspension system all around. The front utilized a McPherson strut setup with a transverse stabilizer, while the rear employed a multi-link suspension, also with a stabilizer bar. This configuration provided a comfortable ride and good handling characteristics. 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. The chassis was designed to provide a balance between comfort and handling, catering to a wide range of driving conditions.
Market Reception & Comparison
The C 200 CDI was well-received in European markets as a fuel-efficient and reliable option. Critics praised its economy and comfortable ride, but some noted its lack of outright performance compared to higher-powered variants. Fuel economy figures of around 6.1 l/100 km (38.6 US mpg) were considered excellent for its time. Compared to the C 220 CDI, the C 200 CDI offered lower running costs but sacrificed some performance. The C 180 CDI, where available, was even more economical but offered even less power. The C 200 CDI struck a balance between these two extremes, appealing to buyers who prioritized economy and practicality.
Legacy
The OM 646 engine family, including the 646.962 found in the C 200 CDI, proved to be relatively durable and reliable. While not immune to age-related issues, these engines generally offered good longevity with proper maintenance. Today, the W203 C 200 CDI can be found as an affordable used car, often appealing to buyers seeking a reliable and economical sedan. Common issues include wear and tear on suspension components, potential turbocharger problems, and occasional issues with the fuel injection system. However, parts availability is generally good, and the car remains a viable option for those seeking a classic Mercedes-Benz experience without breaking the bank.





