The Mercedes-Benz C 200 CDI Automatic, produced from April 2005 to March 2007, was a key variant within the W203 facelift range (introduced in 2004). This model represented a significant offering in the European market, particularly for buyers seeking a fuel-efficient and refined compact executive car. Positioned as a mid-range option, it bridged the gap between the entry-level C 180 CDI and the more powerful C 220 CDI, appealing to those prioritizing economy and comfortable cruising over outright performance. The W203 facelift brought styling updates, improved interior quality, and enhanced equipment levels compared to the pre-facelift models, solidifying the C-Class’s position as a strong competitor in its segment.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class (W203, facelift 2004) |
| Type (Engine) | C 200 CDI (122 Hp) Automatic DPF |
| Start of production | April, 2005 |
| End of production | March, 2007 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 8.9 l/100 km (26.4 US mpg, 31.7 UK mpg, 11.2 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 l/100 km (34.6 US mpg, 41.5 UK mpg, 14.7 km/l) |
| CO2 emissions | 180 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.9 sec |
| Acceleration 0 – 62 mph | 11.9 sec |
| Acceleration 0 – 60 mph | 11.3 sec |
| Maximum speed | 203 km/h (126.14 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 12 kg/Hp, 83.6 Hp/tonne |
| Weight-to-torque ratio | 5.4 kg/Nm, 184.9 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 | 1460 kg (3218.75 lbs.) |
| Max. weight | 1995 kg (4398.22 lbs.) |
| Max load | 535 kg (1179.47 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 | 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 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 mainstay of the Mercedes-Benz lineup during the early 2000s, known for its robust construction and relatively good fuel economy. The OM 646 featured a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A turbocharger with an intercooler further enhanced performance, boosting power output to 122 horsepower at 4200 rpm and 270 Nm (199 lb-ft) of torque between 1600 and 2800 rpm. The engine utilized a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its efficiency and power delivery. The five-speed automatic transmission, a standard feature, was designed for smooth shifting and comfortable cruising, although it wasn’t known for particularly sporty performance.
Driving Characteristics
The C 200 CDI Automatic offered a comfortable and refined driving experience, prioritizing fuel efficiency and ease of use over outright speed. Acceleration from 0 to 60 mph took around 11.3 seconds, making it adequate for everyday driving but not particularly quick. The automatic transmission, while smooth, could feel somewhat sluggish during quick overtaking maneuvers. The engine’s torque peak, available from a low 1600 rpm, provided sufficient pulling power for most situations, making it a capable cruiser on highways. Compared to the manual transmission versions of the C 200 CDI, the automatic offered less driver engagement but greater convenience. The higher-output C 220 CDI provided noticeably more performance, while the C 180 CDI focused even more heavily on fuel economy.
Equipment & Trim Levels
The C 200 CDI Automatic typically came equipped with a respectable level 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 as upgrades. The dashboard layout was typical of Mercedes-Benz at the time, featuring a functional and well-built design. Optional extras included a sunroof, upgraded audio systems, parking sensors, and heated seats. The facelifted W203 models benefited from improved interior materials and a more modern appearance compared to the pre-facelift versions.
Chassis & Braking
The W203 C-Class featured an independent suspension system all around, with McPherson struts at the front and a multi-link setup at the rear. This provided a comfortable ride quality and decent 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 and stability during braking. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The C 200 CDI Automatic was generally well-received by automotive critics as a practical and economical choice within the compact executive segment. It was praised for its fuel efficiency, comfortable ride, and refined interior. However, some critics noted that the automatic transmission could feel somewhat dated and that the performance wasn’t particularly exciting. Compared to rivals like the BMW 320d and Audi A4 2.0 TDI, the C 200 CDI offered a slightly more comfortable ride but less sporty handling. Its fuel economy was competitive, and its reliability was generally considered good.
Legacy
The OM 646 engine, found in the C 200 CDI, proved to be a durable and reliable powerplant. While not without its potential issues (such as injector wear and occasional turbocharger problems), it generally offered good longevity with proper maintenance. Today, the W203 C 200 CDI Automatic can be found as an affordable used car, appealing to buyers seeking a comfortable and economical vehicle. Its relatively simple mechanical design makes it easier and less expensive to maintain compared to more modern vehicles. However, potential buyers should be aware of the age-related issues common to older cars, such as wear and tear on suspension components and potential corrosion.





