The Mercedes-Benz C 200 CDI Automatic, produced from April 2004 to April 2005, was a key variant within the W203 facelifted C-Class range. Positioned as a fuel-efficient and comfortable option, it catered to buyers seeking a diesel-powered sedan with the convenience of an automatic transmission. This model represented Mercedes-Benz’s response to growing demand for economical luxury vehicles, particularly in Europe, where diesel engines held a significant market share. The W203 C-Class, overall, aimed to bridge the gap between affordability and the prestige associated with the three-pointed star, and the C 200 CDI Automatic played a crucial role in achieving that balance.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class (W203, facelift 2004) |
| Type (Engine) | C 200 CDI (122 Hp) Automatic |
| 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) | 9 l/100 km (26.1 US mpg, 31.4 UK mpg, 11.1 km/l) |
| Fuel consumption (extra urban) | 5.2 l/100 km (45.2 US mpg, 54.3 UK mpg, 19.2 km/l) |
| Fuel consumption (combined) | 6.6 l/100 km (35.6 US mpg, 42.8 UK mpg, 15.2 km/l) |
| CO2 emissions | 174 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 3 |
| 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 |
| Drive wheel | 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 Automatic 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 good fuel economy. The OM 646 featured common rail direct injection, delivering fuel at extremely high pressure 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. The automatic transmission was a five-speed unit, designed to provide smooth and comfortable gear changes. This transmission was specifically tuned to complement the diesel engine’s torque characteristics, prioritizing fuel efficiency and drivability over outright performance.
Driving Characteristics
The C 200 CDI Automatic offered a comfortable and refined driving experience. While not a sports-oriented model, the engine provided adequate power for everyday driving and highway cruising. The automatic transmission, while smooth, did contribute to a slightly less responsive feel compared to the available manual transmission. Acceleration from 0 to 60 mph took around 11.3 seconds, and the top speed was 126 mph. The emphasis was on relaxed cruising and fuel efficiency. The gear ratios were optimized for low-end torque, making it easy to navigate city traffic and maintain speed on inclines. Compared to the more powerful C 220 CDI or C 320 CDI models, the C 200 CDI Automatic prioritized economy and affordability.
Equipment & Trim Levels
The C 200 CDI Automatic typically came equipped with standard features such as air conditioning, power windows, central locking, and an audio system. Interior upholstery was usually cloth, although leather options were available. The dashboard layout was typical of the W203 facelift, with a functional and understated design. Optional extras included a sunroof, upgraded audio systems, automatic climate control, and parking sensors. The trim level generally fell into the mid-range of the W203 C-Class lineup, offering a good balance of features and price.
Chassis & Braking
The C 200 CDI Automatic featured independent suspension all around – McPherson struts at the front and a multi-link setup at the rear. This suspension configuration provided a comfortable ride and good handling characteristics. Front brakes were ventilated discs, while rear brakes were solid discs. Anti-lock Braking System (ABS) was standard. The suspension was tuned to prioritize comfort over sporty handling, reflecting the car’s overall character. 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 critics as a practical and economical luxury sedan. It was praised for its fuel efficiency, comfortable ride, and refined interior. However, some reviewers noted that the performance was not as exhilarating as that of the more powerful C-Class models. Compared to the C 220 CDI, the C 200 CDI offered lower running costs but less power. Against the petrol-powered C 180 Kompressor, the C 200 CDI provided superior fuel economy and torque. The C 200 CDI Automatic appealed to buyers who prioritized fuel efficiency and comfort over outright performance.
Legacy
The OM 646 engine, found in the C 200 CDI Automatic, proved to be a relatively reliable powertrain. While diesel engines are inherently more complex than their gasoline counterparts, the OM 646 was generally known for its durability. Common issues included occasional turbocharger problems and injector wear, but these were not widespread. Today, well-maintained examples of the C 200 CDI Automatic can still be found on the used car market, offering an affordable entry point into Mercedes-Benz ownership. Its fuel efficiency and relatively low maintenance costs continue to make it an attractive option for budget-conscious buyers.
