The Mercedes-Benz C-Class T-modell (S203) C 200 CDI Automatic, produced from May 2003 to March 2004, represented a practical and fuel-efficient option within the second-generation C-Class (W203) range. Positioned as a mid-range variant, it combined the versatility of a station wagon (estate) body style with a diesel engine and a convenient automatic transmission. This model aimed to appeal to buyers seeking a balance between practicality, economy, and the prestige associated with the Mercedes-Benz brand. It was part of the broader S203 series, which offered a range of engines and transmissions to cater to diverse customer preferences.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-Class |
| Generation | C-Class T-modell (S203) |
| Type (Engine) | C 200 CDI (122 Hp) Automatic |
| 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 (urban) | 8.9 l/100 km (26.4 US mpg, 31.7 UK mpg, 11.2 km/l) |
| Fuel consumption (extra urban) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l) |
| Fuel consumption (combined) | 6.5 l/100 km (36.2 US mpg, 43.5 UK mpg, 15.4 km/l) |
| CO2 emissions | 172 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.5 sec |
| Acceleration 0 – 62 mph | 11.5 sec |
| Acceleration 0 – 60 mph | 10.9 sec |
| Maximum speed | 197 km/h (122.41 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 capacity | 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 (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 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 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 | 10.76 m (35.3 ft.) |
| Drivetrain | 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 |
| Tires size | 195/65 R 15 91 H |
| Wheel rims size | 6 J x 15 H 2 |
INTRODUCTION
The C 200 CDI Automatic, introduced in 2003, was a key component of the S203 C-Class T-modell lineup. The S203 generation, produced from 2000 to 2007, represented a significant step forward in terms of refinement and build quality for Mercedes-Benz’s compact executive car. The “T-modell” designation signified the estate (station wagon) version, offering increased cargo capacity compared to the sedan. The C 200 CDI Automatic specifically targeted buyers who prioritized fuel efficiency and practicality without sacrificing the comfort and prestige expected from a Mercedes-Benz. It sat in the middle of the engine range, offering a step up from the base models but remaining more accessible than the higher-performance variants.
Powertrain & Engine Architecture
At the heart of the C 200 CDI Automatic lies 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 robust construction and relatively efficient operation. The OM 646 featured common rail direct injection, delivering fuel directly into the combustion chamber at extremely high pressure for improved combustion and reduced emissions. A turbocharger with an intercooler further enhanced performance by forcing more air into the engine. The engine utilized a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing gas flow for increased power and torque. Paired with the engine was a five-speed automatic transmission, providing smooth and convenient gear changes. This transmission was designed to balance fuel economy with acceptable performance, offering a comfortable driving experience for everyday use.
Driving Characteristics
The C 200 CDI Automatic offered a comfortable and relaxed driving experience. While not a performance-oriented model, the 122 horsepower and 270 Nm (199 lb-ft) of torque provided adequate power for everyday driving and highway cruising. Acceleration from 0 to 100 km/h (0-62 mph) took around 11.5 seconds, which was competitive for a diesel-powered estate car of that era. The automatic transmission, while smooth, wasn’t particularly quick to respond, and downshifts could sometimes feel hesitant. Compared to the manual transmission versions of the C 200 CDI, the automatic offered less driver engagement but greater convenience. Higher-output variants, such as the C 220 CDI or the petrol-powered C 230 Kompressor, provided significantly more performance, but at the expense of fuel economy. The C 200 CDI Automatic prioritized fuel efficiency, achieving combined fuel consumption figures of around 6.5 l/100 km (36.2 US mpg).
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 understated design. Optional extras included a sunroof, upgraded audio systems, parking sensors, and heated seats. Trim levels varied depending on the market, but generally, the C 200 CDI Automatic occupied a mid-range position, offering a good balance of features and affordability.
Chassis & Braking
The S203 C-Class featured an independent suspension system on both the front and rear axles. The front suspension utilized McPherson struts with a transverse stabilizer bar, while the rear employed a multi-link setup, also with a stabilizer bar. This suspension configuration provided a comfortable ride and good handling characteristics. Braking duties were handled by ventilated discs on the front wheels and solid discs on the rear. Anti-lock Braking System (ABS) was standard, enhancing safety by preventing wheel lockup during hard braking. The chassis was designed to provide a stable and predictable driving experience, balancing comfort with handling.
Market Reception & Comparison
The C 200 CDI Automatic was generally well-received by critics as a practical and economical option within the C-Class range. It was praised for its fuel efficiency and comfortable ride, but some reviewers noted the relatively slow acceleration and the somewhat dated feel of the automatic transmission. Compared to other trims, the C 200 CDI Automatic offered a compelling value proposition for buyers who prioritized economy and practicality over outright performance. The C 220 CDI, with its more powerful engine, was a popular alternative for those seeking more performance, while the petrol-powered models offered a different driving experience but typically consumed more fuel.
Legacy
The OM 646 engine, found in the C 200 CDI Automatic, proved to be a durable and reliable powerplant. With proper maintenance, these engines can accumulate high mileage without major issues. Today, the S203 C-Class T-modell C 200 CDI Automatic represents an affordable entry point into Mercedes-Benz ownership. While not a particularly sought-after model by enthusiasts, it remains a practical and economical choice for those seeking a reliable estate car. Common issues include wear and tear on suspension components and potential problems with the automatic transmission, but these are generally manageable with regular maintenance and timely repairs. The C 200 CDI Automatic stands as a testament to Mercedes-Benz’s commitment to building durable and fuel-efficient vehicles.
