The Mercedes-Benz C-Class Sport Coupe (CL203) C 230 Kompressor was a performance-oriented variant of the second-generation C-Class coupe, produced from May 2002 to March 2004. Positioned as a mid-range offering within the CL203 lineup, it aimed to bridge the gap between the more economical base models and the higher-performance C 32 AMG. This model distinguished itself with a supercharged 1.8-liter inline-four engine, offering a significant power upgrade over naturally aspirated versions, and was primarily marketed towards buyers seeking a sporty driving experience with a touch of luxury. The CL203 platform itself was a significant step forward for Mercedes-Benz, offering a more modern and dynamic driving experience compared to its predecessor.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class Sport Coupe (CL203) |
| Type (Engine) | C 230 Kompressor (192 Hp) |
| Start of production | May, 2002 |
| End of production | March, 2004 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 3 |
| Fuel consumption (economy) – urban (NEDC) | 12.6 l/100 km (18.7 US mpg, 22.4 UK mpg, 7.9 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 6.7 l/100 km (35.1 US mpg, 42.2 UK mpg, 14.9 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 8.9 l/100 km (26.4 US mpg, 31.7 UK mpg, 11.2 km/l) |
| CO2 emissions (NEDC) | 214 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.1 sec |
| Acceleration 0 – 62 mph | 8.1 sec |
| Acceleration 0 – 60 mph | 7.7 sec |
| Maximum speed | 240 km/h (149.13 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 7.3 kg/Hp, 137.1 Hp/tonne |
| Weight-to-torque ratio | 5.4 kg/Nm, 185.7 Nm/tonne |
| Power | 192 Hp @ 5800 rpm |
| Power per litre | 106.9 Hp/l |
| Torque | 260 Nm @ 3500-4000 rpm (191.77 lb.-ft. @ 3500-4000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 271.948 |
| Engine displacement | 1796 cm3 (109.6 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 82 mm (3.23 in.) |
| Piston Stroke | 85 mm (3.35 in.) |
| Compression ratio | 8.7:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Supercharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.5 l (5.81 US qt | 4.84 UK qt) |
| Coolant | 8 l (8.45 US qt | 7.04 UK qt) |
| Kerb Weight | 1400 kg (3086.47 lbs.) |
| Max. weight | 1945 kg (4287.99 lbs.) |
| Max load | 545 kg (1201.52 lbs.) |
| Trunk (boot) space – minimum | 310 l (10.95 cu. ft.) |
| Trunk (boot) space – maximum | 1100 l (38.85 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 | 740 kg (1631.42 lbs.) |
| Length | 4343 mm (170.98 in.) |
| Width | 1728 mm (68.03 in.) |
| Width including mirrors | 1960 mm (77.17 in.) |
| Height | 1406 mm (55.35 in.) |
| Wheelbase | 2715 mm (106.89 in.) |
| Front track | 1493 mm (58.78 in.) |
| Rear (Back) track | 1464 mm (57.64 in.) |
| Front overhang | 788 mm (31.02 in.) |
| Rear overhang | 840 mm (33.07 in.) |
| Drag coefficient (Cd) | 0.29 |
| 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 | 205/55 R 16 91 V |
| Wheel rims size | 7 J x 16 H 2 |
Powertrain & Engine Architecture
The heart of the C 230 Kompressor is the M271.948 1.8-liter inline-four engine. This engine is notable for its use of a Lysholm-type twin-screw supercharger, providing forced induction for increased power output. The “Kompressor” designation in Mercedes-Benz terminology specifically refers to this supercharging technology. The engine features multi-port fuel injection and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The supercharger is intercooled to reduce intake air temperature, further enhancing performance and efficiency. The engine’s relatively high compression ratio of 8.7:1, combined with the supercharger, delivers a broad torque curve. The standard transmission was a 6-speed manual, although a 5-speed automatic transmission was also available, impacting acceleration and fuel economy.
Driving Characteristics
The C 230 Kompressor offered a noticeable step up in performance compared to the base C-Class models. The supercharger provides instant throttle response and strong acceleration, particularly in the mid-range. While not as brutally fast as the C 32 AMG, the C 230 Kompressor provided a satisfying and engaging driving experience. The 6-speed manual transmission allowed for precise control, while the optional automatic, though smooth, resulted in a slight decrease in responsiveness. The rear-wheel-drive configuration contributed to a balanced chassis and predictable handling. The suspension, tuned for a balance between comfort and sportiness, provided a reasonably compliant ride without sacrificing cornering stability.
Equipment & Trim Levels
The C 230 Kompressor Sport Coupe typically came equipped with features such as sport seats, alloy wheels, and a sport-tuned suspension. Interior appointments included leather upholstery, wood trim, and an automatic climate control system. Optional extras included a sunroof, premium sound system, and navigation system. The Sport Coupe trim generally offered a more aggressive aesthetic than the standard C-Class, with unique body styling elements and interior accents. The overall interior quality was typical of Mercedes-Benz, with a focus on craftsmanship and premium materials.
Chassis & Braking
The CL203 C-Class utilized an independent suspension system all around, with McPherson struts at the front and a multi-link setup at the rear. This configuration provided a good balance of ride comfort and handling precision. The C 230 Kompressor was equipped with ventilated disc brakes at the front and solid discs at the rear. Anti-lock braking system (ABS) was standard. The chassis was designed to be relatively lightweight, contributing to the car’s agility. Stabilizer bars were fitted both front and rear to reduce body roll during cornering.
Market Reception & Comparison
The C 230 Kompressor was generally well-received by automotive critics, who praised its strong performance, comfortable ride, and upscale interior. It was often seen as a compelling alternative to other entry-level luxury coupes. Compared to the naturally aspirated C 180 or C 200 Kompressor models, the C 230 offered a significant power boost and a more engaging driving experience. However, it wasn’t as fuel-efficient as the base models. Compared to the C 32 AMG, the C 230 Kompressor was less powerful but also more affordable and easier to live with on a daily basis. Reliability was generally good, although some owners reported issues with the supercharger and its associated components.
Legacy
The CL203 C 230 Kompressor remains a popular choice among enthusiasts seeking an affordable and sporty Mercedes-Benz coupe. The M271 engine, while requiring regular maintenance, is generally considered durable. The availability of parts is good, and the car’s relatively simple mechanical design makes it relatively easy to maintain. On the used car market, well-maintained examples of the C 230 Kompressor can command a reasonable price, reflecting its desirable combination of performance, luxury, and practicality. It represents a sweet spot in the CL203 lineup, offering a compelling blend of attributes for those seeking a sporty and refined driving experience.
