The Mercedes-Benz C-Class Sport Coupe (CL203) C 230 Kompressor was a performance-oriented variant of the second-generation C-Class, produced from February 2001 to June 2002. Positioned as a sporty alternative to the more traditionally styled C-Class sedans and wagons, the CL203 offered a coupe body style with a focus on driving dynamics. The C 230 Kompressor, equipped with a supercharged 2.3-liter inline-four engine, represented a mid-range offering within the Sport Coupe lineup, slotting between the base C 180 Kompressor and the more powerful C 320 models. It aimed to deliver a balance of performance and fuel efficiency, appealing to buyers seeking a stylish and engaging driving experience.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class Sport Coupe (CL203) |
| Type (Engine) | C 230 Kompressor (197 Hp) |
| Start of production | February, 2001 |
| End of production | June, 2002 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 3 |
| Fuel consumption (economy) – urban (NEDC) | 14.9 l/100 km (15.8 US mpg, 19 UK mpg, 6.7 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 7.1 l/100 km (33.1 US mpg, 39.8 UK mpg, 14.1 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 9.9 l/100 km (23.8 US mpg, 28.5 UK mpg, 10.1 km/l) |
| CO2 emissions (NEDC) | 237 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8 sec |
| Acceleration 0 – 62 mph | 8 sec |
| Acceleration 0 – 60 mph | 7.6 sec |
| Maximum speed | 240 km/h (149.13 mph) |
| Emission standard | Euro D4 |
| Weight-to-power ratio | 7.2 kg/Hp, 138.2 Hp/tonne |
| Weight-to-torque ratio | 5.1 kg/Nm, 196.5 Nm/tonne |
| Power | 197 Hp @ 5300 rpm |
| Power per litre | 85.8 Hp/l |
| Torque | 280 Nm @ 2500-4800 rpm (206.52 lb.-ft. @ 2500-4800 rpm) |
| Maximum engine speed | 6200 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 111.981 |
| Engine displacement | 2295 cm3 (140.05 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 90.9 mm (3.58 in.) |
| Piston Stroke | 88.4 mm (3.48 in.) |
| Compression ratio | 9:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Supercharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 7 l (7.4 US qt, 6.16 UK qt) |
| Coolant | 8 l (8.45 US qt, 7.04 UK qt) |
| Kerb Weight | 1425 kg (3141.59 lbs.) |
| Max. weight | 1925 kg (4243.9 lbs.) |
| Max load | 500 kg (1102.31 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 | 750 kg (1653.47 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 was the M111.981 2.3-liter inline-four engine. This engine featured a mechanically driven supercharger (Kompressor in Mercedes terminology) and an intercooler, boosting power output to 197 horsepower at 5300 rpm and 280 Nm (206.52 lb-ft) of torque between 2500 and 4800 rpm. The supercharger provided instant boost, mitigating turbo lag and delivering a more linear power delivery. Fuel was delivered via a multi-port fuel injection system, and the engine utilized a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The engine’s 9:1 compression ratio was a compromise between performance and fuel efficiency. The standard transmission was a 6-speed manual, offering precise gear changes and enhancing the sporty driving experience. A 5-speed automatic transmission was also available, though it slightly impacted acceleration and fuel economy.
Driving Characteristics
The C 230 Kompressor Sport Coupe offered a noticeably more engaging driving experience than its naturally aspirated counterparts. The supercharger provided strong low-end and mid-range torque, making it responsive in everyday driving situations. Acceleration from 0 to 60 mph took approximately 7.6 seconds, and the car could reach a top speed of 149 mph. While not a high-performance machine by modern standards, the C 230 Kompressor felt brisk and agile. The manual transmission, with its close gear ratios, allowed drivers to fully exploit the engine’s powerband. The Sport Coupe’s suspension, tuned for a firmer ride, contributed to its handling prowess, providing good body control and minimizing roll in corners. Compared to the C 320, the C 230 Kompressor offered a lighter feel and quicker steering response, though it lacked the ultimate power of the larger engine.
Equipment & Trim Levels
The C 230 Kompressor Sport Coupe came reasonably well-equipped as standard. Interior features included sport seats upholstered in fabric or leather (optional), a multi-function steering wheel, automatic climate control, and a basic audio system. The dashboard featured a sporty design with aluminum trim accents. Optional extras included a premium sound system, sunroof, navigation system, and heated seats. The Sport Coupe also benefited from unique exterior styling cues, such as a more aggressive front bumper, side skirts, and a rear spoiler. The overall interior ambiance aimed for a balance of sportiness and luxury, reflecting the car’s positioning within the C-Class range.
Chassis & Braking
The CL203 Sport Coupe utilized an independent suspension setup at all four corners. The front suspension employed McPherson struts with a transverse stabilizer bar, while the rear featured a multi-link suspension, also with a stabilizer bar. This configuration provided a good balance of ride comfort and handling precision. Braking duties were handled by ventilated discs at the front and solid discs at the rear. Anti-lock Braking System (ABS) was standard, enhancing safety and stability during hard braking. The steering system was a rack-and-pinion setup with hydraulic power assistance, offering precise and responsive steering feel.
Market Reception & Comparison
The C 230 Kompressor Sport Coupe was generally well-received by automotive critics. It was praised for its sporty handling, responsive engine, and stylish coupe design. However, some reviewers noted that the interior, while well-built, lacked the outright luxury of some competitors. Compared to the C 180 Kompressor, the C 230 offered a significant performance upgrade, while being more affordable than the C 320. Fuel economy was respectable for a performance-oriented coupe, averaging around 23.8 US mpg in combined driving. Reliability was generally good, although some owners reported issues with the supercharger and electronic components over the long term.
Legacy
The Mercedes-Benz C-Class Sport Coupe (CL203) C 230 Kompressor remains a desirable entry point into the world of Mercedes-Benz performance coupes. The M111 engine, while not without its quirks, is generally considered durable and relatively easy to maintain. Today, well-maintained examples are sought after by enthusiasts who appreciate their sporty driving dynamics and classic Mercedes-Benz styling. The C 230 Kompressor represents a unique blend of performance, style, and practicality, making it a compelling choice in the used car market. While not as common as the sedan variants, the Sport Coupe’s rarity adds to its appeal among collectors and enthusiasts.
