The Mercedes-Benz C 180 Kompressor, produced from April 2004 to March 2007, was a key variant within the W203 facelifted C-Class range. Positioned as an entry-level to mid-range offering, it aimed to provide a balance of Mercedes-Benz luxury and refinement with reasonable fuel economy and performance. This model represented a significant update to the W203 platform (introduced in 2000), incorporating styling revisions, improved interior materials, and updated engine technology. The C 180 Kompressor with the automatic transmission was particularly popular in markets where ease of driving and comfort were prioritized, such as North America and parts of Europe.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class (W203, facelift 2004) |
| Type (Engine) | C 180 Kompressor (143 Hp) Automatic |
| Start of production | April, 2004 |
| End of production | March, 2007 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 11.8 l/100 km (19.9 US mpg, 23.9 UK mpg, 8.5 km/l) |
| Fuel consumption (extra urban) | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg, 16.9 km/l) |
| Fuel consumption (combined) | 7.9 l/100 km (29.8 US mpg, 35.8 UK mpg, 12.7 km/l) |
| CO2 emissions | 193 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.9 sec |
| Acceleration 0 – 62 mph | 9.9 sec |
| Acceleration 0 – 60 mph | 9.4 sec |
| Maximum speed | 220 km/h (136.7 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 10 kg/Hp, 100 Hp/tonne |
| Weight-to-torque ratio | 6.5 kg/Nm, 153.8 Nm/tonne |
| Power | 143 Hp @ 5200 rpm |
| Power per litre | 79.6 Hp/l |
| Torque | 220 Nm @ 2500-4200 rpm (162.26 lb.-ft. @ 2500-4200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 271.946 |
| 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 | 10.2:1 |
| 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 | 1430 kg (3152.61 lbs.) |
| Max. weight | 1965 kg (4332.08 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 (12%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load without brakes | 740 kg (1631.42 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 | 1505 mm (59.25 in.) |
| Rear (Back) track | 1476 mm (58.11 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 | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, 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 180 Kompressor was powered by the M271.946 1.8-liter inline-four cylinder engine. This engine was a significant departure from previous Mercedes-Benz four-cylinder designs, utilizing all-aluminum construction for reduced weight. The “Kompressor” designation indicates the presence of a mechanically driven supercharger, providing increased torque at lower engine speeds. This supercharger, coupled with multi-port fuel injection, allowed the engine to produce 143 horsepower at 5200 rpm and 220 Nm (162 lb-ft) of torque between 2500 and 4200 rpm. The engine featured a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The automatic transmission offered with this variant was a five-speed unit, designed to provide smooth and comfortable gear changes. This transmission was electronically controlled, adapting to driving conditions and driver input.
Driving Characteristics
The C 180 Kompressor Automatic offered a comfortable and refined driving experience. While not particularly sporty, the supercharger provided adequate acceleration, with a 0-60 mph time of around 9.4 seconds. The automatic transmission contributed to ease of use, particularly in urban environments. Compared to the manual transmission version, the automatic offered less direct control but smoother shifts. Compared to higher-performance C-Class variants like the C 230 Kompressor or C 32 AMG, the C 180 Kompressor was noticeably less powerful, but it provided a more economical and accessible entry point into the Mercedes-Benz range. The gear ratios were tuned for fuel efficiency and comfortable cruising, rather than outright performance.
Equipment & Trim Levels
The C 180 Kompressor Automatic typically came standard with features such as air conditioning, power windows, power mirrors, a multi-function steering wheel, and an audio system. Interior upholstery was generally cloth, although leather options were available. Optional extras included sunroof, upgraded audio systems, navigation, and parking sensors. The facelifted W203 models also benefited from improved interior materials and a more modern dashboard design compared to earlier versions. Trim levels varied by market, but generally, the C 180 Kompressor represented a well-equipped base model, with options available to personalize the vehicle.
Chassis & Braking
The W203 C-Class featured an independent suspension system, with McPherson struts at the front and a multi-link setup at the rear. This provided a good balance of ride comfort and handling. The C 180 Kompressor typically came equipped with ventilated disc brakes at the front and solid disc brakes at the rear. Anti-lock Braking System (ABS) was standard. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The chassis was designed to provide a stable and predictable driving experience, prioritizing comfort over outright sportiness.
Market Reception & Comparison
The C 180 Kompressor Automatic was generally well-received by critics as a practical and comfortable entry-level luxury sedan. It was praised for its refined engine, smooth transmission, and comfortable ride. However, some reviewers noted that its performance was not as exciting as some of its rivals. Fuel economy was considered reasonable for its class, although not class-leading. Compared to other C-Class variants, the C 180 Kompressor offered the best fuel economy and the lowest purchase price, making it an attractive option for buyers prioritizing value and efficiency.
Legacy
The M271 engine family, including the 1.8-liter Kompressor variant, proved to be relatively reliable, although regular maintenance is crucial. Common issues include oil leaks and occasional supercharger problems. In the used car market, the C 180 Kompressor Automatic remains a relatively affordable option for those seeking a comfortable and well-built Mercedes-Benz. Its combination of luxury, refinement, and reasonable running costs continues to appeal to a wide range of buyers. While not a performance icon, it represents a solid and dependable choice within the W203 C-Class lineup.





