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, introducing styling revisions, improved interior materials, and updated engine technology. The C 180 Kompressor primarily served the European market, where compact executive sedans were highly sought after, offering a more accessible entry point into the C-Class lineup compared to the more powerful C 200 Kompressor or C 320 models.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class (W203, facelift 2004) |
| Type (Engine) | C 180 Kompressor (143 Hp) |
| 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) | 11.4 l/100 km (20.6 US mpg, 24.8 UK mpg) |
| Fuel consumption (extra urban) | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg) |
| Fuel consumption (combined) | 7.9 l/100 km (29.8 US mpg, 35.8 UK mpg) |
| CO2 emissions | 190 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.7 sec |
| Acceleration 0 – 62 mph | 9.7 sec |
| Acceleration 0 – 60 mph | 9.2 sec |
| Maximum speed | 223 km/h (138.57 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 9.9 kg/Hp |
| Weight-to-torque ratio | 6.4 kg/Nm |
| Power | 143 Hp @ 5200 rpm |
| 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 capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Kerb Weight | 1410 kg (3108.52 lbs.) |
| Max. weight | 1965 kg (4332.08 lbs.) |
| Max load | 555 kg (1223.57 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) | 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 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 | Rear wheel drive |
| Number of gears | 6 |
| Gearbox type | 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 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 indicated 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, contributing to its efficient operation. The standard transmission was a 6-speed manual, although a 5-speed automatic transmission was also available as an option. The automatic transmission was designed to provide smooth shifts and enhance the car’s usability in urban environments.
Driving Characteristics
The C 180 Kompressor with the manual transmission offered a reasonably engaging driving experience. While not overtly sporty, the supercharger provided a noticeable boost in power, making overtaking maneuvers relatively effortless. The 0-60 mph acceleration time of around 9.2 seconds was respectable for its class. The automatic transmission, while comfortable, did slightly diminish the car’s responsiveness. Gear ratios were tuned for fuel efficiency and smooth cruising, rather than outright performance. Compared to the C 200 Kompressor, the C 180 offered less power and acceleration, but it also delivered better fuel economy. The C 180 was also a more sensible choice than the diesel-powered C 220 CDI for drivers prioritizing a petrol engine and a smoother driving experience.
Equipment & Trim Levels
The C 180 Kompressor typically came equipped with a respectable level of standard features, including 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, featuring a straightforward design with logically placed controls. Optional extras included a sunroof, upgraded audio systems, parking sensors, and heated seats. Higher trim levels offered more luxurious interior appointments and additional convenience features.
Chassis & Braking
The W203 C-Class featured an independent suspension system at all four wheels. The front suspension utilized a McPherson strut design, while the rear employed a multi-link setup. This configuration provided a good balance of ride comfort and handling. The C 180 Kompressor was equipped with ventilated disc brakes at the front and solid disc brakes at the rear. Anti-lock Braking System (ABS) was standard, enhancing braking performance and stability. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The C 180 Kompressor was generally well-received by automotive critics as a practical and refined entry-level luxury sedan. It was praised for its comfortable ride, fuel efficiency, and the added punch provided by the supercharger. However, some reviewers noted that the engine could feel strained at higher speeds. Compared to rivals like the BMW 318i and Audi A4 1.8 TFSI, the C 180 offered a more comfortable ride but slightly less engaging handling. Fuel economy was competitive, averaging around 30 mpg in combined driving. Reliability was generally good, although some owners reported minor issues with the electronic systems.
Legacy
The M271 engine family, including the 1.8-liter unit found in the C 180 Kompressor, proved to be relatively durable. With proper maintenance, these engines can reliably exceed 150,000 miles. The W203 C-Class, as a whole, has developed a reputation for solid build quality and relatively affordable maintenance costs. Today, the C 180 Kompressor represents a good value proposition in the used car market, offering a taste of Mercedes-Benz luxury at an accessible price point. However, potential buyers should be aware of potential issues with the supercharger and the electronic systems, and ensure that the car has been well-maintained.




