The Mercedes-Benz C 200 CGI BlueEFFICIENCY, produced between 2009 and 2011, was a key variant within the W204 C-Class range. Positioned as a mid-range offering, it aimed to balance performance and fuel economy within the compact executive segment. This model represented Mercedes-Benz’s efforts to incorporate direct injection and turbocharging technology – branded as CGI (Compressed Gas Ignition) – into their mainstream lineup, enhancing efficiency without significantly sacrificing driving pleasure. The C 200 CGI BlueEFFICIENCY primarily served the European market, where fuel efficiency and emissions regulations were becoming increasingly stringent, though limited examples were also available in other regions.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class (W204) |
| Type | C 200 CGI BlueEFFICIENCY (184 Hp) 5G-TRONIC |
| Start of production | 2009 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 10.1-10.7 l/100 km (23.3 – 22 US mpg, 28 – 26.4 UK mpg, 9.9 – 9.3 km/l) |
| Fuel consumption (extra urban) | 5.5-6.2 l/100 km (42.8 – 37.9 US mpg, 51.4 – 45.6 UK mpg, 18.2 – 16.1 km/l) |
| Fuel consumption (combined) | 7.2-7.9 l/100 km (32.7 – 29.8 US mpg, 39.2 – 35.8 UK mpg, 13.9 – 12.7 km/l) |
| CO2 emissions | 168-184 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.2 sec |
| Acceleration 0 – 62 mph | 8.2 sec |
| Acceleration 0 – 60 mph | 7.8 sec |
| Maximum speed | 232 km/h (144.16 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 7.8 kg/Hp, 128.7 Hp/tonne |
| Weight-to-torque ratio | 5.3 kg/Nm, 188.8 Nm/tonne |
| Power | 184 Hp @ 5250 rpm |
| Torque | 270 Nm @ 1800-4600 rpm (199.14 lb.-ft. @ 1800-4600 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 271.820 |
| 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 | 9.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, 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 | 1430 kg (3152.61 lbs.) |
| Max. weight | 2010 kg (4431.29 lbs.) |
| Max load | 580 kg (1278.68 lbs.) |
| Trunk (boot) space (minimum) | 475 l (16.77 cu. ft.) |
| Fuel tank capacity | 59 l (15.59 US gal | 12.98 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load (with brakes) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load (without brakes) | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4581 mm (180.35 in.) |
| Width | 1770 mm (69.69 in.) |
| Width including mirrors | 2009 mm (79.09 in.) |
| Height | 1447 mm (56.97 in.) |
| Wheelbase | 2760 mm (108.66 in.) |
| Front track | 1549 mm (60.98 in.) |
| Rear track | 1552 mm (61.1 in.) |
| Front overhang | 765 mm (30.12 in.) |
| Rear overhang | 1056 mm (41.57 in.) |
| Minimum turning circle | 10.84 m (35.56 ft.) |
| Drivetrain | Rear wheel drive |
| Number of gears/gearbox type | 5 gears, automatic transmission G-TRONIC |
| 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 R16 |
| Wheel rims size | 7J x 16 |
Powertrain & Engine Architecture
The C 200 CGI BlueEFFICIENCY was powered by the M271.820 1.8-liter inline-four cylinder engine. This engine was a significant departure from previous naturally aspirated offerings, employing direct fuel injection and a turbocharger with an intercooler. The direct injection system, a key component of the CGI technology, allowed for more precise fuel delivery, improving combustion efficiency and reducing emissions. The engine featured a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for increased power output. The 5G-TRONIC automatic transmission, a five-speed torque converter automatic, was the sole transmission option. This transmission was known for its smooth shifts and relatively quick response, though it lacked the efficiency of more modern multi-gear automatics.
Driving Characteristics
The 184 horsepower and 199 lb-ft of torque provided by the C 200 CGI BlueEFFICIENCY offered adequate performance for everyday driving. Acceleration from 0-60 mph took around 7.8 seconds, making it competitive within its class. However, compared to the more powerful C 250 or C 350 models, the C 200 felt noticeably less responsive, particularly during overtaking maneuvers. The 5G-TRONIC transmission, while smooth, could sometimes feel hesitant when downshifting. The gear ratios were tuned for fuel economy rather than outright performance. The engine delivered its peak torque from 1800-4600 rpm, providing a usable powerband for most driving situations, but lacked the punch of larger displacement engines.
Equipment & Trim Levels
The C 200 CGI BlueEFFICIENCY typically came standard with features such as automatic climate control, a multi-function steering wheel, and a basic audio system. Upholstery was generally cloth, though leather options were available. Common optional extras included a sunroof, upgraded audio systems (often from Harman Kardon), navigation system, and parking sensors. The ‘BlueEFFICIENCY’ designation indicated the inclusion of specific fuel-saving technologies, such as optimized aerodynamics and low-rolling-resistance tires. Trim levels were relatively simple, with most customization occurring through the selection of individual options packages.
Chassis & Braking
The W204 C-Class featured an independent suspension system all around, with a McPherson strut setup at the front and a multi-link suspension at the rear. This provided a comfortable ride quality while maintaining reasonable handling characteristics. The C 200 CGI BlueEFFICIENCY, being a mid-range model, 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 steering was a hydraulic power-assisted rack and pinion system, offering a good balance of feel and assistance.
Market Reception & Comparison
The C 200 CGI BlueEFFICIENCY was generally well-received by automotive critics as a sensible and efficient option within the C-Class range. It was praised for its fuel economy and comfortable ride, but some reviewers noted its lack of outright performance compared to higher-powered variants. Compared to the C 250, which offered a more powerful engine, the C 200 was more affordable and fuel-efficient, appealing to buyers prioritizing practicality. The C 220 CDI diesel variant offered similar fuel economy with more torque, making it a popular alternative for those covering long distances. Reliability was generally good, though some owners reported issues with the turbocharger and direct injection system over the long term.
Legacy
The C 200 CGI BlueEFFICIENCY represents an important step in Mercedes-Benz’s adoption of fuel-efficient technologies. The M271 engine, while not without its quirks, proved to be a relatively durable powerplant when properly maintained. Today, used examples of the C 200 CGI BlueEFFICIENCY are readily available and offer a relatively affordable entry point into Mercedes-Benz ownership. However, potential buyers should be aware of the potential for issues with the turbocharger and direct injection system, and ensure that the vehicle has been regularly serviced. The 5G-TRONIC transmission, while reliable, is showing its age and may require maintenance or eventual replacement in higher-mileage examples.
