The Mercedes-Benz C 220 CDI BlueEFFICIENCY, produced from 2011 to 2014, was a key variant within the W204 facelifted C-Class range. Positioned as a fuel-efficient and refined option, it catered to buyers seeking a balance between performance and economy in the compact executive segment. This model represented a significant update to the W204 platform, introducing revised styling, enhanced technology, and improved engine efficiency. The C 220 CDI BlueEFFICIENCY aimed to deliver a premium driving experience while minimizing environmental impact, a growing concern for consumers at the time.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class (W204, facelift 2011) |
| Type (Engine) | C 220 CDI BlueEFFICIENCY (170 Hp) |
| Start of production | 2011 |
| End of production | 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 5.6-6.3 l/100 km (42 – 37.3 US mpg) |
| Fuel consumption (extra urban) | 3.7-4.3 l/100 km (63.6 – 54.7 US mpg) |
| Fuel consumption (combined) | 4.4-5.1 l/100 km (53.5 – 46.1 US mpg) |
| CO2 emissions | 117-133 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.4 sec |
| Acceleration 0 – 62 mph | 8.4 sec |
| Acceleration 0 – 60 mph | 8 sec |
| Maximum speed | 232 km/h (144.16 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 9 kg/Hp |
| Weight-to-torque ratio | 3.8 kg/Nm |
| Power | 170 Hp @ 3000-4200 rpm |
| Torque | 400 Nm @ 1400-2800 rpm (295.02 lb.-ft. @ 1400-2800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 651.911 |
| Engine displacement | 2143 cm3 (130.77 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 99 mm (3.9 in.) |
| Compression ratio | 16.2:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Twin-Turbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 1525 kg (3362.05 lbs.) |
| Max. weight | 2115 kg (4662.78 lbs.) |
| Max load | 590 kg (1300.73 lbs.) |
| Trunk (boot) space | 475 l (16.77 cu. ft.) |
| Fuel tank capacity | 59 l (15.59 US gal | 12.98 UK gal) |
| Length | 4591 mm (180.75 in.) |
| Width | 1770 mm (69.69 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.) |
| Drag coefficient (Cd) | 0.26 |
| Minimum turning circle | 10.84 m (35.56 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 6 |
| Gearbox type | Manual transmission |
Powertrain & Engine Architecture
The C 220 CDI BlueEFFICIENCY was powered by the OM651.911, a 2.1-liter inline-four cylinder diesel engine. This engine was a mainstay of the Mercedes-Benz lineup, known for its robust construction and fuel efficiency. The ‘BlueEFFICIENCY’ designation indicated the inclusion of various technologies aimed at reducing emissions and improving economy, including a diesel particulate filter and optimized engine management. The engine utilized a common rail direct injection system, delivering fuel at extremely high pressure for improved combustion. A twin-turbocharger setup, incorporating a small, low-pressure turbo and a larger, high-pressure turbo, provided a broad torque curve and minimized turbo lag. The engine featured a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, enhancing breathing and contributing to its power output. The 6-speed manual transmission was standard, offering precise shifts and contributing to the car’s overall efficiency.
Driving Characteristics
The C 220 CDI with the manual transmission offered a respectable driving experience. While not overtly sporty, the 170 horsepower and 400 Nm (295 lb-ft) of torque provided ample power for everyday driving and overtaking maneuvers. Acceleration from 0-60 mph took around 8 seconds, which was competitive for its class. The engine’s peak torque was available from a low 1400 rpm, resulting in strong pulling power at lower speeds. Compared to the more powerful C 250 CDI or C 350 models, the C 220 CDI prioritized fuel economy over outright performance. The manual gearbox allowed for greater driver engagement, but the gear ratios were tuned for efficiency rather than aggressive acceleration. The ride quality was typical of Mercedes-Benz, offering a comfortable and refined experience, even on less-than-perfect road surfaces.
Equipment & Trim Levels
The C 220 CDI BlueEFFICIENCY typically came well-equipped, reflecting Mercedes-Benz’s commitment to luxury and comfort. Standard features included automatic climate control, a multi-function steering wheel, power windows and mirrors, and a basic audio system. Upholstery was generally cloth, although leather options were available. Higher trim levels, such as the Elegance or Avantgarde, added features like alloy wheels, upgraded interior trim, and more advanced audio systems. Optional extras included a sunroof, navigation system, parking sensors, and a premium sound system. The interior design was functional and well-built, with a focus on ergonomics and ease of use.
Chassis & Braking
The W204 C-Class featured an independent suspension system all around. The front suspension utilized a McPherson strut design, while the rear employed a multi-link setup. This configuration provided a good balance between ride comfort and handling. Stabilizer bars were fitted to both axles to reduce body roll during cornering. The braking system consisted of ventilated discs at the front and solid discs at the rear. Anti-lock braking system (ABS) was standard, enhancing safety and control. The steering was a hydraulic power-assisted rack and pinion system, providing precise and responsive steering feel.
Market Reception & Comparison
The C 220 CDI BlueEFFICIENCY was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined interior. However, some reviewers noted that the performance was not as exhilarating as some of its rivals. Compared to other trims in the C-Class lineup, the C 220 CDI offered the best fuel economy and a lower price point. The C 250 CDI provided more power, while the C 350 offered a more luxurious experience. In terms of reliability, the OM651 engine proved to be durable and long-lasting, although regular maintenance was essential.
Legacy
The Mercedes-Benz C 220 CDI BlueEFFICIENCY (W204) remains a popular choice in the used car market. Its combination of fuel efficiency, reliability, and comfort makes it an attractive option for buyers seeking a premium compact executive car. The OM651 engine is known for its longevity, and with proper maintenance, it can provide many years of reliable service. While newer models offer more advanced technology and features, the W204 C 220 CDI continues to represent a solid value proposition for those seeking a well-built and refined diesel-powered sedan.
