The Mercedes-Benz C-Class Cabriolet (A205), specifically the C 220d variant producing 170 horsepower, was a key offering in the premium compact convertible segment from 2016 to 2018. Positioned as a mid-range option within the A205 C-Class Cabriolet lineup, it aimed to balance fuel efficiency, respectable performance, and the open-air driving experience characteristic of a convertible. This model represented Mercedes-Benz’s continued commitment to offering a diverse range of options within its popular C-Class family, catering to buyers seeking a more economical diesel-powered alternative to the gasoline-fueled C 300 Cabriolet.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-class |
| Generation | C-class Cabriolet (A205) |
| Type (Engine) | C 220d (170 Hp) |
| Start of production | 2016 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 5.7-5.4 l/100 km (41.3 – 43.6 US mpg) |
| Fuel consumption (extra urban) | 4.3-3.9 l/100 km (54.7 – 60.3 US mpg) |
| Fuel consumption (combined) | 4.8-4.5 l/100 km (49 – 52.3 US mpg) |
| CO2 emissions | 126-116 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.3 sec |
| Acceleration 0 – 62 mph | 8.3 sec |
| Acceleration 0 – 60 mph | 7.9 sec |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 10.2 kg/Hp |
| Power per litre | 79.3 Hp/l |
| Torque | 400 Nm @ 1400-2800 rpm (295.02 lb.-ft. @ 1400-2800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 651.921 |
| Engine displacement | 2143 cm3 (130.77 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Compression ratio | 16.2:1 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | BiTurbo, Intercooler |
| Engine oil capacity | 6 l (6.34 US qt | 5.28 UK qt) |
| Kerb Weight | 1735 kg (3825.02 lbs.) |
| Max. weight | 2215 kg (4883.24 lbs.) |
| Max load | 480 kg (1058.22 lbs.) |
| Trunk (boot) space – minimum | 285 l (10.06 cu. ft.) |
| Trunk (boot) space – maximum | 360 l (12.71 cu. ft.) |
| Fuel tank capacity | 41 l (10.83 US gal | 9.02 UK gal) |
| Permitted trailer load with brakes (12%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4686 mm (184.49 in.) |
| Width | 1810 mm (71.26 in.) |
| Width including mirrors | 2016 mm (79.37 in.) |
| Height | 1409 mm (55.47 in.) |
| Wheelbase | 2840 mm (111.81 in.) |
| Front track | 1563 mm (61.54 in.) |
| Rear (Back) track | 1546 mm (60.87 in.) |
| Front overhang | 790 mm (31.1 in.) |
| Rear overhang | 1056 mm (41.57 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle | 11.22 m (36.81 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/50 R17 |
| Wheel rims size | 17 |
INTRODUCTION
The A205 C-Class Cabriolet, launched in 2016, represented the fourth generation of Mercedes-Benz’s popular compact convertible. The C 220d variant, powered by a 2.1-liter turbocharged diesel engine, was introduced as a fuel-efficient and torque-rich option within the range. Built on the MRA (Modular Rear-wheel Architecture) platform, shared with the C-Class sedan and coupe, the Cabriolet offered a blend of luxury, performance, and open-top motoring. The C 220d specifically targeted buyers who prioritized economy and relaxed cruising over outright speed, making it a popular choice in European markets where diesel fuel was prevalent and taxation favored lower emissions.
Powertrain & Engine Architecture
The heart of the C 220d Cabriolet is the OM651.921, a 2.143-liter inline-four cylinder diesel engine. This engine utilizes a sophisticated common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A twin-turbocharger setup – one large and one small turbo – provides both strong low-end torque and sustained power throughout the rev range. The smaller turbocharger spools up quickly to eliminate turbo lag, while the larger turbo contributes to higher horsepower at higher engine speeds. The engine also features an intercooler to further enhance performance by cooling the intake air. The C 220d was typically paired with a 6-speed manual transmission, although a 9G-TRONIC 9-speed automatic transmission was also available as an option. The automatic transmission offered smoother shifts and improved fuel efficiency, but at the expense of some driver engagement.
Driving Characteristics
The C 220d Cabriolet, with its 170 horsepower and 400 Nm (295 lb-ft) of torque, provided a comfortable and refined driving experience. Acceleration from 0 to 60 mph took approximately 7.9 seconds, which was adequate for everyday driving but not particularly sporty. The engine’s strong low-end torque made it easy to navigate city streets and provided effortless overtaking on the highway. The 6-speed manual transmission, while engaging, had relatively long throws. The optional 9-speed automatic offered smoother transitions and optimized gear selection for fuel economy. Compared to the more powerful C 300 Cabriolet, the C 220d felt less eager to rev, but its superior fuel economy and relaxed cruising character appealed to a different type of driver.
Equipment & Trim Levels
The C 220d Cabriolet came standard with a generous array of features, including automatic climate control, a multi-function steering wheel, and a high-resolution infotainment system with a central display screen. Interior upholstery typically consisted of Artico leather, a high-quality synthetic leather. Optional extras included genuine leather upholstery, heated seats, a premium sound system, and advanced driver-assistance systems such as lane keeping assist and adaptive cruise control. Trim levels varied depending on the market, but generally included ‘Sport’ and ‘AMG Line’ packages, which added more aggressive styling cues and sport-tuned suspension components.
Chassis & Braking
The A205 C-Class Cabriolet utilized an independent multi-link suspension system at both the front and rear axles, providing a comfortable ride and precise handling. The suspension was tuned to balance comfort and agility, offering a good compromise for both city driving and spirited backroad excursions. Braking duties were handled by ventilated disc brakes at the front and solid disc brakes at the rear. Anti-lock braking system (ABS) and electronic stability control (ESC) were standard features, enhancing safety and stability. The Cabriolet’s chassis was reinforced compared to the coupe and sedan to compensate for the lack of a fixed roof, ensuring structural rigidity and minimizing body flex.
Market Reception & Comparison
The C 220d Cabriolet was generally well-received by automotive critics, who praised its fuel efficiency, comfortable ride, and refined interior. However, some reviewers noted that the engine lacked the outright performance of its gasoline-powered counterparts. Compared to the C 300 Cabriolet, the C 220d offered significantly better fuel economy – around 49-52 mpg combined – but at the cost of approximately 2 seconds in 0-60 mph acceleration. In terms of reliability, the OM651 engine family had a generally good reputation, although diesel particulate filter (DPF) issues could occur with frequent short trips.
Legacy
The Mercedes-Benz C 220d Cabriolet (A205) remains a popular choice in the used car market, particularly for buyers seeking a stylish and economical convertible. The OM651 diesel engine, while requiring regular maintenance, is known for its durability and longevity. The A205 generation C-Class Cabriolet established itself as a strong competitor in the premium compact convertible segment, offering a compelling blend of luxury, performance, and fuel efficiency. Today, well-maintained examples of the C 220d Cabriolet continue to provide a rewarding open-top driving experience.





