The Mercedes-Benz E-Class Cabriolet (A238), particularly the E 220d variant with the 9G-TRONIC automatic transmission, represents a compelling blend of luxury, performance, and efficiency within the mid-size premium convertible segment. Introduced with the facelift in 2020 and continuing through 2023, this model occupied a significant position in the E-Class range, offering a diesel-powered option for buyers prioritizing fuel economy and torque without sacrificing the open-air experience. It builds upon the foundation of the A238 platform, known for its refined chassis and advanced technology.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class Cabrio (A238, facelift 2020) |
| Type (Engine) | E 220d (194 Hp) 9G-TRONIC |
| Start of production | 2020 |
| End of production | 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 5.9-6.2 l/100 km (39.9 – 37.9 US mpg, 47.9 – 45.6 UK mpg, 16.9 – 16.1 km/l) |
| Fuel consumption (extra urban) | 4.3-4.6 l/100 km (54.7 – 51.1 US mpg, 65.7 – 61.4 UK mpg, 23.3 – 21.7 km/l) |
| Fuel consumption (combined) | 4.9-5.2 l/100 km (48 – 45.2 US mpg, 57.6 – 54.3 UK mpg, 20.4 – 19.2 km/l) |
| CO2 emissions | 129-137 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.7 sec |
| Acceleration 0 – 62 mph | 7.7 sec |
| Acceleration 0 – 60 mph | 7.3 sec |
| Maximum speed | 237 km/h (147.26 mph) |
| Emission standard | EURO 6d-ISC-FCM |
| Weight-to-power ratio | 9.3 kg/Hp, 108.1 Hp/tonne |
| Weight-to-torque ratio | 4.5 kg/Nm, 222.8 Nm/tonne |
| Power | 194 Hp |
| Power per litre | 99.5 Hp/l |
| Torque | 400 Nm @ 1600-2800 rpm (295.02 lb.-ft. @ 1600-2800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 654 DE 20 LA |
| Engine displacement | 1950 cm3 (119 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 6.3 l (6.66 US qt | 5.54 UK qt) |
| Kerb Weight | 1795 kg (3957.3 lbs.) |
| Max. weight | 2380 kg (5247 lbs.) |
| Max load | 585 kg (1289.7 lbs.) |
| Trunk (boot) space – minimum | 310 l (10.95 cu. ft.) |
| Trunk (boot) space – maximum | 385 l (13.6 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Permitted trailer load with brakes (12%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4835 mm (190.35 in.) |
| Width | 1860 mm (73.23 in.) |
| Width including mirrors | 2055 mm (80.91 in.) |
| Height | 1430 mm (56.3 in.) |
| Wheelbase | 2873 mm (113.11 in.) |
| Front track | 1605 mm (63.19 in.) |
| Rear (Back) track | 1609 mm (63.35 in.) |
| Front overhang | 850 mm (33.46 in.) |
| Rear overhang | 1112 mm (43.78 in.) |
| Ride height (ground clearance) | 98 mm (3.86 in.) |
| Approach angle | 12.8° |
| Departure angle | 14.4° |
| Drivetrain Architecture | Rear wheel drive |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 9 gears, automatic transmission G-TRONIC |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
Powertrain & Engine Architecture
The E 220d Cabriolet is powered by the OM 654 DE 20 LA, a 2.0-liter inline-four cylinder diesel engine. This engine is a cornerstone of Mercedes-Benz’s modern diesel lineup, known for its efficiency and refinement. It utilizes a sophisticated diesel commonrail fuel injection system, delivering fuel at extremely high pressures for optimized combustion. The engine also features a turbocharger with an intercooler, boosting power output and improving throttle response. The OM654 engine is notable for its use of steel pistons, a relatively uncommon feature in modern diesel engines, contributing to its durability. Paired with this engine is the 9G-TRONIC nine-speed automatic transmission. This transmission is designed for smooth and efficient gear changes, contributing to both fuel economy and driving comfort. It features a wide gear ratio spread, allowing the engine to operate in its optimal efficiency range more frequently.
Driving Characteristics
The 194 horsepower and 400 Nm (295 lb-ft) of torque delivered by the E 220d, combined with the 9G-TRONIC transmission, provide a relaxed and refined driving experience. Acceleration from 0 to 60 mph takes approximately 7.3 seconds, which is respectable for a luxury convertible. The 9G-TRONIC transmission is programmed for comfort, with smooth upshifts and downshifts. While not as overtly sporty as higher-powered E-Class Cabriolet variants (like the E 450), the E 220d offers ample power for everyday driving and comfortable highway cruising. The torque curve is relatively flat, providing good responsiveness across a wide range of engine speeds. Compared to a manual transmission version (not commonly offered in this configuration), the 9G-TRONIC prioritizes ease of use and fuel efficiency over outright driver engagement.
Equipment & Trim Levels
The E 220d Cabriolet typically came well-equipped as standard. Features included leather upholstery, automatic climate control, a high-resolution infotainment system with navigation, and a suite of driver-assistance systems such as adaptive cruise control and lane-keeping assist. The A238 facelift brought updated interior trim options and enhanced infotainment features. Optional extras included premium sound systems (Burmester), ventilated and massaging seats, and advanced parking assistance packages. Interior color schemes were customizable, allowing buyers to personalize the cabin to their preferences. The Cabriolet also featured a fully automatic fabric soft top, available in a range of colors, designed for quiet operation and quick retraction times.
Chassis & Braking
The E-Class Cabriolet utilizes a sophisticated chassis design, featuring a multi-link independent suspension at all four wheels. This setup provides a comfortable ride quality while maintaining good handling characteristics. The E 220d variant typically featured ventilated disc brakes on all wheels, providing ample stopping power. ABS (Anti-lock Braking System) and Electronic Stability Program (ESP) were standard safety features. The suspension tuning was geared towards comfort, with a focus on absorbing road imperfections. Compared to the coupe version, the Cabriolet’s chassis was reinforced to compensate for the lack of a fixed roof, adding weight but maintaining structural rigidity.
Market Reception & Comparison
The E 220d Cabriolet was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined interior. Compared to the more powerful E 450 Cabriolet, the E 220d offered a more affordable entry point into the E-Class Cabriolet range, appealing to buyers who prioritized economy over outright performance. The diesel engine provided significantly better fuel economy than the gasoline alternatives, making it a popular choice for long-distance drivers. However, some critics noted that the E 220d lacked the dynamic flair of its more powerful siblings. Reliability reports have generally been positive, with the OM 654 engine proving to be a durable and dependable unit.
Legacy
The Mercedes-Benz E 220d Cabriolet (A238) represents a well-engineered and refined luxury convertible. The OM 654 diesel engine, coupled with the 9G-TRONIC transmission, provides a compelling combination of efficiency and comfort. On the used car market, these models are generally sought after for their fuel economy and relatively low running costs. The robust construction and proven reliability of the powertrain contribute to their long-term appeal. While diesel engines have faced increasing scrutiny in recent years, the E 220d Cabriolet remains a desirable option for buyers seeking a luxurious and efficient open-top driving experience.
