The Mercedes-Benz E-Class Cabriolet (A238), particularly the facelifted model introduced in 2020, represents a blend of luxury, performance, and open-air driving enjoyment. The E 300 variant, equipped with a 258 horsepower engine and EQ Boost mild-hybrid technology paired with a 9G-TRONIC automatic transmission, was a key offering within the lineup from 2020 to 2023. This model aimed to provide a balance between spirited driving and fuel efficiency, appealing to buyers seeking a premium convertible experience without the full commitment of a high-performance AMG model.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class Cabrio (A238, facelift 2020) |
| Type | E 300 (258 Hp) EQ Boost 9G-TRONIC |
| Start of production | 2020 |
| End of production | 2023 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 9.2-9.5 l/100 km (25.6 – 24.8 US mpg) |
| Fuel consumption (extra urban) | 5.7-6.1 l/100 km (41.3 – 38.6 US mpg) |
| Fuel consumption (combined) | 7.0-7.4 l/100 km (33.6 – 31.8 US mpg) |
| CO2 emissions | 160-169 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6.6 sec |
| Acceleration 0 – 62 mph | 6.6 sec |
| Acceleration 0 – 60 mph | 6.3 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | EURO 6d-ISC-FCM |
| Weight-to-power ratio | 6.9 kg/Hp |
| Weight-to-torque ratio | 4.8 kg/Nm |
| Battery voltage | 48 V |
| Electric motor power | 14 Hp |
| Power | 258 Hp |
| Torque | 370 Nm @ 1650-4000 rpm (272.9 lb.-ft. @ 1650-4000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 264 |
| Engine displacement | 1991 cm3 (121.5 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-scroll turbo, Intercooler |
| Kerb Weight | 1780 kg (3924.23 lbs.) |
| Max. weight | 2365 kg (5213.93 lbs.) |
| Trunk (boot) space (minimum) | 285 l (10.06 cu. ft.) |
| Trunk (boot) space (maximum) | 360 l (12.71 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal) |
| Number of gears | 9 |
| Gearbox type | Automatic transmission G-TRONIC |
Introduction
The A238 E-Class Cabriolet, launched in 2017 and receiving a significant facelift in 2020, continued Mercedes-Benz’s long tradition of luxurious open-top motoring. The 2020 update brought revised styling, upgraded technology, and enhanced efficiency across the range. The E 300 EQ Boost model occupied a middle ground in the Cabriolet lineup, positioned above the base E 200 and below the more powerful E 450. It was designed to appeal to buyers who desired a sophisticated and comfortable convertible experience with a respectable level of performance.
Powertrain & Engine Architecture
At the heart of the E 300 Cabriolet lies the M 264 2.0-liter inline-four cylinder engine. This engine utilizes direct fuel injection and a twin-scroll turbocharger to deliver 258 horsepower and 273 lb-ft of torque. The “EQ Boost” system adds a 48-volt mild-hybrid component, integrating a 14 horsepower electric motor. This electric motor provides assistance during acceleration, allowing for smoother starts and improved fuel economy. The 9G-TRONIC nine-speed automatic transmission is standard, offering smooth and efficient gear changes. This transmission is known for its wide gear ratio spread, contributing to both fuel efficiency and responsive acceleration. The engine’s layout is front-mounted and longitudinal, driving the rear wheels.
Driving Characteristics
The E 300 Cabriolet with the 9G-TRONIC transmission delivers a refined and comfortable driving experience. While not as overtly sporty as some of its competitors, it provides ample power for everyday driving and confident highway cruising. The EQ Boost system provides a noticeable boost during initial acceleration, enhancing responsiveness. The 9G-TRONIC transmission is generally smooth and unobtrusive, although some drivers may find it occasionally hesitant during quick downshifts. Compared to the more powerful E 450, the E 300 offers a more balanced driving experience, prioritizing comfort and efficiency over outright performance. The rear-wheel drive configuration contributes to a balanced feel, although it may not be ideal for driving in inclement weather without appropriate tires.
Equipment & Trim Levels
The E 300 Cabriolet came well-equipped as standard, featuring leather upholstery, automatic climate control, a premium sound system, and a comprehensive suite of safety features. The infotainment system included a large touchscreen display with Mercedes-Benz’s MBUX interface, offering voice control and smartphone integration. Optional extras included features such as heated and ventilated seats, a head-up display, a panoramic sunroof, and advanced driver-assistance systems like adaptive cruise control and lane-keeping assist. Interior trim options allowed for personalization, with a range of wood, aluminum, and carbon fiber accents available.
Chassis & Braking
The A238 E-Class Cabriolet utilizes a sophisticated chassis design, featuring a multi-link independent suspension at all four corners. This suspension setup provides a comfortable ride while maintaining good handling characteristics. The Cabriolet’s chassis is reinforced to compensate for the lack of a fixed roof, ensuring structural rigidity. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESC) are standard safety features.
Market Reception & Comparison
The E 300 Cabriolet was generally well-received by automotive critics, who praised its luxurious interior, comfortable ride, and refined driving experience. The EQ Boost system was noted for its contribution to improved fuel economy and responsiveness. Compared to competitors like the BMW 4 Series Convertible and Audi A5 Cabriolet, the E 300 offered a more luxurious and comfortable experience, although some critics found its handling less engaging. Fuel economy figures were competitive within its class, and the mild-hybrid system helped to reduce emissions.
Legacy
The 2020-2023 E 300 Cabriolet represents a well-rounded and technologically advanced luxury convertible. The M 264 engine and 9G-TRONIC transmission have proven to be reliable powertrains, and the EQ Boost system adds a layer of efficiency and refinement. On the used car market, these models hold their value well, appealing to buyers seeking a premium open-top experience. Regular maintenance, including oil changes and adherence to Mercedes-Benz’s service schedule, is crucial for ensuring the long-term reliability of this powertrain. The A238 E-Class Cabriolet continues to be a desirable option for those seeking a blend of luxury, performance, and open-air driving enjoyment.
