The Mercedes-Benz E-Class Cabriolet A238, specifically the E 200 (197 hp) EQ Boost model with the 9G-TRONIC automatic transmission, represents a compelling entry point into the luxury four-seat convertible market. Introduced with the A238 facelift in 2020 and continuing through 2023, this variant blended traditional Mercedes-Benz refinement with modern mild-hybrid technology. It occupied a mid-range position within the E-Class Cabriolet lineup, offering a balance between performance, fuel efficiency, and price, slotting below the more powerful E 300 and AMG variants.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class Cabrio (A238, facelift 2020) |
| Type (Engine) | E 200 (197 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) | 9.1-9.5 l/100 km (25.8 – 24.8 US mpg) |
| Fuel consumption (extra urban) | 5.6-6.0 l/100 km (42 – 39.2 US mpg) |
| Fuel consumption (combined) | 6.9-7.3 l/100 km (34.1 – 32.2 US mpg) |
| CO2 emissions | 157-167 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.9 sec |
| Acceleration 0 – 62 mph | 7.9 sec |
| Acceleration 0 – 60 mph | 7.5 sec |
| Maximum speed | 234 km/h (145.4 mph) |
| Emission standard | EURO 6d-ISC-FCM |
| Weight-to-power ratio | 8.9 kg/Hp |
| Weight-to-torque ratio | 5.5 kg/Nm |
| Battery voltage | 48 V |
| Electric motor power | 14 Hp |
| Power | 197 Hp |
| Torque | 320 Nm @ 1650-4000 rpm (236.02 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 |
| Valvetrain | DOHC |
| Engine oil capacity | 6.6 l (6.97 US qt | 5.81 UK qt) |
| Kerb Weight | 1755 kg (3869.11 lbs.) |
| Max. weight | 2340 kg (5158.82 lbs.) |
| Max load | 585 kg (1289.7 lbs.) |
| Trunk (boot) space – minimum | 285 l (10.06 cu. ft.) |
| Trunk (boot) space – maximum | 360 l (12.71 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 track | 1609 mm (63.35 in.) |
| Number of gears | 9 |
| Gearbox type | Automatic transmission G-TRONIC |
INTRODUCTION
The A238 E-Class Cabriolet, launched in 2017 and facelifted in 2020, represented the fifth generation of Mercedes-Benz’s popular open-top luxury car. The E 200 EQ Boost variant, introduced with the facelift, aimed to provide a more efficient and accessible entry point into the E-Class Cabriolet range. Built on the W213 E-Class sedan platform, the A238 offered a sophisticated driving experience combined with the freedom of open-air motoring. The EQ Boost system, a 48-volt mild-hybrid setup, was a key feature, enhancing fuel economy and providing a small power boost.
Powertrain & Engine Architecture
At the heart of the E 200 EQ Boost lies the M 264 2.0-liter inline-four cylinder engine. This engine utilizes direct fuel injection and a twin-scroll turbocharger to deliver a respectable 197 horsepower and 320 Nm (236 lb-ft) of torque between 1650 and 4000 rpm. The EQ Boost system adds a 48-volt integrated starter-generator (ISG) which provides an additional 14 horsepower and 150 Nm (111 lb-ft) of torque during acceleration. This system also enables a smoother and quieter start-stop function, as well as regenerative braking to recoup energy. The engine features a DOHC valvetrain and is longitudinally mounted in the front of the vehicle. 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 economy and performance.
Driving Characteristics
The E 200 EQ Boost Cabriolet delivers a comfortable and refined driving experience. While not overtly sporty, the combination of the turbocharged engine and the 9G-TRONIC transmission provides adequate performance for everyday driving and relaxed cruising. Acceleration from 0 to 60 mph takes approximately 7.5 seconds. The EQ Boost system provides a noticeable, though subtle, boost during acceleration, filling in gaps in the power delivery. The 9G-TRONIC transmission is well-tuned, offering seamless shifts and keeping the engine in its optimal power band. Compared to the more powerful E 300 variants, the E 200 feels less urgent in its acceleration, but the difference is often negligible in real-world driving conditions. The rear-wheel drive configuration contributes to balanced handling, although it doesn’t offer the all-weather confidence of an all-wheel drive system.
Equipment & Trim Levels
The E 200 EQ Boost Cabriolet came well-equipped as standard. Key features included leather upholstery, automatic climate control, a high-resolution infotainment system with Mercedes-Benz’s MBUX interface, and a suite of safety features such as automatic emergency braking and lane-keeping assist. Optional extras included features like the AIRMATIC air suspension, premium Burmester sound system, and a head-up display. Interior trim options ranged from aluminum to wood finishes, allowing for a degree of personalization. The Cabriolet’s soft top was available in a range of colors and could be operated at speeds up to 60 km/h (37 mph).
Chassis & Braking
The A238 E-Class Cabriolet utilizes a sophisticated chassis design. The front suspension features multi-link independent suspension, while the rear employs a five-link independent suspension. This setup provides a comfortable ride and good handling characteristics. The E 200 typically came equipped with ventilated disc brakes on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) and electronic stability control were standard safety features. The steering system is a rack-and-pinion type with electric power assistance, offering precise and responsive steering feel.
Market Reception & Comparison
The E 200 EQ Boost Cabriolet was generally well-received by automotive critics. It was praised for its comfortable ride, refined interior, and fuel efficiency. The EQ Boost system was seen as a positive addition, enhancing the driving experience without significantly impacting performance. Compared to the E 300, the E 200 offered a more affordable entry point into the E-Class Cabriolet range, making it an attractive option for buyers prioritizing fuel economy and value. However, some critics noted that the E 200 lacked the outright performance of its more powerful siblings. Fuel economy figures averaged around 34 mpg combined, making it a relatively efficient luxury convertible.
Legacy
The M 264 engine, coupled with the 9G-TRONIC transmission, has proven to be a reliable powertrain combination. While long-term reliability data is still accumulating, early reports suggest that the engine is generally robust and durable. The EQ Boost system has also proven to be relatively trouble-free. On the used car market, the E 200 EQ Boost Cabriolet represents a good value proposition, offering a luxurious and well-equipped convertible at a competitive price. Its blend of comfort, efficiency, and style ensures its continued appeal to buyers seeking a refined open-top driving experience.




