2017-2019 Mercedes-Benz E-class Cabrio (A238) E 200 (184 Hp) 9G-TRONIC

The Mercedes-Benz E-Class Cabriolet (A238) E 200, equipped with the 184 horsepower engine and 9G-TRONIC automatic transmission, was a key variant in the fourth generation of the E-Class convertible, produced from 2017 to 2019. Positioned as the entry-level engine option for the A238 Cabriolet, it offered a balance of performance and efficiency, appealing to buyers seeking a luxurious open-top experience without the higher costs associated with the more powerful E 300 or E 400 models. This model represented Mercedes-Benz’s continued commitment to refined, technologically advanced convertibles within the premium mid-size segment.

Technical Specifications

Brand Mercedes-Benz
Model E-Class
Generation E-Class Cabrio (A238)
Type (Engine) E 200 (184 Hp) 9G-TRONIC
Start of production 2017
End of production 2019
Powertrain Architecture Internal Combustion engine
Body type Cabriolet
Seats 4
Doors 2
Fuel consumption (urban) 8.1-8.6 l/100 km (29 – 27.4 US mpg, 34.9 – 32.8 UK mpg, 12.3 – 11.6 km/l)
Fuel consumption (extra urban) 5.2-5.9 l/100 km (45.2 – 39.9 US mpg, 54.3 – 47.9 UK mpg, 19.2 – 16.9 km/l)
Fuel consumption (combined) 6.2-6.9 l/100 km (37.9 – 34.1 US mpg, 45.6 – 40.9 UK mpg, 16.1 – 14.5 km/l)
CO2 emissions 142-157 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 8.1 sec
Acceleration 0 – 62 mph 8.1 sec
Acceleration 0 – 60 mph 7.7 sec
Maximum speed 234 km/h (145.4 mph)
Emission standard Euro 6
Weight-to-power ratio 9.1 kg/Hp, 109.5 Hp/tonne
Weight-to-torque ratio 5.6 kg/Nm, 178.6 Nm/tonne
Power 184 Hp @ 5500 rpm
Torque 300 Nm @ 1200-4000 rpm (221.27 lb.-ft. @ 1200-4000 rpm)
Engine layout Front, Longitudinal
Engine Model/Code M 274.920
Engine displacement 1991 cm3 (121.5 cu. in.)
Number of cylinders 4
Engine configuration Inline
Compression ratio 9.8:1
Number of valves per cylinder 4
Fuel injection system Direct injection
Engine aspiration Turbocharger, Intercooler
Engine oil capacity 6.3 l (6.66 US qt | 5.54 UK qt)
Kerb Weight 1680 kg (3703.77 lbs.)
Max. weight 2250 kg (4960.4 lbs.)
Max load 570 kg (1256.63 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 4826 mm (190 in.)
Width 1860 mm (73.23 in.)
Width including mirrors 2055 mm (80.91 in.)
Height 1428 mm (56.22 in.)
Wheelbase 2873 mm (113.11 in.)
Front track 1605 mm (63.19 in.)
Rear (Back) track 1609 mm (63.35 in.)
Front overhang 841 mm (33.11 in.)
Rear overhang 1112 mm (43.78 in.)
Drag coefficient (Cd) 0.29
Minimum turning circle (turning diameter) 11.37 m (37.3 ft.)
Drivetrain Architecture Rear wheel drive
Number of gears and type of gearbox 9 gears, automatic transmission G-TRONIC
Front suspension Independent multi-link suspension
Rear suspension Independent multi-link suspension
Front brakes Disc
Rear brakes Ventilated discs
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Electric Steering
Tires size 225/55 R17
Wheel rims size 17

INTRODUCTION

The A238 E-Class Cabriolet, launched in 2017, represented a significant step forward in open-top luxury for Mercedes-Benz. The E 200 variant, powered by a 2.0-liter turbocharged four-cylinder engine producing 184 horsepower, served as the entry point to the range. It was designed to appeal to customers who desired the prestige and comfort of the E-Class Cabriolet but didn’t require the higher performance offered by the six-cylinder options. Built on the W213 E-Class sedan platform, the A238 benefited from advancements in chassis technology, safety features, and interior refinement.

Powertrain & Engine Architecture

The heart of the E 200 Cabriolet is the M 274.920 2.0-liter inline-four cylinder engine. This engine utilizes direct fuel injection and is coupled with a single twin-scroll turbocharger and intercooler to deliver a balance of power and efficiency. The engine’s architecture features a relatively high compression ratio of 9.8:1, contributing to its thermal efficiency. The 9G-TRONIC nine-speed automatic transmission is a crucial component, offering smooth and efficient gear changes. This transmission is known for its wide gear ratio spread, allowing for both relaxed cruising and responsive acceleration. The transmission’s programming is tailored to complement the engine’s torque curve, providing seamless power delivery.

Driving Characteristics

The E 200 Cabriolet, with its 184 hp and 300 Nm (221 lb-ft) of torque, delivers adequate performance for everyday driving. Acceleration from 0 to 60 mph takes approximately 7.7 seconds, and the top speed is electronically limited to 145.4 mph. While not as brisk as the E 300 or E 400 models, the E 200 provides sufficient power for comfortable highway cruising and city driving. The 9G-TRONIC transmission plays a significant role in optimizing the driving experience, selecting the appropriate gear for the driving conditions. Compared to the manual transmission options available on other E-Class models, the 9G-TRONIC prioritizes comfort and fuel efficiency over outright performance. The gear ratios are tuned for relaxed cruising, and the transmission is generally unobtrusive in its operation.

Equipment & Trim Levels

The E 200 Cabriolet came standard with a generous array of features, including leather upholstery, automatic climate control, a high-resolution infotainment system with a central display screen, and a suite of safety technologies such as adaptive brake assist and collision prevention assist. Optional extras included features like the AIRMATIC air suspension system, which provided a more comfortable ride, premium sound systems from Burmester, and advanced driver-assistance systems like lane keeping assist and blind spot monitoring. Interior trim options allowed for personalization, with a range of wood veneers, aluminum accents, and upholstery colors available. The standard dashboard configuration featured analog gauges combined with a digital display screen, providing the driver with essential information.

Chassis & Braking

The A238 E-Class Cabriolet utilizes an independent multi-link suspension system at both the front and rear axles, providing a comfortable and controlled ride. The suspension is tuned to balance handling and comfort, offering a refined driving experience. The E 200 model typically featured disc brakes at all four corners, with ventilated discs on the front axle for improved heat dissipation. Anti-lock braking system (ABS) and electronic stability control (ESC) were standard features, enhancing safety and stability. The steering system is a rack-and-pinion setup with electric power assistance, providing precise and responsive steering feel.

Market Reception & Comparison

The E 200 Cabriolet was generally well-received by automotive critics, who praised its comfortable ride, refined interior, and fuel efficiency. However, some reviewers noted that the 184 horsepower engine could feel somewhat underpowered, particularly when fully loaded or driving uphill. Compared to the E 300, which offered a more powerful engine and sportier suspension tuning, the E 200 prioritized comfort and fuel economy. In terms of reliability, the M 274 engine family has proven to be generally reliable, although some owners have reported issues with the timing chain and oil leaks. Fuel economy figures for the E 200 Cabriolet were competitive, with combined fuel consumption ranging from 37.9 to 34.1 US mpg.

Legacy

The Mercedes-Benz E-Class Cabriolet (A238) E 200 remains a desirable option in the used car market, offering a blend of luxury, comfort, and style at a relatively affordable price point. The 9G-TRONIC transmission has proven to be durable and reliable, and the M 274 engine, while not the most powerful in the lineup, is generally considered to be a solid and dependable unit. Regular maintenance, including oil changes and timing chain inspections, is crucial for ensuring the long-term reliability of this powertrain. The A238 E-Class Cabriolet represents a significant chapter in Mercedes-Benz’s history of open-top motoring, and the E 200 variant continues to appeal to buyers seeking a refined and enjoyable driving experience.

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