The Mercedes-Benz E-Class Cabriolet (A238) AMG E 53, produced from May 2018 to 2020, represents a performance-oriented iteration of the A238 generation E-Class convertible. Positioned as a high-performance variant within the E-Class Cabriolet range, it bridges the gap between the standard models and the full-fledged AMG E 63. This model introduced Mercedes-AMG’s 53-series designation, signifying a step up in performance through the integration of mild-hybrid technology (EQ Boost) and a potent inline-six engine. The A238 E 53 aimed to deliver a blend of open-air luxury, dynamic handling, and substantial power, appealing to buyers seeking a sophisticated yet exhilarating driving experience.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class Cabrio (A238) |
| Type | AMG E 53 (435 Hp) EQ Boost 4MATIC+ AMG SPEEDSHIFT TCT |
| Start of production | May, 2018 |
| End of production | 2020 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption at Low speed (WLTP) | 9.2 l/100 km (25.6 US mpg) |
| Fuel consumption at very high speed (WLTP) | 9.5 l/100 km (24.8 US mpg) |
| CO2 emissions (WLTP) | 209-216 g/km |
| Fuel consumption (economy) – urban | 9.6 l/100 km (24.5 US mpg) |
| Fuel consumption (economy) – extra urban | 5.9 l/100 km (39.9 US mpg) |
| Fuel consumption (economy) – combined | 7.3 l/100 km (32.2 US mpg) |
| CO2 emissions | 200-204 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.5 sec |
| Acceleration 0 – 62 mph | 4.5 sec |
| Acceleration 0 – 60 mph | 4.3 sec |
| Maximum speed | 250 km/h (155.34 mph), Electronically limited |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 4.6 kg/Hp |
| Weight-to-torque ratio | 3.8 kg/Nm |
| Gross battery capacity | 0.9 kWh |
| Battery voltage | 48 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Electric motor power | 22 Hp |
| Electric motor Torque | 250 Nm (184.39 lb.-ft.) |
| Electric motor location | Between the combustion engine and the transmission |
| Power | 435 Hp @ 6100 rpm |
| Torque | 520 Nm @ 1800-5800 rpm (383.53 lb.-ft. @ 1800-5800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 256.930 |
| Engine displacement | 2999 cm3 (183.01 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 92.4 mm (3.64 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger and Electric Powered Compressor, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 8.5 l (8.98 US qt | 7.48 UK qt) |
| Coolant | 14 l (14.79 US qt | 12.32 UK qt) |
| Kerb Weight | 1980 kg (4365.15 lbs.) |
| Max. weight | 2475 kg (5456.44 lbs.) |
| Max load | 495 kg (1091.29 lbs.) |
| Trunk (boot) space – minimum | 385 l (13.6 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Permitted trailer load with brakes (12%) | 1900 kg (4188.78 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4848 mm (190.87 in.) |
| Width | 1860 mm (73.23 in.) |
| Width including mirrors | 2065 mm (81.3 in.) |
| Height | 1425 mm (56.1 in.) |
| Wheelbase | 2873 mm (113.11 in.) |
| Front track | 1627 mm (64.06 in.) |
| Rear (Back) track | 1591 mm (62.64 in.) |
| Front overhang | 853 mm (33.58 in.) |
| Rear overhang | 1122 mm (44.17 in.) |
| Minimum turning circle | 12.1 m (39.7 ft.) |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Number of gears and type of gearbox | 9 gears, automatic transmission AMG SPEEDSHIFT TCT |
Powertrain & Engine Architecture
At the heart of the AMG E 53 Cabriolet lies the M256 3.0-liter inline-six engine. This engine is a significant departure from the traditional Mercedes-AMG V8s, employing a sophisticated combination of turbocharging and an electric auxiliary compressor. The turbocharger provides boost at higher engine speeds, while the electric compressor spools up almost instantly, eliminating turbo lag and delivering immediate response at lower RPMs. Direct fuel injection ensures precise fuel delivery, optimizing combustion efficiency and power output. The engine produces 435 horsepower at 6,100 rpm and 520 Nm (383.53 lb-ft) of torque between 1,800 and 5,800 rpm. Adding to this is the 48V EQ Boost system, which incorporates a small electric motor integrated into the transmission. This motor provides an additional 22 horsepower and 250 Nm (184.39 lb-ft) of torque, assisting the engine during acceleration and smoothing out shifts. The transmission is a 9-speed AMG SPEEDSHIFT TCT automatic, known for its quick and precise gear changes.
Driving Characteristics
The AMG E 53 Cabriolet delivers a noticeably more engaging driving experience than the standard E-Class Cabriolet. The combination of the inline-six engine, turbocharging, electric compressor, and EQ Boost results in strong and readily available power throughout the rev range. The 9-speed automatic transmission is well-tuned, providing smooth and responsive shifts. The EQ Boost system contributes to a seamless power delivery, minimizing any perceptible turbo lag. While not as brutally powerful as the E 63, the E 53 offers ample performance for spirited driving, with a 0-60 mph time of around 4.3 seconds. The 4MATIC+ all-wheel-drive system provides excellent traction, enhancing stability and confidence in various driving conditions. The suspension is tuned for a balance between comfort and handling, offering a firm but not overly harsh ride.
Equipment & Trim Levels
The AMG E 53 Cabriolet came generously equipped as standard. Key features included AMG-specific styling elements (body kit, wheels, interior trim), leather upholstery, heated and ventilated front seats, a premium sound system, and a comprehensive suite of driver-assistance systems. The interior featured AMG sport seats, a flat-bottom steering wheel, and unique instrument cluster graphics. Optional extras included advanced driver-assistance packages, upgraded audio systems, and a variety of interior customization options. The standard upholstery was typically leather, with options for Nappa leather in various colors. The dashboard featured a dual 12.3-inch display setup, combining the instrument cluster and infotainment screen.
Chassis & Braking
The E 53 Cabriolet utilizes an independent multi-link suspension at both the front and rear, providing a comfortable and controlled ride. The suspension is specifically tuned to handle the increased power and performance of the AMG variant. Braking duties are handled by ventilated discs at all four corners, providing ample stopping power. The AMG braking system often included larger rotors and calipers compared to the standard E-Class. The steering is a speed-sensitive electric power steering system, offering precise and responsive control. The 4MATIC+ all-wheel-drive system is a fully variable system, capable of distributing torque between the front and rear axles as needed to optimize traction and handling.
Market Reception & Comparison
The AMG E 53 Cabriolet was generally well-received by automotive critics. It was praised for its potent engine, responsive handling, and luxurious interior. Critics noted that it offered a compelling alternative to the more expensive and hardcore E 63, providing a good balance of performance and comfort. Compared to the standard E-Class Cabriolet, the E 53 offered a significant performance upgrade, while remaining more approachable than the E 63. Fuel economy, while not exceptional, was reasonable for a high-performance convertible, averaging around 32.2 US mpg in combined driving. Reliability reports have been generally positive, with no major recurring issues reported.
Legacy
The AMG E 53 Cabriolet represents an important step in Mercedes-AMG’s strategy of expanding its model range with more accessible performance variants. The introduction of the M256 engine and EQ Boost technology demonstrated AMG’s commitment to innovation and efficiency. On the used car market, the A238 E 53 Cabriolet holds its value well, appealing to buyers seeking a stylish and powerful convertible with a sophisticated powertrain. The combination of performance, luxury, and technology ensures that it remains a desirable option for enthusiasts.
