The Mercedes-Benz E-Class Cabriolet (A238) E 400 V6 4MATIC, produced from 2017 to May 2018, represented a compelling blend of luxury, performance, and open-air driving enjoyment within the E-Class range. Positioned as a mid-to-high-end variant, it offered a significant step up in power and refinement compared to the base models, while remaining more accessible than the full-performance AMG versions. This model occupied a niche for buyers seeking a sophisticated convertible experience with robust acceleration and all-weather capability thanks to its 4MATIC all-wheel-drive system.
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class Cabrio (A238) |
| Type | E 400 V6 (333 Hp) 4MATIC 9G-TRONIC |
| Start of production | 2017 |
| End of production | May, 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 11.2-11.4 l/100 km (21 – 20.6 US mpg) |
| Fuel consumption (extra urban) | 6.6-6.9 l/100 km (35.6 – 34.1 US mpg) |
| Fuel consumption (combined) | 8.3-8.6 l/100 km (28.3 – 27.4 US mpg) |
| CO2 emissions | 187-194 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.5 sec |
| Acceleration 0 – 62 mph | 5.5 sec |
| Acceleration 0 – 60 mph | 5.2 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 5.6 kg/Hp |
| Weight-to-torque ratio | 3.9 kg/Nm |
| Power | 333 Hp @ 5250-6000 rpm |
| Torque | 480 Nm @ 1600-4000 rpm (354.03 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 276.823 |
| Engine displacement | 2996 cm3 (182.83 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 1860 kg (4100.6 lbs.) |
| Max. weight | 2415 kg (5324.16 lbs.) |
| Max load | 555 kg (1223.57 lbs.) |
| Trunk (boot) space – minimum | 310 l (10.95 cu. ft.) |
| Trunk (boot) space – maximum | 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%) | 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 | 1598 mm (62.91 in.) |
| Rear track | 1604 mm (63.15 in.) |
| Front overhang | 841 mm (33.11 in.) |
| Rear overhang | 1112 mm (43.78 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle | 11.61 m (38.09 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 9 |
| Gearbox type | 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 | 245/45 R18 |
| Wheel rims size | 18 |
Powertrain & Engine Architecture
The E 400 V6 4MATIC was powered by the M276.823 engine, a 3.0-liter V6 engine featuring direct injection and a single turbocharger with an intercooler. This engine produced 333 horsepower at 5250-6000 rpm and 480 Nm (354 lb-ft) of torque between 1600-4000 rpm. The engine’s design prioritized smooth power delivery and efficiency. The direct injection system precisely meters fuel into the cylinders, optimizing combustion and reducing emissions. The turbocharger provides a significant boost in power without sacrificing fuel economy. This engine was paired exclusively with Mercedes-Benz’s 9G-TRONIC nine-speed automatic transmission. This transmission offered quick, smooth shifts and contributed to improved fuel efficiency by keeping the engine operating within its optimal power band. The 9G-TRONIC’s wide gear ratio spread allowed for both relaxed cruising and responsive acceleration.
Driving Characteristics
The E 400 V6 4MATIC offered a refined and capable driving experience. The combination of the V6 engine and the 9G-TRONIC transmission resulted in brisk acceleration – 0 to 60 mph in approximately 5.2 seconds. The 4MATIC all-wheel-drive system provided excellent traction in various weather conditions, enhancing stability and confidence. Compared to the base E-Class models with four-cylinder engines, the E 400 V6 offered a substantial increase in power and torque, resulting in noticeably quicker acceleration and more effortless highway cruising. While not as overtly sporty as the AMG variants, the E 400 V6 provided a balanced blend of performance and comfort. The 9G-TRONIC transmission’s programming prioritized smooth shifts and fuel efficiency, but also allowed for manual gear selection via paddle shifters for more engaging driving.
Equipment & Trim Levels
The E 400 V6 4MATIC Cabriolet came standard with a generous array of features, reflecting its position as a premium model. Standard equipment typically included leather upholstery, heated and ventilated front seats, a premium sound system, a large infotainment display with navigation, and a suite of driver-assistance systems such as adaptive cruise control, lane-keeping assist, and automatic emergency braking. Optional extras included features like a head-up display, massaging seats, and upgraded interior trim materials. The Cabriolet also featured a fully automatic retractable soft top, which could be operated at speeds up to 31 mph. Interior trim options ranged from wood veneers to aluminum accents, allowing buyers to personalize the cabin to their preferences.
Chassis & Braking
The A238 E-Class Cabriolet utilized a sophisticated chassis design focused on providing a comfortable ride and precise handling. The suspension consisted of an independent multi-link setup at both the front and rear, optimized for both ride quality and stability. The 4MATIC all-wheel-drive system distributed power between the front and rear axles as needed, enhancing traction and cornering grip. Braking duties were handled by disc brakes at all four corners, with ventilated discs at the rear to improve heat dissipation. The E 400 V6 4MATIC typically featured larger brake rotors and calipers compared to the base models, providing enhanced stopping power. Standard safety features included ABS, electronic stability control, and a tire pressure monitoring system.
Market Reception & Comparison
The E 400 V6 4MATIC Cabriolet was generally well-received by automotive critics. Reviewers praised its powerful engine, smooth transmission, comfortable ride, and luxurious interior. The 4MATIC all-wheel-drive system was also highlighted as a significant advantage, particularly in regions with inclement weather. Compared to competitors like the BMW 4 Series Convertible and the Audi A5 Cabriolet, the E-Class Cabriolet offered a more refined and luxurious experience, albeit at a slightly higher price point. Fuel economy was respectable for a vehicle of its size and performance, averaging around 28 mpg in combined driving. Reliability reports suggested that the M276 engine and 9G-TRONIC transmission were generally reliable, although some owners reported minor issues with electronic components.
Legacy
The Mercedes-Benz E 400 V6 4MATIC Cabriolet (A238) remains a desirable used car today, appreciated for its blend of luxury, performance, and all-weather capability. The M276 engine is known for its durability and relatively straightforward maintenance. While the 9G-TRONIC transmission has proven generally reliable, regular fluid changes are essential to ensure its longevity. The A238 generation E-Class Cabriolet represents a high point in Mercedes-Benz’s convertible heritage, offering a sophisticated and enjoyable driving experience that continues to appeal to enthusiasts.
