The Mercedes-Benz E-Class Cabriolet (A207) facelift, produced from June 2013 to July 2014, represented a significant refinement of the second-generation E-Class convertible. The E 300 V6, equipped with the 7G-TRONIC PLUS automatic transmission, occupied a middle ground within the A207 range, offering a balance of performance, luxury, and fuel efficiency. This variant aimed to appeal to buyers seeking a sophisticated open-top experience without the outright performance focus of the E 550 or the diesel-oriented economy of the E 350 CDI. It was positioned as a premium offering within the convertible segment, competing with vehicles like the BMW 3 Series Convertible and Audi A5 Cabriolet.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class Cabrio (A207, facelift 2013) |
| Type (Engine) | E 300 V6 (252 Hp) 7G-TRONIC PLUS |
| Start of production | June, 2013 |
| End of production | July, 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 10-10.2 l/100 km (23.5 – 23.1 US mpg) |
| Fuel consumption (extra urban) | 5.6-5.9 l/100 km (42 – 39.9 US mpg) |
| Fuel consumption (combined) | 7.2-7.5 l/100 km (32.7 – 31.4 US mpg) |
| CO2 emissions | 169-175 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.2 sec |
| Acceleration 0 – 62 mph | 7.2 sec |
| Acceleration 0 – 60 mph | 6.8 sec |
| Maximum speed | 250 km/h (155.34 mph) – Electronically limited |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 6.9 kg/Hp |
| Weight-to-torque ratio | 5.1 kg/Nm |
| Power | 252 Hp @ 6500 rpm |
| Torque | 340 Nm @ 3500-4500 rpm (250.77 lb.-ft. @ 3500-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 276.820 |
| Engine displacement | 3498 cm3 (213.46 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 92.9 mm (3.66 in.) |
| Piston Stroke | 86 mm (3.39 in.) |
| Compression ratio | 12:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant capacity | 10.3 l (10.88 US qt | 9.06 UK qt) |
| Kerb Weight | 1730 kg (3814 lbs.) |
| Max. weight | 2275 kg (5015.52 lbs.) |
| Max load | 545 kg (1201.52 lbs.) |
| Trunk (boot) space – minimum | 300 l (10.59 cu. ft.) |
| Trunk (boot) space – maximum | 390 l (13.77 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.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4703 mm (185.16 in.) |
| Width | 1786 mm (70.31 in.) |
| Width including mirrors | 2016 mm (79.37 in.) |
| Height | 1398 mm (55.04 in.) |
| Wheelbase | 2760 mm (108.66 in.) |
| Front track | 1538 mm (60.55 in.) |
| Rear track | 1541 mm (60.67 in.) |
| Front overhang | 862 mm (33.94 in.) |
| Rear overhang | 1081 mm (42.56 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle | 11.15 m (36.58 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission G-TRONIC PLUS |
| Front suspension | Coil spring, Independent multi-link suspension, Transverse stabilizer |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size (Front) | 235/45 R17; 235/40 R18; 235/35 R19 |
| Tires size (Rear) | 235/45 R17; 255/35 R18; 255/30 R19 |
| Wheel rims size (Front) | 7.5J x 17; 8J x 18; 8J x 19; 8.5J x 19 |
| Wheel rims size (Rear) | 7.5J x 17; 8.5J x 18; 8.5J x 19 |
Powertrain & Engine Architecture
The E 300 Cabriolet utilized the M276.820 3.5-liter naturally aspirated V6 engine. This engine was a cornerstone of Mercedes-Benz’s mid-range offerings during this period. It featured a 60-degree V-angle, aluminum alloy block and cylinder heads, and a sophisticated direct injection system. The direct injection system, operating at pressures up to 200 bar, allowed for precise fuel delivery and optimized combustion. The engine employed a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to its responsive nature. The 7G-TRONIC PLUS automatic transmission, a seven-speed unit, was specifically tuned to complement the V6’s power delivery. This transmission offered smooth shifts and a wide range of gear ratios, enhancing both acceleration and fuel economy. The transmission also included a torque converter lock-up clutch to improve efficiency at cruising speeds.
Driving Characteristics
The E 300 V6 Automatic provided a comfortable and refined driving experience. While not overtly sporty, the engine delivered adequate power for confident overtaking and highway cruising. The 7G-TRONIC PLUS transmission contributed to smooth acceleration, although it could occasionally feel hesitant during quick downshifts. Compared to the more powerful E 550, the E 300 lacked the same level of outright performance. However, it offered a more relaxed and fuel-efficient driving experience. The automatic transmission, while convenient, didn’t offer the same level of driver engagement as the available six-speed manual. The gear ratios were optimized for a balance of acceleration and fuel economy, with a relatively tall final drive contributing to lower engine speeds at highway speeds.
Equipment & Trim Levels
The E 300 V6 Cabriolet came standard with a generous array of features, including leather upholstery, automatic climate control, a premium sound system, and a power-operated soft top. Optional extras included features like the AIRMATIC air suspension system, which provided a more comfortable ride, and the COMAND infotainment system with navigation. Interior trim options included various wood veneers and aluminum accents. The standard seats offered good support and comfort, while optional sport seats provided enhanced bolstering. Exterior options included a range of wheel designs and paint colors.
Chassis & Braking
The A207 E-Class Cabriolet featured a robust chassis designed to provide a comfortable ride and good handling. The front suspension utilized a multi-link setup with coil springs and a transverse stabilizer bar, while the rear suspension employed a similar multi-link design. The braking system consisted of ventilated discs on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESP) were standard features, enhancing safety and stability. The steering system was a rack-and-pinion setup with power assistance, offering precise and responsive steering feel.
Market Reception & Comparison
The E 300 V6 Cabriolet was generally well-received by automotive critics. It was praised for its comfortable ride, refined interior, and balanced performance. However, some critics noted that the engine lacked the excitement of the more powerful E 550. Fuel economy was considered respectable for a vehicle of its size and class. Compared to the E 350 CDI diesel variant, the E 300 offered a more responsive engine but at the expense of fuel efficiency. The E 300 also represented a more affordable entry point into the E-Class Cabriolet range compared to the higher-performance models.
Legacy
The M276 engine family, including the 3.5-liter V6 used in the E 300, has proven to be relatively reliable. Common issues are typically related to oil leaks from the valve cover gaskets and occasional problems with the fuel injectors. The 7G-TRONIC PLUS transmission is also generally durable, but regular fluid changes are essential for maintaining its longevity. Today, the A207 E-Class Cabriolet E 300 V6 represents a compelling option in the used luxury convertible market, offering a blend of style, comfort, and reliability. Well-maintained examples continue to command reasonable prices, making them an attractive choice for buyers seeking a sophisticated open-top experience.
