The Mercedes-Benz E-Class Cabriolet (A207) E 500 V8, produced from March 2010 to August 2011, represented the pinnacle of performance and luxury within the A207 convertible range. Positioned as the flagship model, it offered a substantial step up in power and refinement compared to the E350 and E250 variants. This model combined a naturally aspirated 5.5-liter V8 engine with Mercedes-Benz’s 7G-TRONIC seven-speed automatic transmission, delivering a grand touring experience focused on effortless power and open-air enjoyment. The A207 generation itself was a significant evolution of the E-Class, building upon the W212 sedan platform with a focus on sophisticated styling and advanced technology.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class Cabrio (A207) |
| Type (Engine) | E 500 V8 (388 Hp) 7G-TRONIC |
| Start of production | March, 2010 |
| End of production | August, 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (economy) – urban (NEDC) | 15.9 l/100 km (14.8 US mpg, 17.8 UK mpg, 6.3 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 8.2 l/100 km (28.7 US mpg, 34.4 UK mpg, 12.2 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 11 l/100 km (21.4 US mpg, 25.7 UK mpg, 9.1 km/l) |
| CO2 emissions (NEDC) | 257 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.3 sec |
| Acceleration 0 – 62 mph | 5.3 sec |
| Acceleration 0 – 60 mph | 5 sec |
| Maximum speed | 250 km/h (155.34 mph) – Electronically limited |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 4.5 kg/Hp, 219.8 Hp/tonne |
| Weight-to-torque ratio | 3.3 kg/Nm, 300.3 Nm/tonne |
| Power | 388 Hp @ 6000 rpm |
| Power per litre | 71 Hp/l |
| Torque | 530 Nm @ 2800-4800 rpm (390.91 lb.-ft. @ 2800-4800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 273.966 |
| Engine displacement | 5461 cm3 (333.25 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 98 mm (3.86 in.) |
| Piston Stroke | 90.5 mm (3.56 in.) |
| Compression ratio | 10.7:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 8.5 l (8.98 US qt | 7.48 UK qt) |
| Kerb Weight | 1765 kg (3891.16 lbs.) |
| Max. weight | 2295 kg (5059.61 lbs.) |
| Max load | 530 kg (1168.45 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 | 4698 mm (184.96 in.) |
| Width | 1786 mm (70.31 in.) |
| Width including mirrors | 2015 mm (79.33 in.) |
| Height | 1398 mm (55.04 in.) |
| Wheelbase | 2760 mm (108.66 in.) |
| Front track | 1538 mm (60.55 in.) |
| Rear (Back) track | 1544 mm (60.79 in.) |
| Front overhang | 855 mm (33.66 in.) |
| Rear overhang | 1083 mm (42.64 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle (turning diameter) | 11 m (36.09 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission G-TRONIC |
| Front suspension | Coil spring, Independent multi-link suspension, Transverse stabilizer |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs, 344 mm |
| Rear brakes | Ventilated discs, 300 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | Front wheel tires: 235/40 R18; 235/35 R19 Rear wheel tires: 255/35 R18; 255/30 R19 |
| Wheel rims size | Front wheel rims: 8J x 18; 8J x 19; 8.5J x 19 Rear wheel rims: 8.5J x 18; 8.5J x 19 |
Powertrain & Engine Architecture
The heart of the E 500 V8 Cabriolet is the M273.966 5.5-liter naturally aspirated V8 engine. This engine, a mainstay of Mercedes-Benz’s performance lineup during this period, features a three-valve per cylinder (two intake, one exhaust) design and a relatively high 10.7:1 compression ratio. Fuel delivery is handled by a multi-port fuel injection system. The engine produces 388 horsepower at 6000 rpm and a robust 530 Nm (390.91 lb-ft) of torque between 2800 and 4800 rpm. The 7G-TRONIC seven-speed automatic transmission, a sophisticated unit for its time, provides smooth and responsive shifts. It features a torque converter lock-up clutch to improve efficiency and a wide range of gear ratios optimized for both performance and fuel economy. The transmission was known for its adaptability, offering comfort and sport modes to suit different driving styles.
Driving Characteristics
The E 500 V8 Cabriolet delivers a distinctly grand touring experience. The substantial torque output of the V8 engine provides effortless acceleration in virtually any gear. The 0-60 mph sprint takes approximately 5 seconds, and the electronically limited top speed of 155 mph is easily attainable. While not as overtly sporty as some competitors, the E 500 offers a refined and comfortable ride, even with the larger wheel and tire options. The 7G-TRONIC transmission contributes to this smoothness, seamlessly shifting through the gears. Compared to the E350 Cabriolet, the E 500 offers a significant performance advantage, with noticeably quicker acceleration and a more authoritative feel. The difference in driving experience is substantial, justifying the price premium for those seeking maximum performance.
Equipment & Trim Levels
As the range-topping model, the E 500 V8 Cabriolet came standard with a comprehensive list of features. These included leather upholstery, wood trim, a premium sound system, automatic climate control, and a power-operated soft top. Optional extras included features like the Airscarf system (which directs warm air onto the occupants’ necks), active body control suspension, and various driver assistance systems. The interior design was characterized by Mercedes-Benz’s signature blend of luxury and technology, with a focus on high-quality materials and intuitive controls.
Chassis & Braking
The A207 E-Class Cabriolet utilized a robust chassis with a multi-link suspension system at both the front and rear. This setup provided a good balance between ride comfort and handling precision. The E 500 V8 was equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Front brake rotors measured 344mm, while the rear rotors were 300mm. Anti-lock braking system (ABS) was standard, enhancing safety and control during emergency braking situations.
Market Reception & Comparison
The E 500 V8 Cabriolet was generally well-received by automotive critics, who praised its powerful engine, luxurious interior, and refined driving experience. However, its fuel economy was often cited as a drawback, particularly compared to the more fuel-efficient E350 and E250 models. In terms of reliability, the M273 engine is generally considered to be robust, but preventative maintenance, particularly regarding the valve stem seals (prone to oil leaks), is crucial. Compared to rivals like the BMW 6 Series Convertible and the Lexus SC 430, the E 500 offered a unique blend of performance, luxury, and technology.
Legacy
Today, the A207 E 500 V8 Cabriolet remains a desirable vehicle for enthusiasts seeking a luxurious and powerful open-top experience. While not as common as the lower-trim models, well-maintained examples command a premium in the used car market. The M273 engine, while thirsty, is known for its durability and relatively straightforward maintenance. The 7G-TRONIC transmission has also proven to be reliable, provided it has been properly serviced. The E 500 V8 Cabriolet represents a high point in Mercedes-Benz’s convertible history, offering a compelling combination of performance, luxury, and style.
