Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class Coupe (C207) |
| Type | E 350 BlueEFFICIENCY V6 (306 Hp) 7G-TRONIC PLUS |
| Start of production | April, 2011 |
| End of production | March, 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 9.7-9.8 l/100 km (24.2 – 24 US mpg) |
| Fuel consumption (extra urban) | 5.4-5.6 l/100 km (43.6 – 42 US mpg) |
| Fuel consumption (combined) | 7-7.2 l/100 km (33.6 – 32.7 US mpg) |
| CO2 emissions | 164-167 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6.2 sec |
| Acceleration 0 – 62 mph | 6.2 sec |
| Acceleration 0 – 60 mph | 5.9 sec |
| Maximum speed | 250 km/h (155.34 mph) – Electronically limited |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 5.2 kg/Hp |
| Weight-to-torque ratio | 4.3 kg/Nm |
| Power | 306 Hp @ 6500 rpm |
| Torque | 370 Nm @ 3500-5250 rpm (272.9 lb.-ft. @ 3500-5250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 276.957 |
| 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 | 12.2:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated |
| Valvetrain | DOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant capacity | 9.6 l (10.14 US qt | 8.45 UK qt) |
| Kerb Weight | 1585 kg (3494.33 lbs.) |
| Max. weight | 2130 kg (4695.85 lbs.) |
| Max load | 545 kg (1201.52 lbs.) |
| Trunk (boot) space (minimum) | 450 l (15.89 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load (with brakes) | 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 | 1397 mm (55 in.) |
| Wheelbase | 2760 mm (108.66 in.) |
| Front track | 1538 mm (60.55 in.) |
| Rear track | 1544 mm (60.79 in.) |
| Front overhang | 855 mm (33.66 in.) |
| Rear overhang | 1083 mm (42.64 in.) |
| Drag coefficient (Cd) | 0.26 |
| Minimum turning circle | 10.95 m (35.93 ft.) |
| Drivetrain | Rear wheel drive |
| Gearbox | 7 gears, automatic transmission 7G-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, 322 mm |
| Rear brakes | Ventilated discs, 300 mm |
The Mercedes-Benz E-Class Coupe (C207) E 350 BlueEFFICIENCY, produced from April 2011 to March 2013, represented a sophisticated blend of performance and efficiency within the broader E-Class Coupe range. Positioned as a mid-range offering, it slotted between the entry-level E 250 and the more powerful E 550 models. Built on the W207 platform, the C207 coupe distinguished itself with its elegant styling and focus on a more dynamic driving experience compared to the E-Class sedan. This variant aimed to appeal to buyers seeking a luxurious two-door coupe with a capable engine and refined transmission.
Powertrain & Engine Architecture
The heart of the E 350 BlueEFFICIENCY was the M276.957 3.5-liter naturally aspirated V6 engine. This engine was a key component of Mercedes-Benz’s efforts to improve fuel economy without sacrificing performance. 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 metering and improved combustion efficiency. The engine also incorporated variable valve timing (VVT) on both intake and exhaust camshafts, further optimizing performance and fuel economy. The 7G-TRONIC PLUS seven-speed automatic transmission was standard, offering smooth and responsive shifts. This transmission was known for its wide gear ratio spread and ability to adapt to driving conditions, contributing to both performance and efficiency. The ‘BlueEFFICIENCY’ designation indicated the inclusion of features like start-stop functionality, reducing idling fuel consumption.
Driving Characteristics
The E 350 BlueEFFICIENCY Coupe delivered a refined and comfortable driving experience. While not as overtly sporty as some of its competitors, the 306 horsepower and 273 lb-ft of torque provided ample power for both highway cruising and spirited driving. The 7G-TRONIC PLUS transmission was well-matched to the engine, providing seamless gear changes and contributing to a relaxed driving experience. Acceleration from 0 to 60 mph took approximately 5.9 seconds. Compared to the E 250, the E 350 offered a noticeable increase in performance, while remaining more fuel-efficient and less expensive than the range-topping E 550. The rear-wheel-drive configuration provided a balanced feel, although it lacked the all-weather capability of the 4MATIC all-wheel-drive system available on other E-Class models.
Equipment & Trim Levels
The E 350 BlueEFFICIENCY Coupe came standard with a generous array of features, including leather upholstery, dual-zone automatic climate control, a premium sound system, and a power-adjustable driver’s seat. Optional extras included a panoramic sunroof, heated and ventilated front seats, a navigation system, and advanced driver-assistance systems such as lane-keeping assist and blind-spot monitoring. Interior trim options ranged from wood veneers to aluminum accents, allowing buyers to personalize the cabin to their preferences. The standard dashboard configuration featured a central display screen and analog gauges, providing a classic Mercedes-Benz aesthetic.
Chassis & Braking
The C207 E-Class Coupe featured a sophisticated chassis designed to balance comfort and handling. The front suspension utilized a multi-link setup with coil springs and a stabilizer bar, while the rear suspension employed a similar multi-link design. This configuration provided a smooth and controlled ride. The E 350 BlueEFFICIENCY was equipped with ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESC) were standard safety features. The steering system was a hydraulic power-assisted rack-and-pinion setup, offering precise and responsive steering feel.
Market Reception & Comparison
The E 350 BlueEFFICIENCY Coupe was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and luxurious interior. However, some reviewers noted that the styling was conservative compared to some of its rivals. In terms of fuel economy, the E 350 BlueEFFICIENCY offered a competitive advantage over the E 550, while providing more performance than the E 250. Reliability was generally good, although some owners reported minor issues with the electronic systems. Compared to BMW’s 3 Series Coupe and Audi’s A5 Coupe, the E 350 offered a more luxurious and comfortable experience, but perhaps lacked the same level of sporting agility.
Legacy
The M276 engine family, including the version found in the E 350 BlueEFFICIENCY, proved to be a reliable and durable powertrain. While not without its potential maintenance needs (such as occasional oil leaks or timing chain wear), the engine generally held up well over time. Today, the C207 E 350 Coupe represents a compelling value on the used car market, offering a blend of luxury, performance, and reliability at a relatively affordable price point. Its elegant styling and comfortable interior continue to appeal to buyers seeking a sophisticated two-door coupe.
