The Mercedes-Benz E-Class Coupe (C207) facelift, specifically the E 220d variant equipped with the 9G-TRONIC automatic transmission, represents a compelling blend of luxury, efficiency, and performance within the mid-size coupe segment. Produced from 2015 to 2016, this model occupied a significant position in the E-Class lineup, offering a diesel-powered alternative to the gasoline engines. It was positioned as a more economical and torque-rich option, appealing to drivers prioritizing fuel efficiency and comfortable long-distance cruising. The C207 generation, itself a successor to the CLK-Class, aimed to provide a more sophisticated and sporty experience than its predecessor, and the E 220d 9G-TRONIC embodied this ethos.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class Coupe (C207, facelift 2013) |
| Type (Engine) | E 220d (170 Hp) 9G-TRONIC |
| Start of production | 2015 |
| End of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 5.4-5.6 l/100 km (43.6 – 42 US mpg) |
| Fuel consumption (extra urban) | 3.9-4.2 l/100 km (60.3 – 56 US mpg) |
| Fuel consumption (combined) | 4.5-4.7 l/100 km (52.3 – 50 US mpg) |
| CO2 emissions | 115-122 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.1 sec |
| Acceleration 0 – 62 mph | 8.1 sec |
| Acceleration 0 – 60 mph | 7.7 sec |
| Maximum speed | 237 km/h (147.26 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 9.8 kg/Hp |
| Weight-to-torque ratio | 4.2 kg/Nm |
| Power | 170 Hp @ 3000-4200 rpm |
| Torque | 400 Nm @ 1400-2800 rpm (295.02 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 651.911 |
| Engine displacement | 2143 cm3 (130.77 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 99 mm (3.9 in.) |
| Compression ratio | 16.2:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | BiTurbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 1660 kg (3659.67 lbs.) |
| Max. weight | 2205 kg (4861.19 lbs.) |
| Max load | 545 kg (1201.52 lbs.) |
| Trunk (boot) space (minimum) | 400 l (14.13 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Permitted trailer load (braked) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load (unbraked) | 750 kg (1653.47 lbs.) |
| Length | 4703 mm (185.16 in.) |
| Width | 1786 mm (70.31 in.) |
| Width (including mirrors) | 2016 mm (79.37 in.) |
| Height | 1397 mm (55 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.) |
| Minimum turning circle | 11.15 m (36.58 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 9 |
| Gearbox type | Automatic transmission G-TRONIC |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
Powertrain & Engine Architecture
The heart of the E 220d is the OM 651.911, a 2.1-liter inline-four diesel engine. This engine is a highly refined unit, featuring common-rail direct injection and a sophisticated twin-turbocharger system. The twin-turbo setup, consisting of a smaller turbo for immediate response and a larger turbo for peak power, contributes to the engine’s broad torque curve. Peak torque of 400 Nm (295 lb-ft) is available from a low 1400 rpm, providing strong acceleration in everyday driving situations. The engine also incorporates an intercooler to further enhance performance. The 9G-TRONIC automatic transmission, a nine-speed unit, was a key technological advancement. Its close gear ratios optimize engine efficiency and provide smooth, almost imperceptible gear changes. This transmission was designed to improve both fuel economy and driving comfort compared to the previous seven-speed automatic.
Driving Characteristics
The E 220d 9G-TRONIC offers a refined and comfortable driving experience. While not a performance-oriented variant, the 170 horsepower and 400 Nm of torque provide adequate power for confident overtaking and highway cruising. The 9G-TRONIC transmission plays a crucial role in maximizing the engine’s efficiency, keeping the engine within its optimal operating range. Compared to the more powerful E 350 or the E 400 variants, the E 220d prioritizes fuel economy and relaxed driving. The manual transmission options, when available on other E-Class models, offered a more engaging driving experience, but at the expense of fuel efficiency. The E 220d’s gear ratios are tuned for efficiency, resulting in a slightly less responsive feel compared to sportier configurations.
Equipment & Trim Levels
The E 220d 9G-TRONIC typically came well-equipped, reflecting the Mercedes-Benz commitment to luxury. Standard features included automatic climate control, a high-quality audio system, leather upholstery, and a suite of safety features such as ABS, ESP, and multiple airbags. Optional extras included features like a panoramic sunroof, advanced navigation systems, premium sound systems (Burmester), and driver assistance packages (blind spot monitoring, lane keeping assist). Interior trim options varied, allowing customers to personalize the cabin with different wood veneers and metallic accents. The facelifted C207 models also benefited from updated infotainment systems and interior design elements.
Chassis & Braking
The E 220d Coupe utilized an independent multi-link suspension system at both the front and rear axles, providing a comfortable and controlled ride. The suspension was tuned to balance comfort and handling, offering a good compromise for everyday driving. Braking duties were handled by ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) and ESP (Electronic Stability Program) were standard features, enhancing safety and stability. The steering system was a rack-and-pinion setup with electric power assistance, providing precise and responsive steering feel.
Market Reception & Comparison
The E 220d 9G-TRONIC was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined powertrain. Compared to other trims in the E-Class lineup, the E 220d offered a more affordable entry point into the E-Class range while still delivering a luxurious experience. Its fuel economy was significantly better than the gasoline-powered variants, making it an attractive option for drivers covering long distances. Reliability reports generally indicate good long-term reliability, although diesel particulate filter (DPF) maintenance is a consideration for owners.
Legacy
The E 220d 9G-TRONIC represents a significant step forward in diesel engine technology and automatic transmission design. The OM 651 engine family proved to be durable and reliable, and the 9G-TRONIC transmission set a new standard for smoothness and efficiency. In the used car market, these models continue to be sought after for their blend of luxury, fuel economy, and practicality. However, potential buyers should be aware of the maintenance requirements associated with diesel engines, particularly the DPF and potential issues with the fuel injection system. Overall, the E 220d 9G-TRONIC remains a compelling option for those seeking a refined and efficient mid-size coupe.
