The Mercedes-Benz E 300 BlueTEC V6 (W212 facelift) represents a compelling blend of luxury, efficiency, and performance within the E-Class range. Produced from April 2013 to July 2014, this variant occupied a significant position as a diesel-powered option for buyers seeking a refined and economical grand tourer. It was part of the W212’s facelift generation, benefitting from styling updates and technological enhancements over the pre-facelift models. This specific configuration – the 3.0-liter V6 diesel paired with the 7G-TRONIC PLUS automatic transmission – aimed to deliver a balance between spirited driving and impressive fuel economy, appealing to a broad spectrum of customers in the European market and beyond.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-class |
| Generation | E-class (W212, facelift 2013) |
| Type (Engine) | E 300 BlueTEC V6 (231 Hp) 7G-TRONIC PLUS |
| Start of production | April, 2013 |
| End of production | July, 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (economy) – urban (NEDC) | 6.9-7.2 l/100 km (34.1 – 32.7 US mpg, 40.9 – 39.2 UK mpg, 14.5 – 13.9 km/l) |
| Fuel consumption (economy) – extra urban (NEDC) | 4.7-5.1 l/100 km (50 – 46.1 US mpg, 60.1 – 55.4 UK mpg, 21.3 – 19.6 km/l) |
| Fuel consumption (economy) – combined (NEDC) | 5.5-5.9 l/100 km (42.8 – 39.9 US mpg, 51.4 – 47.9 UK mpg, 18.2 – 16.9 km/l) |
| CO2 emissions (NEDC) | 144-154 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.1 sec |
| Acceleration 0 – 62 mph | 7.1 sec |
| Acceleration 0 – 60 mph | 6.7 sec |
| Maximum speed | 250 km/h (155.34 mph), Electronically limited |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 7.8 kg/Hp, 127.6 Hp/tonne |
| Weight-to-torque ratio | 3.4 kg/Nm, 298.3 Nm/tonne |
| Power | 231 Hp @ 3800 rpm |
| Torque | 540 Nm @ 1550-2400 rpm (398.28 lb.-ft. @ 1550-2400 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 642.852 |
| Engine displacement | 2987 cm3 (182.28 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 92 mm (3.62 in.) |
| Compression ratio | 15.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Coolant | 10.8 l (11.41 US qt | 9.5 UK qt) |
| Kerb Weight | 1810 kg (3990.37 lbs.) |
| Max. weight | 2440 kg (5379.28 lbs.) |
| Max load | 630 kg (1388.91 lbs.) |
| Trunk (boot) space – minimum | 490 l (17.3 cu. ft.) |
| Fuel tank capacity | 59 l (15.59 US gal | 12.98 UK gal) |
| AdBlue tank | 25.5 l (6.74 US gal | 5.61 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 2100 kg (4629.71 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 84 kg (185.19 lbs.) |
| Length | 4879 mm (192.09 in.) |
| Width | 1854 mm (72.99 in.) |
| Width including mirrors | 2071 mm (81.54 in.) |
| Height | 1474 mm (58.03 in.) |
| Wheelbase | 2874 mm (113.15 in.) |
| Front track | 1598 mm (62.91 in.) |
| Rear (Back) track | 1614 mm (63.54 in.) |
| Front overhang | 849 mm (33.43 in.) |
| Rear overhang | 1156 mm (45.51 in.) |
| Drag coefficient (Cd) | 0.27 |
| Minimum turning circle (turning diameter) | 11.28 m (37.01 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 PLUS |
| Front suspension | Coil spring, Independent multi-link suspension, Transverse stabilizer, Air Suspension – Optional |
| Rear suspension | Independent multi-link spring suspension with stabilizer, Air Suspension – Optional |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
Powertrain & Engine Architecture
The heart of the E 300 BlueTEC V6 is the OM 642.852 3.0-liter V6 diesel engine. This engine is a sophisticated design featuring a common-rail direct fuel injection system, a variable geometry turbocharger, and an intercooler. The common-rail system, operating at extremely high pressures, ensures precise fuel delivery for optimal combustion and reduced emissions. The V6 configuration provides inherent smoothness and balance, contributing to the refined driving experience. The engine produces 231 horsepower at 3800 rpm and a substantial 540 Nm (398 lb-ft) of torque between 1550 and 2400 rpm. This broad torque curve is a hallmark of diesel engines, providing strong pulling power across a wide range of engine speeds. The 7G-TRONIC PLUS automatic transmission, a seven-speed unit, is known for its smooth and quick shifts. It features a torque converter lock-up clutch that engages at higher speeds to improve fuel efficiency. The transmission is electronically controlled and adapts its shift points based on driving conditions and driver input.
Driving Characteristics
The E 300 BlueTEC V6 offers a distinctly different driving experience compared to its gasoline-powered siblings or even higher-performance diesel variants. While it doesn’t possess the outright acceleration of the E 500 or the sportiness of the AMG models, it delivers a relaxed and effortless cruising experience. The abundant torque allows for brisk acceleration in everyday driving situations, and the 7G-TRONIC PLUS transmission seamlessly manages gear changes. The gear ratios are tuned for fuel efficiency and comfortable cruising, rather than outright performance. Compared to a manual transmission version (not commonly offered in this configuration), the automatic provides greater convenience and ease of use, particularly in urban traffic. However, some drivers may find the automatic slightly less engaging than a manual.
Equipment & Trim Levels
The E 300 BlueTEC V6 typically came well-equipped, reflecting its position as a premium model. Standard features often included leather upholstery, automatic climate control, a high-quality audio system, and a suite of safety features such as ABS, ESP, and multiple airbags. Optional extras could include features like a panoramic sunroof, advanced navigation system, adaptive cruise control, and premium sound systems. Interior trim levels varied, with options for wood or aluminum accents. The overall interior ambiance was one of understated luxury and refinement.
Chassis & Braking
The W212 E-Class featured a sophisticated chassis design with a multi-link independent suspension at all four corners. This suspension setup provides a comfortable ride while maintaining good handling characteristics. Many E 300 BlueTEC V6 models were equipped with optional air suspension, which further enhanced ride comfort and allowed for adjustable ride height. The braking system consisted of ventilated discs on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) and ESP (Electronic Stability Program) were standard features, enhancing safety and control.
Market Reception & Comparison
The E 300 BlueTEC V6 was generally well-received by automotive critics. It was praised for its fuel efficiency, refined engine, and comfortable ride. However, some critics noted that it lacked the sporty character of some of its competitors. Compared to the E 250 CDI (a four-cylinder diesel), the E 300 BlueTEC V6 offered significantly more power and refinement, but at a higher price point. Compared to the gasoline-powered E 350, the E 300 BlueTEC V6 offered superior fuel economy and torque, but slightly less outright acceleration.
Legacy
The OM 642 engine family, including the OM 642.852 found in the E 300 BlueTEC V6, is known for its durability and reliability. With proper maintenance, these engines can accumulate high mileage without major issues. The 7G-TRONIC PLUS transmission is also generally reliable, although regular fluid changes are essential. In the used car market, the E 300 BlueTEC V6 remains a popular choice for buyers seeking a comfortable, efficient, and well-equipped luxury sedan. Its combination of performance, economy, and refinement continues to make it a compelling option, even years after its production ended.
