The Mercedes-Benz E-Class T-modell (S212) E 300 CDI BlueEFFICIENCY V6, equipped with the 7G-TRONIC PLUS automatic transmission, was a diesel-powered station wagon produced between November 2011 and January 2013. Positioned as a premium offering within the S212 E-Class range, it blended practicality with the luxury and performance expected of the Mercedes-Benz brand. This variant aimed to provide a refined and efficient touring experience, appealing to buyers needing space and long-distance comfort. It sat above the E 250 CDI in terms of power and torque, but below the more performance-oriented E 350 CDI.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class T-modell (S212) |
| Type | E 300 CDI BlueEFFICIENCY V6 (231 Hp) 7G-TRONIC PLUS |
| Start of production | November, 2011 |
| End of production | January, 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 7.5-7.6 l/100 km (31.4 – 30.9 US mpg) |
| Fuel consumption (extra urban) | 5.4-5.7 l/100 km (43.6 – 41.3 US mpg) |
| Fuel consumption (combined) | 6.2-6.4 l/100 km (37.9 – 36.8 US mpg) |
| CO2 emissions | 163-169 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.2 sec |
| Acceleration 0 – 62 mph | 7.2 sec |
| Acceleration 0 – 60 mph | 6.8 sec |
| Maximum speed | 240 km/h (149.13 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 8.1 kg/Hp |
| Weight-to-torque ratio | 3.4 kg/Nm |
| Power | 231 Hp @ 3800 rpm |
| Torque | 540 Nm @ 1600-2400 rpm (398.28 lb.-ft. @ 1600-2400 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 642.850 |
| 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 capacity | 12.3 l (13 US qt | 10.82 UK qt) |
| Kerb Weight | 1860 kg (4100.6 lbs.) |
| Max. weight | 2510 kg (5533.6 lbs.) |
| Max load | 650 kg (1433 lbs.) |
| Trunk (boot) space – minimum | 695 l (24.54 cu. ft.) |
| Trunk (boot) space – maximum | 1950 l (68.86 cu. ft.) |
| Fuel tank capacity | 80 l (21.13 US gal | 17.6 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 | 4895 mm (192.72 in.) |
| Width | 1854 mm (72.99 in.) |
| Width including mirrors | 2071 mm (81.54 in.) |
| Height | 1515 mm (59.65 in.) |
| Wheelbase | 2874 mm (113.15 in.) |
| Front track | 1583 mm (62.32 in.) |
| Rear track | 1604 mm (63.15 in.) |
| Front overhang | 841 mm (33.11 in.) |
| Rear overhang | 1180 mm (46.46 in.) |
| Drag coefficient (Cd) | 0.30 |
| Minimum turning circle | 11.25 m (36.91 ft.) |
| Drivetrain | Rear wheel drive |
| Number of gears | 7 |
| Gearbox type | Automatic transmission G-TRONIC PLUS |
| Front suspension | Coil spring, Independent multi-link suspension, Transverse stabilizer, Air Suspension – Optional |
| Rear suspension | Independent multi-link suspension, Air suspension, Transverse stabilizer |
| Front brakes | Ventilated discs, 322 mm |
| Rear brakes | Ventilated discs, 300 mm |
Powertrain & Engine Architecture
The E 300 CDI BlueEFFICIENCY V6 utilized the OM 642.850 3.0-liter V6 diesel engine. This engine was a mainstay in many Mercedes-Benz models, known for its robust construction and refined operation. It featured a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The engine employed a single turbocharger with an intercooler to boost power and efficiency. The valvetrain was a double overhead camshaft (DOHC) design with four valves per cylinder, contributing to its strong torque output. The 7G-TRONIC PLUS automatic transmission, a seven-speed unit, was specifically tuned to complement the engine’s characteristics, offering smooth and efficient gear changes. This transmission featured a torque converter lock-up clutch to minimize slippage and improve fuel economy.
Driving Characteristics
The E 300 CDI BlueEFFICIENCY V6 offered a compelling blend of performance and economy. With 231 horsepower and 540 Nm (398 lb-ft) of torque, it provided ample power for both relaxed cruising and brisk acceleration. The 7G-TRONIC PLUS transmission was well-matched to the engine, providing seamless shifts and contributing to a comfortable driving experience. Compared to the E 250 CDI, the E 300 CDI offered noticeably more power and quicker acceleration. While not as sporty as the E 350 CDI, it provided a more refined and relaxed driving experience, prioritizing comfort and efficiency. The gear ratios were optimized for highway cruising, allowing for low engine speeds at higher velocities, further enhancing fuel economy.
Equipment & Trim Levels
The E 300 CDI BlueEFFICIENCY V6 T-modell came standard with a comprehensive array of features, reflecting its premium positioning. These included automatic climate control, a high-quality audio system, leather upholstery, and a multi-function steering wheel. Optional extras included features like a panoramic sunroof, advanced navigation system, premium sound system, and various driver assistance systems such as lane keeping assist and blind spot monitoring. Interior trim options allowed for customization, with choices in wood veneers and aluminum accents. The standard seats offered excellent support and comfort, and could be upgraded with features like heating and ventilation.
Chassis & Braking
The S212 E-Class T-modell featured a sophisticated chassis design. The front suspension utilized a multi-link independent setup with coil springs and a stabilizer bar, while the rear suspension employed a multi-link independent setup with air suspension as an optional upgrade. The air suspension provided adjustable ride height and damping, enhancing both comfort and handling. Braking duties were handled by ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESP) were standard features, enhancing safety and control. Steering was via a hydraulic power steering system, offering precise and responsive handling.
Market Reception & Comparison
The E 300 CDI BlueEFFICIENCY V6 T-modell was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and spacious interior. The combination of performance and fuel economy was also a strong point. Compared to other diesel station wagons in its class, such as the Audi A6 Avant and BMW 5 Series Touring, the E 300 CDI offered a compelling package of luxury, performance, and practicality. Fuel economy was competitive, and the engine proved to be relatively reliable. However, some critics noted that the ride could be slightly firm, especially with the sport suspension option.
Legacy
The OM 642 engine family, including the OM 642.850 found in the E 300 CDI, has a reputation for durability and longevity. With proper maintenance, these engines can reliably exceed 200,000 miles. The 7G-TRONIC PLUS transmission is also generally considered to be a robust unit. In the used car market, the E 300 CDI BlueEFFICIENCY V6 T-modell remains a desirable option for buyers seeking a spacious, comfortable, and efficient station wagon. Its combination of luxury, performance, and practicality continues to appeal to a wide range of buyers. However, potential buyers should be aware of the potential for diesel particulate filter (DPF) issues, particularly on vehicles that have primarily been used for short trips.
