The Mercedes-Benz E 300 CDI BlueEFFICIENCY T-modell (S212), produced from July 2010 to November 2011, represents a compelling blend of practicality, performance, and efficiency within the E-Class range. Positioned as a mid-to-upper tier offering in the S212 wagon lineup, it catered to buyers seeking a refined estate car with strong diesel power and the convenience of an automatic transmission. This variant utilized the OM642.850 V6 diesel engine paired with the 7G-TRONIC seven-speed automatic gearbox, offering a balance between spirited driving and long-distance comfort. The S212 generation E-Class T-modell, built on the W212 platform, aimed to elevate the estate car experience with increased space, improved technology, and a more luxurious interior compared to its predecessor.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-class |
| Generation | E-class T-modell (S212) |
| Type | E 300 CDI BlueEFFICIENCY V6 (231 Hp) 7G-TRONIC |
| Start of production | July, 2010 |
| End of production | November, 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 8.9-9.4 l/100 km (26.4 – 25 US mpg) |
| Fuel consumption (extra urban) | 5.9-6.1 l/100 km (39.9 – 38.6 US mpg) |
| Fuel consumption (combined) | 7-7.3 l/100 km (33.6 – 32.2 US mpg) |
| CO2 emissions | 185-192 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 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 | 1850 kg (4078.55 lbs.) |
| Max. weight | 2500 kg (5511.56 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 | 1512 mm (59.53 in.) |
| Wheelbase | 2874 mm (113.15 in.) |
| Front track | 1585 mm (62.4 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 Architecture | 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, 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 heart of the E 300 CDI BlueEFFICIENCY T-modell is the OM642.850 3.0-liter V6 diesel engine. This engine, a mainstay of Mercedes-Benz’s diesel offerings, features a robust cast iron block and aluminum cylinder heads. It employs a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A variable geometry turbocharger with an intercooler further enhances performance and efficiency. The engine produces 231 horsepower at 3800 rpm and a substantial 540 Nm (398 lb-ft) of torque between 1600 and 2400 rpm. This broad torque curve is a hallmark of the OM642, providing strong pulling power across a wide range of engine speeds. The 7G-TRONIC seven-speed automatic transmission is a key component, offering smooth and responsive gear changes. It features a torque converter lock-up clutch to improve fuel economy at cruising speeds.
Driving Characteristics
The combination of the V6 diesel and 7G-TRONIC transmission results in a refined and capable driving experience. Acceleration to 60 mph takes approximately 6.8 seconds, and the car feels strong and composed even when fully loaded. The 7G-TRONIC transmission is well-tuned for both relaxed cruising and more spirited driving, offering manual shift capability for greater control. Compared to the E 250 CDI variants, the E 300 CDI offers noticeably more power and torque, resulting in quicker acceleration and more effortless overtaking. While not as sporty as the gasoline-powered E 350, the E 300 CDI provides ample performance for most drivers. The automatic transmission, while convenient, doesn’t offer the same level of driver engagement as a manual gearbox.
Equipment & Trim Levels
The E 300 CDI BlueEFFICIENCY T-modell typically came well-equipped as standard. Features included automatic climate control, power windows and mirrors, a multi-function steering wheel, and a high-quality audio system. Upholstery was typically a combination of fabric and leatherette, with full leather options available. Optional extras included a sunroof, navigation system, premium sound system, parking sensors, and adaptive cruise control. The “BlueEFFICIENCY” designation indicated the inclusion of fuel-saving technologies such as start-stop functionality and optimized aerodynamics.
Chassis & Braking
The S212 E-Class T-modell features a sophisticated suspension system designed to balance comfort and handling. The front suspension utilizes a multi-link setup with coil springs, while the rear suspension employs an independent multi-link design. Air suspension was available as an option, providing an even smoother ride and the ability to adjust ride height. Braking duties are handled by ventilated disc brakes on all four wheels. Anti-lock braking system (ABS) and electronic stability control (ESP) are standard features, enhancing safety and control.
Market Reception & Comparison
The E 300 CDI BlueEFFICIENCY T-modell was generally well-received by automotive critics. It was praised for its powerful and efficient engine, comfortable ride, and spacious interior. Compared to other E-Class variants, the E 300 CDI offered a compelling balance of performance and economy. Fuel economy figures of around 33 mpg combined were impressive for a vehicle of its size and capability. Reliability was generally good, although diesel particulate filter (DPF) issues could occur with infrequent long-distance driving.
Legacy
The OM642 engine, found in the E 300 CDI, is known for its durability and longevity when properly maintained. The 7G-TRONIC transmission is also generally reliable, although fluid changes are crucial for long-term health. On the used car market, the E 300 CDI T-modell remains a popular choice for buyers seeking a practical and refined estate car. However, potential buyers should be aware of the potential for DPF issues and the importance of regular maintenance. The S212 E-Class T-modell, and particularly the E 300 CDI variant, represents a high point in Mercedes-Benz’s estate car offerings, combining luxury, performance, and practicality in a compelling package.
