The Mercedes-Benz E-Class T-modell (S212) E 300 BlueEFFICIENCY V6 4MATIC, produced from August 2011 to January 2013, represents a compelling blend of practicality, performance, and luxury within the E-Class wagon lineup. Positioned as a mid-range offering, it catered to buyers seeking a more powerful and capable estate car than the base models, without the outright performance focus of the E 63 AMG. This variant combined a naturally aspirated 3.5-liter V6 engine with a 7G-TRONIC PLUS automatic transmission and Mercedes-Benz’s 4MATIC all-wheel-drive system, offering a refined driving experience and enhanced all-weather capability. It was part of the W212 series, known for its sophisticated engineering and comfortable ride.
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class T-modell (S212) |
| Type | E 300 BlueEFFICIENCY V6 (252 Hp) 4MATIC 7G-TRONIC PLUS |
| Start of production | August, 2011 |
| End of production | January, 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 10.3 l/100 km (22.8 US mpg) |
| Fuel consumption (extra urban) | 6.4-6.6 l/100 km (36.8 – 35.6 US mpg) |
| Fuel consumption (combined) | 7.8-7.9 l/100 km (30.2 – 29.8 US mpg) |
| CO2 emissions | 184-186 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.8 sec |
| Acceleration 0 – 60 mph | 7.4 sec |
| Maximum speed | 243 km/h (150.99 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 7.3 kg/Hp |
| Weight-to-torque ratio | 5.4 kg/Nm |
| Power | 252 Hp @ 6500 rpm |
| Torque | 340 Nm @ 3500-4500 rpm (250.77 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 276.952 |
| 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 | 12:1 |
| 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 | 1845 kg (4067.53 lbs.) |
| Max. weight | 2510 kg (5533.6 lbs.) |
| Max load | 665 kg (1466.07 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 Architecture | All wheel drive (4×4) |
| Number of gears | 7 |
| Gearbox type | Automatic transmission G-TRONIC PLUS |
| Front suspension | Coil spring, Independent multi-link suspension, Transverse stabilizer |
| 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 BlueEFFICIENCY is the M 276.952 3.5-liter V6 engine. This engine is a naturally aspirated powerplant featuring direct fuel injection and a double overhead camshaft (DOHC) valvetrain. The direct injection system, operating at pressures up to 200 bar, ensures precise fuel delivery for optimal combustion efficiency and power output. The engine’s 60-degree V-angle contributes to a smooth and balanced operation. The 7G-TRONIC PLUS automatic transmission, a seven-speed unit, provides seamless gear changes and contributes to both performance and fuel economy. This transmission features a torque converter lock-up clutch that engages in most driving situations, minimizing slippage and improving efficiency. The 4MATIC all-wheel-drive system utilizes a multi-plate clutch to distribute torque between the front and rear axles, providing enhanced traction and stability, particularly in adverse weather conditions.
Driving Characteristics
The E 300 4MATIC offers a refined and comfortable driving experience. While not as overtly sporty as some of its E-Class siblings, the 252 horsepower and 340 Nm (250.77 lb-ft) of torque provide ample power for everyday driving and confident highway cruising. Acceleration from 0 to 60 mph takes approximately 7.4 seconds. The 7G-TRONIC PLUS transmission is well-tuned, offering smooth and responsive shifts. Compared to the manual transmission options available in other E-Class models, the automatic prioritizes comfort and ease of use. The 4MATIC system provides a secure and planted feel, especially on slippery surfaces. The gear ratios are optimized for a balance of acceleration and fuel efficiency, with a relatively tall final drive contributing to lower engine speeds at highway speeds.
Equipment & Trim Levels
The E 300 BlueEFFICIENCY 4MATIC typically came well-equipped as standard. Features included automatic climate control, power-adjustable front seats, a multi-function steering wheel, and an audio system with a color display. Leather upholstery was standard, along with wood trim accents. Optional extras included a panoramic sunroof, a premium sound system, navigation system, and advanced driver-assistance systems such as lane keeping assist and blind spot monitoring. The “BlueEFFICIENCY” designation indicated the inclusion of fuel-saving technologies such as start-stop functionality and optimized aerodynamics.
Chassis & Braking
The S212 E-Class wagon features a sophisticated chassis design. The front suspension utilizes a multi-link setup with coil springs and a stabilizer bar, while the rear suspension employs an independent multi-link configuration. Air suspension was available as an option, providing adjustable ride height and improved comfort. The braking system consists of ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESP) are standard safety features. The steering is a hydraulic power-assisted rack and pinion system, offering precise and responsive handling.
Market Reception & Comparison
The E 300 BlueEFFICIENCY 4MATIC was generally well-received by automotive critics. It was praised for its comfortable ride, refined engine, and all-weather capability. Compared to the E 250 CDI (diesel) models, the E 300 offered a smoother and quieter driving experience, albeit with slightly higher fuel consumption. Against the more powerful E 550 models, the E 300 provided a more balanced combination of performance and efficiency. Fuel economy figures of around 30 mpg combined were considered respectable for a vehicle of this size and class. Reliability was generally good, although some owners reported minor issues with electronic components.
Legacy
The M 276 engine family, including the 3.5-liter variant found in the E 300, has proven to be a durable and reliable powerplant. While not without its potential maintenance needs (such as occasional issues with the balance shaft), the engine is generally considered robust when properly maintained. In the used car market, the E 300 BlueEFFICIENCY 4MATIC represents a good value proposition, offering a luxurious and capable wagon at a reasonable price. Its combination of practicality, performance, and all-wheel-drive capability continues to appeal to buyers seeking a versatile and refined estate car.
