The Mercedes-Benz E-Class T-modell (S212) E 300 BlueEFFICIENCY V6, equipped with the 7G-TRONIC PLUS automatic transmission, was a station wagon produced from August 2011 to January 2013. Positioned as a mid-range offering within the S212 E-Class family, it aimed to balance performance, fuel efficiency, and practicality for buyers seeking a premium estate car. This variant represented a key part of Mercedes-Benz’s strategy to offer a diverse E-Class lineup catering to various customer preferences, particularly in European markets where wagons hold significant popularity. It built upon the foundation of the W212 sedan, extending the body style to provide increased cargo capacity and versatility.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-class |
| Generation | E-class T-modell (S212) |
| Type | E 300 BlueEFFICIENCY V6 (252 Hp) 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) | 9.6-9.7 l/100 km (24.5 – 24.2 US mpg) |
| Fuel consumption (extra urban) | 5.6-5.8 l/100 km (42 – 40.6 US mpg) |
| Fuel consumption (combined) | 7.1-7.2 l/100 km (33.1 – 32.7 US mpg) |
| CO2 emissions | 165-169 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.5 sec |
| Acceleration 0 – 62 mph | 7.5 sec |
| Acceleration 0 – 60 mph | 7.1 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 7 kg/Hp |
| Weight-to-torque ratio | 5.2 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 | 1765 kg (3891.16 lbs.) |
| Max. weight | 2430 kg (5357.23 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 | 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 |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic |
| Front tires | 225/55 R16; 245/45 R17; 245/40 R18 |
| Rear tires | 225/55 R16; 245/45 R17; 265/50 R18 |
| Front wheel rims | 7.5J x 16; 8J x 17; 8.5J x 18 |
| Rear wheel rims | 7.5J x 16; 8J x 17; 9J x 18 |
Powertrain & Engine Architecture
The E 300 BlueEFFICIENCY utilized the M 276.952 3.5-liter naturally aspirated V6 engine. This engine was a key component of Mercedes-Benz’s modular engine family, known for its smooth operation and relatively high power output. It featured a 60-degree V-angle, a cast aluminum block, and cylinder heads with four valves per cylinder operated by dual overhead camshafts (DOHC). Direct fuel injection was employed to optimize combustion efficiency and reduce emissions. The “BlueEFFICIENCY” designation indicated the inclusion of fuel-saving technologies such as start-stop functionality. The engine produced 252 horsepower at 6500 rpm and 340 Nm (250.77 lb-ft) of torque between 3500 and 4500 rpm. This power was delivered to the rear wheels via the 7G-TRONIC PLUS seven-speed automatic transmission, a sophisticated unit known for its smooth shifts and wide gear ratio spread. The transmission offered selectable driving modes, allowing drivers to prioritize comfort or performance.
Driving Characteristics
The E 300 BlueEFFICIENCY V6 with the 7G-TRONIC PLUS provided a comfortable and refined driving experience. While not overtly sporty, the engine delivered adequate acceleration, achieving 0-60 mph in approximately 7.1 seconds. The 7G-TRONIC PLUS transmission contributed to this by providing quick and seamless gear changes. Compared to the more powerful E 350 or the diesel-powered E 300 CDI, the E 300 felt less urgent in its acceleration. However, it offered a more balanced driving experience than the base E 250 models. The automatic transmission’s gear ratios were tuned for both fuel efficiency and responsiveness, providing sufficient power for highway cruising and overtaking maneuvers. The steering was precise and well-weighted, contributing to a confident feel on the road.
Equipment & Trim Levels
The E 300 BlueEFFICIENCY typically came standard with a generous array of features, reflecting its position as a mid-range E-Class model. Standard equipment included leather upholstery, automatic climate control, a multi-function steering wheel, and a high-quality audio system. Optional extras included features such as a panoramic sunroof, advanced navigation system, premium sound system, and various driver assistance systems like lane keeping assist and blind spot monitoring. Interior trim options allowed for customization, with choices in wood veneers and aluminum accents. The standard dashboard configuration featured analog gauges with a central display screen for infotainment and vehicle information.
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 as well. Air suspension was available as an option, providing a more comfortable ride and the ability to adjust ride height. The braking system consisted of ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic stability control (ESC) were standard safety features. The E 300’s weight distribution was well-balanced, contributing to its stable handling characteristics.
Market Reception & Comparison
The E 300 BlueEFFICIENCY V6 was generally well-received by automotive critics. It was praised for its refined engine, comfortable ride, and spacious interior. Compared to the E 350, the E 300 offered a more affordable entry point into the E-Class range while still providing a premium experience. The diesel-powered E 300 CDI offered superior fuel economy, but some buyers preferred the smoother and quieter operation of the gasoline V6. Fuel economy figures of 7.1-7.2 l/100 km (33.1 – 32.7 US mpg) were competitive for its class, offering a good balance between performance and efficiency. Reliability was generally good, although like any complex vehicle, preventative maintenance was crucial.
Legacy
The M 276 engine family, including the M 276.952 found in the E 300 BlueEFFICIENCY, has proven to be relatively reliable over the long term, provided it receives regular maintenance. The 7G-TRONIC PLUS transmission is also known for its durability. In the used car market, the S212 E-Class T-modell E 300 BlueEFFICIENCY represents a good value proposition for buyers seeking a practical and luxurious station wagon. While newer E-Class models offer more advanced technology and improved fuel efficiency, the S212 generation remains a popular choice for those who appreciate its classic Mercedes-Benz styling and comfortable driving experience. The combination of a smooth V6 engine, a refined automatic transmission, and a spacious interior continues to appeal to buyers today.




