The Mercedes-Benz E-Class T-modell (S212 facelift), specifically the E 250 BlueTEC variant with the 9G-TRONIC automatic transmission, was produced from July 2014 to July 2016. This model represents a refined iteration of the S212 series, a station wagon (estate) positioned within the mid-size luxury segment. The facelift brought updated styling, improved efficiency, and enhanced technology compared to the pre-facelift models. The E 250 BlueTEC 9G-TRONIC served as a popular choice for buyers seeking a balance between performance, fuel economy, and practicality within the E-Class range.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class T-modell (S212, facelift 2013) |
| Type (Engine) | E 250 BlueTEC (204 Hp) 9G-TRONIC |
| Start of production | July, 2014 |
| End of production | July, 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 5.5-5.7 l/100 km (42.8 – 41.3 US mpg) |
| Fuel consumption (extra urban) | 4.2-4.4 l/100 km (56 – 53.5 US mpg) |
| Fuel consumption (combined) | 4.7-4.9 l/100 km (50 – 48 US mpg) |
| CO2 emissions | 124-127 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.7 sec |
| Acceleration 0 – 62 mph | 7.7 sec |
| Acceleration 0 – 60 mph | 7.3 sec |
| Maximum speed | 236 km/h (146.64 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 9 kg/Hp |
| Weight-to-torque ratio | 3.7 kg/Nm |
| Power | 204 Hp @ 3800 rpm |
| Torque | 500 Nm @ 1600-1800 rpm (368.78 lb.-ft. @ 1600-1800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 651.924 |
| Engine displacement | 2143 cm3 (130.77 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 99 mm (3.9 in.) |
| Compression ratio | 16.2:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | BiTurbo, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant capacity | 10 l (10.57 US qt | 8.8 UK qt) |
| Kerb Weight | 1840 kg (4056.51 lbs.) |
| Max. weight | 2510 kg (5533.6 lbs.) |
| Max load | 670 kg (1477.1 lbs.) |
| Trunk (boot) space – minimum | 600 l (21.19 cu. ft.) |
| Trunk (boot) space – maximum | 1855 l (65.51 cu. ft.) |
| Fuel tank capacity | 59 l (15.59 US gal | 12.98 UK gal) |
| AdBlue tank capacity | 25.5 l (6.74 US gal | 5.61 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (8%) | 2100 kg (4629.71 lbs.) |
| Permitted trailer load with brakes (12%) | 1900 kg (4188.78 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 84 kg (185.19 lbs.) |
| Length | 4905 mm (193.11 in.) |
| Width | 1854 mm (72.99 in.) |
| Width including mirrors | 2071 mm (81.54 in.) |
| Height | 1507 mm (59.33 in.) |
| Wheelbase | 2874 mm (113.15 in.) |
| Front track | 1583 mm (62.32 in.) |
| Rear track | 1604 mm (63.15 in.) |
| Front overhang | 849 mm (33.43 in.) |
| Rear overhang | 1182 mm (46.54 in.) |
| Minimum turning circle | 11.28 m (37.01 ft.) |
| Drivetrain | Rear wheel drive |
| Number of gears | 9 |
| Gearbox type | Automatic transmission G-TRONIC |
Powertrain & Engine Architecture
The E 250 BlueTEC utilizes the OM 651.924, a 2.1-liter inline-four diesel engine. This engine is a cornerstone of Mercedes-Benz’s diesel offerings, known for its robust construction and efficiency. The ‘BlueTEC’ designation signifies the inclusion of advanced emissions control technologies, including a diesel particulate filter (DPF) and selective catalytic reduction (SCR) with AdBlue injection, ensuring compliance with stringent Euro 6 emission standards. The engine employs a sophisticated common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A bi-turbocharger setup, featuring a small turbo for quick response and a larger turbo for peak power, contributes to the engine’s broad torque curve. The 9G-TRONIC automatic transmission, a nine-speed unit, was a key feature. Its close gear ratios allowed the engine to operate within its optimal efficiency range more frequently, further enhancing fuel economy. The transmission also offered smooth and quick shifts, contributing to a refined driving experience.
Driving Characteristics
The E 250 BlueTEC 9G-TRONIC offered a comfortable and relaxed driving experience. While not overtly sporty, the 204 horsepower and 368 lb-ft of torque provided ample power for everyday driving and highway cruising. The 9G-TRONIC transmission was programmed for smooth shifts and prioritized fuel efficiency, sometimes at the expense of immediate responsiveness. Compared to the more powerful E 350 models, the E 250 felt less urgent in acceleration, but the difference was often negligible in real-world conditions. The torque delivery was strong from low RPMs, making overtaking maneuvers easy and effortless. The long gear ratios of the 9G-TRONIC kept engine speeds low at highway speeds, contributing to a quiet and refined cabin experience.
Equipment & Trim Levels
The E 250 BlueTEC typically came well-equipped as standard. Common features included automatic climate control, a high-resolution infotainment system with navigation, leather upholstery, and a suite of safety features like ABS, ESP, and multiple airbags. Optional extras included features like a panoramic sunroof, premium sound system, adaptive cruise control, lane-keeping assist, and air suspension. Interior trim options varied, allowing buyers to personalize the cabin with different wood veneers and metallic accents. The standard upholstery was typically MB-Tex artificial leather, with genuine leather available as an upgrade.
Chassis & Braking
The S212 E-Class T-modell featured a multi-link independent suspension at both the front and rear, providing a comfortable ride and good handling characteristics. The E 250 BlueTEC, being a mid-range variant, often came with standard suspension components. However, optional air suspension was available, offering adjustable ride height and damping for enhanced comfort and control. Braking duties were handled by ventilated disc brakes at the front and solid disc brakes at the rear. ABS (Anti-lock Braking System) and ESP (Electronic Stability Program) were standard, providing enhanced safety and stability.
Market Reception & Comparison
The E 250 BlueTEC 9G-TRONIC was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined interior. However, some reviewers noted that the engine lacked the outright performance of its more powerful siblings. Compared to the E 350, the E 250 offered significantly better fuel economy but less acceleration. Against competitors like the BMW 5 Series Touring and Audi A6 Avant, the E 250 BlueTEC held its own in terms of refinement and practicality, often offering a more comfortable ride. Its diesel engine provided a distinct advantage in fuel economy compared to the gasoline-powered alternatives.
Legacy
The OM 651 engine family, including the 2.1-liter variant found in the E 250 BlueTEC, has proven to be remarkably durable and reliable. With proper maintenance, these engines can accumulate high mileage without major issues. The 9G-TRONIC transmission, while complex, has also demonstrated good long-term reliability. In the used car market, the E 250 BlueTEC T-modell remains a popular choice for buyers seeking a practical, efficient, and comfortable station wagon. However, potential buyers should be aware of the maintenance requirements associated with diesel engines, including regular DPF regeneration and AdBlue refills. The combination of fuel efficiency, spaciousness, and Mercedes-Benz build quality ensures that the E 250 BlueTEC continues to hold its value and appeal.
