The Mercedes-Benz E-Class T-modell (S212) E 200 CDI BlueEFFICIENCY, produced from 2010 to 2011, represented a compelling entry point into the premium wagon segment. Positioned as a fuel-efficient and practical variant within the broader S212 E-Class range, it catered to buyers prioritizing economy and space without sacrificing the Mercedes-Benz brand experience. This model occupied the lower-mid range of the lineup, slotting below more powerful E-Class wagons like the E 350 and the performance-oriented E 63 AMG. It was primarily sold in the European market, where the demand for wagons (estate cars) remained strong, offering a sophisticated alternative to SUVs.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class T-modell (S212) |
| Type (Engine) | E 200 CDI BlueEFFICIENCY (136 Hp) |
| Start of production | 2010 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 7.3-7.4 l/100 km (32.2 – 31.8 US mpg) |
| Fuel consumption (extra urban) | 4.9-5.1 l/100 km (48 – 46.1 US mpg) |
| Fuel consumption (combined) | 5.8-6 l/100 km (40.6 – 39.2 US mpg) |
| CO2 emissions | 152-156 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10.9 sec |
| Acceleration 0 – 62 mph | 10.9 sec |
| Acceleration 0 – 60 mph | 10.4 sec |
| Maximum speed | 205 km/h (127.38 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 12.9 kg/Hp |
| Weight-to-torque ratio | 4.9 kg/Nm |
| Power | 136 Hp @ 2800-4600 rpm |
| Torque | 360 Nm @ 1600-2600 rpm (265.52 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 651.925 |
| 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 | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 1750 kg (3858.09 lbs.) |
| Max. weight | 2400 kg (5291.09 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 | 59 l (15.59 US gal | 12.98 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 1900 kg (4188.78 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 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) | 0.29 |
| Minimum turning circle | 11.25 m (36.91 ft.) |
| Drivetrain | Rear wheel drive |
| Number of gears | 6 |
| Gearbox type | Manual transmission |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension, Air suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 225/55 R16; 245/45 R17 |
| Wheel rims size | 7.5J x 16; 8J x 17 |
INTRODUCTION
The S212 E-Class T-modell, introduced in 2009 as the wagon variant of the fifth-generation E-Class (W212 sedan), continued Mercedes-Benz’s tradition of offering practical and luxurious estate cars. The E 200 CDI BlueEFFICIENCY, launched in 2010, was a diesel-powered option designed to appeal to European buyers seeking fuel efficiency and ample cargo space. The “BlueEFFICIENCY” designation indicated the inclusion of various fuel-saving technologies, aligning with Mercedes-Benz’s efforts to reduce emissions and improve overall economy. This variant was a key component of the S212 lineup, providing a more accessible entry point compared to the higher-performance and more expensive models.
Powertrain & Engine Architecture
At the heart of the E 200 CDI BlueEFFICIENCY lies the OM651.925, a 2.1-liter inline-four cylinder diesel engine. This engine is a cornerstone of Mercedes-Benz’s diesel offerings, known for its robust construction and relatively good fuel economy. The OM651 utilizes a second-generation common rail direct injection system, delivering fuel at extremely high pressures (up to 2000 bar) for optimized combustion. A variable geometry turbocharger with an intercooler further enhances performance and efficiency. The engine also features a Diesel Particulate Filter (DPF) to reduce particulate matter emissions, complying with Euro 5 emission standards. The 136 horsepower and 360 Nm (265 lb-ft) of torque are delivered between 2800-4600 rpm and 1600-2600 rpm respectively. The engine is longitudinally mounted, driving the rear wheels. The transmission is a 6-speed manual gearbox, chosen for its efficiency and lower cost compared to the available automatic options.
Driving Characteristics
The E 200 CDI BlueEFFICIENCY T-modell offered a comfortable and refined driving experience, prioritizing fuel economy over outright performance. While not particularly quick, the 136 hp engine provided adequate power for everyday driving and long-distance cruising. Acceleration from 0-100 km/h (0-62 mph) took around 10.9 seconds. The manual transmission allowed for precise control, but the gear ratios were tuned for economy, meaning frequent shifting was often necessary to maintain optimal power delivery. Compared to the more powerful E 250 CDI or E 350 CDI variants, the E 200 CDI felt noticeably less responsive, particularly when fully loaded. However, its lighter weight and efficient engine contributed to excellent fuel economy, making it a practical choice for those covering significant mileage.
Equipment & Trim Levels
The E 200 CDI BlueEFFICIENCY T-modell came reasonably well-equipped as standard. Typical features included automatic climate control, a multi-function steering wheel, electric windows, and a basic audio system. Interior upholstery was generally cloth, although leather options were available at extra cost. The dashboard layout was typical of the W212 E-Class, featuring a clean and functional design. Optional extras included a more advanced COMAND infotainment system with navigation, premium sound systems, parking sensors, and a sunroof. Trim levels varied slightly depending on the market, but generally offered packages that bundled popular options together.
Chassis & Braking
The S212 E-Class T-modell utilized a sophisticated chassis design, featuring an independent multi-link suspension at both the front and rear. The rear suspension often included an optional air suspension system, which provided adjustable ride height and improved comfort, particularly when carrying heavy loads. Braking duties were handled by ventilated discs at the front and solid discs at the rear, equipped with ABS (Anti-lock Braking System). The steering was a hydraulic power-assisted rack and pinion system, offering precise and responsive handling. Stabilizer bars were fitted front and rear to reduce body roll during cornering.
Market Reception & Comparison
The E 200 CDI BlueEFFICIENCY T-modell was generally well-received by critics for its fuel efficiency, practicality, and comfortable ride. It was seen as a sensible and well-rounded option for buyers prioritizing economy and space. Compared to the more powerful E-Class wagons, it offered a lower price point, making it more accessible to a wider range of customers. However, some reviewers noted its lack of outright performance and the need for frequent gear changes with the manual transmission. Fuel economy figures of around 5.8-6 l/100 km (40.6-39.2 US mpg) were highly competitive for its class. Reliability was generally good, typical of Mercedes-Benz diesels, although the DPF system required periodic maintenance.
Legacy
The OM651 engine family, including the 2.1-liter variant found in the E 200 CDI, has proven to be remarkably durable and reliable. Used examples of the E 200 CDI T-modell continue to be sought after for their fuel efficiency and practicality. While the DPF system can be a potential source of issues if not properly maintained, the engine itself is generally robust. The S212 E-Class T-modell, as a whole, remains a popular choice in the used car market, offering a blend of luxury, practicality, and reliability. The E 200 CDI BlueEFFICIENCY represents a particularly sensible and economical option within the range, appealing to buyers seeking a well-built and fuel-efficient estate car.




