The Mercedes-Benz E-Class T-modell (S210) E 250 Turbodiesel, produced from July 1997 to July 1999, represented a compelling blend of practicality and efficiency within the W210 series. Positioned as a mid-range offering in the T-modell (estate) lineup, it catered to buyers seeking the spaciousness of a wagon with the refined driving experience and fuel economy characteristic of a Mercedes-Benz diesel. This variant occupied a space between the base E 220 CDI and the more powerful E 320 CDI, offering a balance of performance and cost. It was primarily sold in the European market, where wagons held a stronger appeal than in North America.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | E-Class |
| Generation | E-Class T-modell (S210) |
| Type (Engine) | E 250 Turbodiesel (150 Hp) |
| Start of production | July, 1997 |
| End of production | July, 1999 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 11.1 l/100 km (21.2 US mpg, 25.4 UK mpg, 9 km/l) |
| Fuel consumption (extra urban) | 6.7 l/100 km (35.1 US mpg, 42.2 UK mpg, 14.9 km/l) |
| Fuel consumption (combined) | 8.3 l/100 km (28.3 US mpg, 34 UK mpg, 12 km/l) |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.3 sec |
| Acceleration 0 – 62 mph | 11.3 sec |
| Acceleration 0 – 60 mph | 10.7 sec |
| Maximum speed | 203 km/h (126.14 mph) |
| Weight-to-power ratio | 11.2 kg/Hp, 89.3 Hp/tonne |
| Weight-to-torque ratio | 6 kg/Nm, 166.7 Nm/tonne |
| Power | 150 Hp @ 5000 rpm |
| Power per litre | 60.1 Hp/l |
| Torque | 280 Nm @ 1800-3600 rpm (206.52 lb.-ft. @ 1800-3600 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | OM 605 D 25 LA / 605.962 |
| Engine displacement | 2497 cm3 (152.38 cu. in.) |
| Number of cylinders | 5 |
| Engine configuration | Inline |
| Cylinder Bore | 87 mm (3.43 in.) |
| Piston Stroke | 84 mm (3.31 in.) |
| Compression ratio | 22:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Precombustion chamber injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant | 8.5 l (8.98 US qt | 7.48 UK qt) |
| Kerb Weight | 1680 kg (3703.77 lbs.) |
| Max. weight | 2260 kg (4982.45 lbs.) |
| Max load | 580 kg (1278.68 lbs.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4816 mm (189.61 in.) |
| Width | 1799 mm (70.83 in.) |
| Height | 1505 mm (59.25 in.) |
| Wheelbase | 2833 mm (111.54 in.) |
| Front track | 1542 mm (60.71 in.) |
| Rear track | 1546 mm (60.87 in.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
| Front suspension | Double wishbone |
| Rear suspension | Hydro-pneumatic element, Independent multi-link 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 | Front: 205/65 R15, Rear: 205/65 R15 |
| Wheel rims size | Front: 7J x 15, Rear: 7J x 15 |
Powertrain & Engine Architecture
The heart of the E 250 Turbodiesel was the OM 605 D 25 LA engine, a 2.5-liter inline five-cylinder diesel. This engine utilized a precombustion chamber injection system, a common feature in Mercedes-Benz diesels of the era, known for its relatively quiet operation and good combustion efficiency. A turbocharger with an intercooler was employed to boost power output to 150 horsepower and 280 Nm (206.52 lb-ft) of torque. The engine featured a double overhead camshaft (DOHC) valvetrain, contributing to improved breathing and efficiency. The five-speed manual transmission was standard, providing a good balance between fuel economy and drivability. The engine’s longitudinal mounting and rear-wheel-drive configuration were typical for Mercedes-Benz passenger cars at the time.
Driving Characteristics
The E 250 Turbodiesel offered a comfortable and refined driving experience, prioritizing fuel efficiency and relaxed cruising over outright performance. While not a sports car, the 150 hp engine and 280 Nm of torque provided adequate power for everyday driving and highway overtaking. The manual transmission allowed for precise control, but the gear ratios were tuned for economy rather than acceleration. Compared to the more powerful E 320 Turbodiesel, the E 250 felt noticeably less responsive, particularly at higher speeds. However, it offered a significant fuel economy advantage. The suspension, a combination of double wishbones at the front and a hydro-pneumatic independent multi-link setup at the rear, provided a smooth and controlled ride, absorbing bumps effectively.
Equipment & Trim Levels
The E 250 Turbodiesel T-modell typically came equipped with a respectable level of standard features, including power windows, central locking, and an automatic climate control system. Interior upholstery was generally cloth, although leather was available as an option. Dashboard configuration was consistent with other W210 models, featuring a classic Mercedes-Benz design with wood trim accents. Optional extras included a sunroof, upgraded audio system, and heated seats. The T-modell specifically added features like a self-leveling rear suspension to compensate for varying loads, and a large cargo area with a retractable load cover.
Chassis & Braking
The S210 chassis was designed to provide a comfortable and stable ride. The front suspension utilized double wishbones, while the rear employed a sophisticated hydro-pneumatic independent multi-link system. This setup minimized body roll and provided excellent ride quality. Braking duties were handled by ventilated discs at the front and solid discs at the rear, coupled with an Anti-lock Braking System (ABS) for enhanced safety. The hydraulic power steering provided light and precise steering feel.
Market Reception & Comparison
The E 250 Turbodiesel T-modell was well-received in Europe as a practical and economical family vehicle. Critics praised its fuel efficiency, comfortable ride, and spacious interior. However, some noted that its performance was not as exhilarating as that of its more powerful siblings. Compared to the E 220 CDI, the E 250 offered a noticeable power increase, while the E 320 CDI provided significantly more performance but at the cost of fuel economy. The E 250 struck a good balance for buyers prioritizing practicality and efficiency.
Legacy
The OM 605 engine family, including the D 25 LA variant, is known for its durability and longevity. Well-maintained examples of the E 250 Turbodiesel can still be found on the road today, testament to the robust engineering of the engine and the overall build quality of the W210 platform. In the used car market, these models are often sought after by enthusiasts and those looking for a reliable and economical classic Mercedes-Benz. While parts availability can be a concern for older vehicles, the OM 605 engine is relatively straightforward to maintain, and many parts are still readily available. The E 250 Turbodiesel T-modell remains a popular choice for those seeking a practical and refined estate car with a classic Mercedes-Benz pedigree.
