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Mercedes-Benz S-class SE (W126) 300 SD Turbodiesel (121 Hp) Automatic
Overall Rating
Mercedes-Benz S-class:
The Mercedes-Benz S-Class, formerly known as "special class" , is a series of full-sized luxury sedans and coupés produced by the German automaker Mercedes-Benz. The S-Class is the designation for top-of-the-line Mercedes-Benz models and was officially introduced in 1972 with the W116, and has remained in use ever since. The S-Class is the flagship vehicle for Mercedes-Benz, being positioned above the other Mercedes-Benz models.
The S-Class has debuted many of the company's latest innovations, including drivetrain technologies, interior features, and safety systems. The S-Class has ranked as the world's best-selling luxury sedan. In automotive terms, Sonderklasse refers to "a specially outfitted car. " Although used colloquially for decades, following its official application in 1972, six generations of officially named S-Klasse sedans have been produced....(Read more on Wikipedia)
SE (W126) Overview:
Mercedes-Benz S-class (SE (W126)). With 230 Nm of torque, it offers ample pulling power. With a weight of 1700 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is relatively slow (0–100 km/h in 15.2 s). The top speed reaches 175 km/h. A four-door car with a separate trunk, ideal for families and daily commuting. Seating for 5 makes it ideal for daily use.
300 SD Turbodiesel (121 Hp) Automatic Verdict:
Performance Verdict
Prioritizes longevity and torque over outright speed. Acceleration is leisurely, but it offers strong pulling power for cruising.
Fuel Economy
The most fuel-efficient option in the lineup, making it ideal for high-mileage drivers and long-distance economy.
Pros and Cons:
Pros:
- • Exceptional build quality and durability
- • Superb ride comfort and refinement
- • Timeless, elegant design
- • Advanced safety features for its era (ABS, airbags)
- • Powerful and smooth V8 engine options
- • Excellent long-distance cruiser
Cons:
- • High fuel consumption, especially for V8 models
- • Maintenance can be costly for specific parts
- • Dated technology compared to modern cars
- • Potential for rust if not well-maintained
- • Large size can be challenging in urban environments
Specifications:
Specifications are compared to those of the previous generation(SEL (V116): September, 1975 - May, 1980).
| General: | |
|---|---|
| Brand: | Mercedes-Benz |
| Model: | S-class |
| Generation: | SE (W126) |
| Modification (Engine): | 300 SD Turbodiesel (121 Hp) Automatic |
| Start of production: | September, 1979 |
| End of production: | October, 1982 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Sedan |
| Seats: | 5 |
| Doors: | 4 |
| Engine: | |
|---|---|
| Power: | 121 Hp @ 4350 rpm. Same horsepower |
| Power per litre: | 40.4 Hp/l [85mm more] |
| Torque: | 230 Nm @ 2400 rpm. |
| Engine Model/Code: | OM 617 D 30 A / 617.951 More details about the engine OM 617 D 30 A / 617.951 |
| Engine displacement: | 2998 |
| Number of cylinders: | 5 |
| Engine configuration: | Inline |
| Number of valves per cylinder: | 2 |
| Fuel injection system: | Multi-port manifold injection |
| Engine aspiration: | Turbocharger |
| Valvetrain: | SOHC |
| Engine oil capacity: | 9.5 l |
| Coolant: | 12.5 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 90.9 mm |
| Piston Stroke: | 92.4 mm |
| Compression ratio: | 21.5:1 |
| Performance: | |
|---|---|
| Fuel Type: | Diesel |
| Acceleration 0 - 100 km/h: | 15.2 sec |
| Acceleration 0 - 62 mph: | 15.2 sec |
| Maximum speed: | 175 km/h |
| Weight-to-power ratio: | 14 kg/Hp, 71.4 Hp/tonne |
| Weight-to-torque ratio: | 7.4 kg/Nm, 135.7 Nm/tonne |
| Acceleration 0 - 60 mph: | 14.4 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1695-1705 |
| Max. weight: | 2170 |
| Max load: | 465-475 |
| Trunk (boot) space - minimum: | 505 l |
| Fuel tank capacity: | 77 l |
| Size: | |
|---|---|
| Length: | 5145 mm [85mm more] |
| Width: | 1820 mm [50mm less] |
| Height: | 1430 mm [20mm more] |
| Wheelbase: | 2930 mm [30mm less] |
| Front track: | 1545 mm |
| Rear (Back) track: | 1517 mm |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears | 4 |
| Transmission type | Automatic |
| Front brakes | Ventilated discs [Best for performance and cooling.] |
| Rear brakes | Disc |
| Steering type | Cone worm with recirculation balls |
| Power steering | Hydraulic Steering |
| Tires size | Front wheel tires: 195/70 R14 |
| Wheel rims size | Front wheel rims: 6J x 14 |
| Front suspension | Double wishbone |
| Rear suspension | Trailing arm |
Every driver has a story. What’s yours with the Mercedes-Benz S-class?