This 250 4MT (140 hp) engine was fitted in the W123 Sedan, which was produced by Mercedes-Benz from 1975 to 1986. In addition to this engine, 40 other engines were also available for this body — their technical data and fuel economy are accessible by clicking the body name at the top of the page.
| City fuel consumption per 100 km | 14.8litre |
|---|---|
| Highway fuel consumption per 100 km | 9litre |
| Mixed fuel consumption per 100 km | 11.4litre |
| Fuel tank capacity | 80litre |
| Cruising range | from 540 to 890km |
| Fuel | 80 RON |
| Top speed | 185km/h |
| Acceleration (0–100 km/h) | 11.3second |
| Displacement | 2525cm3 |
|---|---|
| Engine power | 140bhp |
| RPM at max power | to 5 500RPM |
| Maximum torque | 200Nm |
| RPM at max torque | 3500RPM |
| Engine type | Gasoline |
| Cylinder layout | Inline |
| Injection type | Carburetor |
| Number of cylinders | 6 |
| Valves per cylinder | 2 |
| Bore | 86mm |
| Stroke | 72.45mm |
| Gearbox | Manual |
|---|---|
| Number of gears | 4 |
| Drive wheels | Rear-wheel drive |
| Turning circle | 11.25m |
| Seats | 5 |
|---|---|
| Length | 4725mm |
| Width | 1786mm |
| Height | 1438mm |
| Wheelbase | 2795mm |
| Front track | 1488mm |
| Rear track | 1446mm |
| Ground clearance | 146mm |
| Kerb weight | 1410kg |
| Gross weight | 1930kg |
| Displacement | 520kg |
| Min. boot capacity | 510litre |
| Max. boot capacity | 510litre |
| Permitted road-train weight | 3110kg |
| Body type | Sedan |
| Front suspension | Independent, Lever, Dampers, Spring, Stabilizer bar |
|---|---|
| Rear suspension | Independent, Lever, Dampers, Spring, Stabilizer bar |
| Front brakes | Disc |
| Rear brakes | Disc |
| City | 17.8 litres / 100km |
|---|---|
| Highway | 10.8 litres / 100km |
| Average | 13.7 litres / 100km |
Estimated from official figures. Actual consumption varies by driving style and conditions.