| Production | 1977-1979 |
| Fuel | Diesel |
| Motor Type | R5 |
| Displacement (cc/Cid) | 3005 / 183 |
| Number of Valves | 10 |
| Power | 80hp / 59kW @ 4000rpm |
| Torque | 172Nm / 127lb ft @ 2400rpm |
| Layout | Rear Wheel Drive |
| Gearbox | Manual |
| Number of gears (transmission) | 4 |
| Top Speed (km/h / mph) | 148 / 92 |
| Acceleration (0 to 100km/h / 0 to 60mph) | 19.9 / 19.2 |
| Fuel consumption extra-urban/highway (l/100km / mpg(US)) | ? |
| Fuel consumption urban/city (l/100km / mpg(US)) | ? |
| Fuel consumption mixed (l/100km / mpg(US)) | 10.9 / 21.6 |
| Length (cm/inches) | 535 / 211 |
| Width (cm/inches) | 178 / 70 |
| Height (cm/inches) | 144 / 57 |
| Wheelbase (cm/inches) | 342 / 135 |
| Weight (kg / lbs) | 1450 / 3197 |
| Trunk Volume (dm3 / cu ft (US)) | ? |
| Tank Capacity (l / gal (US)) | 70 / 18.5 |
| Tire size | ? |
| Others | ? |
Mercedes-Benz 123 Lang 300 D Lang 80hp
