The Mercedes-Benz 250 is a rear wheel drive motor vehicle, with the engine located in the front, and a 4 door saloon body designed by Friedrich Geiger.
It is part of Mercedes-Benz's W 123 series of cars.
The Mercedes-Benz 250's engine is a naturally aspirated petrol, 2.5 litre, single overhead camshaft 6 cylinder with 2 valves per cylinder. It produces 138 bhp (140 PS/103 kW) of power at 5500 rpm, and maximum torque of 200 N·m (148 lb·ft/20.4 kgm) at 3500 rpm.
The power is transmitted to the wheels through a 4 speed manual gearbox.
Its quoted weight at the kerb is 1360 kg.
It is claimed to attain a maxiumum speed of 185 km/h, or 115 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | Friedrich Geiger | ||
| dimensions & weights | |||
| Wheelbase | 2795 mm | 110 inches | |
| Track/tread (front) | 1488 mm | 58.6 inches | |
| Track/tread (rear) | 1453 mm | 57.2 inches | |
| Length | 4725 mm | 186 inches | |
| Width | 1786 mm | 70.3 inches | |
| Height | 1440 mm | 56.7 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.69 | ||
| Kerb weight | 1360 kg | 2998 lb | |
| Weight distribution | |||
| fuel tank capacity | 80 litres | 17.6 [21.1] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | M 123 V 25 / 123.920 | ||
| Cylinders | Straight 6 | ||
| Capacity | 2.5 litre 2525 cc (154.085 cu in) |
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| Bore × Stroke | 86 × 72.5 mm
3.39 × 2.85 in |
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| Bore/stroke ratio | 1.19 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 12 valves in total |
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| maximum power output (DIN) |
140 PS (138 bhp) (103 kW) at 5500 rpm |
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| maximum torque (DIN) |
200 Nm (148 ft·lb) (20.4 kgm) at 3500 rpm |
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| Specific output (DIN) |
40.8 kW/litre 55.4 ps/litre 54.7 bhp/litre 0.9 bhp/cu in |
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| Specific torque (DIN) |
79.21 Nm/litre
0.96 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9:1 | ||
| Fuel system | 1 So carb | ||
| bmep (brake mean effective pressure) | 995.4 kPa (144.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 4 | ||
| Engine coolant | Water | ||
| Unitary capacity | 420.83 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 11.3 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 185 km/h (115 mph) | ||
| Power-to-weight ratio | Higher is better 102.88 PS/tonne (1000 kg) 0.1 PS/kg 75.67 kW/tonne (1000 kg) 0.08 kW/kg 101.47 bhp/tonne (1000 kg) 0.1 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 13.22 kg/kW 22.08 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | 4.300 | ||
| Turning circle | |||
| Front suspension | I.W.CS. | ||
| Rear suspension | I.STA.CS. | ||
| Wheel size front | 5½J x 14 H 2 | ||
| Wheel size rear | 5½J x 14 H 2 | ||
| Tyres front | 175 HR 14 88 H | ||
| Tyres rear | 175 HR 14 88 H | ||
| Brakes F/R | Di/Di-S | ||
| Front brake diameter | 278 mm | ||
| Rear brake diameter | 279 mm | ||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.69 | ||
| general | |||
| Carfolio.com ID | 61226 | ||
| Production total | |||
| Model code | W123 V 125 | ||
| Model family | W 123 | ||
| RAC rating | 27.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1979 Mercedes-Benz 250 added before December 1995. Last modified 2013-06-19. |
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