The Mercedes-Benz 250 S is a rear wheel drive vehicle, with the engine located in the front, and a 4 door saloon (sedan) bodyshell designed by Paul Bracq.
The 250 S forms part of Mercedes-Benz's W 108 series.
Its 2.5 litre engine is a naturally aspirated, single overhead camshaft, 6 cylinder unit that has an output of 128 bhp (130 PS/95 kW) of power at 5400 rpm, and maximum torque of 194 N·m (143 lb·ft/19.8 kgm) at 4000 rpm.
The engine powers the wheels via a 4 speed manual transmission.
Quoted weight at the kerb is 1440 kg.
Maximum speed stated is 180 km/h (112 mph).
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | Paul Bracq | ||
| dimensions & weights | |||
| Wheelbase | 2750 mm | 108.3 inches | |
| Track/tread (front) | 1482 mm | 58.3 inches | |
| Track/tread (rear) | 1485 mm | 58.5 inches | |
| Length | 4900 mm | 192.9 inches | |
| Width | 1810 mm | 71.3 inches | |
| Height | 1440 mm | 56.7 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.78 | ||
| Kerb weight | 1440 kg | 3175 lb | |
| Weight distribution | |||
| fuel tank capacity | 82 litres | 18 [21.7] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | M 108 I / 108.920 | ||
| Cylinders | Straight 6 | ||
| Capacity | 2.5 litre 2497 cc (152.376 cu in) |
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| Bore × Stroke | 82 × 78.8 mm
3.23 × 3.1 in |
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| Bore/stroke ratio | 1.04 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 12 valves in total |
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| maximum power output (DIN) |
130 PS (128 bhp) (95 kW) at 5400 rpm |
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| maximum torque (DIN) |
194 Nm (143 ft·lb) (19.8 kgm) at 4000 rpm |
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| Specific output (DIN) |
38.2 kW/litre 52 ps/litre 51.3 bhp/litre 0.84 bhp/cu in |
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| Specific torque (DIN) |
77.69 Nm/litre
0.94 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 9:1 | ||
| Fuel system | 2 Ze 35/40 INAT carbs | ||
| bmep (brake mean effective pressure) | 976.3 kPa (141.6 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 416.17 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 12.8 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 180 km/h (112 mph) | ||
| Power-to-weight ratio | Higher is better 90.12 PS/tonne (1000 kg) 0.09 PS/kg 66.28 kW/tonne (1000 kg) 0.07 kW/kg 88.89 bhp/tonne (1000 kg) 0.09 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 15.09 kg/kW 25.2 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 | 3.200 | ||
| Turning circle | 11.50 m | ||
| Front suspension | I.DW.AS.ARB. | ||
| Rear suspension | I.SwAxle.AS.ARB. | ||
| Wheel size front | 6J x 14 HB | ||
| Wheel size rear | 6J x 14 HB | ||
| Tyres front | 185 H 14 | ||
| Tyres rear | 185 H 14 | ||
| Brakes F/R | Di/Di-S | ||
| Front brake diameter | 273 mm | ||
| Rear brake diameter | 279 mm | ||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.92 | ||
| general | |||
| Carfolio.com ID | 95876 | ||
| Production total | |||
| Model code | W 108 II | ||
| Model family | W 108 | ||
| RAC rating | 25.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1965 Mercedes-Benz 250 S added 2002-06-19. Last modified 2013-02-28. |
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