The Mercedes-Benz 300 S Roadster is a coupé with 2 doors and a front mounted engine which delivers the power through the rear wheels.
The Mercedes-Benz 300 S Roadster is one of the W 188 range of cars from Mercedes-Benz.
The 3 litre engine is a naturally aspirated, single overhead camshaft, 6 cylinder unit that develops 148 bhp (150 PS/110 kW) of power at 5000 rpm, and maximum torque of 230 N·m (170 lb·ft/23.5 kgm) at 3800 rpm.
The engine drives the wheels compliments of a 4 speed manual gearbox.
It is said to be able to attain a maxiumum speed of 175 km/h (109 mph).
Full specs
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| bodywork | |||
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| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2900 mm | 114.2 inches | |
| Track/tread (front) | 1480 mm | 58.3 inches | |
| Track/tread (rear) | 1525 mm | 60 inches | |
| Length | 4730 mm | 186.2 inches | |
| Width | 1910 mm | 75.2 inches | |
| Height | 1510 mm | 59.4 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.63 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 85 litres | 18.7 [22.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | M 188 / 188.920 | ||
| Cylinders | Straight 6 | ||
| Capacity | 3 litre 2996 cc (182.827 cu in) |
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| Bore × Stroke | 85 × 88 mm
3.35 × 3.46 in |
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| Bore/stroke ratio | 0.97 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 12 valves in total |
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| maximum power output | 150 PS (148 bhp) (110 kW) at 5000 rpm |
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| maximum torque | 230 Nm (170 ft·lb) (23.5 kgm) at 3800 rpm |
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| Specific output | 36.8 kW/litre 50.1 ps/litre 49.4 bhp/litre 0.81 bhp/cu in |
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| Specific torque |
76.77 Nm/litre
0.93 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 7.8:1 | ||
| Fuel system | 3 So 40 PBJC carbs | ||
| bmep (brake mean effective pressure) | 964.7 kPa (139.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 499.33 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 15 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 175 km/h (109 mph) | ||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| 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 | 3.750 | ||
| Turning circle | 12.30 m | ||
| Front suspension | I.DW.CS. | ||
| Rear suspension | SwAx.CS. | ||
| Wheel size front | 5K x 15 | ||
| Wheel size rear | 5K x 15 | ||
| Tyres front | 6.70-15 | ||
| Tyres rear | 6.70-15 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | 260 mm | ||
| Rear brake diameter | 260 mm | ||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 4.13 | ||
| general | |||
| Carfolio.com ID | 109065 | ||
| Production total | 141 | ||
| Model code | W 188 I | ||
| Model family | W 188 | ||
| RAC rating | 26.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1951 Mercedes-Benz 300 S Roadster added 2003-03-10. Last modified 2013-02-28. |
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