The Mercedes-Benz 12/55 ps Tourer is a tourer with 4 doors and a front mounted powerplant which delivers the power through the rear wheels.
It forms part of Mercedes-Benz's W 03 family of cars.
The 3.1 litre engine is a naturally aspirated, overhead valve, 6 cylinder unit that develops 55 bhp (56 PS/41 kW) of power at 3200 rpm, and maximum torque of 140 N·m (103 lb·ft/14.3 kgm) at 1280 rpm.
The engine supplies its power through to the wheels by means of a 4 speed manual transmission.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater tourer | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3430 mm | 135 inches | |
| Track/tread (front) | 1420 mm | 55.9 inches | |
| Track/tread (rear) | 1420 mm | 55.9 inches | |
| Length | 4640 mm | 182.7 inches | |
| Width | 1760 mm | 69.3 inches | |
| Height | |||
| Ground clearance | |||
| length:wheelbase ratio | 1.35 | ||
| 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 03 | ||
| Cylinders | Straight 6 | ||
| Capacity | 3.1 litre 3130 cc (191.004 cu in) |
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| Bore × Stroke | 76 × 115 mm
2.99 × 4.53 in |
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| Bore/stroke ratio | 0.66 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output | 56 PS (55 bhp) (41 kW) at 3200 rpm |
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| maximum torque | 140 Nm (103 ft·lb) (14.3 kgm) at 1280 rpm |
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| Specific output | 13.1 kW/litre 17.8 ps/litre 17.6 bhp/litre 0.29 bhp/cu in |
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| Specific torque |
44.73 Nm/litre
0.54 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 5.1:1 | ||
| Fuel system | 1 Zenith 36 HK Model TD carburettor | ||
| bmep (brake mean effective pressure) | 562.1 kPa (81.5 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 521.67 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| 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 | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 32 x 6.00 | ||
| Tyres rear | 32 x 6.00 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 5.80 | ||
| general | |||
| Carfolio.com ID | 527780 | ||
| Production total | |||
| Model code | |||
| Model family | W 03 | ||
| RAC rating | 21.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1927 Mercedes-Benz 12/55 ps Tourer added 2017-08-09. Last modified 2020-03-16. |
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