The Mercedes-Benz 540 K Cabriolet An is a rear wheel drive road car, with its engine located in the front, and a 2 door convertible/cabriolet bodyshell.
The 540 K Cabriolet A forms part of Mercedes-Benz's W 29 model range.
Its 8 cylinder, overhead valve supercharged powerplant has 2 valves per cylinder and a volume of 5.4 litres. In this application it musters power and torque figures of 177.5 bhp (180 PS/132 kW) at 3400 rpm and 431 Nm (318 lbft/44 kgm) at 2200 rpm respectively.
This power is supplied to the wheels through a 4 speed manual gearbox.
Its maximum speed stated is 185 km/h or 115 mph.
Full specs
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| bodywork | |||
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| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3290 mm | 129.5 inches | |
| Track/tread (front) | 1515 mm | 59.6 inches | |
| Track/tread (rear) | 1502 mm | 59.1 inches | |
| Length | 5250 mm | 206.7 inches | |
| Width | 1860 mm | 73.2 inches | |
| Height | 1640 mm | 64.6 inches | |
| Ground clearance | 190 mm | 7.5 inches | |
| length:wheelbase ratio | 1.6 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 115 litres | 25.3 [30.4] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | supercharged petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | M 24 II | ||
| Cylinders | Straight 8 | ||
| Capacity | 5.4 litre 5401 cc (329.589 cu in) |
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| Bore × Stroke | 88 × 111 mm
3.46 × 4.37 in |
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| Bore/stroke ratio | 0.79 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output | 180 PS (177.5 bhp) (132 kW) at 3400 rpm |
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| maximum torque | 431 Nm (318 ft·lb) (44 kgm) at 2200 rpm |
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| Specific output | 24.5 kW/litre 33.3 ps/litre 32.9 bhp/litre 0.54 bhp/cu in |
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| Specific torque |
79.8 Nm/litre
0.96 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 5.2:1 | ||
| Fuel system | 1 Mercedes-Benz carburettor | ||
| bmep (brake mean effective pressure) | 1002.8 kPa (145.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 675.13 cc | ||
| Aspiration | S/Charged | ||
| Compressor | 1 Roots supercharger | ||
| Intercooler | |||
| 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 | 185 km/h (115 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 | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 4.00F x 17 | ||
| Wheel size rear | 4.00F x 17 | ||
| Tyres front | 7.00-17 | ||
| Tyres rear | 7.00-17 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.08 | ||
| general | |||
| Carfolio.com ID | 527582 | ||
| Production total | |||
| Model code | |||
| Model family | W 29 | ||
| RAC rating | 38.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1938 Mercedes-Benz 540 K Cabriolet A added 2017-08-09. Last modified 2020-03-16. |
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