The Mercedes-Benz SLR McLaren Roadster 722 S is a 2 door convertible/cabriolet-bodied car with a front positioned engine driving through the rear wheels.
The SLR McLaren Roadster 722 S is part of Mercedes-Benz's R 199 range of cars.
The 8 cylinder, single overhead camshaft supercharged engine has 3 valves per cylinder and a capacity of 5.4 litres. In this application it musters power and torque figures of 641 bhp (650 PS/478 kW) at 6500 rpm and 820 Nm (605 lbft/83.6 kgm) at 4000 rpm respectively.
A 5 speed automatic 'box delivers the power to the wheels.
The Mercedes-Benz SLR McLaren Roadster 722 S is said to be able to attain a maxiumum speed of 335 km/h (208 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 | 2700 mm | 106.3 inches | |
| Track/tread (front) | 1638 mm | 64.5 inches | |
| Track/tread (rear) | 1569 mm | 61.8 inches | |
| Length | 4656 mm | 183.3 inches | |
| Width | 1908 mm | 75.1 inches | |
| Height | 1271 mm | 50 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.72 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 97 litres | 21.3 [25.6] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | supercharged petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | M 155 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5.4 litre 5439 cc (331.908 cu in) |
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| Bore × Stroke | 97 × 92 mm
3.82 × 3.62 in |
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| Bore/stroke ratio | 1.05 | ||
| Valve gear | single overhead camshaft (SOHC)
3 valves per cylinder 24 valves in total |
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| maximum power output | 650 PS (641 bhp) (478 kW) at 6500 rpm |
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| maximum torque | 820 Nm (605 ft·lb) (83.6 kgm) at 4000 rpm |
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| Specific output | 87.9 kW/litre 119.5 ps/litre 117.9 bhp/litre 1.93 bhp/cu in |
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| Specific torque |
150.76 Nm/litre
1.82 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 8.8:1 | ||
| Fuel system | EFi | ||
| bmep (brake mean effective pressure) | 1894.5 kPa (274.8 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 679.88 cc | ||
| Aspiration | S/Charged | ||
| Compressor | 1 Lysholm-type twin screw supercharger | ||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 3.7 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 335 km/h (208 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 | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | I.DW. | ||
| Rear suspension | I.DW. | ||
| Wheel size front | 9.0J x 19 | ||
| Wheel size rear | 11½J x 19 | ||
| Tyres front | 255/35 ZR 19 96Y | ||
| Tyres rear | 295/30 ZR 19 100Y | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 5 speed automatic | ||
| Top gear ratio | 0.83 | ||
| Final drive ratio | 3.17 | ||
| general | |||
| Carfolio.com ID | 254760 | ||
| Production total | 150 | ||
| Model code | 199.476 | ||
| Model family | R 199 | ||
| RAC rating | 46.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2008 Mercedes-Benz SLR McLaren Roadster 722 S added 2011-08-30. Last modified 2020-02-02. |
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