The SL 500 BlueEFFICIENCY is a rear wheel drive convertible/cabriolet motor car with a front mounted engine, manufactured by Mercedes-Benz.
The SL 500 BlueEFFICIENCY is part of Mercedes-Benz's R 231 model series.
The power is produced by a turbocharged engine of 4.7 litre capacity. This unit features double overhead camshaft valve gear, a 90 degree V 8 cylinder layout, and 4 valves per cylinder. It develops 429 bhp (435 PS/320 kW) of power at 5250 rpm, and maximum torque of 700 N·m (516 lb·ft/71.4 kgm) at 1800-3500 rpm.
The engine powers the wheels via a 7 speed automatic gearbox.
The claimed weight at the kerb is 1785 kg.
Maximum quoted speed is 250 km/h (155 mph), officially stated fuel consumption is 12.7/7.0/9.1 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 212.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2585 mm | 101.8 inches | |
| Track/tread (front) | 1597 mm | 62.9 inches | |
| Track/tread (rear) | 1600 mm | 63 inches | |
| Length | 4612 mm | 181.6 inches | |
| Width | 1877 mm | 73.9 inches | |
| Height | 1315 mm | 51.8 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.78 | ||
| Kerb weight | 1785 kg | 3935 lb | |
| Weight distribution | |||
| fuel tank capacity | 65 litres | 14.3 [17.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.29 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 4.7 litre 4663 cc (284.554 cu in) |
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| Bore × Stroke | 92.9 × 86 mm
3.66 × 3.39 in |
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| Bore/stroke ratio | 1.08 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 32 valves in total |
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| maximum power output | 435 PS (429 bhp) (320 kW) at 5250 rpm |
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| maximum torque | 700 Nm (516 ft·lb) (71.4 kgm) at 1800-3500 rpm |
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| Specific output | 68.6 kW/litre 93.3 ps/litre 92 bhp/litre 1.51 bhp/cu in |
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| Specific torque |
150.12 Nm/litre
1.81 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.5:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1886.4 kPa (273.6 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 582.88 cc | ||
| Aspiration | Turbo | ||
| Compressor | 2 turbochargers | ||
| Intercooler | Y | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 4.6 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 243.68 PS/tonne (1000 kg) 0.24 PS/kg 179.22 kW/tonne (1000 kg) 0.18 kW/kg 240.34 bhp/tonne (1000 kg) 0.24 bhp/kg 0.11 bhp/lb |
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| Weight-to-power ratio | Lower is better 5.58 kg/kW 9.32 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 12.7/7.0/9.1 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 12.7/7.0/9.1 l/100km urban/extra-urban/combined | ||
| km/litre | 7.9/14.3/11.0 km/l urban/extra-urban/combined | ||
| UK MPG | 22.2/40.4/31.0 UK MPG urban/extra-urban/combined | ||
| US MPG | 18.5/33.6/25.8 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 212.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | K | ||
| CO2 Effizienz (DE) | E | ||
| 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 | I.MultiLi.CS.ARB. | ||
| Rear suspension | I.MultiLi.CS.ARB. | ||
| Wheel size front | 8½J x 18 ET35.5 | ||
| Wheel size rear | 9½J x 18 ET47.5 | ||
| Tyres front | 255/40 R 18 | ||
| Tyres rear | 285/35 R 18 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 360 mm | ||
| Rear brake diameter | 320 mm | ||
| Braked area | |||
| Gearbox | 7 speed automatic | ||
| Top gear ratio | 0.73 | ||
| Final drive ratio | 2.65 | ||
| general | |||
| Carfolio.com ID | 267718 | ||
| Production total | |||
| Model code | 231473 | ||
| Model family | R 231 | ||
| RAC rating | 42.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2012 Mercedes-Benz SL 500 BlueEFFICIENCY added 2012-03-12. Last modified 2020-02-02. |
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