This automobile has a 2 door convertible/cabriolet body style with a front located engine supplying power to the rear wheels.
The SL 350 BlueEFFICIENCY forms part of Mercedes-Benz's R 231 model range.
Power is supplied by a double overhead camshaft, 3.5 litre naturally aspirated 6 cylinder powerplant, with 4 valves per cylinder that produces power and torque figures of 302 bhp (306 PS/225 kW) at 6500 rpm and 370 N·m (273 lb·ft/37.7 kgm) at 3500-5250 rpm respectively.
The engine delivers its power through to the wheels via a 7 speed automatic transmission.
The Mercedes-Benz SL 350 BlueEFFICIENCY weighs a claimed 1685 kg at the kerb.
Maximum stated speed is 250 km/h (155 mph), official fuel consumption figures are 9.3/5.4/6.8 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 159.0 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) | 1608 mm | 63.3 inches | |
| Track/tread (rear) | 1635 mm | 64.4 inches | |
| Length | 4612 mm | 181.6 inches | |
| Width | 1877 mm | 73.9 inches | |
| Height | 1314 mm | 51.7 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.78 | ||
| Kerb weight | 1685 kg | 3715 lb | |
| Weight distribution | |||
| fuel tank capacity | 65 litres | 14.3 [17.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.27 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | |||
| Cylinders | V 6 in 60° vee | ||
| Capacity | 3.5 litre 3498 cc (213.461 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 24 valves in total |
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| maximum power output | 306 PS (302 bhp) (225 kW) at 6500 rpm |
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| maximum torque | 370 Nm (273 ft·lb) (37.7 kgm) at 3500-5250 rpm |
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| Specific output | 64.4 kW/litre 87.5 ps/litre 86.3 bhp/litre 1.41 bhp/cu in |
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| Specific torque |
105.77 Nm/litre
1.28 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 12:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1329.2 kPa (192.8 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 583 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 5.9 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 181.72 PS/tonne (1000 kg) 0.18 PS/kg 133.65 kW/tonne (1000 kg) 0.13 kW/kg 179.23 bhp/tonne (1000 kg) 0.18 bhp/kg 0.08 bhp/lb |
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| Weight-to-power ratio | Lower is better 7.48 kg/kW 12.5 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 9.3/5.4/6.8 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 9.3/5.4/6.8 l/100km urban/extra-urban/combined | ||
| km/litre | 10.8/18.5/14.7 km/l urban/extra-urban/combined | ||
| UK MPG | 30.4/52.3/41.5 UK MPG urban/extra-urban/combined | ||
| US MPG | 25.3/43.6/34.6 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 159.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | G | ||
| CO2 Effizienz (DE) | C | ||
| 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 | 8J x 17 | ||
| Wheel size rear | 8J x 17 | ||
| Tyres front | 255/45 R 17 | ||
| Tyres rear | 255/45 R 17 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 342 mm | ||
| Rear brake diameter | 320 mm | ||
| Braked area | |||
| Gearbox | 7 speed automatic | ||
| Top gear ratio | 0.73 | ||
| Final drive ratio | 3.07 | ||
| general | |||
| Carfolio.com ID | 267729 | ||
| Production total | |||
| Model code | 231457 | ||
| Model family | R 231 | ||
| RAC rating | 32.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2012 Mercedes-Benz SL 350 BlueEFFICIENCY added 2012-03-12. Last modified 2020-02-02. |
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