The SL 320 is a rear wheel drive Bruno Sacco designed convertible/cabriolet car with a front located engine, sold by Mercedes-Benz.
The Mercedes-Benz SL 320 belongs to the R 129 model family from Mercedes-Benz.
The 6 cylinder, single overhead camshaft naturally aspirated powerplant has 3 valves per cylinder and a capacity of 3.2 litres. For this model it musters power and torque figures of 221 bhp (224 PS/165 kW) at 5600 rpm and 315 Nm (232 lbft/32.1 kgm) at 3000-4800 rpm respectively.
The engine delivers its power through to the wheels via a 5 speed automatic gearbox.
Quoted kerb weight is 1830 kg.
Maximum speed claimed is 238 km/h (148 mph), officially stated fuel consumption is 16.3/8.8/11.5 l/100km urban/extra-urban/combined.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | Bruno Sacco | ||
| dimensions & weights | |||
| Wheelbase | 2515 mm | 99 inches | |
| Track/tread (front) | 1535 mm | 60.4 inches | |
| Track/tread (rear) | 1523 mm | 60 inches | |
| Length | 4499 mm | 177.1 inches | |
| Width | 1809 mm | 71.2 inches | |
| Height | 1290 mm | 50.8 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.79 | ||
| Kerb weight | 1830 kg | 4034 lb | |
| Weight distribution | |||
| fuel tank capacity | 80 litres | 17.6 [21.1] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.32 | ||
| Frontal area | 2.00 m² | ||
| CdA | 0.64 | ||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | M 112 E 32 / 112.943 | ||
| Cylinders | V 6 in 90° vee | ||
| Capacity | 3.2 litre 3199 cc (195.215 cu in) |
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| Bore × Stroke | 89.9 × 84 mm
3.54 × 3.31 in |
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| Bore/stroke ratio | 1.07 | ||
| Valve gear | single overhead camshaft (SOHC)
3 valves per cylinder 18 valves in total |
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| maximum power output (DIN) |
224 PS (221 bhp) (165 kW) at 5600 rpm |
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| maximum torque (DIN) |
315 Nm (232 ft·lb) (32.1 kgm) at 3000-4800 rpm |
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| Specific output (DIN) |
51.5 kW/litre 70 ps/litre 69.1 bhp/litre 1.13 bhp/cu in |
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| Specific torque (DIN) |
98.47 Nm/litre
1.19 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.1:1 | ||
| Fuel system | Bosch ME fuel ijection | ||
| bmep (brake mean effective pressure) | 1237.4 kPa (179.5 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 4 | ||
| Engine coolant | Water | ||
| Unitary capacity | 533.17 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 8.4 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 238 km/h (148 mph) | ||
| Power-to-weight ratio | Higher is better 122.44 PS/tonne (1000 kg) 0.12 PS/kg 90.05 kW/tonne (1000 kg) 0.09 kW/kg 120.77 bhp/tonne (1000 kg) 0.12 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 11.1 kg/kW 18.55 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 16.3/8.8/11.5 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 16.3/8.8/11.5 l/100km urban/extra-urban/combined | ||
| km/litre | 6.1/11.4/8.7 km/l urban/extra-urban/combined | ||
| UK MPG | 17.3/32.1/24.6 UK MPG urban/extra-urban/combined | ||
| US MPG | 14.4/26.7/20.5 US MPG urban/extra-urban/combined | ||
| 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 | 11.30 m | ||
| Front suspension | I.W.CS.ARB. | ||
| Rear suspension | I.MultiLi.CS.ARB. | ||
| Wheel size front | 8½J x 17 H2 | ||
| Wheel size rear | 8½J x 17 H2 | ||
| Tyres front | 245/45 R 17 W | ||
| Tyres rear | 245/45 R 17 W | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 300 mm | ||
| Rear brake diameter | 290 mm | ||
| Braked area | |||
| Gearbox | 5 speed automatic | ||
| Top gear ratio | 0.83 | ||
| Final drive ratio | 3.45 | ||
| general | |||
| Carfolio.com ID | 78848 | ||
| Production total | 7070 | ||
| Model code | R 129 E 32 | ||
| Model family | R 129 | ||
| RAC rating | 30.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1998 Mercedes-Benz SL 320 (2001) added 2001-03-19. Last modified 2013-06-19. |
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