The Mercedes-Benz SL 73 AMG is a 2 door convertible/cabriolet style car styled by Bruno Sacco with a front positioned engine powering the rear wheels.
The Mercedes-Benz SL 73 AMG belongs to the R 129 model family from Mercedes-Benz.
The 12 cylinder, double overhead camshaft naturally aspirated powerplant has 4 valves per cylinder and a volume of 7.3 litres. For this model it musters power and torque figures of 517.5 bhp (525 PS/386 kW) at 5500 rpm and 750 Nm (553 lbft/76.5 kgm) at 4000 rpm respectively.
The engine transfers its power through to the wheels via a 5 speed automatic transmission.
The Mercedes-Benz SL 73 AMG weighs a quoted 2050 kg at the kerb.
Top quoted speed is 250 km/h (155 mph), officially quoted fuel consumption is 24.5/11.4/15.9 l/100km urban/extra-urban/combined.
Full specs
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| bodywork | |||
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| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | Bruno Sacco | ||
| dimensions & weights | |||
| Wheelbase | 2515 mm | 99 inches | |
| Track/tread (front) | 1553 mm | 61.1 inches | |
| Track/tread (rear) | 1541 mm | 60.7 inches | |
| Length | 4499 mm | 177.1 inches | |
| Width | 1812 mm | 71.3 inches | |
| Height | 1275 mm | 50.2 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.79 | ||
| Kerb weight | 2050 kg | 4519 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 120 E 73 / 120.990 | ||
| Cylinders | V 12 in 60° vee | ||
| Capacity | 7.3 litre 7291 cc (444.924 cu in) |
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| Bore × Stroke | 91.5 × 92.4 mm
3.6 × 3.64 in |
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| Bore/stroke ratio | 0.99 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 48 valves in total |
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| maximum power output (DIN) |
525 PS (517.5 bhp) (386 kW) at 5500 rpm |
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| maximum torque (DIN) |
750 Nm (553 ft·lb) (76.5 kgm) at 4000 rpm |
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| Specific output (DIN) |
52.9 kW/litre 72 ps/litre 71 bhp/litre 1.16 bhp/cu in |
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| Specific torque (DIN) |
102.87 Nm/litre
1.24 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 10.5:1 | ||
| Fuel system | Bosch HFM fuel injection | ||
| bmep (brake mean effective pressure) | 1292.7 kPa (187.5 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 607.58 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 4.8 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 255.95 PS/tonne (1000 kg) 0.26 PS/kg 188.24 kW/tonne (1000 kg) 0.19 kW/kg 252.44 bhp/tonne (1000 kg) 0.25 bhp/kg 0.11 bhp/lb |
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| Weight-to-power ratio | Lower is better 5.31 kg/kW 8.87 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 24.5/11.4/15.9 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 24.5/11.4/15.9 l/100km urban/extra-urban/combined | ||
| km/litre | 4.1/8.8/6.3 km/l urban/extra-urban/combined | ||
| UK MPG | 11.5/24.8/17.8 UK MPG urban/extra-urban/combined | ||
| US MPG | 9.6/20.6/14.8 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 | 3.000 | ||
| Turning circle | 11.30 m | ||
| Front suspension | I.W.CS.ARB. | ||
| Rear suspension | I.MultiLi.CS.ARB. | ||
| Wheel size front | 8.5J x 18 H 2 | ||
| Wheel size rear | 9.5J x 18 H 2 | ||
| Tyres front | 245/40 ZR 18 | ||
| Tyres rear | 275/35 ZR 18 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 334 mm | ||
| Rear brake diameter | 300 mm | ||
| Braked area | |||
| Gearbox | 5 speed automatic | ||
| Top gear ratio | 0.83 | ||
| Final drive ratio | 2.65 | ||
| general | |||
| Carfolio.com ID | 78650 | ||
| Production total | |||
| Model code | R 129 E 73 | ||
| Model family | R 129 | ||
| RAC rating | 62.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1999 Mercedes-Benz SL 73 AMG added 2001-03-19. Last modified 2020-04-15. |
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