The 190 SL is a rear wheel drive Karl Wilfert and Walter Häcker designed convertible/cabriolet road car with a front positioned engine, sold by Mercedes-Benz.
The Mercedes-Benz 190 SL belongs to the W 121 range of cars from Mercedes-Benz.
The power is produced by a naturally aspirated engine of 1.9 litre capacity. This unit features single overhead camshaft valve gear, 4 cylinder layout, and 2 valves per cylinder. It develops 104 bhp (105 PS/78 kW) of power at 5800 rpm, and maximum torque of 155 N·m (114 lb·ft/15.8 kgm) at 3800 rpm.
The power is delivered to the wheels by means of a 4 speed manual gearbox.
The claimed kerb weight is 1140 kg.
Maximum speed stated is 172 km/h or 107 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | Karl Wilfert and Walter Häcker | ||
| dimensions & weights | |||
| Wheelbase | 2400 mm | 94.5 inches | |
| Track/tread (front) | 1430 mm | 56.3 inches | |
| Track/tread (rear) | 1475 mm | 58.1 inches | |
| Length | 4290 mm | 168.9 inches | |
| Width | 1740 mm | 68.5 inches | |
| Height | 1320 mm | 52 inches | |
| Ground clearance | 156 mm | 6.1 inches | |
| length:wheelbase ratio | 1.79 | ||
| Kerb weight | 1140 kg | 2513 lb | |
| Weight distribution | |||
| fuel tank capacity | 65 litres | 14.3 [17.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | M 121 B II | ||
| Cylinders | Straight 4 | ||
| Capacity | 1.9 litre 1897 cc (115.762 cu in) |
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| Bore × Stroke | 85 × 83.58 mm
3.35 × 3.29 in |
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| Bore/stroke ratio | 1.02 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 8 valves in total |
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| maximum power output (Net) |
105 PS (104 bhp) (78 kW) at 5800 rpm |
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| maximum torque (Net) |
155 Nm (114 ft·lb) (15.8 kgm) at 3800 rpm |
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| Specific output (Net) |
40.9 kW/litre 55.6 ps/litre 54.8 bhp/litre 0.9 bhp/cu in |
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| Specific torque (Net) |
81.71 Nm/litre
0.99 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8.8:1 | ||
| Fuel system | 2 Solex 44 PHH carburettors | ||
| bmep (brake mean effective pressure) | 1026.8 kPa (148.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 3 | ||
| Engine coolant | Water | ||
| Unitary capacity | 474.25 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 13.3 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | 17.8 s | ||
| Standing kilometre | |||
| Maximum speed | 172 km/h (107 mph) | ||
| Power-to-weight ratio | Higher is better 92.5 PS/tonne (1000 kg) 0.09 PS/kg 68.03 kW/tonne (1000 kg) 0.07 kW/kg 91.23 bhp/tonne (1000 kg) 0.09 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 14.7 kg/kW 24.55 lb/bhp |
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| 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 | |||
| turns lock-to-lock | 3.500 | ||
| Turning circle | 11.00 m | ||
| Front suspension | I.CS. | ||
| Rear suspension | I.CS. | ||
| Wheel size front | 5K x 13 | ||
| Wheel size rear | 5K x 13 | ||
| Tyres front | 6.40-13 | ||
| Tyres rear | 6.40-13 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | 230 mm | ||
| Rear brake diameter | 230 mm | ||
| Braked area | 1768 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.90 | ||
| general | |||
| Carfolio.com ID | 61908 | ||
| Production total | |||
| Model code | |||
| Model family | W 121 | ||
| RAC rating | 17.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1954 Mercedes-Benz 190 SL added before December 1995. Last modified 2013-02-28. |
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