The 420 SE is a rear wheel drive Bruno Sacco designed sedan/saloon motor car with a front mounted engine, manufactured by Mercedes-Benz.
The Mercedes-Benz 420 SE belongs to the W 126 range of cars from Mercedes-Benz.
It's powered courtesy of a naturally aspirated engine of 4.2 litre capacity. This unit features single overhead camshaft valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. It develops 201 bhp (204 PS/150 kW) of power at 5200 rpm, and maximum torque of 310 N·m (229 lb·ft/31.6 kgm) at 3600 rpm.
The power is supplied to the wheels via a 4 speed automatic gearbox.
Stated kerb weight is 1600 kg.
It is said to be able to achieve a top speed of 210 km/h (130 mph), official fuel consumption is 9.3/11.6/14.9 l/100km 90 km/h / 120 km/h / urban as per 80/1268/EEC.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | Bruno Sacco | ||
| dimensions & weights | |||
| Wheelbase | 2935 mm | 115.6 inches | |
| Track/tread (front) | 1555 mm | 61.2 inches | |
| Track/tread (rear) | 1527 mm | 60.1 inches | |
| Length | 5020 mm | 197.6 inches | |
| Width | 1820 mm | 71.7 inches | |
| Height | 1437 mm | 56.6 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.71 | ||
| Kerb weight | 1600 kg | 3527 lb | |
| Weight distribution | |||
| fuel tank capacity | 90 litres | 19.8 [23.8] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | M 116 E 42 / 116.965 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 4.2 litre 4196 cc (256.056 cu in) |
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| Bore × Stroke | 92 × 78.9 mm
3.62 × 3.11 in |
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| Bore/stroke ratio | 1.17 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 16 valves in total |
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| maximum power output | 204 PS (201 bhp) (150 kW) at 5200 rpm |
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| maximum torque | 310 Nm (229 ft·lb) (31.6 kgm) at 3600 rpm |
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| Specific output | 35.7 kW/litre 48.6 ps/litre 47.9 bhp/litre 0.78 bhp/cu in |
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| Specific torque |
73.88 Nm/litre
0.89 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10:1 | ||
| Fuel system | Bosch KE-Jetronic fuel injection | ||
| bmep (brake mean effective pressure) | 928.4 kPa (134.7 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 524.5 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 8.7 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 210 km/h (130 mph) | ||
| Power-to-weight ratio | Higher is better 127.37 PS/tonne (1000 kg) 0.13 PS/kg 93.68 kW/tonne (1000 kg) 0.09 kW/kg 125.63 bhp/tonne (1000 kg) 0.13 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 10.67 kg/kW 17.83 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 9.3/11.6/14.9 l/100km 90 km/h / 120 km/h / urban as per 80/1268/EEC | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 9.3/11.6/14.9 l/100km 90kmph/120kmph/urban | ||
| km/litre | 10.8/8.6/6.7 km/l 90kmph/120kmph/urban | ||
| UK MPG | 30.4/24.4/19.0 UK MPG 90kmph/120kmph/urban | ||
| US MPG | 25.3/20.3/15.8 US MPG 90kmph/120kmph/urban | ||
| 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 | 3.030 | ||
| Turning circle | |||
| Front suspension | I.DW.CS.ARB. | ||
| Rear suspension | I.STA.CS.ARB. | ||
| Wheel size front | 7J x 15 H 2 | ||
| Wheel size rear | 7J x 15 H 2 | ||
| Tyres front | 205/65 VR 15 | ||
| Tyres rear | 205/65 VR 15 | ||
| Brakes F/R | VeDi/Di-S-ABS | ||
| Front brake diameter | 300 mm | ||
| Rear brake diameter | 279 mm | ||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.47 | ||
| general | |||
| Carfolio.com ID | 194139 | ||
| Production total | |||
| Model code | W 126 E 42 | ||
| Model family | W 126 | ||
| RAC rating | 42.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1985 Mercedes-Benz 420 SE added 2009-01-22. Last modified 2013-06-19. |
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