This vehicle has a 4 door saloon (sedan) type body designed by Bruno Sacco with a front located engine powering the rear wheels.
The Mercedes-Benz 420 SE belongs to the W 126 model family from Mercedes-Benz.
Power is supplied by a single overhead camshaft, 4.2 litre naturally aspirated 8 cylinder powerplant, with 2 valves per cylinder that develops power and torque figures of 228 bhp (231 PS/170 kW) at 5400 rpm and 335 N·m (247 lb·ft/34.2 kgm) at 4000 rpm respectively.
The power is transmitted to the wheels via a 4 speed automatic gearbox.
It weighs a claimed 1640 kg at the kerb.
Its maximum speed quoted is 222 km/h (138 mph), officially quoted fuel consumption is 8.7/10.7/15.1 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 | 1640 kg | 3616 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 | 231 PS (228 bhp) (170 kW) at 5400 rpm |
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| maximum torque | 335 Nm (247 ft·lb) (34.2 kgm) at 4000 rpm |
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| Specific output | 40.5 kW/litre 55.1 ps/litre 54.3 bhp/litre 0.89 bhp/cu in |
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| Specific torque |
79.84 Nm/litre
0.96 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) | 1003.3 kPa (145.5 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 524.5 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 8.2 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 222 km/h (138 mph) | ||
| Power-to-weight ratio | Higher is better 140.96 PS/tonne (1000 kg) 0.14 PS/kg 103.67 kW/tonne (1000 kg) 0.1 kW/kg 139.02 bhp/tonne (1000 kg) 0.14 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 9.65 kg/kW 16.11 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 8.7/10.7/15.1 l/100km 90 km/h / 120 km/h / urban as per 80/1268/EEC | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 8.7/10.7/15.1 l/100km 90kmph/120kmph/urban | ||
| km/litre | 11.5/9.3/6.6 km/l 90kmph/120kmph/urban | ||
| UK MPG | 32.5/26.4/18.7 UK MPG 90kmph/120kmph/urban | ||
| US MPG | 27.0/22.0/15.6 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 | 7414 | ||
| 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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1987 Mercedes-Benz 420 SE added before December 1995. Last modified 2013-06-19. |
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