The Mercedes-Benz S 420 CDI LWB is a saloon (sedan) with 4 doors and a front mounted engine which transmits its power to the rear wheels.
The Mercedes-Benz S 420 CDI LWB is one of the V 221 model family from Mercedes-Benz.
The Mercedes-Benz S 420 CDI LWB's engine is a turbocharged diesel, 4 litre, double overhead camshaft 8 cylinder with 4 valves per cylinder. It develops 316 bhp (320 PS/236 kW) of power at 3600 rpm, and maximum torque of 730 N·m (538 lb·ft/74.4 kgm) at 2200 rpm.
Power is delivered to the wheels through a 7 speed automatic gearbox.
Stated weight at the kerb is 2140 kg.
Its maximum speed quoted is 250 km/h (155 mph), stated fuel consumption is 13.0/7.2/9.4 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 247.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3165 mm | 124.6 inches | |
| Track/tread (front) | 1604 mm | 63.1 inches | |
| Track/tread (rear) | 1606 mm | 63.2 inches | |
| Length | 5206 mm | 205 inches | |
| Width | 1871 mm | 73.7 inches | |
| Height | 1473 mm | 58 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.64 | ||
| Kerb weight | 2140 kg | 4718 lb | |
| Weight distribution | |||
| fuel tank capacity | 90 litres | 19.8 [23.8] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.27 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged diesel | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | |||
| Cylinders | V 8 | ||
| Capacity | 4 litre 3996 cc (243.851 cu in) |
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| Bore × Stroke | 86 × 86 mm
3.39 × 3.39 in |
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| Bore/stroke ratio | 1 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 32 valves in total |
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| maximum power output | 320 PS (316 bhp) (236 kW) at 3600 rpm |
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| maximum torque | 730 Nm (538 ft·lb) (74.4 kgm) at 2200 rpm |
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| Specific output | 59 kW/litre 80.2 ps/litre 79.1 bhp/litre 1.3 bhp/cu in |
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| Specific torque |
182.68 Nm/litre
2.21 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 17:1 | ||
| Fuel system | common rail direct diesel injection | ||
| bmep (brake mean effective pressure) | 2295.7 kPa (333 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 499.5 cc | ||
| Aspiration | Turbo D. | ||
| Compressor | |||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 6.6 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 149.72 PS/tonne (1000 kg) 0.15 PS/kg 110.11 kW/tonne (1000 kg) 0.11 kW/kg 147.66 bhp/tonne (1000 kg) 0.15 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 9.08 kg/kW 15.17 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 13.0/7.2/9.4 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 13.0/7.2/9.4 l/100km urban/extra-urban/combined | ||
| km/litre | 7.7/13.9/10.6 km/l urban/extra-urban/combined | ||
| UK MPG | 21.7/39.2/30.1 UK MPG urban/extra-urban/combined | ||
| US MPG | 18.1/32.7/25.0 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 247.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | L | ||
| 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 | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 235/55 R 17 | ||
| Tyres rear | 235/55 R 17 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 7 speed automatic | ||
| Top gear ratio | 0.73 | ||
| Final drive ratio | 2.65 | ||
| general | |||
| Carfolio.com ID | 150348 | ||
| Production total | |||
| Model code | |||
| Model family | V 221 | ||
| RAC rating | 36.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2006 Mercedes-Benz S 420 CDI LWB added 2006-12-06. Last modified 2013-02-28. |
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