The S 250 CDI BlueEFFICIENCY is a rear wheel drive saloon (sedan) automobile with a front mounted engine, manufactured by Mercedes-Benz.
It forms part of Mercedes-Benz's W 221 series of cars.
Its 2.1 litre engine is a turbocharged, double overhead camshaft, 4 cylinder unit that develops 201 bhp (204 PS/150 kW) of power at 4200 rpm, and maximum torque of 500 N·m (369 lb·ft/51 kgm) at 1600-1800 rpm.
The engine delivers its power through to the wheels by means of a 7 speed automatic gearbox.
The stated weight at the kerb is 1970 kg.
Top stated speed is 240 km/h, or 149 mph, manufacturer claimed fuel consumption is 7.0/5.0/5.7 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 149.0 g/km.
Full specs
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| Carrocería | |||
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| Carrocería | 4/5 seater sedan/saloon | ||
| Número de puertas | 4 | ||
| diseñado por | |||
| Dimensiones y pesos | |||
| Distancia entre ejes | 3035 | 119.5 | |
| Vía delantera | 1600 | 63 | |
| Vía trasera | 1606 | 63.2 | |
| Longitud | 5096 | 200.6 | |
| Ancho | 1871 | 73.7 | |
| Altura | 1479 | 58.2 | |
| Despeje del suelo | |||
| Relación Largo:Dist.entre ejes | 1.68 | ||
| Peso en vacío | 1970 kg | 4343 | |
| Distribución del peso (% adelante) | |||
| Capacità serbatoio | 83 litres | 18.3 [21.9] UK [US] gal. | |
| Aerodinámica | |||
| Coeficiente de penetración | 0.26 | ||
| Superficie frontal | |||
| SCx | |||
| Tren motriz | |||
| turbocharged diesel | |||
| Fabricante del motor | Mercedes-Benz | ||
| Código de motor | |||
| Número de cilindros | Straight 4 | ||
| Cilindrada | 2.1 litre 2143 cc (130.774 cu in) |
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| Diámetro × Carrera | 83 × 99 mm
3.27 × 3.9 in |
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| Relación diámetro/carrera | 0.84 | ||
| Distribución | double overhead camshaft (DOHC)
4 válvulas por cilindro 16 Total de válvulas |
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| Potencia nominal | 204 PS (201 bhp) (150 kW) a 4200 rpm |
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| Par motor máximo | 500 Nm (369 ft·lb) (51 kgm) a 1600-1800 rpm |
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| Potencia específica | 69.9 kW/litre 95.1 ps/litre 93.8 bhp/litre 1.54 bhp/cu in |
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233.32 Nm/litre
2.82 ft·lb/cu3 |
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| Materiales de block / culata | |||
| Lubricación | Cárter húmedo | ||
| Relación de compresión | 16.2:1 | ||
| Alimentación | common rail direct diesel injection | ||
| 2932 kPa (425.2 psi) | |||
| Maximum RPM | |||
| Casquillos de cigüeñal | |||
| Engine coolant | Water | ||
| 535.75 cc | |||
| Aspiración | Turbo D. | ||
| Compresor | |||
| intercooler | |||
| catalizador | Y | ||
| Rendimiento | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 8.2 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Velocidad máxima | 240 km/h (149 mph) | ||
| Power-to-weight ratio | Higher is better 103.45 PS/tonne (1000 kg) 0.1 PS/kg 76.08 kW/tonne (1000 kg) 0.08 kW/kg 102.03 bhp/tonne (1000 kg) 0.1 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 13.14 kg/kW 21.95 lb/bhp |
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| Consumos | |||
| Consumo de combustible | 7.0/5.0/5.7 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 7.0/5.0/5.7 l/100km urban/extra-urban/combined | ||
| km/litre | 14.3/20.0/17.5 km/l urban/extra-urban/combined | ||
| UK MPG | 40.4/56.5/49.6 UK MPG urban/extra-urban/combined | ||
| US MPG | 33.6/47.0/41.3 US MPG urban/extra-urban/combined | ||
| Emisiones de CO2 | 149.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | F | ||
| CO2 Effizienz (DE) | A | ||
| Chasis | |||
| Ubicación del motor | front | ||
| Engine layout | longitudinal | ||
| Tracción | rear wheel drive | ||
| Alimentación | N/A | ||
| Dirección, tipo | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspensión delantera | |||
| Suspensión trasera | |||
| Ruedas delante | 8J x 17 ET 43 | ||
| Ruedas detrás | 8J x 17 ET 43 | ||
| Neumáticos delante | 235/55 R 17 | ||
| Neumáticos detrás | 235/55 R 17 | ||
| Brakes F/R | VeDi/Di-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Transmisión | 7 speed automatic | ||
| Eje trasero desmultiplicación | 0.73 | ||
| Desmultiplicación grupo cónico | 2.82 | ||
| General | |||
| Carfolio.com ID | 219494 | ||
| Unidades producidas | |||
| Model code | |||
| W 221 | |||
| RAC rating | 17.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2010 Mercedes-Benz S 250 CDI BlueEFFICIENCY added 2010-09-23. Last modified 2013-02-28. |
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