Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) technical specifications and fuel economy
Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) has a combined fuel consumption of 9.4 l/100 km | 25.0 mpg US | 30.1 mpg UK urban fuel consumption of 13.0 l/100 km | 18.1 mpg US | 21.7 mpg UK extra urban fuel consumption of 7.2 l/100 km | 32.7 mpg US | 39.2 mpg UK Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) accelerates from 0 to 100 km/h in 6.0 sec. The maximum speed is 250 km/h | 155 mph.
Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) Technical information
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General information | |
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Brand : | Mercedes-Benz |
Model : | S-class |
Generation : | S-class Long (W221) |
Engine / modification : | S 420 CDI (320 Hp) |
Production start : | 2006 year |
Production end : | 2009 year |
Coupe type : | Sedan |
Num. of Doors : | 4 |
Num. of seats : | 5 |
Fuel economy (consumption) | |
Fuel consumption / economy - urban : | 13.0 l/100 km | 18.1 mpg US | 21.7 mpg UK |
Fuel consumption / economy - extra urban : | 7.2 l/100 km | 32.7 mpg US | 39.2 mpg UK |
Fuel consumption / economy - combined : | 9.4 l/100 km | 25.0 mpg US | 30.1 mpg UK |
Fuel Type : | Diesel |
Fuel tank volume : | 90 l | 23.8 US gallons | 19.8 UK gallons |
Emission standard : | EURO IV |
Performance | |
Power : | 320 hp | 235 kW |
Max power in : | 3600 rpm. |
Maximum speed : | 250 km/h | 155 mph |
Acceleration from 0 to 100 km/h : | 6.0 sec |
Torque : | 730 Nm/2200 rpm. |
Engine | |
Engine position : | Front, longitudinal |
Engine displacement : | 3996 cm3 |
Fuel System : | Diesel Commonrail |
Aspiration / Turbine : | Turbocharging |
Position of cylinders : | V engine |
Valvetrain : | DOHC |
Number of cylinders : | 8 |
Number of valves per cylinder : | 4 |
Compression ratio : | 18 |
Piston Stroke : | 86 mm |
Cylinder Bore : | 86 mm |
Transmission | |
Wheel Drive : | Rear wheel drive |
Number of Gears (automatic transmission) : | 7 |
Chassis | |
Length : | 5206 mm | 205.0 in |
Width : | 1871 mm | 73.7 in |
Height : | 1473 mm | 58.0 in |
Wheelbase : | 3165 mm | 124.6 in |
Front track : | 1600 mm | 63.0 in |
Rear (Back) track : | 1606 mm | 63.2 in |
Minimum volume of Luggage (trunk) : | 560 l |
Front suspension : | Pneumatic elastic element |
Rear suspension : | Pneumatic elastic element |
Max weight : | 2580 kg | 5688 lbs |
Front brakes : | Ventilated discs |
Rear brakes : | Disc |
Kerb Weight : | 2000 kg | 4409 lbs |
ABS : | yes |
Steering type : | Steering rack and pinion |
Tyres / Wheels | |
Tire size : | 235/55 R17 |
Wheel rims size : | 8Jx17 |
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