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

Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) General information
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
Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) 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
Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) 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.
Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) 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
Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) Transmission
Wheel Drive : Rear wheel drive
Number of Gears (automatic transmission) : 7
Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) 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
Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) Tyres / Wheels
Tire size : 235/55 R17
Wheel rims size : 8Jx17

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Mercedes-Benz S-class Long (W221) modifications


Mercedes-Benz S-class models