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Mercedes Benz W221 Class S 420 CDI (2006)

Mercedes Benz W221 Class S 450 CDI (2010)

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Engine Technical Data

Engine type - Number of cylinders

V 8

Engine Code

Fuel type

Diesel

Fuel System

Common Rail

Lubrication

Engine Cooling

Engine Alignment

Longitudinal

Engine Position

Front

Engine displacement

243.9 cu-in / 3996 cm³

Bore

3.27 inches
83.0 mm

3.39 inches
86 mm

Stroke

3.62 inches
92.0 mm

3.39 inches
86 mm

Number of valves

Aspiration

TGV + Intercooler

Turbo (TGV) + Intercooler

Compression Ratio

17.7

Max. RPM

Total System Power

Total System Torque

Horsepower

316 HP / 320 PS / 235 kW @ 3600 rpm

Maximum torque

538 lb-ft / 730 Nm @ 2200 rpm

Total electric power

Total electric torque

Number of electric engines

Electric engine #1 type

Electric engine #1 Power

Electric engine #1 Torque

Electric engine #2 type

Electric engine #2 Power

Electric engine #2 Torque

Electric engine #3 type

Electric engine #3 Power

Electric engine #3 Torque

Electric engine #4 type

Electric engine #4 Power

Electric engine #4 Torque

Drive wheels - Traction - Drivetrain

RWD

Transmission Gearbox - Number of speeds

Clutch Type

Automatic

Size, Dimensions, Aerodynamics and Weight

Body

Sedan

Num. of Doors

Num. of Seats

Seat distribution

Front legroom

Rear seat legroom

Third row legroom

Front shoulder room

Rear shoulder room

Third row shoulder room

Front head room

Rear head room

Third row head room

Wheelbase

119.49 inches / 303.5 cm

Length

199.84 inches / 507.6 cm

200.63 inches / 509.6 cm

Width

73.66 inches / 187.1 cm

Width with mirrors

Height

57.99 inches / 147.3 cm

58.23 inches / 147.9 cm

Front Axle

Rear Axle

Ground clearance

Cargo box inside length

Cargo box inside height

Cargo width

Max. width at wheelhouse

Loading height

Rear door width

Rear door height

Side door width

Side door height

Approach angle (deg)

Breakover (Rampover) angle (deg)

Departure angle (deg)

Aerodynamic drag coefficient - Cx

0.27

Front Brakes - Disc dimensions

Vented Discs

Vented Discs (13.78 inches / 350 mm)

Rear Brakes - Disc dimensions

Discs

Vented Discs (12.6 inches / 320 mm)

Front Tyres - Rims dimensions

235/55 R17

255/45 R18

Rear Tyres - Rims dimensions

235/55 R17

255/45 R18

Front Wheels Width

Rear Wheels Width

Curb Weight

4387 lbs / 1990 kg

4608 lbs / 2090 kg

Dry Weight

Max. Towing Capacity Weight

Weight/Power Output Ratio

6.22 Kg/hp

6.53 Kg/hp

Frunk

Trunk / Boot capacity

19.8 cu-ft / 560 L

Trunk / Boot First Row

Trunk / Boot Second Row

Trunk / Boot Third Row

Steering

Turning circle

Steering wheel lock-to-lock

Front Suspension

Independent. Pneumatic. Anti-roll bar.

Rear Suspension

Independent. Pneumatic. Anti-roll bar.

Top Speed

155 Mph / 250 km/h

Acceleration 0 to 60 mph (0 to 96 Km/h)

Acceleration 0 to 100 km/h (0 to 62 mph)

6.0 s

6.6 s

Acceleration 0 to 200 km/h (0 to 124 mph)

Acceleration 0 to 400m (1/4 quarter mile)

Acceleration 0 to 1000m

EU driving noise

Fuel Consumption (Economy), Emissions and Range

Fuel Consumption - Economy - Combined

Fuel Consumption - Economy - Open road

Fuel Consumption - Economy - Highway

Fuel Consumption - Economy - City

Fuel Consumption - Economy - City NEDC

18 MPG
13 L/100 km
22 MPG UK

Fuel Consumption - Economy - Open road NEDC

33 MPG
7.2 L/100 km
39 MPG UK

34 MPG
6.9 L/100 km
41 MPG UK

Fuel Consumption - Economy - Combined NEDC

25 MPG
9.4 L/100 km
30 MPG UK

26 MPG
9.1 L/100 km
31 MPG UK

Fuel Consumption - Economy - Low WLTP

Fuel Consumption - Economy - Medium WLTP

Fuel Consumption - Economy - High WLTP

Fuel Consumption - Economy - Extra high WLTP

Fuel Consumption - Economy - Combined WLTP

Fuel Consumption - Economy - EPA

Battery Type

Charging Information

Battery capacity

Charging Time

Range

Range WLTP

Electric Range EPA

Electric Range NEDC

Electric Range WLTP

Average energy consumption

Average energy consumption WLTP

Charging Time

Fast Charging Time

Fuel Tank Capacity

23.8 gallons
90 L
19.8 UK gallons

21.9 gallons
83 L
18.3 UK gallons

AdBlue Tank

CO2 emissions

247 g/Km (Mercedes Benz)

240 g/Km (Mercedes Benz)

CO2 emissions WLTP

Emission standard

Safety

Euro NCAP

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