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Mercedes Benz W221 Class S 320 CDI
Mercedes Benz W221 Class S 320 CDI (2005)
Mercedes Benz W221 Class S 350 BlueTEC
Mercedes Benz W221 Class S 350 BlueTEC (2009)
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Engine Technical Data
Engine type - Number of cylinders
V 6
V 6
Fuel type
Diesel
Diesel
Fuel System
Common Rail
Direct Injection.
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Front
Engine displacement
182.3 cu-in / 2987 cm3
182.3 cu-in / 2987 cm3
Bore
3.27 inches
83.0 mm
3.27 inches
83.0 mm
Stroke
3.62 inches
92.0 mm
3.62 inches
92.0 mm
Number of valves
24
24
Aspiration
TGV + Intercooler
Turbo (TGV) + Intercooler
Compression Ratio
18.0
16
Horsepower
232 HP / 235 PS / 173 kW @ 3800 rpm
254 HP / 258 PS / 190 kW @ 3600 rpm
Maximum torque
398 lb-ft / 540 Nm @ 1600 - 2800 rpm
457 lb-ft / 620 Nm @ 1600-2400 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
Transmission Gearbox - Number of speeds
7
7
Clutch Type
Automatic
Automatic
Size, Dimensions, Aerodynamics and Weight
Body
Sedan
Sedan
Num. of Doors
4
4
Num. of Seats
5
5
Seat distribution
2+3
Wheelbase
119.49 inches / 303.5 cm
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
73.66 inches / 187.1 cm
Height
57.99 inches / 147.3 cm
58.23 inches / 147.9 cm
Front Axle
62.99 inches / 160.0 cm
Rear Axle
63.23 inches / 160.6 cm
Aerodynamic drag coefficient - Cx
0.27
0.26
Front Brakes - Disc dimensions
Vented Discs (13.19 inches / 335 mm)
Vented Discs (13.19 inches / 335 mm)
Rear Brakes - Disc dimensions
Discs (11.81 inches / 300 mm)
Discs (11.81 inches / 300 mm)
Front Tyres - Rims dimensions
235/55 R17
235/55 R17
Rear Tyres - Rims dimensions
235/55 R17
235/55 R17
Curb Weight
4310 lbs / 1955 kg
4398 lbs / 1995 kg
Weight/Power Output Ratio
8.32 Kg/hp
7.73 Kg/hp
Trunk / Boot capacity
19.8 cu-ft / 560 L
19.8 cu-ft / 560 L
Steering
Rack and pinion Electric
Front Suspension
Pneumatic.
Rear Suspension
Pneumatic.
Top Speed
155 Mph / 250 km/h
155 Mph / 250 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
7.5 s
7.1 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - City NEDC
20 MPG
11.6 L/100 km
24 MPG UK
25 MPG
9.3 L/100 km
30 MPG UK
Fuel Consumption - Economy - Open road NEDC
37 MPG
6.4 L/100 km
44 MPG UK
44 MPG
5.3 L/100 km
53 MPG UK
Fuel Consumption - Economy - Combined NEDC
28 MPG
8.3 L/100 km
34 MPG UK
35 MPG
6.8 L/100 km
42 MPG UK
Fuel Tank Capacity
23.8 gallons
90 L
19.8 UK gallons
21.9 gallons
83 L
18.3 UK gallons
CO2 emissions
220 g/Km (Mercedes Benz)
177 g/Km (Mercedes Benz)



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