The Comparative Analysis :
Mercedes S 450 CDI 7G-TRONIC (09 - 10) vs. Mercedes S 320 CDI BlueEFFICIENCY 7G-TRONIC (08 - 09)
€ 92,700

€ 72,400

€ 92,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 72,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same width, but the S 450 CDI is 1.6 cm longer and 1.2 cm taller.
S 450 CDI
S 320 CDI BlueEFFICIENCY
1485
1871
2120
1473
1871
2120
1871 mm
Width
1871 mm
2120 mm
Width Incl. Mirrors
2120 mm
1485 mm
Height
1473 mm
3035
5096
3035
5080
5096 mm
Length
5080 mm
3035 mm
Wheelbase
3035 mm
Vehicle Weight
S 450 CDI
S 320 CDI BlueEFFICIENCY
2090 kg
Kerb Weight
1955 kg
2690 kg
Gross Vehicle
Weight
Weight
2550 kg

Weight Difference:
135 kg
6.46 %

General
S 450 CDI
S 320 CDI BlueEFFICIENCY
W221
Generation
W221
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Diesel

Rear-wheel drive
Drive
Rear-wheel drive

7-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
S 450 CDI
S 320 CDI BlueEFFICIENCY
V8 diesel engine with turbocharger
Engine Type
V6 diesel engine with turbocharger
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz OM 642
OM 629.911
Engine Code
OM 642.930


4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2987 CC
316 bhp
at 3600 rpm
Power
232 bhp
at 3600 rpm
S 450 CDI
316 bhp
232 bhp
S 320 CDI BlueEFFICIENCY
730 NM
at 2200 rpm
Max. Torque
540 NM
at 1600 rpm
S 450 CDI
730 NM
540 NM
S 320 CDI BlueEFFICIENCY
Performance
S 450 CDI
S 320 CDI BlueEFFICIENCY
155 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
7.8 sec
62 mph
62
mph
mph
92 m
0.000 sec

S 450 CDI
62 mph
62
mph
mph
108 m
0.000 sec

S 320 CDI BlueEFFICIENCY
▶ REPLAY
6.61 kg/bhp
Weight-to-Power Ratio
8.43 kg/bhp
S 450 CDI
6.61 kg/bhp
8.43 kg/bhp
S 320 CDI BlueEFFICIENCY
Fuel Economy / Emissions
S 450 CDI
S 320 CDI BlueEFFICIENCY
Fuel Economy
31 mpg
combined
37 mpg
S 450 CDI
31 mpg
37 mpg
S 320 CDI BlueEFFICIENCY
22 mpg
city
27 mpg
41 mpg
motorway
48 mpg
90 L
Fuel Tank Capacity
90 L
615 mi
Range
736 mi
S 450 CDI
615 mi
736 mi
S 320 CDI BlueEFFICIENCY
Environmental Impact
187.2 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
156.4 kWh
S 450 CDI
187.2 kWh
156.4 kWh
S 320 CDI BlueEFFICIENCY
Euro 4 III
Emission Standard
Euro 4 III
240 g/km (NEFZ)
CO2 Emissions
199 g/km (NEFZ)
Practical Convenience
S 450 CDI
S 320 CDI BlueEFFICIENCY
4
Doors
4
5
No. of Seats
5
600 kg
Maximum Payload
595 kg
560 L
Boot Capacity
560 L












No data
Boot Capacity (Seats Down)
No data