The Comparative Analysis :
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Mercedes S 450 4MATIC 9G-TRONIC (17 - ..)
€ 98,900
€ 97,200
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 97,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The S 420 CDI long is 8.5 cm longer, 2.8 cm narrower and 2.3 cm lower than the S 450.
S 420 CDI long
S 450
1473
1871
2120
1496
1899
2130
1871 mm
Width
1899 mm
2120 mm
Width Incl. Mirrors
2130 mm
1473 mm
Height
1496 mm
3165
5210
3035
5125
5210 mm
Length
5125 mm
3165 mm
Wheelbase
3035 mm
Vehicle Weight
S 420 CDI long
S 450
2140 kg
Kerb Weight
2060 kg
2660 kg
Gross Vehicle
Weight
Weight
2730 kg
Weight Difference:
80 kg
3.74 %
General
S 420 CDI long
S 450
W221
Generation
W222/X222
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Unleaded (95 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

7-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
S 420 CDI long
S 450
V8 diesel engine with turbocharger
Engine Type
6-cylinder mild hybrid petrol engine with turbocharger and electric driven compressor
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz M 256
OM 629.911
Engine Code
M 256.930


4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2999 CC
316 bhp
at 3600 rpm
Power
383 bhp
at 5500 rpm
S 420 CDI long
316 bhp
383 bhp
S 450
730 NM
at 2200 rpm
Max. Torque
500 NM
at 1600 rpm
S 420 CDI long
730 NM
500 NM
S 450
Performance
S 420 CDI long
S 450
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
83 m
0.000 sec
S 420 CDI long
62 mph
62
mph
mph
68 m
0.000 sec
S 450
▶ REPLAY
6.77 kg/bhp
Weight-to-Power Ratio
5.38 kg/bhp
S 420 CDI long
6.77 kg/bhp
5.38 kg/bhp
S 450
Fuel Economy / Emissions
S 420 CDI long
S 450
Fuel Economy
30 mpg
combined
34 mpg
S 420 CDI long
30 mpg
34 mpg
S 450
22 mpg
city
26 mpg
39 mpg
motorway
43 mpg
90 L
Fuel Tank Capacity
70 L
595 mi
Range
531 mi
S 420 CDI long
595 mi
531 mi
S 450
Environmental Impact
193.4 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).
155.3 kWh
S 420 CDI long
193.4 kWh
155.3 kWh
S 450
Euro 4 III
Emission Standard
Euro 6
247 g/km (NEFZ)
CO2 Emissions
195 g/km (WLTP)
Practical Convenience
S 420 CDI long
S 450
4
Doors
4
5
No. of Seats
5
520 kg
Maximum Payload
670 kg
560 L
Boot Capacity
530 L












No data
Boot Capacity (Seats Down)
No data





















