The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Mercedes S 450 4MATIC 9G-TRONIC (17 - ..)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) S 420 CDI long
€ 97,200
Mercedes S 450 4MATIC 9G-TRONIC (17 - ..) S 450
€ 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
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
1871
2120
1496
Blueprint Mercedes S 450 4MATIC 9G-TRONIC (17 - ..)
1899
2130
1871 mm
Width
1899 mm
2120 mm
Width Incl. Mirrors
2130 mm
1473 mm
Height
1496 mm
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
3165
5210
Blueprint Mercedes S 450 4MATIC 9G-TRONIC (17 - ..)
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
2730 kg
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
80 kg
3.74 %
Mercedes S 450 4MATIC 9G-TRONIC (17 - ..)

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

83 m
0.000 sec

S 420 CDI long

62 mph 62
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
Kraftstoffanzeige
90 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
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).
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