The Comparative Analysis :
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Mercedes S 450 long 9G-TRONIC (17 - ..)
€ 98,900
€ 97,000
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 97,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The S 420 CDI long is a little smaller in every dimension. It's 1.8 inches shorter, 1.1 inches narrower and 0.8 inches lower than the S 450 long.
S 420 CDI long
S 450 long
58
73.7
83.5
58.8
74.8
83.9
73.7 in
Width
74.8 in
83.5 in
Width Incl. Mirrors
83.9 in
58 in
Height
58.8 in
124.6
205.1
124.6
206.9
205.1 in
Length
206.9 in
124.6 in
Wheelbase
124.6 in
Vehicle Weight
S 420 CDI long
S 450 long
4718 lb
Curb Weight
4442 lb
5864 lb
Gross Vehicle
Weight
Weight
5952 lb
Weight Difference:
276 lb
5.85 %
General
S 420 CDI long
S 450 long
W221
Generation
W222/X222
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
S 420 CDI long
S 450 long
V8 diesel engine with turbocharger
Engine Type
6-cylinder mild hybrid gasoline engine with turbocharger and electric driven compressor
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz M 276
OM 629.911
Engine Code
M 276.824
4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
316 hp
at 3600 rpm
Power
383 hp
at 5500 rpm
S 420 CDI long
316 hp
383 hp
S 450 long
538 lb‑ft
at 2200 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
S 420 CDI long
538 lb‑ft
369 lb‑ft
S 450 long
Performance
S 420 CDI long
S 450 long
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
272 ft
0.000 sec
S 420 CDI long
62 mph
62
mph
mph
233 ft
0.000 sec
S 450 long
▶ REPLAY
14.93 lb/hp
Weight-to-Power Ratio
11.6 lb/hp
S 420 CDI long
14.93 lb/hp
11.6 lb/hp
S 450 long
Fuel Economy / Emissions
S 420 CDI long
S 450 long
Fuel Economy
25 mpg
combined
36 mpg
S 420 CDI long
25 mpg
36 mpg
S 450 long
18 mpg
city
26 mpg
33 mpg
highway
44 mpg
23.8 gal
Fuel Tank Capacity
21.1 gal
595 mi
Range
753 mi
S 420 CDI long
595 mi
753 mi
S 450 long
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).
125 kWh
S 420 CDI long
193.4 kWh
125 kWh
S 450 long
Euro 4 III
Emission Standard
Euro 6
398 g/mi (NEFZ)
CO2 Emissions
241 g/mi (NEFZ)
Practical Convenience
S 420 CDI long
S 450 long
4
Doors
4
5
No. of Seats
5
1146 lb
Maximum Payload
1510 lb
15.9 cu ft
Trunk Volume
15 cu ft
No data
Cargo Volume (Seats Down)
No data
