The Comparative Analysis :
Mercedes S 450 4MATIC 7G-TRONIC Sport (09 - 10) vs. Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
€ 89,100
€ 98,900
€ 89,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 98,900
ⓘ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. Both cars are the same width, but the S 450 is 4.5 inches shorter and 0.5 inches taller.
S 450
S 420 CDI long
58.5
73.7
83.5
58
73.7
83.5
73.7 in
Width
73.7 in
83.5 in
Width Incl. Mirrors
83.5 in
58.5 in
Height
58 in
119.5
200.6
124.6
205.1
200.6 in
Length
205.1 in
119.5 in
Wheelbase
124.6 in
Vehicle Weight
S 450
S 420 CDI long
4475 lb
Curb Weight
4718 lb
5820 lb
Gross Vehicle
Weight
Weight
5864 lb
Weight Difference:
243 lb
5.15 %
General
S 450
S 420 CDI long
W221
Generation
W221
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
S 450
S 420 CDI long
V8 gasoline engine (naturally aspirated engine)
Engine Type
V8 diesel engine with turbocharger
Mercedes-Benz M 273
Engine Series
Mercedes-Benz OM 629
M 273.924
Engine Code
OM 629.911
4
Valves
4
8
Cylinders
8
4.7 L / 230 cu in
Displacement
4 L / 196 cu in
335 hp
at 6000 rpm
Power
316 hp
at 3600 rpm
S 450
335 hp
316 hp
S 420 CDI long
339 lb‑ft
at 2700 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
S 450
339 lb‑ft
538 lb‑ft
S 420 CDI long
Performance
S 450
S 420 CDI long
155 mph
Maximum Speed
155 mph
5.9 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
269 ft
0.000 sec
S 450
62 mph
62
mph
mph
272 ft
0.000 sec
S 420 CDI long
▶ REPLAY
13.36 lb/hp
Weight-to-Power Ratio
14.93 lb/hp
S 450
13.36 lb/hp
14.93 lb/hp
S 420 CDI long
Fuel Economy / Emissions
S 450
S 420 CDI long
Fuel Economy
21 mpg
combined
25 mpg
S 450
21 mpg
25 mpg
S 420 CDI long
14 mpg
city
18 mpg
30 mpg
highway
33 mpg
23.8 gal
Fuel Tank Capacity
23.8 gal
508 mi
Range
595 mi
S 450
508 mi
595 mi
S 420 CDI long
Environmental Impact
208.4 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).
193.4 kWh
S 450
208.4 kWh
193.4 kWh
S 420 CDI long
Euro 5
Emission Standard
Euro 4 III
412 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)
Practical Convenience
S 450
S 420 CDI long
4
Doors
4
5
No. of Seats
5
1345 lb
Maximum Payload
1146 lb
15.9 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
