The Comparative Analysis :
Mercedes S 400 d long 4MATIC 9G-TRONIC (17 - ..) vs. Mercedes S 450 CDI 7G-TRONIC (09 - 10)
€ 97,400

€ 92,700

€ 97,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 92,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The S 400 d long is slightly bigger in every dimension. It's 6.3 inches longer, 1.1 inches wider and 0.4 inches taller than the S 450 CDI.
S 400 d long
S 450 CDI
58.8
74.8
83.9
58.5
73.7
83.5
74.8 in
Width
73.7 in
83.9 in
Width Incl. Mirrors
83.5 in
58.8 in
Height
58.5 in
124.6
206.9
119.5
200.6
206.9 in
Length
200.6 in
124.6 in
Wheelbase
119.5 in
Vehicle Weight
S 400 d long
S 450 CDI
4575 lb
Curb Weight
4608 lb
6173 lb
Gross Vehicle
Weight
Weight
5930 lb

Weight Difference:
33 lb
0.72 %

General
S 400 d long
S 450 CDI
W222/X222
Generation
W221
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

9-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
S 400 d long
S 450 CDI
Straight-six diesel engine with turbocharger
Engine Type
V8 diesel engine with turbocharger
Mercedes-Benz OM 656
Engine Series
Mercedes-Benz OM 629
OM 656.929
Engine Code
OM 629.911


4
Valves
4
6
Cylinders
8
2.9 L / 142 cu in
Displacement
4 L / 196 cu in
335 hp
at 3600 rpm
Power
316 hp
at 3600 rpm
S 400 d long
335 hp
316 hp
S 450 CDI
516 lb‑ft
at 1200 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
S 400 d long
516 lb‑ft
538 lb‑ft
S 450 CDI
Performance
S 400 d long
S 450 CDI
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
236 ft
0.000 sec

S 400 d long
62 mph
62
mph
mph
302 ft
0.000 sec

S 450 CDI
▶ REPLAY
13.66 lb/hp
Weight-to-Power Ratio
14.58 lb/hp
S 400 d long
13.66 lb/hp
14.58 lb/hp
S 450 CDI
Fuel Economy / Emissions
S 400 d long
S 450 CDI
Fuel Economy
42 mpg
combined
26 mpg
S 400 d long
42 mpg
26 mpg
S 450 CDI
35 mpg
city
18 mpg
49 mpg
highway
34 mpg
18.5 gal
Fuel Tank Capacity
23.8 gal
777 mi
Range
615 mi
S 400 d long
777 mi
615 mi
S 450 CDI
Environmental Impact
115.2 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).
187.2 kWh
S 400 d long
115.2 kWh
187.2 kWh
S 450 CDI
Euro 6
Emission Standard
Euro 4 III
237 g/mi (NEFZ)
CO2 Emissions
386 g/mi (NEFZ)
Practical Convenience
S 400 d long
S 450 CDI
4
Doors
4
5
No. of Seats
5
1598 lb
Maximum Payload
1323 lb
14.4 cu ft
Trunk Volume
15.9 cu ft










No data
Cargo Volume (Seats Down)
No data