The Comparative Analysis :
Mercedes S 450 long 4MATIC 9G-TRONIC (17 - ..) vs. Mercedes S 400 d 4MATIC 9G-TRONIC (17 - ..)
€ 100,800

€ 94,200

€ 100,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 94,200
ⓘ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. Both cars are the same width, but the S 450 long is 5.1 inches longer and 0.1 inches lower.
S 450 long
S 400 d
58.8
74.8
83.9
58.9
74.8
83.9
74.8 in
Width
74.8 in
83.9 in
Width Incl. Mirrors
83.9 in
58.8 in
Height
58.9 in
124.6
206.9
119.5
201.8
206.9 in
Length
201.8 in
124.6 in
Wheelbase
119.5 in
Vehicle Weight
S 450 long
S 400 d
4575 lb
Curb Weight
4542 lb
6085 lb
Gross Vehicle
Weight
Weight
6085 lb

Weight Difference:
33 lb
0.72 %

General
S 450 long
S 400 d
W222/X222
Generation
W222/X222
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel

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

9-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
S 450 long
S 400 d
6-cylinder mild hybrid gasoline engine with turbocharger and electric driven compressor
Engine Type
Straight-six diesel engine with turbocharger
Mercedes-Benz M 256
Engine Series
Mercedes-Benz OM 656
M 256.930
Engine Code
OM 656.929


4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
2.9 L / 142 cu in
383 hp
at 5500 rpm
Power
335 hp
at 3600 rpm
S 450 long
383 hp
335 hp
S 400 d
369 lb‑ft
at 1600 rpm
Max. Torque
516 lb‑ft
at 1200 rpm
S 450 long
369 lb‑ft
516 lb‑ft
S 400 d
Performance
S 450 long
S 400 d
155 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
223 ft
0.000 sec

S 450 long
62 mph
62
mph
mph
236 ft
0.000 sec

S 400 d
▶ REPLAY
11.95 lb/hp
Weight-to-Power Ratio
13.56 lb/hp
S 450 long
11.95 lb/hp
13.56 lb/hp
S 400 d
Fuel Economy / Emissions
S 450 long
S 400 d
Fuel Economy
29 mpg
combined
42 mpg
S 450 long
29 mpg
42 mpg
S 400 d
21 mpg
city
35 mpg
36 mpg
highway
49 mpg
18.5 gal
Fuel Tank Capacity
18.5 gal
531 mi
Range
777 mi
S 450 long
531 mi
777 mi
S 400 d
Environmental Impact
155.3 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).
115.2 kWh
S 450 long
155.3 kWh
115.2 kWh
S 400 d
Euro 6
Emission Standard
Euro 6
315 g/mi (WLTP)
CO2 Emissions
237 g/mi (NEFZ)
Practical Convenience
S 450 long
S 400 d
4
Doors
4
5
No. of Seats
5
1510 lb
Maximum Payload
1543 lb
15 cu ft
Trunk Volume
14.4 cu ft










No data
Cargo Volume (Seats Down)
No data