The Comparative Analysis :

Mercedes S 400 long 4MATIC 7G-TRONIC PLUS (15 - 17) vs. Mercedes S 420 CDI 7G-TRONIC (06 - 09)

€ 96,700
Mercedes S 400 long 4MATIC 7G-TRONIC PLUS (15 - 17) S 400 long
€ 91,100
 Mercedes S 420 CDI 7G-TRONIC (06 - 09) S 420 CDI
€ 96,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,100

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The S 400 long is considerably bigger in every dimension. It's 6.5 inches longer, 1.1 inches wider and 0.9 inches taller than the S 420 CDI.
S 400 long
S 420 CDI
58.9
Blueprint Mercedes S 400 long 4MATIC 7G-TRONIC PLUS (15 - 17)
74.8
83.9
58
Blueprint Mercedes S 420 CDI 7G-TRONIC (06 - 09)
73.7
83.5
74.8 in
Width
73.7 in
83.9 in
Width Incl. Mirrors
83.5 in
58.9 in
Height
58 in
Blueprint Mercedes S 400 long 4MATIC 7G-TRONIC PLUS (15 - 17)
124.6
206.5
Blueprint Mercedes S 420 CDI 7G-TRONIC (06 - 09)
119.5
200
206.5 in
Length
200 in
124.6 in
Wheelbase
119.5 in

Vehicle Weight

S 400 long
S 420 CDI
4564 lb
Curb Weight
4608 lb
6063 lb
Gross Vehicle
Weight
5820 lb
Mercedes S 400 long 4MATIC 7G-TRONIC PLUS (15 - 17)
Weight Difference:
44 lb
0.95 %
Mercedes S 420 CDI 7G-TRONIC (06 - 09)

General

S 400 long
S 420 CDI
W222/X222
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 400 long
S 420 CDI
V6 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V8 diesel engine with tur­bo­charger
Mercedes-Benz M 276
Engine Series
Mercedes-Benz OM 629
M 276.824
Engine Code
OM 629.911
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4 L / 196 cu in
328 hp
at 5250 rpm
Power
316 hp
at 3600 rpm
S 400 long
328 hp
316 hp
S 420 CDI
354 lb‑ft
at 1600 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
S 400 long
354 lb‑ft
538 lb‑ft
S 420 CDI

Performance

S 400 long
S 420 CDI
155 mph
Maximum Speed
155 mph
6.1 sec
Acceleration 0 to 62 mph
6 sec
62 mph 62
mph

279 ft
0.000 sec

S 400 long

62 mph 62
mph

272 ft
0.000 sec

S 420 CDI

▶ REPLAY
13.91 lb/hp
Weight-to-Power Ratio
14.58 lb/hp
S 400 long
13.91 lb/hp
14.58 lb/hp
S 420 CDI

Fuel Economy / Emissions

S 400 long
S 420 CDI
Fuel Economy
28 mpg
combined
25 mpg
S 400 long
28 mpg
25 mpg
S 420 CDI
21 mpg
city
18 mpg
35 mpg
highway
33 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
23.8 gal
Kraftstoffanzeige
518 mi
Range
595 mi
S 400 long
518 mi
595 mi
S 420 CDI
Environmental Impact
159.2 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).
193.4 kWh
S 400 long
159.2 kWh
193.4 kWh
S 420 CDI
Euro 6b (NEFZ)
Emission Standard
Euro 4 III
315 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)

Practical Convenience

S 400 long
S 420 CDI
4
Doors
4
5
No. of Seats
5
1499 lb
Maximum Payload
1213 lb
15 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data