The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Mercedes S 400 d 9G-TRONIC (17 - ..)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) S 420 CDI long
€ 90,400
 Mercedes S 400 d 9G-TRONIC (17 - ..) S 400 d
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 90,400

ⓘ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. The S 420 CDI long is 8.5 cm longer, 2.8 cm narrower and 2.3 cm lower than the S 400 d.
S 420 CDI long
S 400 d
1473
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
1871
2120
1496
Blueprint Mercedes S 400 d 9G-TRONIC (17 - ..)
1899
2130
1871 mm
Width
1899 mm
2120 mm
Width Incl. Mirrors
2130 mm
1473 mm
Height
1496 mm
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
3165
5210
Blueprint Mercedes S 400 d 9G-TRONIC (17 - ..)
3035
5125
5210 mm
Length
5125 mm
3165 mm
Wheelbase
3035 mm

Vehicle Weight

S 420 CDI long
S 400 d
2140 kg
Kerb Weight
2005 kg
2660 kg
Gross Vehicle
Weight
2705 kg
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
135 kg
6.31 %
Mercedes S 400 d 9G-TRONIC (17 - ..)

General

S 420 CDI long
S 400 d
W221
Generation
W222/X222
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Diesel
Rear-wheel drive
Drive
Rear-wheel drive
7-speed automatic transmission
Transmission
9-speed automatic transmission

Engine

S 420 CDI long
S 400 d
V8 diesel engine with tur­bo­charger
Engine Type
Straight-six diesel engine with tur­bo­charger
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz OM 656
OM 629.911
Engine Code
OM 656.929
4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2925 CC
316 bhp
at 3600 rpm
Power
335 bhp
at 3600 rpm
S 420 CDI long
316 bhp
335 bhp
S 400 d
730 NM
at 2200 rpm
Max. Torque
700 NM
at 1200 rpm
S 420 CDI long
730 NM
700 NM
S 400 d

Performance

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

83 m
0.000 sec

S 420 CDI long

62 mph 62
mph

75 m
0.000 sec

S 400 d

▶ REPLAY
6.77 kg/bhp
Weight-to-Power Ratio
5.99 kg/bhp
S 420 CDI long
6.77 kg/bhp
5.99 kg/bhp
S 400 d

Fuel Economy / Emissions

S 420 CDI long
S 400 d
Fuel Economy
30 mpg
combined
54 mpg
S 420 CDI long
30 mpg
54 mpg
S 400 d
22 mpg
city
44 mpg
39 mpg
motorway
63 mpg
Kraftstoffanzeige
90 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
595 mi
Range
836 mi
S 420 CDI long
595 mi
836 mi
S 400 d
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).
107 kWh
S 420 CDI long
193.4 kWh
107 kWh
S 400 d
Euro 4 III
Emission Standard
Euro 6
247 g/km (NEFZ)
CO2 Emissions
135 g/km (NEFZ)

Practical Convenience

S 420 CDI long
S 400 d
4
Doors
4
5
No. of Seats
5
520 kg
Maximum Payload
700 kg
560 L
Boot Capacity
510 L
No data
Boot Capacity (Seats Down)
No data