The Comparative Analysis :
Mercedes S 400 4MATIC 7G-TRONIC PLUS (15 - 17) vs. Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
€ 90,800

€ 98,900

€ 90,800
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. The S 400 is 9.4 cm shorter, 2.8 cm wider and 2.3 cm taller than the S 420 CDI long.
S 400
S 420 CDI long
1496
1899
2130
1473
1871
2120
1899 mm
Width
1871 mm
2130 mm
Width Incl. Mirrors
2120 mm
1496 mm
Height
1473 mm
3035
5116
3165
5210
5116 mm
Length
5210 mm
3035 mm
Wheelbase
3165 mm
Vehicle Weight
S 400
S 420 CDI long
1995 kg
Kerb Weight
2140 kg
2640 kg
Gross Vehicle
Weight
Weight
2660 kg

Weight Difference:
145 kg
6.78 %

General
S 400
S 420 CDI long
W222/X222
Generation
W221
Saloon
Car Body Style
Saloon
Unleaded (95 RON)
Fuel Type
Diesel

Permanent all-wheel drive
Drive
Rear-wheel drive

7-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
S 400
S 420 CDI long
V6 petrol 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
2996 CC
Engine Capacity
3996 CC
328 bhp
at 5250 rpm
Power
316 bhp
at 3600 rpm
S 400
328 bhp
316 bhp
S 420 CDI long
480 NM
at 1600 rpm
Max. Torque
730 NM
at 2200 rpm
S 400
480 NM
730 NM
S 420 CDI long
Performance
S 400
S 420 CDI long
155 mph
Maximum Speed
155 mph
6.1 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
85 m
0.000 sec

S 400
62 mph
62
mph
mph
83 m
0.000 sec

S 420 CDI long
▶ REPLAY
6.08 kg/bhp
Weight-to-Power Ratio
6.77 kg/bhp
S 400
6.08 kg/bhp
6.77 kg/bhp
S 420 CDI long
Fuel Economy / Emissions
S 400
S 420 CDI long
Fuel Economy
34 mpg
combined
30 mpg
S 400
34 mpg
30 mpg
S 420 CDI long
25 mpg
city
22 mpg
42 mpg
motorway
39 mpg
70 L
Fuel Tank Capacity
90 L
518 mi
Range
595 mi
S 400
518 mi
595 mi
S 420 CDI long
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).
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
159.2 kWh
193.4 kWh
S 420 CDI long
Euro 6b (NEFZ)
Emission Standard
Euro 4 III
196 g/km (NEFZ)
CO2 Emissions
247 g/km (NEFZ)
Practical Convenience
S 400
S 420 CDI long
4
Doors
4
5
No. of Seats
5
645 kg
Maximum Payload
520 kg
530 L
Boot Capacity
560 L












No data
Boot Capacity (Seats Down)
No data