The Comparative Analysis :

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

€ 91,100
Mercedes S 420 CDI 7G-TRONIC (06 - 09) S 420 CDI
€ 90,800
 Mercedes S 400 4MATIC 7G-TRONIC PLUS (15 - 17) S 400
€ 91,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 90,800

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

Vehicle Dimensions

The S 420 CDI is a little smaller in every dimension. It's 3.6 cm shorter, 2.8 cm narrower and 2.3 cm lower than the S 400.
S 420 CDI
S 400
1473
Blueprint Mercedes S 420 CDI 7G-TRONIC (06 - 09)
1871
2120
1496
Blueprint Mercedes S 400 4MATIC 7G-TRONIC PLUS (15 - 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 7G-TRONIC (06 - 09)
3035
5080
Blueprint Mercedes S 400 4MATIC 7G-TRONIC PLUS (15 - 17)
3035
5116
5080 mm
Length
5116 mm
3035 mm
Wheelbase
3035 mm

Vehicle Weight

S 420 CDI
S 400
2090 kg
Kerb Weight
1995 kg
2640 kg
Gross Vehicle
Weight
2640 kg
Mercedes S 420 CDI 7G-TRONIC (06 - 09)
Weight Difference:
95 kg
4.55 %
Mercedes S 400 4MATIC 7G-TRONIC PLUS (15 - 17)

General

S 420 CDI
S 400
W221
Generation
W222/X222
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Unleaded (95 RON)
Rear-wheel drive
Drive
Permanent all-wheel drive
7-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

S 420 CDI
S 400
V8 diesel engine with tur­bo­charger
Engine Type
V6 petrol engine with two tur­bo­chargers (bi­turbo)
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz M 276
OM 629.911
Engine Code
M 276.824
4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2996 CC
316 bhp
at 3600 rpm
Power
328 bhp
at 5250 rpm
S 420 CDI
316 bhp
328 bhp
S 400
730 NM
at 2200 rpm
Max. Torque
480 NM
at 1600 rpm
S 420 CDI
730 NM
480 NM
S 400

Performance

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

83 m
0.000 sec

S 420 CDI

62 mph 62
mph

85 m
0.000 sec

S 400

▶ REPLAY
6.61 kg/bhp
Weight-to-Power Ratio
6.08 kg/bhp
S 420 CDI
6.61 kg/bhp
6.08 kg/bhp
S 400

Fuel Economy / Emissions

S 420 CDI
S 400
Fuel Economy
30 mpg
combined
34 mpg
S 420 CDI
30 mpg
34 mpg
S 400
22 mpg
city
25 mpg
39 mpg
motorway
42 mpg
Kraftstoffanzeige
90 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
595 mi
Range
518 mi
S 420 CDI
595 mi
518 mi
S 400
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).
159.2 kWh
S 420 CDI
193.4 kWh
159.2 kWh
S 400
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
247 g/km (NEFZ)
CO2 Emissions
196 g/km (NEFZ)

Practical Convenience

S 420 CDI
S 400
4
Doors
4
5
No. of Seats
5
550 kg
Maximum Payload
645 kg
560 L
Boot Capacity
530 L
No data
Boot Capacity (Seats Down)
No data