The Comparative Analysis :
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Mercedes S 500 long 4MATIC 7G-TRONIC PLUS (13 - 16)
€ 98,900

€ 113,600

€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 113,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The S 420 CDI long is a little smaller in every dimension. It's 1.4 inches shorter, 1.1 inches narrower and 0.9 inches lower than the S 500 long.
S 420 CDI long
S 500 long
58
73.7
83.5
58.9
74.8
83.9
73.7 in
Width
74.8 in
83.5 in
Width Incl. Mirrors
83.9 in
58 in
Height
58.9 in
124.6
205.1
124.6
206.5
205.1 in
Length
206.5 in
124.6 in
Wheelbase
124.6 in
Vehicle Weight
S 420 CDI long
S 500 long
4718 lb
Curb Weight
4564 lb
5864 lb
Gross Vehicle
Weight
Weight
6063 lb

Weight Difference:
154 lb
3.26 %

General
S 420 CDI long
S 500 long
W221
Generation
W222/X222
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Mid-Grade Unleaded

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

7-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
S 420 CDI long
S 500 long
V8 diesel engine with turbocharger
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz M 278
OM 629.911
Engine Code
M 278.929


4
Valves
4
8
Cylinders
8
4 L / 196 cu in
Displacement
4.7 L / 230 cu in
316 hp
at 3600 rpm
Power
449 hp
at 5250 rpm
S 420 CDI long
316 hp
449 hp
S 500 long
538 lb‑ft
at 2200 rpm
Max. Torque
516 lb‑ft
at 1800 rpm
S 420 CDI long
538 lb‑ft
516 lb‑ft
S 500 long
Performance
S 420 CDI long
S 500 long
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
272 ft
0.000 sec

S 420 CDI long
62 mph
62
mph
mph
220 ft
0.000 sec

S 500 long
▶ REPLAY
14.93 lb/hp
Weight-to-Power Ratio
10.16 lb/hp
S 420 CDI long
14.93 lb/hp
10.16 lb/hp
S 500 long
Fuel Economy / Emissions
S 420 CDI long
S 500 long
Fuel Economy
25 mpg
combined
26 mpg
S 420 CDI long
25 mpg
26 mpg
S 500 long
18 mpg
city
19 mpg
33 mpg
highway
35 mpg
23.8 gal
Fuel Tank Capacity
21.1 gal
595 mi
Range
552 mi
S 420 CDI long
595 mi
552 mi
S 500 long
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).
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).
170.4 kWh
S 420 CDI long
193.4 kWh
170.4 kWh
S 500 long
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
398 g/mi (NEFZ)
CO2 Emissions
340 g/mi (NEFZ)
Practical Convenience
S 420 CDI long
S 500 long
4
Doors
4
5
No. of Seats
5
1146 lb
Maximum Payload
1499 lb
15.9 cu ft
Trunk Volume
15 cu ft












No data
Cargo Volume (Seats Down)
No data