The Comparative Analysis :
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Mercedes S 350 d long 4MATIC 7G-TRONIC PLUS (15 - 16)
€ 98,900

€ 91,100

€ 98,900
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 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 350 d long.
S 420 CDI long
S 350 d 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 350 d long
4718 lb
Curb Weight
4508 lb
5864 lb
Gross Vehicle
Weight
Weight
6063 lb

Weight Difference:
209 lb
4.43 %

General
S 420 CDI long
S 350 d long
W221
Generation
W222/X222
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel

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

7-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
S 420 CDI long
S 350 d long
V8 diesel engine with turbocharger
Engine Type
V6 diesel engine with turbocharger
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz OM 642
OM 629.911
Engine Code
OM 642.867


4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
316 hp
at 3600 rpm
Power
254 hp
at 3600 rpm
S 420 CDI long
316 hp
254 hp
S 350 d long
538 lb‑ft
at 2200 rpm
Max. Torque
457 lb‑ft
at 1600 rpm
S 420 CDI long
538 lb‑ft
457 lb‑ft
S 350 d long
Performance
S 420 CDI long
S 350 d long
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
6.8 sec
62 mph
62
mph
mph
272 ft
0.000 sec

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

S 350 d long
▶ REPLAY
14.93 lb/hp
Weight-to-Power Ratio
17.75 lb/hp
S 420 CDI long
14.93 lb/hp
17.75 lb/hp
S 350 d long
Fuel Economy / Emissions
S 420 CDI long
S 350 d long
Fuel Economy
25 mpg
combined
40 mpg
S 420 CDI long
25 mpg
40 mpg
S 350 d long
18 mpg
city
32 mpg
33 mpg
highway
46 mpg
23.8 gal
Fuel Tank Capacity
18.5 gal
595 mi
Range
737 mi
S 420 CDI long
595 mi
737 mi
S 350 d 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).
121.3 kWh
S 420 CDI long
193.4 kWh
121.3 kWh
S 350 d long
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
398 g/mi (NEFZ)
CO2 Emissions
251 g/mi (NEFZ)
Practical Convenience
S 420 CDI long
S 350 d long
4
Doors
4
5
No. of Seats
5
1146 lb
Maximum Payload
1554 lb
15.9 cu ft
Trunk Volume
14.4 cu ft










No data
Cargo Volume (Seats Down)
No data