The Comparative Analysis :
Mercedes S 420 CDI 7G-TRONIC (06 - 09) vs. Mercedes S 350 long 7G-TRONIC (05 - 09)
€ 91,100
€ 83,400
€ 91,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,400
ⓘ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. Both cars are the same width and height, but the S 420 CDI is 5.1 inches shorter.
S 420 CDI
S 350 long
58
73.7
83.5
58
73.7
83.5
73.7 in
Width
73.7 in
83.5 in
Width Incl. Mirrors
83.5 in
58 in
Height
58 in
119.5
200
124.6
205.1
200 in
Length
205.1 in
119.5 in
Wheelbase
124.6 in
Vehicle Weight
S 420 CDI
S 350 long
4608 lb
Curb Weight
4244 lb
5820 lb
Gross Vehicle
Weight
Weight
5523 lb
Weight Difference:
364 lb
7.9 %
General
S 420 CDI
S 350 long
W221
Generation
W221
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
S 420 CDI
S 350 long
V8 diesel engine with turbocharger
Engine Type
V6 gasoline engine (naturally aspirated engine)
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz M 272
OM 629.911
Engine Code
M 272.965
4
Valves
3
8
Cylinders
6
4 L / 196 cu in
Displacement
3.5 L / 171 cu in
316 hp
at 3600 rpm
Power
268 hp
at 6000 rpm
S 420 CDI
316 hp
268 hp
S 350 long
538 lb‑ft
at 2200 rpm
Max. Torque
258 lb‑ft
at 2400 rpm
S 420 CDI
538 lb‑ft
258 lb‑ft
S 350 long
Performance
S 420 CDI
S 350 long
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph
62
mph
mph
272 ft
0.000 sec
S 420 CDI
62 mph
62
mph
mph
331 ft
0.000 sec
S 350 long
▶ REPLAY
14.58 lb/hp
Weight-to-Power Ratio
15.84 lb/hp
S 420 CDI
14.58 lb/hp
15.84 lb/hp
S 350 long
Fuel Economy / Emissions
S 420 CDI
S 350 long
Fuel Economy
25 mpg
combined
23 mpg
S 420 CDI
25 mpg
23 mpg
S 350 long
18 mpg
city
16 mpg
33 mpg
highway
31 mpg
23.8 gal
Fuel Tank Capacity
23.8 gal
595 mi
Range
554 mi
S 420 CDI
595 mi
554 mi
S 350 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).
191.4 kWh
S 420 CDI
193.4 kWh
191.4 kWh
S 350 long
Euro 4 III
Emission Standard
Euro 4 III
398 g/mi (NEFZ)
CO2 Emissions
389 g/mi (NEFZ)
Practical Convenience
S 420 CDI
S 350 long
4
Doors
4
5
No. of Seats
5
1213 lb
Maximum Payload
1279 lb
15.9 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
