The Comparative Analysis :
Mercedes S 350 7G-TRONIC (05 - 09) vs. Mercedes S 420 CDI 7G-TRONIC (06 - 09)
€ 75,500
€ 91,100
€ 75,500
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 dimensions of the S 350 and the S 420 CDI are absolutely identical. Both are 200 inches long, 73.7 inches wide and 58 inches tall.
S 350
S 420 CDI
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
119.5
200
200 in
Length
200 in
119.5 in
Wheelbase
119.5 in
Vehicle Weight
S 350
S 420 CDI
4145 lb
Curb Weight
4608 lb
5456 lb
Gross Vehicle
Weight
Weight
5820 lb
Weight Difference:
463 lb
10.05 %
General
S 350
S 420 CDI
W221
Generation
W221
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
S 350
S 420 CDI
V6 gasoline engine (naturally aspirated engine)
Engine Type
V8 diesel engine with turbocharger
Mercedes-Benz M 272
Engine Series
Mercedes-Benz OM 629
M 272.965
Engine Code
OM 629.911
3
Valves
4
6
Cylinders
8
3.5 L / 171 cu in
Displacement
4 L / 196 cu in
268 hp
at 6000 rpm
Power
316 hp
at 3600 rpm
S 350
268 hp
316 hp
S 420 CDI
258 lb‑ft
at 2400 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
S 350
258 lb‑ft
538 lb‑ft
S 420 CDI
Performance
S 350
S 420 CDI
155 mph
Maximum Speed
155 mph
7.3 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
331 ft
0.000 sec
S 350
62 mph
62
mph
mph
272 ft
0.000 sec
S 420 CDI
▶ REPLAY
15.47 lb/hp
Weight-to-Power Ratio
14.58 lb/hp
S 350
15.47 lb/hp
14.58 lb/hp
S 420 CDI
Fuel Economy / Emissions
S 350
S 420 CDI
Fuel Economy
23 mpg
combined
25 mpg
S 350
23 mpg
25 mpg
S 420 CDI
16 mpg
city
18 mpg
31 mpg
highway
33 mpg
23.8 gal
Fuel Tank Capacity
23.8 gal
554 mi
Range
595 mi
S 350
554 mi
595 mi
S 420 CDI
Environmental Impact
191.4 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).
193.4 kWh
S 350
191.4 kWh
193.4 kWh
S 420 CDI
Euro 4
Emission Standard
Euro 4 III
389 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)
Practical Convenience
S 350
S 420 CDI
4
Doors
4
5
No. of Seats
5
1312 lb
Maximum Payload
1213 lb
15.9 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
