The Comparative Analysis :
Mercedes S 350 long 4MATIC 7G-TRONIC (09 - 11) vs. Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
€ 89,100
![Mercedes S 350 long 4MATIC 7G-TRONIC (09 - 11)](graphbase/cars/cars_big_png/Mercedes_S_W221-09.png)
€ 98,900
![Mercedes S 420 CDI long 7G-TRONIC (06 - 09)](graphbase/cars/cars_big/Mercedes_S_W221.webp)
€ 89,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 98,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same width, but the S 350 long is 0.6 inches longer and 0.5 inches taller.
S 350 long
S 420 CDI long
58.5
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
58.5 in
Height
58 in
124.6
205.7
124.6
205.1
205.7 in
Length
205.1 in
124.6 in
Wheelbase
124.6 in
Vehicle Weight
S 350 long
S 420 CDI long
4464 lb
Curb Weight
4718 lb
5754 lb
Gross Vehicle
Weight
Weight
5864 lb
![Mercedes S 350 long 4MATIC 7G-TRONIC (09 - 11)](graphbase/cars/cars_big_png/Mercedes_S_W221-09.png)
Weight Difference:
254 lb
5.38 %
![Mercedes S 420 CDI long 7G-TRONIC (06 - 09)](graphbase/cars/cars_big_png/Mercedes_S_W221.png)
General
S 350 long
S 420 CDI long
W221
Generation
W221
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel
![](graphbase/drivetrain/AWD.png)
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
7-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
S 350 long
S 420 CDI long
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
![](graphbase/engines/Mercedes-Benz_M_272.png)
![](graphbase/engines/Mercedes-Benz_OM_629.png)
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 long
268 hp
316 hp
S 420 CDI long
258 lb‑ft
at 2400 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
S 350 long
258 lb‑ft
538 lb‑ft
S 420 CDI long
Performance
S 350 long
S 420 CDI long
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
![](graphbase/cars/cars_small_png/Mercedes_S_W221-09.png)
S 350 long
62 mph
62
mph
mph
272 ft
0.000 sec
![](graphbase/cars/cars_small_png/Mercedes_S_W221.png)
S 420 CDI long
▶ REPLAY
16.66 lb/hp
Weight-to-Power Ratio
14.93 lb/hp
S 350 long
16.66 lb/hp
14.93 lb/hp
S 420 CDI long
Fuel Economy / Emissions
S 350 long
S 420 CDI long
Fuel Economy
23 mpg
combined
25 mpg
S 350 long
23 mpg
25 mpg
S 420 CDI long
16 mpg
city
18 mpg
30 mpg
highway
33 mpg
23.8 gal
Fuel Tank Capacity
23.8 gal
543 mi
Range
595 mi
S 350 long
543 mi
595 mi
S 420 CDI long
Environmental Impact
195.2 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 long
195.2 kWh
193.4 kWh
S 420 CDI long
Euro 5
Emission Standard
Euro 4 III
389 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)
Practical Convenience
S 350 long
S 420 CDI long
4
Doors
4
5
No. of Seats
5
1290 lb
Maximum Payload
1146 lb
15.9 cu ft
Trunk Volume
15.9 cu ft
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KB.png)
No data
Cargo Volume (Seats Down)
No data