The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Mercedes S 250 CDI BlueEFFICIENCY 7G-TRONIC PLUS (11 - 13)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) S 420 CDI long
€ 71,900
 Mercedes S 250 CDI BlueEFFICIENCY 7G-TRONIC PLUS (11 - 13) S 250 CDI BlueEFFICIENCY
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 71,900

ⓘ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, but the S 420 CDI long is 4.5 inches longer and 0.5 inches lower.
S 420 CDI long
S 250 CDI BlueEFFICIENCY
58
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
73.7
83.5
58.5
Blueprint Mercedes S 250 CDI BlueEFFICIENCY 7G-TRONIC PLUS (11 - 13)
73.7
83.5
73.7 in
Width
73.7 in
83.5 in
Width Incl. Mirrors
83.5 in
58 in
Height
58.5 in
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
124.6
205.1
Blueprint Mercedes S 250 CDI BlueEFFICIENCY 7G-TRONIC PLUS (11 - 13)
119.5
200.6
205.1 in
Length
200.6 in
124.6 in
Wheelbase
119.5 in

Vehicle Weight

S 420 CDI long
S 250 CDI BlueEFFICIENCY
4718 lb
Curb Weight
4343 lb
5864 lb
Gross Vehicle
Weight
5622 lb
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
375 lb
7.95 %
Mercedes S 250 CDI BlueEFFICIENCY 7G-TRONIC PLUS (11 - 13)

General

S 420 CDI long
S 250 CDI BlueEFFICIENCY
W221
Generation
W221
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

S 420 CDI long
S 250 CDI BlueEFFICIENCY
V8 diesel engine with tur­bo­charger
Engine Type
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz OM 651
OM 629.911
Engine Code
OM 651.961
4
Valves
4
8
Cylinders
4
4 L / 196 cu in
Displacement
2.1 L / 103 cu in
316 hp
at 3600 rpm
Power
201 hp
at 4200 rpm
S 420 CDI long
316 hp
201 hp
S 250 CDI BlueEFFICIENCY
538 lb‑ft
at 2200 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
S 420 CDI long
538 lb‑ft
369 lb‑ft
S 250 CDI BlueEFFICIENCY

Performance

S 420 CDI long
S 250 CDI BlueEFFICIENCY
155 mph
Maximum Speed
149 mph
6 sec
Acceleration 0 to 62 mph
8.2 sec
62 mph 62
mph

272 ft
0.000 sec

S 420 CDI long

62 mph 62
mph

374 ft
0.000 sec

S 250 CDI BlueEFFICIENCY

▶ REPLAY
14.93 lb/hp
Weight-to-Power Ratio
21.61 lb/hp
S 420 CDI long
14.93 lb/hp
21.61 lb/hp
S 250 CDI BlueEFFICIENCY

Fuel Economy / Emissions

S 420 CDI long
S 250 CDI BlueEFFICIENCY
Fuel Economy
25 mpg
combined
41 mpg
S 420 CDI long
25 mpg
41 mpg
S 250 CDI BlueEFFICIENCY
18 mpg
city
34 mpg
33 mpg
highway
47 mpg
Kraftstoffanzeige
23.8 gal
Fuel Tank Capacity
21.9 gal
Kraftstoffanzeige
595 mi
Range
905 mi
S 420 CDI long
595 mi
905 mi
S 250 CDI BlueEFFICIENCY
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).
117.3 kWh
S 420 CDI long
193.4 kWh
117.3 kWh
S 250 CDI BlueEFFICIENCY
Euro 4 III
Emission Standard
Euro 5
398 g/mi (NEFZ)
CO2 Emissions
240 g/mi (NEFZ)

Practical Convenience

S 420 CDI long
S 250 CDI BlueEFFICIENCY
4
Doors
4
5
No. of Seats
5
1146 lb
Maximum Payload
1279 lb
15.9 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data