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Mercedes-Benz S-Class (W221) 420 V8 CDI Lang 7AT RWD (320 HP)

Mercedes-Benz S-Class (W221) · 2005 - present · Diesel

The Mercedes-Benz S-Class (W221) 420 V8 CDI Lang 7AT RWD (320 HP) produces 320 hp and 730 Nm. It accelerates from 0 to 100 km/h in 6.6 seconds and reaches 250 km/h. Stated combined consumption is 9.4 l/100 km, equal to 252 g CO2 per km.

Power
320 hp
Torque
730 Nm
0–100
6.6 s
Top speed
250 km/h

Engine

Power 320 hp
Power (kW) 235 kW
Torque 730 Nm
Displacement 3,996 cc
Cylinders V8
Fuel system Common Rail
Fuel Diesel
Fuel tank capacity 90 l

Performance

Top speed 250 km/h
Acceleration 0–100 km/h 6.6 s

Fuel economy and emissions

Combined consumption 9.4 l/100 km
City consumption 13.0 l/100 km
Highway consumption 7.2 l/100 km
CO2 emissions 252 g/km

Transmission

Gearbox 7-Speed Automatic
Drivetrain Rear Wheel Drive

Dimensions and weight

Length 5,207 mm
Width 1,872 mm
Height 1,483 mm
Wheelbase 3,165 mm
Cargo volume 561 l
Unladen weight 2,140 kg
Gross weight limit 2,660 kg
Tyre size 235/55 R17
Front brakes Ventilated Discs
Rear brakes Ventilated Discs

How this trim compares to other cars

The Mercedes-Benz S-Class (W221) 420 V8 CDI Lang 7AT RWD (320 HP) compared with 7,186 trims of other cars from the 2002–2008 period.

How this trim compares to other cars
Measure This trim Average Position
Power 320 hp 180 hp
better than 92%
Torque 730 Nm 284 Nm
better than 99%
Top speed 250 km/h 206 km/h
better than 91%
Acceleration 0–100 km/h 6.6 s 9.9 s
better than 87%
Combined consumption 9.4 l/100 km 8.1 l/100 km
better than 25%
CO2 emissions 252 g/km 191 g/km
better than 13%
Cargo volume 561 l 495 l
better than 84%
Unladen weight 2,140 kg 1,475 kg
better than 5%

Percentages show the share of trims from the same period this model beats on that measure. Manufacturer figures.

Compare

Trims and engine versions — Mercedes-Benz S-Class (W221)

Trims and engine versions — Mercedes-Benz S-Class (W221)
Trim Fuel Power Torque 0–100 Top speed Fuel economy CO2 Select
320 V6 CDI 7AT RWD (235 HP) Diesel 235 hp 540 Nm 7.5 s 250 km/h 8.3 l/100 km 220 g/km
320 V6 CDI Lang 7AT RWD (235 HP) Diesel 235 hp 540 Nm 7.5 s 250 km/h 8.3 l/100 km 223 g/km
350 V6 7AT RWD (272 HP) Petrol 272 hp 350 Nm 7.3 s 250 km/h 10.1 l/100 km 242 g/km
350 V6 Lang 7AT RWD (272 HP) Petrol 272 hp 350 Nm 7.3 s 250 km/h 10.1 l/100 km 242 g/km
420 V8 CDI 7AT RWD (320 HP) Diesel 320 hp 730 Nm 6.6 s 250 km/h 9.4 l/100 km 247 g/km
450 V8 7AT RWD (340 HP) Petrol 340 hp 460 Nm 5.9 s 250 km/h 11.2 l/100 km 267 g/km
450 V8 Lang 7AT RWD (340 HP) Petrol 340 hp 460 Nm 5.9 s 250 km/h 11.3 l/100 km 267 g/km
500 Lang 7AT RWD (387 HP) Petrol 387 hp 530 Nm 5.4 s 250 km/h 11.8 l/100 km 279 g/km
500 V8 7AT RWD (387 HP) Petrol 387 hp 530 Nm 5.4 s 250 km/h 11.7 l/100 km 279 g/km
600 V8 5AT RWD (517 HP) Petrol 517 hp 830 Nm 4.6 s 250 km/h 14.3 l/100 km 340 g/km