Mercedes-Benz S class V (W221) Sedan Long All photos (20)
Mercedes-Benz S class V (W221) · Sedan Long · 2005–2009

Mercedes-Benz S class 420 Long 4.0 AT 320 HP

DieselAutomatic, 7 gearsRear driveEuro 4
Power
320 hp · 235 kW
Torque
730 Nm
0–100 km/h
6.0 s
Top speed
250 km/h
Fuel consumption
9.4 l/100 km
On a full tank
~960 km
Other versions of this body · 14
350 Long 3.5 AT 272 HP 350 Long 3.5 AT 272 HP AWD 420 Long 4.0 AT 320 HP 450 Long 4.7 AT 340 HP 450 Long 4.7 AT 340 HP AWD 500 Long 5.5 AT 388 HP All versions →

Consumption and performance

manufacturer data
Top speed
250 km/h
Acceleration 0–100 km/h
6 s
Fuel tank
90 l

Engine

OM629.911 · 3,996 cm³
Engine type
Diesel
Engine code
OM629.911
Displacement
3,996 cm³
Max power
235 kW / 320 hp
Torque
730 Nm at 2200 rpm
Fuel system
Diesel, Common rail
Turbo
Turbo
Engine position
V type
Cylinders
8
Valves per cylinder
4
Valvetrain
DOHC
Bore
86 mm
Stroke
86 mm
Compression ratio
18
Emission standard
Euro 4

Transmission

Drive
Rear
Gearbox
Automatic
Gears
7

Dimensions and capacity

Body code W221 · class F
Body type
Sedan
Doors
4
Seats
4
Length
5,206 mm
Width
1,871 mm
Height
1,473 mm
Wheelbase
3,165 mm
Front track
1,600 mm
Rear track
1,606 mm
Ground clearance
145 mm
Kerb weight
2,000 kg
Max weight
2,580 kg
Boot space (min)
560 l
Boot space (max)
560 l

Wheels, brakes and chassis

Tyre size
235/55/R17
Optional tyre sizes
255/35R20, 275/35R20, 275/40R19, 275/45R18
Rim size
8jx17
Wheel fitment (PCD, CB)
DIA66.6 5x112
Front brakes
Ventilated discs
Rear brakes
Discs
Front suspension
Independent, air suspension
Rear suspension
Independent, air suspension