Mercedes-Benz S-Class 2005 - 2009 (W221), Sedan 4-dr., S 420 CDI 7G-Tronic long base (320 h.p.)

Bodywork
- Number of seater: 4
- Ground clearance: 150 mm
- Body type: Sedan
- Front track: 1473 mm
- Rear track: 1600 mm
- Max trunk capacity: 560 litre
- Full weight: 2660 kg
- Width: 1871 mm
- Length: 5210 mm
- Payload: 520 kg
- Trailer load (with brakes): 4760 kg
- Wheelbase: 3165 mm
Engine
- Cylinder layout: V-type
- Number of cylinders: 8
- Engine type: Diesel
- Injection type: Common Rail
- Boost type: Turbo
- Stroke cycle: 83 mm
- Max power at RPM: to 3 600 RPM
- Engine power: 320 bhp
- Capacity: 3996 cm3
- Turnover of maximum torque: to 2 200 RPM
- Maximum torque: 730 N*m
Gearbox and handling
- Gearbox type: Automatic
- Drive wheels: Rear wheel drive
- Turning circle: 12.2 m
Operating characteristics
- Max speed: 250 km/h
- Acceleration (0-100 km/h): 6 second
- Fuel: Disel
- Highway driving fuel consumption per 100 km: 9.4 litre
- Emission standards: EURO IV
- Mixed driving fuel consumption per 100 km: 7.2 litre
- City driving fuel consumption per 100 km: 13 litre
- Fuel tank capacity: 90 litre
- Cruising range: from 690 to 1 250 km
Suspension and brakes
- Front brakes: ventilated disc
- Rear brakes: Disc
- Back suspension: Independent, Pneumatic, Multi wishbone, Dampers
- Front suspension: Independent, Pneumatic, Lever, Dampers

Bodywork