This S450 7G-Tronic 4MATIC (340 hp) engine was fitted in the W221 Sedan (4-door), which was produced by Mercedes-Benz from 2005 to 2009. In addition to this engine, 20 other engines were also available for this body — their technical data and fuel economy are accessible by clicking the body name at the top of the page.
| City fuel consumption per 100 km | 16.9litre |
|---|---|
| Highway fuel consumption per 100 km | 8.5litre |
| Mixed fuel consumption per 100 km | 11.6litre |
| Fuel tank capacity | 90litre |
| Cruising range | from 530 to 1 060km |
| Fuel | 95 RON |
| Emission standard | EURO IV |
| Top speed | 250km/h |
| Acceleration (0–100 km/h) | 5.9second |
| Displacement | 4663cm3 |
|---|---|
| Engine power | 340bhp |
| RPM at max power | to 6 000RPM |
| Maximum torque | 460Nm |
| RPM at max torque | 2700up to 5 000 RPM |
| Engine type | Gasoline |
| Cylinder layout | V-type |
| Injection type | Multi-point injection |
| Number of cylinders | 8 |
| Valves per cylinder | 4 |
| Bore | 92.9mm |
| Stroke | 86mm |
| Gearbox | Automatic |
|---|---|
| Number of gears | 7 |
| Drive wheels | All-wheel drive (AWD) |
| Turning circle | 11.8m |
| Seats | 5 |
|---|---|
| Length | 5080mm |
| Width | 1871mm |
| Height | 1473mm |
| Wheelbase | 3035mm |
| Front track | 1600mm |
| Rear track | 1606mm |
| Kerb weight | 2010kg |
| Gross weight | 2620kg |
| Displacement | 610kg |
| Min. boot capacity | 560litre |
| Max. boot capacity | 560litre |
| Permitted road-train weight | 4720kg |
| Body type | Sedan |
| Ground clearance | 150mm |
| Front suspension | Independent, Pneumatic, Lever, Dampers |
|---|---|
| Rear suspension | Independent, Pneumatic, Multi wishbone, Dampers |
| Front brakes | Ventilated disc |
| Rear brakes | Disc |
| City | 20.3 litres / 100km |
|---|---|
| Highway | 10.2 litres / 100km |
| Average | 13.9 litres / 100km |
Estimated from official figures. Actual consumption varies by driving style and conditions.