Mercedes-Benz S-Klasse (W221) 450 V8 CDI L 7AT RWD (420 HP)
Mercedes-Benz S-Klasse (W221) · 2009 - 2013 · Diesel
The Mercedes-Benz S-Klasse (W221) 450 V8 CDI L 7AT RWD (420 HP) produces 420 hp and 729 Nm. It accelerates from 0 to 100 km/h in 6.6 seconds and reaches 249 km/h. Stated combined consumption is 9.2 l/100 km, equal to 245 g CO2 per km.
- Power
- 420 hp
- Torque
- 729 Nm
- 0–100
- 6.6 s
- Top speed
- 249 km/h
Engine
| Power | 420 hp |
|---|---|
| Power (kW) | 309 kW |
| Torque | 729 Nm |
| Displacement | 3,996 cc |
| Cylinders | V8 |
| Fuel system | Turbocharged Common Rail |
| Fuel | Diesel |
| Fuel tank capacity | 90 l |
Performance
| Top speed | 249 km/h |
|---|---|
| Acceleration 0–100 km/h | 6.6 s |
Fuel economy and emissions
| Combined consumption | 9.2 l/100 km |
|---|---|
| City consumption | 13.1 l/100 km |
| Highway consumption | 7.0 l/100 km |
| CO2 emissions | 245 g/km |
Transmission
| Gearbox | 7-Speed Automatic (G Tronic) |
|---|---|
| Drivetrain | Rear Wheel Drive |
Dimensions and weight
| Length | 5,225 mm |
|---|---|
| Width | 1,869 mm |
| Height | 1,478 mm |
| Wheelbase | 3,165 mm |
| Ground clearance | 147 mm |
| Cargo volume | 558 l |
| Unladen weight | 2,150 kg |
| Gross weight limit | 2,700 kg |
| Tyre size | 255/45 R18 |
| Front brakes | Ventilated Discs |
| Rear brakes | Ventilated Discs |
How this trim compares to other cars
The Mercedes-Benz S-Klasse (W221) 450 V8 CDI L 7AT RWD (420 HP) compared with 7,629 trims of other cars from the 2006–2012 period.
| Measure | This trim | Average | Position |
|---|---|---|---|
| Power | 420 hp | 194 hp |
better than 95%
|
| Torque | 729 Nm | 310 Nm |
better than 98%
|
| Top speed | 249 km/h | 209 km/h |
better than 84%
|
| Acceleration 0–100 km/h | 6.6 s | 9.4 s |
better than 82%
|
| Combined consumption | 9.2 l/100 km | 7.5 l/100 km |
better than 23%
|
| CO2 emissions | 245 g/km | 172 g/km |
better than 10%
|
| Cargo volume | 558 l | 469 l |
better than 84%
|
| Unladen weight | 2,150 kg | 1,527 kg |
better than 5%
|
Percentages show the share of trims from the same period this model beats on that measure. Manufacturer figures.
Trims and engine versions — Mercedes-Benz S-Klasse (W221)
| Trim | Fuel | Power | Torque | 0–100 | Top speed | Fuel economy | CO2 | Select |
|---|---|---|---|---|---|---|---|---|
| 250 CDI BlueEFFICIENCY 7AT RWD (204 HP) | Diesel | 204 hp | 500 Nm | 8.2 s | 240 km/h | 5.7 l/100 km | 150 g/km | |
| 250 CDI BlueEFFICIENCY 7AT RWD (204 HP) | Diesel | 204 hp | 500 Nm | 8.2 s | 240 km/h | 5.7 l/100 km | 150 g/km | |
| 350 V6 CDI BlueEFFICIENCY L 7AT RWD (235 HP) | Diesel | 235 hp | 540 Nm | 7.8 s | 249 km/h | 7.7 l/100 km | 204 g/km | |
| 350 V6 CDI BlueEFFICIENCY 7AT RWD (235 HP) | Diesel | 235 hp | 540 Nm | 7.8 s | 249 km/h | 7.6 l/100 km | 200 g/km | |
| 350 V6 CDI 4MATIC L 7AT AWD (235 HP) | Diesel | 235 hp | 540 Nm | 7.8 s | 245 km/h | 7.9 l/100 km | 211 g/km | |
| 350 V6 CDI 4MATIC 7AT AWD (235 HP) | Diesel | 235 hp | 540 Nm | 7.8 s | 245 km/h | 7.9 l/100 km | 211 g/km | |
| 350 V6 BlueTEC 4MATIC 7AT AWD (258 HP) | Diesel | 258 hp | 620 Nm | 7.1 s | 249 km/h | 7.4 l/100 km | 195 g/km | |
| 350 V6 BlueTEC L 7AT RWD (258 HP) | Diesel | 258 hp | 620 Nm | 7.1 s | 249 km/h | 6.4 l/100 km | 166 g/km | |
| 350 V6 BlueTEC 7AT RWD (258 HP) | Diesel | 258 hp | 620 Nm | 7.1 s | 249 km/h | 6.4 l/100 km | 166 g/km | |
| 350 V6 BlueTEC 4MATIC L 7AT AWD (258 HP) | Diesel | 258 hp | 620 Nm | 7.1 s | 249 km/h | 7.4 l/100 km | 195 g/km | |
| 350 V6 L 7AT RWD (272 HP) | Petrol | 272 hp | 350 Nm | 7.3 s | 249 km/h | 10.1 l/100 km | 237 g/km | |
| 350 V6 7AT RWD (272 HP) | Petrol | 272 hp | 350 Nm | 7.3 s | 249 km/h | 10.1 l/100 km | 237 g/km |