Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC 2009

Key specs

Mercedes-Benz S-class (Sedan) S-class (W221, facelift 2009) 2009,2010

What is the body type, Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC 2009?

Sedan, 4 Doors, 5 Seats

What is the fuel economy, Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC 2009?

9.1-9.3 l/100 km 25.85 - 25.29 US mpg
13-13.2 l/100 km 18.09 - 17.82 US mpg
6.9-7.1 l/100 km 34.09 - 33.13 US mpg

How much power, Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC 2009?

320 Hp @ 3600 rpm.
80.1 Hp/l

How fast is the car, Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC 2009?

250 km/h 155.34 mph

What is the engine size, Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC 2009?

3996 cm3
243.85 cu. in.

How many cylinders, Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC 2009?

8, V-engine

What is the drivetrain, Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC 2009?

Rear wheel drive,

How long is this vehicle, Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC 2009?

5096 mm
200.63 in.

How wide is the vehicle, Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC 2009?

1871 mm
73.66 in.

What is the curb weight, Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 (320 Hp) G-TRONIC 2009?

2015 kg
4442.31 lbs.

Mercedes-Benz S-class (Sedan) S-class (W221, facelift 2009) 2009,2010 Specs

General information

Brand Mercedes-Benz
Model S-class (Sedan)
Version S-class (W221, facelift 2009)
Engine version S 450 CDI V8 (320 Hp) G-TRONIC
Year production start 2009
Year production end 2010
Vehicle type Sedan
Horsepower RPM 320 Hp @ 3600 rpm.
Acceleration 0 - 100 kmh sec 6.6 sec
Curb weight kg -lbs total

2015 kg

4442.31 lbs.
Overall length mm - inch

5096 mm

200.63 in.
Doors 4
Top Speed 250 km/h 155.34 mph

Engine specs

Designation model OM 629.911
Engine position and orientation Front, Longitudinal
Cylinders 8
Position of cylinders V-engine
Displacement (liters)

3996 cm3

243.85 cu. in.
Eng. horsepower RPM 320 Hp @ 3600 rpm.
Horsepower per litre 80.1 Hp/l
Weight / horsepower kg/hp - hp/tons

6.3 kg/Hp

158.8 Hp/tonne
Weight / torque kg/Nm - Nm/tons 2.8 kg/Nm, 362.3 Nm/tonne

2.8 kg/Nm

362.3 Nm/tonne
Torque Nm RPM lb-ft RPM

730 Nm @ 2200 rpm.

538.42 lb.-ft. @ 2200 rpm.
Compression ratio 17
Fuel delivery system Diesel Commonrail
Fuel type Diesel
Engine aspiration Turbocharger, Intercooler
Engine oil liters | quarts

10.5 l

11.1 US qt | 9.24 UK qt
Powertrain architecture Internal Combustion engine
Engine location Front, Longitudinal

Transmission and Drive system

Drive configuration Rear wheel drive

Brakes

Front brakes Disc
Rear brakes Disc
Anti-lock brake system ABS (Anti-lock braking system)

Steering

Steering type Steering rack and pinion
Turning diameter m - ft

11.8 m

38.71 ft.

Suspension

Body / Chassis

Wheels & Tyres

Wheels size 255/45 R18
Wheels rims 18

Exterior

Interior

Safety and Security

Passenger

Passengers seats 5
Trunk space min liter | cu. Ft.

560 l

19.78 cu. ft.

Dimensions

Overall length mm - inch

5096 mm

200.63 in.
Overall width mm -inch

1871 mm

73.66 in.
Overall height mm -inch

1479 mm

58.23 in.
Wheelbase mm - inch

3035 mm

119.49 in.
Track width front mm - inch

1600 mm

62.99 in.
Track width rear mm - inch

1606 mm

63.23 in.

Weights

Curb weight kg -lbs total

2015 kg

4442.31 lbs.
Gross weight kg -lbs total

2690 kg

5930.43 lbs.
Capacities kg - lbs

675 kg

1488.12 lbs.
Fuel tank liters | gallons

90 l

23.78 US gal | 19.8 UK gal

Fuel economy

City l/100km - mpg

13-13.2 l/100 km

18.09 - 17.82 US mpg
Highway l/100 km - mpg

6.9-7.1 l/100 km

34.09 - 33.13 US mpg
Combined l/100 km - Mpg

9.1-9.3 l/100 km

25.85 - 25.29 US mpg
Autonomy km (combined use) 989

Engine type

8 CYLINDER V-Engine
It's an engine with eight cylinder piston where the cylinders share a common crankshaft and are arranged in a V configuration.

What is the 8 cylinder V-engine displacement: it is in a range between 2926 cc and 8135 cc in recent model line up powertrain.

How much is the power of the 8 cylinder V-engine: the power of the 8 cylinder V-engine is in a range from 125 bhp to 1160 bhp.

Which cars use 8 cylinder V-engine: in recent years several manufactures have been used the V8 engine for 3 main applications: premium, sport cars and lightweight trucks. 8 V engine is the American preferred engine for iconic giant pick-up.

What is the eight cylinder V angle: the majority of V8 engines use a V-angle of 90 degrees. This angle results in good engine balance and low vibrations. The downside is a larger powertrain body that makes the use of this configuration suitable only for longitudinal position and rear drive wheels traction.

V8 engines with a 60 degree V-angle were used in the 1996-1999 by Ford and in 2005-2011 by Volvo. The Ford engine used a 60 degree V-angle because it was based on a V6 engine with a 60 degree V-angle. Both the Ford and Volvo engines were used in transverse engine chassis, which were designed for a front-wheel-drive layout. To reduce the vibrations caused by the unbalanced 60 degree V-angle, Volvo's used a balance shaft and offset split crankpins.

The Rolls-Royce Meteorite tank engine also used a 60 degree V-angle, since it was derived from the 60 degree V12 Rolls-Royce Meteor which in turn was based on the famous Rolls-Royce Merlin V12 engine.

Most V8 engines fitted to road cars use a cross-plane crankshaft, since this configuration produces less vibration due to the perfect primary balance and secondary balance.

The rumbling exhaust sound produced by a typical cross-plane V8 engine is partly due to the uneven firing order within each of the two banks of four cylinders and with separate exhaust systems for each bank of cylinders, this uneven pulsing creates the legendary rumbling sound that is typically of V8 engines.

edited by arrabbiata

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