Mercedes-Benz S-class (W221, facelift 2009) S 500 V8 (388 Hp) 4MATIC G-TRONIC 2009

Key specs

Mercedes-Benz S-class (Sedan) S-class (W221, facelift 2009) 2009,2010,2011

What is the body type, Mercedes-Benz S-class (W221, facelift 2009) S 500 V8 (388 Hp) 4MATIC G-TRONIC 2009?

Sedan, 4 Doors, 5 Seats

What is the fuel economy, Mercedes-Benz S-class (W221, facelift 2009) S 500 V8 (388 Hp) 4MATIC G-TRONIC 2009?

11.3-11.4 l/100 km 20.82 - 20.63 US mpg
16.8-16.9 l/100 km 14 - 13.92 US mpg
8.1-8.2 l/100 km 29.04 - 28.68 US mpg

How much power, Mercedes-Benz S-class (W221, facelift 2009) S 500 V8 (388 Hp) 4MATIC G-TRONIC 2009?

388 Hp @ 6000 rpm.
71 Hp/l

How fast is the car, Mercedes-Benz S-class (W221, facelift 2009) S 500 V8 (388 Hp) 4MATIC G-TRONIC 2009?

250 km/h 155.34 mph

What is the engine size, Mercedes-Benz S-class (W221, facelift 2009) S 500 V8 (388 Hp) 4MATIC G-TRONIC 2009?

5461 cm3
333.25 cu. in.

How many cylinders, Mercedes-Benz S-class (W221, facelift 2009) S 500 V8 (388 Hp) 4MATIC G-TRONIC 2009?

8, V-engine

What is the drivetrain, Mercedes-Benz S-class (W221, facelift 2009) S 500 V8 (388 Hp) 4MATIC G-TRONIC 2009?

All wheel drive (4x4),

How long is this vehicle, Mercedes-Benz S-class (W221, facelift 2009) S 500 V8 (388 Hp) 4MATIC G-TRONIC 2009?

5096 mm
200.63 in.

How wide is the vehicle, Mercedes-Benz S-class (W221, facelift 2009) S 500 V8 (388 Hp) 4MATIC G-TRONIC 2009?

1871 mm
73.66 in.

What is the curb weight, Mercedes-Benz S-class (W221, facelift 2009) S 500 V8 (388 Hp) 4MATIC G-TRONIC 2009?

1955 kg
4310.04 lbs.

Mercedes-Benz S-class (Sedan) S-class (W221, facelift 2009) 2009,2010,2011 Specs

General information

Brand Mercedes-Benz
Model S-class (Sedan)
Version S-class (W221, facelift 2009)
Engine version S 500 V8 (388 Hp) 4MATIC G-TRONIC
Year production start 2009
Year production end 2011
Vehicle type Sedan
Horsepower RPM 388 Hp @ 6000 rpm.
Acceleration 0 - 100 kmh sec 5.4 sec
Curb weight kg -lbs total

1955 kg

4310.04 lbs.
Overall length mm - inch

5096 mm

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

Engine specs

Designation model M 273.968
Engine position and orientation Front, Longitudinal
Cylinders 8
Position of cylinders V-engine
Displacement (liters)

5461 cm3

333.25 cu. in.
Eng. horsepower RPM 388 Hp @ 6000 rpm.
Horsepower per litre 71 Hp/l
Weight / horsepower kg/hp - hp/tons

5 kg/Hp

198.5 Hp/tonne
Weight / torque kg/Nm - Nm/tons 3.7 kg/Nm, 271.1 Nm/tonne

3.7 kg/Nm

271.1 Nm/tonne
Torque Nm RPM lb-ft RPM

530 Nm @ 2800-4800 rpm.

390.91 lb.-ft. @ 2800-4800 rpm.
Compression ratio 10.7
Fuel delivery system Multi-point indirect injection
Fuel type Petrol (Gasoline)
Valvetrain 4
Engine aspiration Naturally aspirated engine
Engine oil liters | quarts

8.5 l

8.98 US qt | 7.48 UK qt
Powertrain architecture Internal Combustion engine
Engine location Front, Longitudinal

Transmission and Drive system

Drive configuration All wheel drive (4x4)

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

1955 kg

4310.04 lbs.
Gross weight kg -lbs total

2640 kg

5820.2 lbs.
Capacities kg - lbs

685 kg

1510.17 lbs.
Fuel tank liters | gallons

90 l

23.78 US gal | 19.8 UK gal

Fuel economy

City l/100km - mpg

16.8-16.9 l/100 km

14 - 13.92 US mpg
Highway l/100 km - mpg

8.1-8.2 l/100 km

29.04 - 28.68 US mpg
Combined l/100 km - Mpg

11.3-11.4 l/100 km

20.82 - 20.63 US mpg
Autonomy km (combined use) 818

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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