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Mercedes-Benz S-class W221 (2005–2009) Specs

Specifications, engines, dimensions and technical data.

Gen 5 2005 - 2013 W221 Sedan
Mercedes-Benz S-class
Engine —
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Body Style



Mercedes-Benz S-class W221 overview

The Mercedes-Benz S-class (W221) is the 5th generation of the S-class, built from 2005 to 2009. It is offered as a Sedan with 8 engines (diesel, petrol), from 235 HP to 612 HP. The AMG S 63 (525 Hp) 7G-TRONIC accelerates from 0 to 100 km/h in 4.6 s, reaches a top speed of 250 km/h and is 5209 mm long.

How much horsepower does the Mercedes-Benz S-class have?

The Mercedes-Benz S-class (W221) has 235 HP to 612 HP, depending on the engine: 3.0 Om642 (235 HP), 3.5 M272 (272 HP), 4.0 Om629 (320 HP), 4.7 M273 (340 HP), 5.5 M273 (388 HP), 5.5 M275 (517 HP), 6.2 M156 (525 HP), 6.0 M275 (612 HP).

What engines are available for the Mercedes-Benz S-class?

The Mercedes-Benz S-class is available with 8 engines: 3.0 Om642 (235 HP, diesel), 3.5 M272 (272 HP, petrol), 4.0 Om629 (320 HP, diesel), 4.7 M273 (340 HP, petrol), 5.5 M273 (388 HP, petrol), 5.5 M275 (517 HP, petrol), 6.2 M156 (525 HP, petrol), 6.0 M275 (612 HP, petrol).

What are the dimensions of the Mercedes-Benz S-class?

The Mercedes-Benz S-class is 5209 mm long, 1872 mm wide, 1473 mm tall, with a 3165 mm wheelbase.

How fast is the Mercedes-Benz S-class?

The Mercedes-Benz S-class AMG S 63 (525 Hp) 7G-TRONIC goes from 0 to 100 km/h in 4.6 s and has a top speed of 250 km/h.

Advanced Specs

Overview

Generation Mercedes-Benz S-class Long V221
Year 2006–2009
Platform Mercedes-Benz W221
Variant AMG S 63 (525 Hp) 7G-TRONIC
Body type sedan
Engine type Fuel
Fuel type Petrol
Seats 4
Doors 4

Power & torque

Power 525 HP
Power @ max rpm 6800 rpm
Torque 630 Nm
Torque @ max rpm 5200 rpm

Performance

Top speed 250 km/h
0–100 km/h 4.6 s
0–62 mph 4.6 s

Engine

Engine code M156.984
Displacement 6208 cc
Cylinders 8
Configuration V Engine
Bore 102.2 mm
Stroke 94.6 mm
Compression ratio 11.3
Valves per cylinder 4
Injection system Multi Port Manifold Injection
Aspiration Naturally Aspirated Engine
Valvetrain dohc
Oil capacity 8.8 L
Coolant 10.7 L
Engine layout Front Longitudinal

Drivetrain & transmission

Drive Rear Wheel Drive
Powertrain architecture Internal Combustion Engine
Drivetrain architecture The Internal Combustion Engine Ice Drives The Rear Wheels Of The Vehicle
Gearbox type torque_converter
Gears 7
Gearbox code amg-722.9
Gearbox manufacturer Mercedes Benz

Dimensions

Length 5209 mm
Width 1872 mm
Height 1473 mm
Wheelbase 3165 mm
Front track 1604 mm
Rear track 1606 mm
Boot space 0 – 560 L
Turning circle 12.2 m

Mass

Kerb weight 2040 kg
Max weight 2615 kg
Max load 575 kg

Consumption & emissions

Fuel combined 14.9 L/100km
Fuel urban 23.2 L/100km
Fuel extra urban 10.2 L/100km
CO₂ emissions 355 g/km
Fuel tank 90.0 L

Chassis & brakes

Front suspension Air Suspension
Rear suspension Air Suspension
Front brakes Ventilated Discs
Rear brakes Ventilated Discs
Tire size 255/40 R19; 275/40 R19
Wheel rims 19
Assisting systems Abs Anti Lock Braking System

Efficiency ratios

Weight-to-power 3.9 kg/Hp, 257.4 Hp/tonne
Weight-to-torque 3.2 kg/Nm, 308.8 Nm/tonne

Other

Start Of Production 2006
End Of Production 2009
Width Including Mirrors 2115
Front Overhang 871
Rear Overhang 1173

Performance

Engine speed (1k/rpm)

Figures from catalog data; real-world values may differ.

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