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Mercedes S-Class S400 3.5 AT Luxury Equipment — Fifth Generation Restyling

This look at the Mercedes S-Class S400 3.5 AT Luxury takes the passenger's point of view, covering the ordinary things that matter when people share a cabin for a journey.

5 generation, restyling · Sedan Long

2009–2013

S400 3.5 AT

Hybrid · Automatic · RWD

At a glance

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Luxury

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Specifications

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Performance & powertrain

Top speed
?

The highest speed a vehicle can sustain under manufacturer test conditions. Some cars are electronically limited below their mechanical potential. Glossary entry

250 km/h
Engine type
Hybrid
Transmission
Automatic
Type of boost
?

A turbocharger or supercharger compresses the air entering the engine so a smaller engine can produce more power. Naturally aspirated engines draw air without a compressor. Glossary entry

No
Type of drive
?

Which wheels receive power: front-wheel drive, rear-wheel drive or all-wheel drive. All-wheel drive can send power to every wheel for extra traction. Glossary entry

RWD
Bore and stroke
?

The diameter of a cylinder (bore) and the distance the piston travels inside it (stroke). Together they determine the displacement of the engine. Glossary entry

92.9 × 86 mm
Engine capacity
?

The total volume swept by all pistons inside the cylinders, usually stated in cubic centimetres or litres. Larger displacement often means more power but higher consumption. Glossary entry

3498 cm³
Engine location
Front, longitudinal
Number of gears
?

How many fixed forward ratios a gearbox offers. More gears can improve economy and refinement; continuously variable transmissions have no fixed steps. Glossary entry

7
Maximum power
?

A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry

299 hp
Maximum power, kw
?

A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry

220 kW
Compression ratio
?

The ratio between the largest and smallest volume of a cylinder as the piston moves. Higher ratios improve efficiency but may require higher-octane fuel. Glossary entry

10.7
Maximum power rpm
6000 rpm
Maximum torque N⋅m
385 N⋅m
Maximum torque rpm
2400 – 5000 rpm
Acceleration to 100
?

The time a vehicle needs to reach 100 km/h from a standstill, a common shorthand for overall performance. Glossary entry

7.2 s
Engine power system
Distributed injection (multi-point)
Number of cylinders
6
Valves per cylinder
?

The number of intake and exhaust valves in each cylinder. Four valves per cylinder is common and helps the engine breathe at higher speeds. Glossary entry

4
Cylinder arrangement
V-shaped
Maximum power ICE
Not provided
Maximum power ICE
Not provided

Energy & emissions

ECO class
Euro 5
Battery power
Not provided
Fuel grade
95
Mild Hybrid
?

A car with a small electric motor and battery that assist the combustion engine and recover braking energy but cannot drive on electricity alone. Glossary entry

Not provided
Battery type
Not provided
CO2 emissions
?

The amount of carbon dioxide released per kilometre under a standardised test. Lower figures usually go hand in hand with lower fuel consumption. Glossary entry

188 g/km
Full charge home
Not provided
Power consumption
Not provided
Fuel tank capacity
90 l
Full public charging time
Not provided
Driving range, maximum
?

The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry

Not provided
Driving range, minimum
?

The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry

Not provided
Fuel consumption city
10.8 l
Average consumption
8 l
Fuel consumption highway
6.4 l

Dimensions & body

Doors number
4
Number of seats
4
Width
1871 mm
Height
1485 mm
Length
5226 mm
Body type
Sedan Long
Wheelbase
?

The distance between the centres of the front and rear wheels. A longer wheelbase usually gives more cabin space and a calmer ride; a shorter one helps agility and parking. Glossary entry

3165 mm
U-turn diameter
Not provided
Depth of the ford to be crossed
Not provided
Body style
Sedan
Rear track width
?

The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry

1606 mm
Trunk volume max
Not provided
Trunk volume min
560 l
Front track width
?

The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry

1600 mm
Max weight
2550 kg
Curb weight
?

The weight of the vehicle with all standard equipment and fluids but without passengers or cargo. Glossary entry

1955 kg
Ground clearance, maximum
?

The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry

Not provided
Ground clearance, minimum
?

The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry

145 mm

Identity & configuration

Body code
W221
Vehicle class
F
Body designation
V221
Right-hand drive
No

Additional specifications

Stop
2013-05-31
Start
2009-06-01
Wheel size
Not provided
Rear brakes
Disc
Front brakes
Ventilated disc
Rear suspension
Independent, pneumatic
Front suspension
Independent, pneumatic

Trim equipment

Dimensions & body

Number of seats
4

Additional specifications

Driver Assistance Systems
Anti-lock braking system (ABS), Electronic stability program (ESP), Hill start assist (HAS), Emergency brake assist (BAS, EBD, EBA), Automatic slip regulation (ASR)
Stop
2013-05-31
View
Fog lamp, Headlight washer system, Light sensor, Rain sensor
Suspension and spare wheel
Air suspension
Start
2009-06-01
Airbags
Driver's airbag, Passenger airbag, Side front airbags, Side rear airbags, Window airbags (curtains)
Camera
Rear-view camera
Isofix
Isofix for the back row
Material
Alloy
Comfort
On-board computer, Power folding mirrors, Power mirrors, Multifunction steering wheel, Electronic parking brake
Exterior
Metallic
Interior
Folding rear seat, Third rear headrest, Kicking plates, Sunroof, Power window, Heat insulated windshield
Safety
Driver drowsiness detection, Tire pressure sensors
Sound
Audio system
Diameter
R20 ″
Multimedia
Rear seat entertainment systems, DVD/CD player
Cruise control
Cruise control
Parking assist system
Front parking sensors, Rear parking sensors
Power steering
Power steering
Air conditioner
Dual-zone climate control
Seat position memory
Front seats with memory function
Steering wheel adjustment
Steering wheel height adjustment, Steering wheel reach adjustment
Anti theft system
Keyless central locking, Immobilizer
Seat trim
Genuine leather seats
Power seat adjustment
Front seat adjustment

Not provided means the source has no value. Zero remains zero. Units are shown as supplied; range test cycles are only stated when known.

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Units

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Comfort and Convenience

Cabin temperature is the classic example: the setting one person finds pleasant can feel stuffy or chilly to someone sitting beside them. Preferences vary with clothing, build and where sunlight falls, so agreement is usually a negotiation.

Safety and Driver Assistance

It is worth spending a moment before setting off to locate the essentials: mirrors, hazard lights, demisting, the horn. Doing this while stationary means fewer decisions to make later, when the road already demands attention.

Multimedia and Connectivity

Long journeys drain phone batteries, which matters when a passenger is handling navigation. If a charging point is available, agreeing who uses it avoids a flat phone; calls and music are separate questions, settled by whoever is not driving.