
Before driving into a car wash
So that the vehicle can roll into a car wash ob‐
serve instructions for going into an automatic
car wash, refer to page 222.
Steptronic transmission
Switching off the engine1.Engage selector lever position P with the
vehicle stopped.2.Press the Start/Stop button.
The engine is switched off.
The radio-ready state is switched on.3.Set the parking brake.
Auto Start/Stop function
The concept The Auto Start/Stop function helps save fuel.
The system switches off the engine during a
stop, e.g., in traffic congestion or at traffic lights. The ignition remains switched on. The
engine starts again automatically for driving
off.
Automatic mode After every start of the engine using the Start/
Stop button, the Auto Start/Stop function is in
the last selected state, refer to page 71.
When the Auto Start/Stop function is active, it
is available when the vehicle is traveling faster
than about 3 mph, approx. 5 km/h.
Engine stop
The engine is switched off automatically dur‐
ing a stop under the following conditions:
Steptronic transmission:
▷The selector lever is in selector lever posi‐
tion D.▷Brake pedal remains depressed while the
vehicle is stopped.▷The driver's safety belt is buckled or the
driver's door is closed.
In order to be able to release the brake pedal,
engage lever in position P. The engine remains
off.
To continue driving depress the brake pedal.
When a gear is engaged, the engine starts au‐
tomatically.
The air flow from the air conditioner is reduced
when the engine is switched off.
Displays in the instrument cluster The READY display in the tach‐
ometer signals that the Auto
Start/Stop function is ready to
start the engine automatically.
The display indicates that the
conditions for an automatic en‐
gine stop have not been met.
Functional limitations The engine is not switched off automatically in
the following situations:
▷External temperature too low.▷The external temperature is high and auto‐
matic climate control is running.▷The car's interior has not yet been heated
or cooled to the required level.▷The engine is not yet at operating temper‐
ature.▷The wheels are at a sharp angle or the
steering wheel is being turned.▷After driving in reverse.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷Vehicle battery is heavily discharged.▷At higher elevations.▷The engine compartment lid is unlocked.Seite 70ControlsDriving70
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▷The parking assistant is activated.▷Stop-and-go traffic.▷Selector lever in selector lever position N,
M/S or R.▷Use of fuel with high ethanol content.
Starting the engine
The engine starts automatically under the fol‐
lowing conditions:
▷Steptronic transmission:
By releasing the brake pedal.
After the engine starts, accelerate as usual.
Safety mode
After the engine switches off automatically, it
will not start again automatically if any one of
the following conditions are met:
▷The driver's safety belt is unbuckled and
the driver's door is open.▷The hood was unlocked.
Some indicator lights light up for a varied
length of time.
The engine can only be started via the Start/
Stop button.
Functional limitations
Even if driving off was not intended, the deacti‐
vated engine starts up automatically in the fol‐
lowing situations:
▷Excessive warming of the car's interior
when the cooling function is switched on.▷The steering wheel is turned.▷Steptronic transmission: change from se‐
lector lever position D to R, N or M/S.▷Steptronic transmission: change from se‐
lector lever position P to N, D, R or M/S.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷Vehicle battery is heavily discharged.▷Excessive cooling of the car's interior when
the heating is switched on.Activating/deactivating the system
manually
Using the button
Press button.
▷LED comes on: Auto Start/Stop function is
deactivated.
The engine is started during an automatic
engine stop.
The engine can only be stopped or started
via the Start/Stop button.▷LED goes out: Auto Start/Stop function is
activated.
Switching off the vehicle during an
automatic engine stop
During an automatic engine stop, the vehicle
can be switched off permanently, e. g., when
leaving it.
1.Steptronic transmission: engage selector
lever position P.2.Press the Start/Stop button. The ignition is
switched off. The Auto Start/Stop function
is deactivated.3.Set the parking brake.
Engine start as usual via Start/Stop button.
Automatic deactivation
In certain situations, Auto Start/Stop function
is deactivated automatically for safety reasons
as if the driver were absent.
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CAUTION
With a range of less than 30 miles/50 km
it is possible that the engine will no longer have
sufficient fuel. Engine functions are no longer
ensured. There is risk of property damage. Re‐
fuel promptly.◀
Current fuel consumption Instrument cluster Displays the current fuel con‐
sumption. Check whether you
are currently driving in an effi‐
cient and environmentally-
friendly manner.
Instrument cluster with enhanced features
Displays the current fuel con‐
sumption. Check whether you
are currently driving in an effi‐
cient and environmentally-
friendly manner.
Displaying the current fuel
consumption
Depending on your vehicle's optional features,
the current fuel consumption can also be dis‐
played as bar in the instrument cluster.1."Settings"2."Instrument cluster"3."Additional indicators"Energy recovery
Display The energy of motion of the ve‐
hicle is converted to electrical
energy while coasting. The vehi‐
cle battery is partially charged
and fuel consumption can be re‐
duced.
Service requirements
The concept
After the ignition is turned on the instrument
cluster briefly displays available driving dis‐
tance or time to the next scheduled mainte‐
nance.
A service advisor can read out the current
service requirements from your remote con‐
trol.
Display
Detailed information on service
requirements
More information on the scope of service re‐
quired can be displayed on the Control Dis‐
play.1."Vehicle info"2."Vehicle status"3. "Service required"
Required maintenance procedures and le‐
gally mandated inspections are displayed.4.Select an entry to call up detailed informa‐
tion.Seite 87DisplaysControls87
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LightsVehicle features and optionsThis chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems. The respectively applicable country
provisions must be observed when using the
respective features and systems.
Overview Switches in the vehicle
The light switch elements is located next to the
steering wheel.
Light functions
SymbolFunctionFront fog lightsAutomatic headlight control
Corner-illuminating lightsLights off
Daytime running lightsSymbolFunctionParking lightsLow beamsInstrument lighting
Parking lights, cornering
lights and roadside parking
lights
General information Position of switch:
, ,
If the driver door is opened with the ignition
switched off, the exterior lighting is automati‐
cally switched off at these switch settings.
Parking lights
Position of switch:
The vehicle is illuminated on all sides.
Do not use the parking lights for extended pe‐
riods; otherwise, they might drain the battery
and it would then be impossible to start the en‐
gine.
When parking, switch on the one-sided road‐
side parking lamp, refer to page 98.
Low beams Position of switch:
The low beams light up when the ignition is
switched on.
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Switch offPress and hold the left button until the
control switches off.
Temperature Turn the ring to set the desired
temperature.
Cooling function
The car's interior can only be cooled with the
engine running.
Press button.
The air will be cooled and dehumidi‐
fied and, depending on the temperature set‐ ting, warmed again.
Depending on the weather, the windshield and
side windows may fog up briefly when the en‐
gine is started.
The air conditioner produces condensation
water, refer to page 171, that will exit from be‐
low the car.
Recirculated-air mode You may respond to unpleasant odors or pollu‐
tants in the immediate environment by tempo‐
rarily suspending the supply of outside air. The
system then recirculates the air currently
within the vehicle.
Press button repeatedly to select an
operating mode:▷LED off: outside air flows in continuously.▷LED on, recirculated-air mode: the supply
of outside air into the vehicle is perma‐
nently blocked.
Recirculated air mode switches off automati‐
cally at low external temperatures after a cer‐
tain amount of time in order to avoid window
fogging.
With constant recirculated-air mode, the air
quality in the car's interior deteriorates and the
fogging of the windows increases.
If the windows fog over, switch off recircu‐
lated-air mode and increase the air flow, if
needed.
Air flow, manual Press the left or right side of the but‐
ton: decrease or increase air flow.
The intensity is indicated through LEDs. The
highest level is active when seven LEDs are lit.
The air flow from the air conditioner may be re‐
duced automatically to save battery power.
Manual air distribution Turn the wheel to select the de‐
sired program or the desired in‐ termediate setting.▷ Windows.▷ Upper body region.▷ Footwell.▷ Windows, upper body region, and foot‐
well.
Defrosts windows and removes
condensation
Direct the air distribution toward windows, in‐
crease the air flow and temperature, and, if
needed, use the cooling function.
Rear window defroster Press button.
The rear window defroster switches
off automatically after a certain period of time.
For permanent activation, press the button for
longer than 3 seconds. To deactivate, press
the button again.
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Press button repeatedly to select an
operating mode:▷LEDs off: outside air flows in continuously.▷Left LED on, automatic recirculated-air
control: a sensor detects pollutants in the
outside air and shuts off automatically.▷Right LED on, recirculated-air mode: the
supply of outside air into the vehicle is per‐
manently blocked.
Recirculated air mode switches off automati‐
cally at low external temperatures after a cer‐
tain amount of time in order to avoid window
fogging.
With constant recirculated-air mode, the air
quality in the car's interior deteriorates and the
fogging of the windows increases.
If the windows are fogged over, switch off the
recirculated-air mode and press the AUTO
button to utilize the condensation sensor.
Make sure that air can flow to the windshield.
Air flow, manual To manually adjust air flow turn off AUTO pro‐
gram first.
Press the left or right side of the but‐
ton: decrease or increase air flow.
The selected air flow is shown on the display of
the automatic climate control.
The air flow of the automatic climate control
may be reduced automatically to save battery
power.
Manual air distribution Press button repeatedly to select a
program:
▷Upper body region and footwell.▷Footwell.▷Windows and footwell.▷Windows▷Windows and upper body region.▷Upper body region.▷Windows, upper body region, and footwell.
If the windows are fogged over, press the
AUTO button to utilize the condensation sen‐
sor.
SYNC program Press button.
The current setting of the temperature
on the driver's side is transferred to the front
passenger side.
The program is switched off if the setting on
the front passenger side is changed.
Defrosts windows and removes
condensation
Press button.
Ice and condensation are quickly re‐
moved from the windshield and the front side
windows.
For this purpose, point the side vents onto the
side windows as needed.
Adjust air flow with the program active.
If the windows are fogged over, you can also
switch on the cooling function or press the
AUTO button to utilize the condensation sen‐
sor.
Rear window defroster Press button.
The rear window defroster switches
off automatically after a certain period of time.
For permanent activation, press the button for
longer than 3 seconds. To deactivate, press
the button again.
Microfilter/activated-charcoal filter In external and recirculated air mode the mi‐crofilter/activated charcoal filter filters dust,
pollen, and gaseous pollutants out of the air.
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Settings are stored automatically after approxi‐
mately 10 seconds.
Sun visor
Glare shield Fold the sun visor down or up.
Vanity mirror A vanity mirror is located in the sun visor be‐
hind a cover. When the cover is opened, the in‐
terior lighting switches on.
Ashtray/cigarette lighter
Ashtray
Opening
The ashtray can be inserted in the cupholder.
Emptying Take out the insert.
Lighter WARNING
Contact with hot heating elements or the
hot socket of the cigarette lighter can cause
burns. Flammable materials can ignite if the
cigarette lighter falls down or is held against
the respective objects. There is risk of fire and
injuries. Hold the cigarette lighter on its handle.
Make sure that children do not use the ciga‐
rette lighter and do not burn themselves, e.g.
by carrying the remote control along when ex‐
iting the vehicle.◀
CAUTION
If metal objects fall into the socket, they
can cause a short circuit. There is risk of prop‐
erty damage. Replace the cigarette lighter or
socket cover again after using the socket.◀
The cigarette lighter is located in the center
console.
Push in the lighter.
The lighter can be removed as
soon as it pops back out.
Connecting electrical devices
Information CAUTION
Battery chargers for the vehicle battery
can work with high voltages and currents,
which means that the 12V on-board network
can be overloaded or damaged. There is risk of
property damage. Only connect battery charg‐
ers for the vehicle battery to the starting aid
terminals in the engine compartment.◀
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Engine compartmentVehicle features and optionsThis chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due tothe selected options or country versions. This
also applies to safety-related functions and
systems. The respectively applicable country
provisions must be observed when using the
respective features and systems.
Important features in the engine comp.
1Filler neck for washer fluid2Vehicle identification number3Oil filler neck4Jump-starting, positive battery terminal5Jump-starting, negative battery terminal6Coolant reservoirHood
Information WARNING
Improperly executed work in the engine
compartment can damage components and
lead to a safety risk. There is risk of accidents
or risk of property damage.◀WARNING
The engine compartment accommo‐
dates moving components. Certain compo‐
nents can move in the engine compartment
with the vehicle switched off, e.g. the cooler
fan. There is risk of injuries. Do not reach into
the area of moving parts. Keep articles of
clothing and hair away from moving parts.◀Seite 197Engine compartmentMobility197
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