Malfunction
Comfort Access may not function properly if it
experiences interference from external sources
such as mobile phones, metal objects, overhead
power lines, transmission towers, etc.
In this case, open or close the vehicle using the
buttons on the remote control or use the
integrated key in the door lock.
Alarm system
The concept
The vehicle alarm system responds to:▷Opening of a door, the hood or the trunk lid.▷Movements in the vehicle.▷Changes in the vehicle tilt, e.g., during at‐
tempts to steal a wheel or when towing the
car.▷Interruptions in battery voltage.
The alarm system briefly indicates tampering:
▷By sounding an acoustic alarm.▷By switching on the hazard warning system.▷By flashing the high beams.
Arming and disarming the alarm
system
General information
When you lock or unlock the vehicle, either with
the remote control, Comfort Access or at the
door lock the alarm system is armed or disarmed
at the same time.
Door lock and armed alarm system
Unlocking via the door lock will trigger the alarm
on some country-specific versions.
In order to terminate this alarm, unlock vehicle
with the remote control or switch on the ignition,
if necessary, by emergency detection of the re‐
mote control.
Trunk lid and armed alarm system
The trunk lid can be opened using the remote
control, even if the alarm system is armed.
Press the button on the remote control
for approx. 1 second.
After the trunk lid is closed, it is locked and
monitored again by the alarm system. The haz‐
ard warning system flashes once.
In some vehicle equipment variants, the trunk lid
can only be opened using the remote control if
the vehicle was unlocked first.
Panic mode Press the button on the remote control
for at least 3 seconds.
Switching off the alarm▷Unlock the vehicle using the remote control.▷With Comfort Access: if you are carrying the
remote control with you, pull on the door
handle.
Indicator lamp on the interior rearview
mirror
▷The indicator lamp flashes briefly every
2 seconds:
The system is armed.▷The indicator lamp flashes after locking:
The doors, hood or trunk lid is not closed
properly, but the rest of the vehicle is se‐
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The window closes automatically.
Pressing the switch stops the motion.
Convenient operation, refer to page 34, via the
remote control.
Convenient closing, refer to page 39, with Com‐
fort Access.
Pinch protection system
If the closing force exceeds a specific value as a
window closes, the closing action is interrupted.
The window reopens slightly.
Danger of pinching even with pinch pro‐
tection
Even with the pinch protection system, check
that the window's closing path is clear; other‐
wise, the closing action may not stop in certain
situations, e.g., if thin objects are present.◀
No window accessories
Do not install any accessories in the range
of movement of the windows; otherwise, the
pinch protection system will be impaired.◀
Closing without the pinch protection
system
Keep the closing path clear
Monitor the closing process and make
sure that the closing path of the window is clear;
otherwise, injuries may result.◀
For example, if there is an external danger or if
ice on the windows prevents a window from
closing normally, proceed as follows:
1.Pull the switch past the resistance point and
hold it there.
Pinch protection is limited and the window
reopens slightly if the closing force exceeds
a certain value.2.Pull the switch past the resistance point
again within approx. 4 seconds and hold it
there.The window closes without pinch protec‐
tion.
Safety switch
The following functions can be locked simulta‐
neously, using the switch:
▷Opening and closing of the rear windows
using the switches in the rear.▷Operation of the roller sunblinds using the
switches in the rear.
Switching on and off
Press the button.
The LED lights up if the safety function
is switched on.
Safety switch for rear operation
Press the safety switch when transporting
children in the rear; otherwise, injury may result
if the windows are closed without supervision. ◀
Roller sunblinds
General information
The safety switch in the driver's door can be
used to prevent children, for example, from op‐
erating the roller blinds using the switches in the
rear.
Press the safety switch in the driver's door. The
LED lights up if the safety function is switched
on.
If you are no longer able to move the roller blinds
after having activated them consecutively a
number of times, the system is blocked for a
limited time to prevent overheating. Let the sys‐
tem cool.
The roller sunblinds cannot be moved at low in‐
terior temperatures.
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Locking the doors and
windows
Rear doors
Push the locking lever on the rear doors down.
The door can now be opened from the outside
only.
Safety switch for the rear Press the button on the driver's door if
children are being transported in the
rear.
This locks various functions so that they cannot
be operated from the rear: safety switch, refer to
page 42.
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DrivingVehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment
is also described that is not available in a vehicle,
e. g., because of the selected optional equip‐
ment or country variant. This also applies for
safety-related functions and systems.
Start/Stop button
The concept Pressing the Start/Stop button
switches the ignition on or off and
starts the engine.
The engine starts if the brake
pedal is pressed when you press
the Start/Stop button.
Ignition on
Press the Start/Stop button, and do not press on
the brake pedal at the same time.
All vehicle systems are ready for operation.
Most of the indicator and warning lamps in the
instrument cluster light up for varying lengths of
time.
To save battery power when the engine is off,
switch off the ignition and any unnecessary
electronic systems/power consumers.
The ignition switches off automatically:▷When the vehicle is locked, if the low beams
are switched on.▷Shortly before the battery is discharged
completely, so that the engine can still be
started.▷If the engine is switched off and the ignition
is switched on, the system automatically
switches to the radio ready state when thedoor is opened if the lights are switched off
or the daytime running lights are switched
on.
Ignition off
Press the Start/Stop button again, and do not
press on the brake pedal at the same time.
All indicator lamps in the instrument cluster go
out.
To save battery power when the engine is off,
switch off the ignition and any unnecessary
electronic systems/power consumers.
Transmission position P with the ignition
off
When the ignition is switched off, position P is
engaged automatically. When in an automatic
car wash, for example, ensure that the ignition is
not switched off accidentally.◀
Ignition automatically cuts off while the vehicle
is stationary and the engine is stopped:
▷During locking, also with the low beams ac‐
tivated.▷Shortly before the battery is discharged
completely, so that the engine can still be
started. This function is only available when
the low beams are switched off.▷When opening and closing the driver door, if
the driver's seat belt is unbuckled and the
low beams are switched off.▷While the driver's seat belt is unbuckled, if
the driver's door is open and the low beams
are switched off.
When the ignition is switched off, by opening or
closing the driver's door or unbuckling the driv‐
er's seat belt, the radio ready state remains ac‐
tive.
Radio ready state
Activate radio ready state:
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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 a traffic congestion or at traffic
lights. The ignition remains switched on. The
engine starts again automatically for driving off.
Certain vehicle components may experience
additional wear as a result of this system.
Automatic mode
The Auto Start/Stop function is operational after
each engine start.
This function is activated at speeds faster than
about 3 mph, approx. 5 km/h.
Engine stop
The engine is switched off automatically during
a stop under the following conditions:
Automatic transmission:
▷The selector lever is in transmission position
D.▷The brake pedal remains pressed while the
vehicle is stationary or the vehicle is held by
Automatic Hold.▷The driver's safety belt is buckled or the
driver's door is closed.
The air flow of the air conditioner is reduced
when the engine is switched off.
Displays in the instrument cluster The display indicates that the
Auto Start/Stop function is ready
for an automatic engine start.
The display indicates that the
conditions for an automatic en‐
gine stop have not been satisfied.
Note
The engine is not switched off automatically in
the following situations:▷External temperature below approx.
+37 ℉/+3 ℃.▷The external temperature is high and auto‐
matic climate control is running.▷The passenger compartment has not yet
been heated or cooled to the required level.▷The engine is not yet at operating tempera‐
ture.▷The wheels are at a sharp angle or the steer‐
ing wheel is being turned.▷After driving in reverse.▷Fogging of the windows when the automatic
climate control is switched on.▷The vehicle battery charge is very low.▷The engine compartment lid is unlocked.▷HDC is activated.▷The parking assistant is activated.▷Stop-and-go traffic.▷The transmission selector lever is in position
N or S/M.
Starting the engine
The engine starts automatically under the fol‐
lowing conditions:
▷Automatic transmission:
By releasing the brake pedal.
When Automatic Hold is activated: press the
accelerator.
After the engine starts, accelerate as usual.
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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 lamps light up for varying
lengths of time.
The engine can only be started via the Start/
Stop button.
Note
Even if driving away was not intended, the de‐
activated engine starts up automatically in the
following situations:
▷Excessive warming of the passenger com‐
partment when the cooling function is
switched on.▷The steering wheel is turned.▷Automatic transmission: the transmission
position is changed from D to N, R, or M/S.▷Automatic transmission: the transmission
position is changed from P to N, D, R, or M/
S.▷Fogging of the windows when the automatic
climate control is switched on.▷The vehicle battery charge is very low.▷Excessive cooling of the passenger com‐
partment when the heating is switched on.
Preventing an automatic engine stop
with automatic transmission
The concept
To make it possible to drive away very quickly,
such as at an intersection, the automatic engine
stop can be actively prevented.
Preventing an engine stop using the
brake pedal
The engine stop can be actively prevented
within one second after the vehicle comes to a
standstill.▷Immediately after the vehicle comes to a
standstill, briefly press the brake pedal
forcefully.▷Then press the brake pedal with normal
braking force.
Activating/deactivating the system
manually
Using the button
Press the 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.Press the Start/Stop button. The ignition is
switched off. The Auto Start/Stop function
is deactivated.Seite 61DrivingControls61
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After the wipers are folded back down, the wiper
system must be reactivated.
Fold the wipers back down
Before switching the ignition on, fold the
wipers back down to the windshield; otherwise,
the wipers may become damaged when they are
switched on.◀1.Switch on the ignition.2.Press the wiper levers down. The wipers
move to their resting position and are ready
for operation.
Washer fluid
General information Antifreeze for washer fluid
Antifreeze is flammable. Therefore, keep
it away from sources of ignition.
Only keep it in the closed original container and
inaccessible to children.
Follow the instructions on the container.◀
Washer fluid reservoir Adding washer fluid
Only add washer fluid when the engine is
cool, and then close the cover completely to
avoid contact between the washer fluid and hot
engine parts.
Otherwise, there is the danger of fire and a risk
to personal safety if the fluid is spilled.◀
All washer nozzles are supplied from one reser‐
voir.
Fill with water and – if required – with a washer
antifreeze, according to the manufacturer's rec‐
ommendations.
Mix the washer fluid before adding to maintain
the correct mixing ratio.
For the capacity, refer to technical data.
Automatic transmission with
Steptronic
Transmission positions
D Drive, automatic position
Position for normal vehicle operation. All for‐
ward gears are available.
R is Reverse
Select only when the vehicle is stationary.
N is Neutral
Use in automatic car washes, for example. The
vehicle can roll.
When the ignition is switched off, refer to
page 58, position P is engaged automatically.
P Park
Select only when the vehicle is stationary. The
drive wheels are blocked.
P is engaged automatically:▷After the engine is switched off when the
vehicle is in radio ready state, refer to
page 58, or when the ignition is switched off,
refer to page 58, and when position R or D is
engaged.▷With the ignition is off, if position N is en‐
gaged.▷If the safety belt is unbuckled, the driver's
door is opened, and the brake pedal is not
pressed while the vehicle is stationary and
transmission position R or D is engaged.Seite 67DrivingControls67
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LampsVehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment
is also described that is not available in a vehicle,
e. g., because of the selected optional equip‐
ment or country variant. This also applies for
safety-related functions and systems.
At a glance1Rear fog lamps2Front fog lamps3Automatic headlamp control, Adaptive Light
Control, High-beam Assistant, Welcome
lamps, Daytime running lights4Lamps off, daytime running lights5Parking lamps, daytime running lights6Low beams, welcome lamps, High-beam
Assistant7Instrument lighting
Parking lamps/low beams,
headlamp control
General information
Switch position: 0,
,
If the driver door is opened with the ignition
switched off, the exterior lighting is automati‐
cally switched off at these switch settings.
Parking lamps
Switch position
: the vehicle lamps light
up on all sides, e.g., for parking.
Do not use the parking lamps for extended pe‐
riods; otherwise, the battery may become dis‐
charged and it would then be impossible to start
the engine.
When parking, it is preferable to switch on the
one-sided roadside parking lamps, refer to
page 87.
Low beams
Switch position
with the ignition switched
on: the low beams light up.
Welcome lamps
When parking the vehicle, leave the switch in
position
or : the parking and interior
lamps light up briefly when the vehicle is un‐
locked.
Activating/deactivating
1."Settings"2."Lighting"3."Welcome light"
The setting is stored for the remote control cur‐
rently in use.
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