
Turn signal 64High-beams, head‐
light flasher 87High-beam Assistant 87Roadside parking lights 87Computer 75Settings and information about
the vehicle 76Instrument lighting 896Steering wheel buttons, leftTelephone 198VolumeActivate/deactivate the voice acti‐
vation system 277Shift paddles 698Instrument cluster 169Steering wheel buttons, rightChange the radio station
Select a music track
Scroll through the redial listNext entertainment sourceRecirculated air mode 11210Start/stop the engine and switch
the ignition on/off 5911Steering column stalk, rightWindshield wipers 64Rain sensor 65Rear window wiper 6612Ignition lock 5913Steering wheel heating 5314Horn, the entire surface15Adjust the steering wheel 5316Cruise control 10317Opening tailgate 3818Releasing the hood 243Seite 15CockpitAt a glance15
Online Edition for Part no. 01 40 2 954 052 - II/15

Replacing the battery
The remote control for Comfort Access con‐
tains a battery that will need to be replaced
from time to time.1.Take the integrated key out of the remote
control, refer to page 32.2.Remove the cover.3.Insert a new battery of the same type with
the positive side facing upwards.4.Press on the cover to close it.
Return used battery to a recycling center
or to your service center.
Alarm system The conceptThe vehicle alarm system responds to:
▷Opening of a door, the hood or the tailgate.▷Movements in the vehicle: interior motion
sensor, refer to page 42.▷Changes in the vehicle tilt, e.g., during at‐
tempts to steal a wheel or tow the car.▷Interruptions in battery voltage.
The alarm system briefly indicates tampering:
▷By sounding an acoustic alarm.▷By switching on the hazard warning sys‐
tem.▷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 or via Comfort Access,
the alarm system is armed or disarmed at the
same time.
Door lock and armed alarm systemThe alarm system is triggered when the door is
opened if the vehicle was unlocked via the
door lock.
To stop this alarm, unlock the vehicle with the
remote control or insert the remote control into
the ignition lock all the way and switch on the
ignition.
Tailgate and armed alarm system
The tailgate can be opened using the remote
control, even if the alarm system is armed.
Press the button on the remote control.
After the tailgate is closed, it is locked and
monitored again by the alarm system. The haz‐
ard warning system flashes once.
In some market-specific versions, the tailgate
can only be opened using the remote control if
the vehicle was unlocked first.
Switching off the alarm
▷Unlock the vehicle using the remote con‐
trol, refer to page 34.▷Insert the remote control all the way into
the ignition lock.Seite 41Opening and closingControls41
Online Edition for Part no. 01 40 2 954 052 - II/15

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 tailgate is not closed
properly, but the rest of the vehicle is se‐
cured.
The indicator lamp flashes continuously af‐
ter approx. 10 seconds. The interior motion
sensor is not active.▷The indicator lamp goes out after unlock‐
ing:
The vehicle has not been tampered with.▷If the indicator lamp flashes after unlocking
until the remote control is inserted in the
ignition, but for no longer than approx.
5 minutes:
An alarm has been triggered.
Panic mode
In dangerous situations, trigger the alarm sys‐
tem:
Press the button on the remote control for
at least 3 seconds.
To switch off the alarm: press any button.
Tilt alarm sensor The tilt of the vehicle is monitored.
The alarm system responds in situations such
as attempts to steal a wheel or tow the car.
Interior motion sensor
For the sensor to function properly, the win‐
dows and panoramic glass sunroof must be
closed.
Avoiding unintentional alarms
The tilt alarm sensor and interior motion sen‐
sor can be switched off together, such as in
the following situations:▷In duplex garages.▷During transport on car-carrying trains, at
sea or on a trailer.▷When animals are to remain in the vehicle.
Switching off the tilt alarm sensor and
interior motion sensor
Press the remote control button again
within 10 seconds after the vehicle is locked.
The indicator lamp lights up for approx. 2 sec‐
onds and then flashes continuously.
The tilt alarm sensor and interior motion sen‐
sor remain switched off until the vehicle is
locked again.
Power windows General information Take the remote control with youTake the remote control with you when
leaving the vehicle so that children, for exam‐
ple, cannot operate the power windows and in‐
jure themselves.◀
Seite 42ControlsOpening and closing42
Online Edition for Part no. 01 40 2 954 052 - II/15

Engine stop
General information Take the remote control with you
Take the remote control with you when
leaving the vehicle so that children, for exam‐
ple, cannot operate the windows and injure
themselves.◀
Set the parking brake and further secure
the vehicle as required
Set the parking brake firmly when parking; oth‐
erwise, the vehicle may roll. On steep upward
and downward inclines, further secure the ve‐
hicle, for example, by turning the steering
wheel in the direction of the curb.◀
Before driving into a car wash
To make it possible for the vehicle to roll in an
automatic car wash, follow the information on
Washing in automatic car washes, refer to
page 263.
Switching off the engine
Automatic transmission1.Engage transmission position P with the
vehicle stopped.2.Press the Start/Stop button.3.Set the parking brake firmly.4.Remove the remote control from the igni‐
tion lock, refer to page 59.
Automatic Engine Start/Stop
Function
The concept The Auto Start/Stop function helps save fuel.
The system switches off the engine during a
stop, for instance in congestion or at traffic
lights. The ignition remains switched on. The
engine starts automatically when you wish to
drive away.
Automatic operation
The automatic engine Start/Stop function is
operational after each engine start. It is acti‐
vated whenever you drive forward faster than
3 mph/5 km/h.
Automatic engine stop The engine is switched off automatically dur‐
ing a stop under the following conditions:
Automatic transmission:▷The selector lever is in transmission posi‐
tion D.▷The brake pedal remains depressed while
the vehicle is at a standstill.▷The driver's safety belt is fastened or the
driver's door is closed.
When the engine is switched off, the air vol‐
ume of the automatic climate control is re‐
duced.
Indicator light in the instrument
cluster
The indicator lamp lights up when theAuto Start/Stop function is ready to
start the engine automatically.
The indicator lamp lights up if the re‐
quirements for an automatic engine
stop are not fulfilled.
Note The engine is not switched off automatically in
the following situations:
▷External temperature too low.▷High external temperature and operation of
the automatic climate control.▷The interior is not yet heated or cooled as
much as desired.Seite 61DrivingControls61
Online Edition for Part no. 01 40 2 954 052 - II/15

▷The engine is not yet at operating temper‐
ature.▷Sharp steering 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 charge is very low.▷Hood is unlocked.▷HDC is activated.▷Stop-and-go traffic.▷The selector lever is in position N or M/S.
The indicator lamp is lit.
Parking the vehicle during an
automatic engine stop
The vehicle can be parked safely during an au‐
tomatic engine stop, such as when you wish to
leave the vehicle.
1.Press the Start/Stop button. The ignition is
switched off. The Auto Start/Stop function
is deactivated.
Automatic transmission: transmission po‐
sition P is engaged automatically.2.Set the parking brake.
Start the engine as usual using the Start/Stop
button.
Automatic engine start The engine starts automatically under the fol‐
lowing conditions to enable the driver to drive
away:
▷Automatic transmission:
The brake pedal is released.
After the engine starts, accelerate as usual.
Safety mode
The engine does not start by itself after it is
switched off automatically if any of the follow‐
ing conditions are fulfilled:▷The driver's safety belt is unfastened or
the driver's door is open.▷Hood was unlocked.
The indicator lamp lights up. A mes‐
sage appears on the Control Display.
The engine can only be started via
the Start/Stop button.
Note Even if you do not wish to drive away, the stop‐
ped engine still starts automatically in the fol‐
lowing situations:
▷The interior has heated up strongly with
the cooling function switched on.▷The steering wheel is turned.▷The vehicle begins to roll.▷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 auto‐
matic climate control is switched on.▷Vehicle battery charge is very low.▷The interior has cooled down strongly with
the heating switched on.▷Low braking pressure, such as from de‐
pressing the brake pedal a number of times
consecutively.
Preventing automatic engine stop
with an automatic transmission
The concept To permit the driver to drive away especially
quickly, such as at intersections, the automatic
engine stop can be actively prevented.
Seite 62ControlsDriving62
Online Edition for Part no. 01 40 2 954 052 - II/15

Preventing the engine stop using thebrake pedal
The engine stop can be actively prevented
within one second after the vehicle comes to a
standstill.▷Depress the brake pedal briefly and force‐
fully immediately after the vehicle comes to
a standstill.▷Then continue depressing the brake pedal
with normal braking force.
Activating/deactivating the system
manually
Press the button.
▷LED lights up: the 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: the Auto Start/Stop function
is activated.
Automatic deactivation
In certain situations, the Auto Start/Stop func‐
tion is deactivated automatically in the interest
of safety, for example if the driver's absence is
detected.
Malfunction The indicator lamp lights up. The au‐
tomatic engine start/stop function no
longer switches of the engine auto‐
matically.A message appears on the Control
Display. It is possible to continue driving. Have
the system checked.
Parking brake
The concept The parking brake is primarily intended to pre‐
vent the vehicle from rolling while parked; it
brakes the rear wheels.
Indicator lamp The indicator lamp lights up and an
acoustic signal sounds when driving
away. The parking brake is still set.
Setting The lever engages automatically.
Releasing
Pull up slightly, press the button, and lower the
lever.
Notes Using the parking brake while driving
If it should become necessary to use the
parking brake while driving, do not pull the
parking brake too forcefully. Keep the button
on the parking brake lever pressed at all times.
Excessive application of the parking brake can
block the rear wheels and lead to fishtailing of
the vehicle.◀
Seite 63DrivingControls63
Online Edition for Part no. 01 40 2 954 052 - II/15

Displays in the instrument cluster
The selector lever position is displayed and the
engaged gear, such as M4, is displayed in
manual mode.
Changing selector lever positions
▷With the ignition switched on or the engine
running, the selector lever can be moved
out of position P.▷When the vehicle is stationary, step on the
brake before shifting out of P or N; other‐
wise, the selector lever is locked: shiftlock.
Press on the brake pedal until you
start driving
To prevent the vehicle from creeping after
you select a driving position, maintain
pressure on the brake pedal until you are
ready to start.◀
A lock prevents you from inadvertently engag‐
ing selector lever positions R and P. To cancel
the lock, press the button on the front of the
selector lever, see arrow.
P Park
Select only when the vehicle is stationary. The
rear wheels are locked.
R is Reverse Select only when the vehicle is stationary.
N is Neutral Use in automatic car washes, for example. The
vehicle can roll.
D Drive, automatic position Position for normal vehicle operation. All for‐
ward gears are selected automatically.
Under normal operating conditions, fuel con‐
sumption is lowest when you are driving in po‐
sition D.
Kickdown
Kickdown is used to achieve maximum driving
performance. Press on the accelerator beyond
the resistance point at the full throttle position.
Sport program and manual mode M/S
Activating the Sport program
Move the selector lever from position D toward
the left.
DS is displayed in the instrument cluster.
This position is recommended for a perform‐
ance-oriented driving style.
To deactivate the Sport program or manual
mode M/S, move the selector lever to the right
into position D.
Seite 68ControlsDriving68
Online Edition for Part no. 01 40 2 954 052 - II/15

Activating the M/S manual mode
Move the selector lever from position D toward
the left.
Push the selector lever forward or backward.
Manual mode becomes active and the gear is
changed.
The engaged gear is displayed in the instru‐
ment cluster, e.g., M1.▷To shift down: press the selector lever for‐
ward.▷To shift up: press the selector lever back‐
ward.
The vehicle only shifts up or down at appropri‐
ate engine and road speeds, e.g., it does not
shift down if the engine speed is too high. The
selected gear is briefly displayed in the instru‐
ment panel, followed by the current gear.
Shifting gears using the shift paddles on the steering wheel
The shift paddles on the steering wheel allow
you to shift gears quickly while keeping both
hands on the steering wheel.
▷When the shift paddles on the steering
wheel are used to shift gears while in auto‐
matic mode, the transmission switches to
manual mode.▷If the shift paddles are not used to acceler‐
ate or shift gears for a certain amount of
time, the transmission switches back to
automatic mode.
If the selector lever is in the M/S gear plane,
manual mode remains active.
▷Shift up: briefly pull right shift paddle +.▷Shift down: briefly pull left shift paddle –.
The vehicle only shifts up or down at appropri‐
ate engine and road speeds, e.g., it does not
shift down if the engine speed is too high. The
selected gear is briefly displayed in the instru‐
ment panel, followed by the current gear.
Overriding selector lever lock If the selector lever is locked in position P al‐
though the ignition is switched on, the brake is
depressed, and the button on the selector
lever is pressed, the selector lever lock can be
overridden:
1.Switch off the ignition.2.Unclip the sleeve of the selector lever.3.Pull the sleeve up over the selector lever
until the sleeve is inside out.4.Using the screwdriver from the tool kit, re‐
fer to page 249, press the red lever while
moving the selector lever to the desired
position with the button pressed.Seite 69DrivingControls69
Online Edition for Part no. 01 40 2 954 052 - II/15