ContentsThe fastest way to find information on a partic‐
ular topic or item is by using the index, refer to
page 226.6Notes
At a glance
12Cockpit16iDrive24Voice activation system27Integrated Owner's Manual in the vehicle
Controls
32Opening and closing47Adjusting57Transporting children safely61Driving73Displays89Lamps94Safety115Driving stability control systems120Driving comfort142Climate control149Interior equipment157Storage compartments
Driving tips
164Things to remember when driving167Loading170Saving fuelMobility178Refueling180Fuel181Wheels and tires190Engine compartment192Engine oil195Coolant196Maintenance198Replacing components210Breakdown assistance216Care
Reference
222Technical data226Everything from A to Z
Online Edition for Part no. 0140 2 909 827 - VI/13
▷CD/Multimedia: audio source listened to
last.▷Unlocking/locking of the vehicle: settings.▷Driving Dynamics Control: sport program▷Driver's seat position: automatically re‐
trieved after unlocking.▷Programmable memory buttons: assign‐
ment.▷Head-up Display: selection, brightness,
position and rotation of the display.▷Headlamp courtesy delay feature: time set‐
ting.▷Tone: tone settings.▷Automatic climate control/Automatic cli‐
mate control with enhanced features: set‐
tings.▷Navigation: map views, route criteria, voice
output on/off.▷Park Distance Control PDC: adjusting the
signal tone volume.▷Radio: stored stations, station listened to
last, special settings.▷Rearview camera: selection of functions
and type of display.▷Side View: selection of the display type.▷Language on the Control Display.▷Lane departure warning: last setting, on/
off.▷Active Blind Spot Detection: last setting,
on/off.▷Daytime running lights: current setting.▷Triple turn signal activation.▷Locking the vehicle: after a brief period or
after starting to drive.
Central locking system
The concept The central locking system becomes active
when the driver's door is closed.
The system simultaneously engages and re‐
leases the locks on the following:▷Doors.▷Trunk lid.▷Fuel filler flap.
Operating from the outside
▷Via the remote control.▷Via the door handles of the driver's and
front passenger doors.
The following takes place simultaneously
when locking/unlocking the vehicle via the re‐
mote control:
▷Depending on how the vehicle is equipped,
the theft protection is activated/deacti‐
vated. Theft protection prevents the doors
from being unlocked using the lock but‐
tons or the door opener.▷The welcome lamps, interior lamps and
courtesy lamps are switched on and off.▷The alarm system, refer to page 42, is
armed or disarmed.
Operating from the inside
Via the button for the central locking system.
If the vehicle has been locked from inside, the
fuel filler flap remains unlocked.
If an accident of a certain severity occurs, the
central locking system unlocks automatically.
The hazard warning system and interior lamps
come on.
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If this occurs, lock or unlock the driver's door at
the door lock using the integrated key.
For US owners only
The transmitter and receiver units comply with
part 15 of the FCC/Federal Communication
Commission regulations. Operation is gov‐
erned by the following:
FCC ID:▷LX8766S.▷LX8766E.▷LX8CAS.▷LX8CAS2.▷MYTCAS4.
Compliance statement:
This device complies with part 15 of the FCC
Rules. Operation is subject to the following
two conditions:
▷This device may not cause harmful inter‐
ference, and▷this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modifications or changes to
these devices could void the user's authority to
operate this equipment.
Using the door lock
General information
Locking from the outside
Do not lock the vehicle from the outside
if there are people in it, as the vehicle cannot
be unlocked from inside without special knowl‐
edge.◀
The alarm system is triggered when the door is
opened, if the vehicle is unlocked via the door
lock.
In order to terminate this alarm, unlock vehicle
with the remote control or switch on the igni‐
tion, if necessary, by emergency detection of
the remote control.
Only the driver's door is unlocked or locked via
the door lock.
Locking the doors and trunk lid
together
To lock all doors and the trunk lid at once:1.With the doors closed, lock the vehicle us‐
ing the button for the central locking sys‐
tem in the interior.2.Unlock and open the driver's or front pas‐
senger door.3.Lock the vehicle.▷Lock the driver's door using the
integrated key in the door lock, or▷Press down the lock button of the front
passenger door and close the door
from the outside.
The fuel filler flap can only be locked using the
remote control.
Manual operation If an electrical malfunction occurs, lock or un‐
lock the vehicle using the integrated key via
the door lock on the driver's door.
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Opening and closing: from
the inside
Locking and unlocking
Pressing the buttons locks and unlocks the
doors and the trunk lid when the front doors
are closed, but they are not secured against
theft.
The fuel filler flap remains unlocked.
Unlocking and opening
▷Either unlock the doors together using the
button for the central locking system and
then pull the door handle above the arm‐
rest or▷Pull the door opener twice individually on
each door: the first time unlocks the door,
the second time opens it.
Trunk lid
Opening
During opening, the trunk lid pivots back and
up. Ensure that adequate clearance is available
before opening.
Opening from the outside▷Press the button on the trunk lid.▷Press the button on the remote
control for approx. 1 second.▷With Comfort Access the trunk lid opens
with no-touch activation, refer to
page 40.
Opening from the inside
Push the button in the driver's foot‐
well.
If the vehicle is stationary, the trunk lid opens if
it is not locked.
Closing
Recessed grips in the interior trim of the trunk
lid make it easier to pull down the lid.
Keep the closing path clear
Make sure that the closing path of the
trunk lid is clear; otherwise, injuries may re‐
sult.◀
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Opening
The trunk lid opens, regardless of whether it
was previously locked or unlocked.
During opening, the trunk lid pivots back and
up. Ensure that adequate clearance is available
before opening.
Before the opening, the hazard warning sys‐
tem flashes.
Preventing inadvertent opening
In situations where the trunk lid should is
not to be opened with no-touch activation, en‐
sure that the remote control is located beyond
the range of the sensor, at least 5 ft/1.50 m
from the rear of the car.
Otherwise, the trunk lid may be opened inad‐
vertently, for example by an unintentional or
misinterpreted movement of the foot.◀
Malfunction
Comfort Access may not function properly if it
experiences interference from external sour‐
ces 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.
If there is a malfunction, open the trunk lid with
the remote control button or with the button on
the trunk lid.
Adjusting
Unlocking The setting is stored for the remote control
currently in use.1."Settings"2."Doors/key"3. Select symbol or "Unlock button:"4.Select the desired function:▷"Driver's door only"
Only the driver's door and the fuel filler
flap are unlocked. Pressing again un‐
locks the entire vehicle.▷"All doors"
The entire vehicle is unlocked.
Depending on how the vehicle is equipped or
the country-specific variant, you can set
whether the doors are also unlocked with the
button on the remote control.
Confirmation signals from the vehicle
1."Settings"2."Doors/key"3.Deactivate or activate the desired confir‐
mation signals.▷"Acoustic sig. lock/unlock"▷"Flash when lock/unlock"
Automatic locking
The setting is stored for the remote control
currently in use.
1."Settings"2."Doors/key"3.Select the desired function:▷"Lock if no door opened"
The vehicle locks automatically after a
short period of time if a door is not
opened.▷"Lock after start driving"
The vehicle locks automatically after
you drive away.
Retrieving the seat and mirror settings
The driver's seat and exterior mirror positions
used last are stored for the remote control cur‐
rently in use.
When the vehicle is unlocked, these positions
are automatically retrieved if this function was
activated.
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▷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
driver's seat belt, the radio ready state remains
active.
Radio ready state
Activate radio ready state:
▷When the engine is running: press the
Start/Stop button.
Some electronic systems/power consumers
remain ready for operation.
The radio ready state switches off automati‐
cally:
▷After approx. 8 minutes.▷When the vehicle is locked using the cen‐
tral locking system.▷Shortly before the battery is discharged
completely, so that the engine can still be
started.
Starting the engine
Hints Enclosed areas
Do not let the engine run in enclosed
areas; otherwise, breathing of exhaust fumes may lead to loss of consciousness and death.
The exhaust gases contain carbon monoxide,
an odorless and colorless but highly toxic
gas.◀
Unattended vehicle
Do not leave the vehicle unattended with
the engine running; doing so poses a risk of
danger.
Before leaving the vehicle with the engine run‐
ning, set the parking brake and place the trans‐
mission in position P or neutral to prevent the
vehicle from moving.◀
Repeated starting in quick succession
Avoid repeated unsuccessful attempts to
start the vehicle or starting the vehicle several
times in quick succession. Otherwise, the fuel
is not burned or is inadequately burned, posing
a risk of overheating and damage to the cata‐
lytic converter.◀
Do not wait for the engine to warm-up while
the vehicle remains stationary. Start driving at
moderate engine speeds.
Manual transmission
Starting the engine1.Depress the brake pedal.2.Press on the clutch pedal and shift to neu‐
tral.3.Press the Start/Stop button.
The ignition is activated automatically for a
certain time and is stopped as soon as the en‐
gine starts.
Automatic transmission
Starting the engine
1.Depress the brake pedal.2.Press the Start/Stop button.
The ignition is activated automatically for a
certain time and is stopped as soon as the en‐
gine starts.
Engine stop
Hints Take the remote control with you
Take the remote control with you when
leaving the vehicle so that children, for exam‐
ple, cannot start the engine.◀
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Set the parking brake and further secure
the vehicle as required
Set the parking brake firmly when parking; oth‐
erwise, the vehicle could 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 In order for the vehicle to be able to roll into a
car wash, heed the information regarding
Washing in automatic car washes, refer to
page 216.
Manual transmission
Switching off the engine1.With the vehicle at a standstill, press the
Start/Stop button.2.Shift into first gear or reverse.3.Set the parking brake.
Automatic transmission
Switching off the engine
1.Engage transmission 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.
Automatic Engine 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 af‐
ter 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 dur‐
ing a stop under the following conditions:
Manual transmission:▷Neutral is engaged and the clutch pedal is
not pressed.▷The driver's seat belt is buckled or the driv‐
er's door is closed.
Automatic transmission:
▷The selector lever is in transmission posi‐
tion D.▷Brake pedal remains depressed while the
vehicle is stopped.▷The driver's seat belt is buckled or the driv‐
er's door is closed.
The air volume of 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 satis‐
fied.
Note The engine is not switched off automatically in
the following situations:
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▷External temperature too low.▷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 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.▷The engine compartment lid is unlocked.▷The parking assistant is activated.▷Stop-and-go traffic.▷The transmission selector lever is in posi‐
tion N or M/S.▷Use of fuel with high ethanol content.
Starting the engine
The engine starts automatically under the fol‐
lowing conditions:
▷Manual transmission:
The clutch pedal is pressed.▷Automatic 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 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.▷The vehicle begins rolling.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷Vehicle battery is heavily discharged.▷Excessive cooling of the passenger com‐
partment when the heating is switched on.▷Low brake vacuum pressure; this can oc‐
cur, for example, if the brake pedal is de‐
pressed a number of times in succession.
Activating/deactivating the system
manually
Using the button
Press the button.
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