114 Controls in detailLocking and unlocking
Closing the trunk and locking the vehi-
cle from the outside (vehicles with
KEYLESS-GO*)
In vehicles with trunk opening/closing sys-
tem* and KEYLESS-GO, you can close the
trunk lid and lock the vehicle simulta-
neously.
1KEYLESS-GO locking/closing switch
Make sure you have the SmartKey with
KEYLESS-GO with you.
Press switch1 briefly.
The vehicle is locked and the trunk
closes automatically.
With both doors closed, all turn signal
lamps flash three times to confirm
locking. The locking knobs in the doors
move down. The anti-theft alarm sys-
tem is armed.
If the trunk lid comes into contact with an
object while closing (e.g. luggage that has
been piled too high), the closing procedure
is stopped and the trunk reopens slightly.
Even with the SmartKey with KEYLESS-GO
removed from the vehicle, the trunk closing
switch can be operated. Therefore, do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may
cause an accident and/or serious personal
injury.Warning!
G
Only drive with the trunk closed as, among
other dangers such as blocked visibility,
exhaust fumes may enter the vehicle
interior.iIf the vehicle was previously centrally
locked, the trunk will lock automatical-
ly after closing it (
page 110). All turn
signal lamps flash three times to con-
firm locking.
iYou can also close the trunk by hand
(page 111).
iTo prevent a possible inadvertent lock-
out, the trunk will open automatically if
a SmartKey with KEYLESS-GO is recog-
nized inside the vehicle or in the trunk.
115 Controls in detail
Locking and unlocking
Trunk emergency release
With the emergency release button, the
trunk can be opened from inside the trunk.
The emergency release button is located
on the inside of the trunk lid.
1Emergency release button
Briefly press emergency release
button1.
The trunk unlocks and opens slightly.
Push up the trunk lid to fully open.
Warning!
G
Monitor the closing procedure carefully to
ensure that no one is in danger of being in-
jured. To prevent possible personal injury,
always keep hands and fingers away from
the trunk opening when closing the trunk.
Be especially careful when small children
are around. To stop the closing procedure,
do one of the following:
press KEYLESS-GO locking/closing
switch1
press trunk closing switch
press the Š button on the SmartKey
with KEYLESS-GO
press the remote trunk opening or clos-
ing switch (on driver’s door)
Even with the SmartKey with KEYLESS-GO
removed from the vehicle, the trunk closing
switch can be operated. Therefore, do not
leave children unattended in the vehicle, or
with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may
cause an accident and/or serious personal
injury.Warning!
G
Only drive with the trunk closed as, among
other dangers such as blocked visibility,
exhaust fumes may enter the vehicle
interior.
116 Controls in detailLocking and unlockingIllumination of the emergency release but-
ton:
The button will flash for 30 minutes
after opening the trunk.
The button will flash for 60 minutes
after closing the trunk.
Valet locking
The lock is located next to the handle
above the rear license plate recess.
1Neutral position
2Locked
iThe emergency release button unlocks
and opens the trunk while the vehicle is
standing still or in motion.iThe emergency release button does
not open the trunk if the vehicle battery
is discharged or disconnected.iIf the trunk does not open, it is still
locked separately (
page 116).
iIf the vehicle has previously been
locked using the SmartKey or
KEYLESS-GO*, opening the trunk from
the inside using the emergency release
button will trigger the anti-theft alarm
system.
To cancel the alarm, do one of the
following:
Insert the SmartKey in the starter
switch.
Press button‹orŒ on the
SmartKey.
In vehicles with KEYLESS-GO*:
Pull an outside door handle.
The SmartKey with KEYLESS-GO*
must be within 3 ft (1 m) of the ve-
hicle.
Press the KEYLESS-GO* start/stop
button (
page 35).
The SmartKey with KEYLESS-GO*
must be inside the vehicle.
iTo deny any unauthorized person ac-
cess to the trunk, e.g. when you valet
park the vehicle, lock it separately with
the mechanical key. Leave only the
SmartKey or SmartKey with
KEYLESS-GO* less its mechanical key
with the vehicle.
117 Controls in detail
Locking and unlocking
Close the trunk (
page 110).
Pull the mechanical key out of the
SmartKey (
page 419).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position2 and remove the mechani-
cal key in that position to lock the
trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key counterclock-
wise to neutral position1 and remove
the mechanical key in that position to
unlock the trunk.
You can now open the trunk
(page 108).
Automatic central locking
The doors and the trunk automatically lock
when the ignition is switched on and the
wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or more.
You can open a locked door from the
inside. Open door only when conditions
are safe to do so.
You can deactivate the automatic locking
mode using the control system, see “Set-
ting automatic locking” (
page 159).
iYou can only cancel the separate trunk
locking mode by means of the
mechanical key.
iThe doors unlock automatically after an
accident if the force of the impact
exceeds a preset threshold.
To prevent the vehicle door locks from
locking, deactivate the automatic
central locking when the vehicle
is pushed or towed
is on a test stand
118 Controls in detailLocking and unlockingLocking and unlocking from the inside
You can lock or unlock the doors and the
trunk from inside using the central locking
or unlocking switch. This can be useful, for
example, if you want to lock the vehicle
before starting to drive.
You cannot lock or unlock the fuel filler flap
with the central locking or unlocking
switch.The switches are located in the center
console.
1Central locking switch
2Central unlocking switchLocking
Press central locking switch1.
If both doors are closed, the vehicle
locks.
Unlocking
Press central unlocking switch2.
The vehicle unlocks.
Warning!
G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.
iYou can open a locked door from the
inside. Open door only when conditions
are safe to do so.
If the vehicle was previously centrally
locked with the SmartKey or the
SmartKey with KEYLESS-GO*, it will
not unlock using the central unlocking
switch2.
If the vehicle was previously locked
with the central locking switch1
while in the selective remote
control mode, only the door opened
from inside is unlocked.
while in the global remote control
mode, the complete vehicle is
unlocked when a door is opened
from the inside.
124 Controls in detailMemory functionPrior to operating the vehicle, the driver
should check and adjust the seat height,
seat position fore and aft, and seat back-
rest angle if necessary, to ensure adequate
control, reach and comfort. The head
restraint should also be adjusted for
proper height. See also the section on
air bags (
page 63) for proper seat
positioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, operation
and comfort. Both the interior and exterior
rear view mirrors should be adjusted for
adequate rear vision.
Fasten seat belts. Infants and small chil-
dren should be seated in a properly se-
cured restraint system that complies with
U.S. Federal Motor Vehicle Safety
Standards 213 and 225 and
Canadian Motor Vehicle Safety Standards
213 and 210.2.The following settings are stored when
using the buttons on the driver’s door:
Driver’s seat, backrest and head
restraint position
Steering wheel position
Exterior rear view mirror position
The following settings are stored when
using the buttons on the passenger door:
Front passenger seat, backrest and
head restraint positionThe memory button and memory position
switch are located on the door.
1Memory button
2Memory position switch
Switch on the ignition (
page 34).
or
Open the respective door and insert
the SmartKey in the starter switch.
Warning!
G
Do not activate the memory function while
driving. Activating the memory function
while driving could cause the driver to lose
control of the vehicle.
128 Controls in detailLightingManual headlamp mode
The low beam headlamps and the parking
lamps can be switched on and off with the
exterior lamp switch.
Automatic headlamp mode
The following lamps switch on and off au-
tomatically depending on the brightness of
the ambient light:
Low beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
Turn the exterior lamp switch to
positionU.
With the SmartKey in starter switch
position1 or the KEYLESS-GO*
start/stop button pressed once, only
the parking lamps will switch on and off
automatically.
When the engine is running, the low
beam headlamps, the tail and parking
lamps, the license plate lamps, and the
side marker lamps will switch on and
off automatically.
iWith the SmartKey removed from the
starter switch or the engine turned off
with KEYLESS-GO* and the driver’s
door open, a warning sounds if the
parking lamps or low beam headlamps
are switched on.
The message
Turn off lamps
appears
in the multifunction display.
Warning!
G
If the exterior lamp switch is set toU,
the headlamps may switch off unexpect-
edly when the system senses bright
ambient light, for example light from
oncoming traffic.
the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others,
activate headlamps by turning exterior lamp
switch to B when driving or when traffic
and / or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from position U to B with the
vehicle at a standstill in a safe location.
Switching from U to B will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible for
the operation of the vehicle's lights at all
times.
133 Controls in detail
Lighting
Driving rearward
Switching on corner-illuminating front
fog lamps
Place the gear selector lever in
positionR.
The inverse front fog lamp comes on
automatically depending on the steer-
ing direction and steering angle.
Switching off corner-illuminating front
fog lamps
Place the gear selector lever out of
positionR.
The respective front fog lamp goes out.
Hazard warning flasher
The hazard warning flasher can be
switched on at all times, even with the
SmartKey or the SmartKey with
KELESS-GO* removed from the starter
switch or with the SmartKey with
KEYLESS-GO* removed from the vehicle.
The hazard warning flasher switches on
automatically when an air bag deploys.
The hazard warning flasher switch is
located on the upper part of the center
console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press hazard warning flasher
switch1.
All turn signals are flashing.
Switching off hazard warning flasher
Press hazard warning flasher switch1
again.iWith the hazard warning flasher
activated and the combination switch
set for either left or right turn, only the
respective turn signals will operate
when the ignition is switched on.iIf the hazard warning flasher has been
activated automatically, press hazard
warning flasher switch1 once to
switch it off.