100 Controls in detailLocking and unlockingGlobal locking
Press button‹.
With the trunk and all doors closed, all
turn signal lamps flash three times. The
anti-theft alarm system is armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressingŒ only unlocks the driver’s
door, interior storage compartments and
the fuel filler flap.
Press and hold buttonsŒ and‹
simultaneously for about 6 seconds un-
til battery check lamp5 flashes twice.
The SmartKey will then function as
follows:Unlocking driver’s door and fuel filler
flap
Press buttonŒ once.
All turn signal lamps flash once. The
anti-theft alarm system is disarmed.
Global unlocking
Press buttonŒ twice.
All turn signal lamps flash once. The
anti-theft alarm system is disarmed.
Global locking
Press button‹.
With the trunk and all doors closed, all
turn signal lamps flash three times. The
anti-theft alarm system is armed.
Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about 6 seconds un-
til battery check lamp5 (
page 98)
flashes twice.Unlocking and opening the trunk
You can unlock the trunk separately.
A minimum height clearance of
5.5 ft (1.66 m) is required to open the
trunk lid.
Press and hold buttonŠ until the
trunk lid unlocks and opens slightly.
Checking the batteries
Press button ‹ or Œ.
Battery check lamp5 (
page 98)
comes on briefly to indicate that the
SmartKey batteries are in order.
i
If battery check lamp5 does not come on
briefly during check, then the SmartKey
batteries are discharged.
Replace the batteries (
page 359).
You can obtain the required batteries at any
authorized Mercedes-Benz Center.
i
If the batteries are checked within signal
range of the vehicle, pressing button‹
orŒ will lock or unlock the vehicle
accordingly.
101 Controls in detail
Locking and unlocking
Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:
Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.
Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.
If necessary, have the trunk lock
replaced.
Any authorized Mercedes-Benz Center will
be glad to supply you with a replacement.
Opening the doors
Opening from the outside
For information on opening the doors from
the outside, see “Getting started”
(page 39).Opening from the inside
You can open a locked door from the in-
side. Open the door only if the vehicle is
stationary and when conditions are safe to
do so.
1Inside door handle
Pull on door handle1.
The door swings outwards and up-
wards automatically.
Opening a door causes the door win-
dows on that side of the vehicle to
open slightly. They will return to the up
position when the door is closed.
!
Ensure sufficient side- and overhead clear-
ance prior to opening the doors, see “Main di-
mensions” (
page 391).
102 Controls in detailLocking and unlocking
Opening the trunk
Opening the trunk from the outside
A minimum height clearance of
5.5 ft (1.66 m) is required to open the
trunk lid.
The handle is located above the rear
license plate recess.
1Trunk lock
2Handle The vehicle must be unlocked.
Pull on handle2 and lift the trunk lid.
The trunk can also be opened using
buttonŠ on the SmartKey or from its
inside in an emergency, see “Trunk emer-
gency release” (
page 104).
Opening the trunk from the inside
You can open the trunk from the inside if
the vehicle is stationary.
A minimum height clearance of
5.5 ft (1.66 m) is required to open the
trunk lid.
!
The door windows will not open or close if
the battery is discharged or the door windows
are impeded by ice. In this case open or close
the door with increased caution. Do not attempt
to force the door opened or closed. Doing so
may damage the door seals or the side window.
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If the vehicle has previously been locked
with the SmartKey, opening a door from the
inside will trigger the anti-theft alarm system.
To cancel the alarm, do one of the following:
Press buttonŒ or‹ on the
SmartKey.
Insert the SmartKey in the starter switch.
!
Always make sure that there is sufficient
overhead clearance.
103 Controls in detail
Locking and unlocking
The switch is located on the lower part of
the center console.
1Remote trunk opening switch
Press switch1 until the trunk lid
unlocks and opens slightly.
Lift the trunk lid.
The trunk can also be opened using
buttonŠ on the SmartKey or from its
inside in an emergency, see “Trunk emer-
gency release” (
page 104).
Closing the trunk lid
1Handle
Lower trunk lid by firmly pulling on
handle1.
!
Always make sure that there is sufficient
overhead clearance.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
opening when closing the trunk lid. Be espe-
cially careful when small children are
around.
Make sure the trunk is closed when the en-
gine is running and while driving. Among
other dangers, such as blocked visibility,
exhaust fumes may enter the vehicle
interior. These fumes are damaging to your
health.
!
Do not pull on the Airbrake or the wind
screen. Otherwise the Airbrake, the wind screen
or the trim panel could be damaged.
i
Do not place the SmartKey in the open
trunk. You may lock yourself out.
If the vehicle was previously centrally locked, the
trunk lid will lock automatically after closing it.
All turn signals will flash three times to confirm
locking.
104 Controls in detailLocking and unlockingTrunk emergency release
The emergency release button is located
on the inside of the trunk lid.
With the emergency release button, the
trunk can be opened from inside the trunk.Emergency release button
Briefly press emergency release
button.
The trunk unlocks and the trunk lid
opens slightly.
Push up the trunk lid to fully open.The emergency release button unlocks the
trunk while the vehicle is standing still or in
motion.
Illumination of the emergency release
button:
The button will flash for 30 minutes
after opening the trunk.
The button will flash for 60 minutes
after closing the trunk.
The emergency release button does not
open the trunk lid if the vehicle battery is
discharged or disconnected.
Automatic locking
The doors and the trunk lock automatically
when the vehicle is set into motion.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
The doors unlock automatically after an ac-
cident if the force of the impact exceeds a
preset threshold.
The vehicle locks automatically when the
ignition is switched on and the wheels are
turning at vehicle speeds of approximately
9 mph (15 km/h) or more. You could
therefore lock yourself out when the vehi-
cle is pushed or is on a test stand.
You can deactivate the automatic locking
using the control system (
page 139).
i
If the vehicle has previously been locked
from the outside with the SmartKey, 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:
Press buttonŒ or‹ on the
SmartKey.
Insert the SmartKey in the starter switch.
105 Controls in detail
Locking and unlocking
Locking and unlocking from the inside
You can lock or unlock the vehicle from in-
side using the central locking switches.
This can be useful, for example, if you want
to unlock the passenger door from the in-
side or want to lock the vehicle before
starting to drive.
The central locking switch does not lock or
unlock the fuel filler flap and the storage
compartments.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.The switches are located on the upper part
of the center console.
Central locking switches1Locking
2UnlockingLocking
Press central locking switch1.
If all the doors are closed, the vehicle
locks.
Unlocking
Press central locking switch2.
The vehicle unlocks.
Warning!
G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. A child’s
unsupervised access to a vehicle could
result in an accident and/or serious
personal injury.
i
If the vehicle was previously centrally locked
using the SmartKey, it will not unlock using the
central locking switch.
If the vehicle was previously locked with the
central locking switch
while in the global remote control mode, the
complete vehicle is unlocked when a door is
opened from the inside
while in the selective remote control mode,
only the door opened from the inside is
unlocked
106 Controls in detailLightingFor information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 51)
and “Turn signals” (
page 51).
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.
MOff
Daytime running lamp mode
(
page 108)
UAutomatic headlamp mode
Daytime running lamp mode
(page 108)
CParking lamps (also tail lamps,
license plate lamps, side marker
lamps, instrument panel lamps)BLow-beam headlamps or high-beam
headlamps
ˆStanding lamps, right
(turn left one stop)
‚Standing lamps, left
(turn left two stops)
CIndicator lamp for parking lamps
‡Indicator lamp for front fog lamps
†Indicator lamp for rear fog lamp
i
If you drive in countries where vehicles drive
on the other side of the road than the country
where the vehicle is registered, you must have
the headlamps modified for symmetrical low
beams. Relevant information can be obtained at
any authorized Mercedes-Benz Center.
i
If you hear a warning signal you have forgot-
ten to switch off the low-beam headlamps or the
parking lamps before opening the driver’s door.
In addition the message$
Lights Are
Still On
appears in the multifunction display.
Switch off the headlamps or the parking lamps.
If the message
Switch off lights or re-
move key.
appears in the multifunction display,
remove the SmartKey from the starter switch or
switch off the automatic headlamp mode.
!
Failure to switch off the headlamps when
leaving the vehicle may result in a discharged
battery.
107 Controls in detail
Lighting
Low-beam headlamps
The low-beam headlamps can be switched
on and off with the exterior lamp switch
using the manual headlamp mode.
Turn the exterior lamp switch to
positionB.
The following lamps switch on:
Low-beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
Automatic headlamp mode
The following lamps switch on and off
automatically 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
position U.
With the SmartKey in starter switch
position1, the tail and parking lamps,
the license plate lamps, and the side
marker lamps will switch on and off
depending on the brightness of the
ambient light.
When the engine is running, the
low-beam headlamps, the tail and park-
ing lamps, the license plate lamps, and
the side marker lamps will switch on
and off depending on the brightness of
the ambient light.
Warning!
G
If the exterior lamp switch is set toU,
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 toB when driving or when traffic
and/or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from positionU toB with the
vehicle at a standstill in a safe location.
Switching fromU toB 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.
i
Canada only:
High-beam headlamps are only available with the
exterior lamp switch in positionB.