& or % will lock or unlock the vehicle
accordingly.
Loss of the SmartKey
If you lose your SmartKey or mechanical key,
you should do the following:
XHave the SmartKey deactivated by an
authorized Mercedes-Benz Center.
XReport the loss of the SmartKey or the
mechanical key to your car insurance
company immediately.
XHave the mechanical lock replaced if
necessary.
Any authorized Mercedes-Benz Center will be
glad to supply you with a replacement. For
information on replacing the SmartKey, see
“Replacing the SmartKey” (Y page 72).
Replacing the SmartKey
Only you, or someone authorized by you can
order a replacement key from any Mercedes-
Benz Center. In order to do so, the Mercedes-
Benz Center will require proof of identity and
vehicle ownership with original documents,
including the following:
If you are the current owner of the vehicle:
Rthe vehicle’s current state registration
Ra current identity card, passport, or drivers
license
If you are an authorized person:
Rthe vehicle’s current state registration
Ra current identity card, passport, or drivers
license for the authorized individual
Rsigned and dated authorization from the
owner of the vehicle for which the key is
being requested
iDuplicated or photocopied
documentation will not be accepted.
Activating the key
Once you, or an authorized person, has
provided the appropriate documents, the
Mercedes-Benz Center will need to
synchronize the key to your vehicle before it
can be used. In order to do so, the Mercedes-
Benz Center need access to your vehicle.
Opening the doors from the inside
You can open a locked door from the inside.
Open door only when conditions are safe to
do so.
Example illustration driver’s door
If the vehicle has previously been locked with
the SmartKey or with KEYLESS-GO, opening
a door from the inside will trigger the anti-
theft alarm system.
To cancel the alarm, see (Y page 65).
XPull on inside door handle ; on the
respective door.
If the door was locked, locking knob : will
move up.
When you open a door, the windows on that
side lowers slightly. Once you close the
door, the windows move up again.
! A window will not work if it is blocked with
ice or if the vehicle battery is discharged. If
you cannot shut a door, do not force it or
you could damage the door or the window.
Fix whatever is affecting the window before
trying to shut the door.
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Automatic central locking
You can switch the automatic central locking
on or off using the control system
(Y page 126).
The doors and the trunk lock automatically
when the vehicle is set into motion.
You can open a locked door from the inside.
Open door only when conditions are safe to
do so.
The doors are designed to unlock
automatically after an accident 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 a vehicle speed of above 9 mph
(15 km/h). You could therefore lock yourself
out when the vehicle is pushed or towed or is
on a test stand.
Locking and unlocking from the inside
GObserve Safety notes, see page 51.
You can lock or unlock the vehicle from the
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.
The central locking or unlocking switch does
not lock or unlock the fuel filler flap or the
interior storage compartments, such as the
glove box.
XLocking: Press central locking switch :.
When all doors are closed, the vehicle
locks.
XUnlocking: Press central unlocking
switch ;.
You can open a locked door from the inside.
Open door only when conditions are safe to
do so.
If the vehicle was previously locked with the
central locking switch
Rand the SmartKey is set to factory settings,
the complete vehicle is unlocked when a
door is opened from the inside
Rand the SmartKey is set to selective
settings, only the door opened from inside
is unlocked
If the vehicle has been locked centrally with
the SmartKey or with KEYLESS-GO, it will not
unlock using the central unlocking switch.
Opening the trunk
GWarning!
Make sure the trunk is closed when the engine
is running and while driving. Among other
dangers, deadly carbon monoxide (CO) gases
may enter vehicle interior resulting in
unconsciousness and death.
! When you open the trunk, the trunk lid
swings open upwards. Always make sure
there is sufficient overhead clearance.
You can open the trunk when the vehicle is
stationary and the retractable hardtop is fully
opened or closed.
A minimum height clearance of 6.2 ft (1.88 m)
is required to open the trunk lid.
iTo facilitate trunk loading and unloading
when the hardtop is retracted, you can
raise the hardtop from its storage position
in the trunk using the load assist feature
(Y page 164). You may also unhook the
luggage cover.
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Closing the trunkGWarning!
Make sure the trunk is closed when the engine
is running and while driving. Among other
dangers, deadly carbon monoxide (CO) gases
may enter vehicle interior resulting in
unconsciousness and death.
GWarning!
To prevent possible personal injury, always
keep hands and fingers away from the trunk
opening when closing the trunk lid. Be
especially careful when small children are
around.
GObserve Safety notes, see page 51.
Do not leave the SmartKey in the open trunk.
You may lock yourself out.
If the vehicle was previously locked centrally
with the SmartKey or KEYLESS-GO, the trunk
lid will lock automatically when closed. All
turn signal lamps flash three times and an
acoustic signal sounds three times to confirm
locking.
iWhen the hardtop is retracted, it must be
completely lowered in the trunk before the
trunk can be closed (Y page 155).
Closing the trunk from the outside
manually
XLower trunk lid by pulling on handle :
firmly.
XClose trunk with hands placed flat on trunk
lid.
The power closing assist automatically
ensures that the trunk lid is pulled completely
close (Y page 78).
Closing the trunk from the inside
automatically
GWarning!
Maintain sight of the area around the rear of
the vehicle while operating the trunk lid with
the door mounted switch. Monitor the closing
procedure carefully to make sure no one is in
danger of being injured.
To interrupt the closing procedure, release
the door mounted remote trunk opening/
closing switch again.
Even with the SmartKey removed from the
starter switch or the SmartKey with KEYLESS-
GO removed from the vehicle, the remote
trunk opening/closing switch can be
operated. Therefore, 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.
In vehicles with trunk opening/closing
system you can close the trunk from the
inside using the remote trunk opening/
closing switch.
If the trunk lid comes into contact with an
object while closing, the closing procedure is
stopped and the trunk lid reopens slightly.
This will happen only while the trunk is in its
upper motion sequence. Check if luggage has
been piled too high, for example.
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XPress and hold remote trunk opening/
closing switch : until the trunk is closed.
Indicator lamp ; in the switch goes out
when the trunk is closed.
XInterrupting the closing procedure:
Release remote trunk opening/closing
switch :.
Closing the trunk from the outside
automatically
GWarning!
Monitor the closing procedure carefully to
make sure no one is in danger of being
injured. To prevent possible personal injury,
always keep hands and fingers away from the
trunk opening when closing the trunk lid. Be
especially careful when small children are
around. To stop the closing procedure, do one
of the following:
RPress button F on the SmartKey.
RPress the remote trunk opening/closing
switch (on the driver’s door).
RPress the trunk closing switch.
RPress the KEYLESS-GO locking/closing
switch.
RPull the trunk lid handle.
Even with the SmartKey removed from the
starter switch or the SmartKey with KEYLESS-
GO removed from the vehicle, the remote
trunk opening/closing switch can be
operated. Therefore, 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.
In vehicles with trunk opening/closing
system you can close the trunk from the
outside using the trunk closing switch.
Vehicles without KEYLESS-GO
Vehicles with KEYLESS-GO
XPress trunk closing switch : briefly.
Closing the trunk and locking vehicle
from outside
This section applies to vehicles with trunk
opening/closing system and KEYLESS-GO
only. You can close the trunk and lock the
vehicle simultaneously from the outside using
the KEYLESS-GO locking/closing switch.
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XMake sure you have the SmartKey with
KEYLESS-GO with you.
XPress KEYLESS-GO locking/closing
switch : briefly.
With all doors closed:
RThe locking knobs in the doors move
down.
RThe trunk lid starts to close
automatically.
RAll turn signal lamps flash three times
once the trunk has closed completely.
RAn acoustic signal sounds three times
once the trunk has closed completely.
RThe anti-theft alarm system is armed.
Trunk lid emergency release
The trunk lid can be opened from inside the
trunk with the emergency release button.
XBriefly press emergency release
button :.
The trunk lid unlocks and opens slightly.
XPush 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:
RThe button flashes for 30 minutes after
opening the trunk.
RThe button flashes for 60 minutes after
closing the trunk.
The emergency release button does not
unlock the trunk, if the vehicle battery is
discharged or disconnected.
Valet locking
You can lock the trunk separately with the
mechanical key. This denies unauthorized
access to the trunk, e.g. when you valet park
the vehicle.
XLeave only the SmartKey less its
mechanical key with the vehicle.
XValet locking: Close the trunk.XRemove the mechanical key from the
SmartKey (Y page 267).
XInsert the mechanical key in the trunk lid
lock.
XTurn the mechanical key clockwise to
position 2 and remove the mechanical
key in that position to lock the trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.
You can then only open the trunk with the
mechanical key.
XCanceling: Insert the mechanical key in
the trunk lid lock.
XTurn the mechanical key counterclockwise
to neutral position 1 and remove the
mechanical key in that position to unlock
the trunk.
You can now open the trunk.
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Power closing assist for trunk lid
It is not necessary to slam the trunk lid
closed. An electrical power-assisted
mechanism draws the trunk lid closed quietly
and automatically once the trunk lid has been
latched. When the electrical power-assisted
mechanism has stopped, the trunk can be
reopened.
GWarning!
To prevent possible personal injury, always
keep hands and fingers away from the trunk
opening when closing the trunk lid. Be
especially careful when small children are
around.
In case of danger, pull the inside or outside
door handle, or press the trunk lid lock.
To prevent personal injury, never actuate the
closing assist mechanism by tampering with
the door or trunk lid latch.
GWarning!
Make sure the trunk is closed when the engine
is running and while driving. Among other
dangers, deadly carbon monoxide (CO) gases
may enter vehicle interior resulting in
unconsciousness and death.
XPress the trunk lid gently into its lock.Starter switch positions
SmartKey
GObserve Safety notes, see page 51.
Starter switch
gFor removing SmartKey (gear selector
lever must be in park position P)
1Power supply for some electrical
consumers, e.g. wipers
2Ignition (power supply for all electrical
consumers) and driving position
3Starting position
When you switch on the ignition, all lamps in
the instrument cluster come on. The high-
beam headlamp indicator lamp and turn
signal indicator lamps will only come on if
activated. If a lamp in the instrument cluster
fails to come on when the ignition is switched
on, have it checked and replaced if necessary.
If a lamp in the instrument cluster remains on
after starting the engine or comes on while
driving, refer to “Lamps in instrument cluster”
(Y page 254).
XAlways remove the SmartKey from the
starter switch when the engine is not in
operation.
This will help to prevent accelerated vehicle
battery discharge or a completely
discharged vehicle battery.
If the SmartKey cannot be turned in the
starter switch, the vehicle battery may not be
sufficiently charged.
XCheck the vehicle battery and charge it if
necessary (Y page 285).
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Steering wheel adjustmentXAdjusting steering wheel in or out: Move
stalk in direction of arrows :.
XAdjusting steering wheel up or down:
Move stalk in direction of arrows ;.
iThe memory function (Y page 88) lets
you store the settings for the steering
wheel together with the settings for the
seat position and the exterior rear view
mirrors.
Easy-entry/exit feature
This feature allows the driver an easier entry
into and exit from the vehicle. When entering
and exiting the vehicle, the steering wheel is
in its uppermost position.
The easy-entry/exit feature can be activated
or deactivated in the Convenience submenu
of the control system (Y page 127).
GWarning!
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement do one of
the following:
RMove steering wheel adjustment stalk.
RPress one of the memory position buttons.
RPress memory button M.
Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
With the easy-entry/exit feature activated,
the steering wheel will return to its last set
position when you close the driver’s door with
the ignition switched on. The steering wheel
will also return to its last set position when
you insert the SmartKey into the starter
switch or press the KEYLESS-GO start/stop
button once with the driver’s door closed.
iThe last set steering wheel position is
stored when the ignition is switched off or
the position is stored in memory
(Y page 89).
With the easy-entry/exit feature activated,
the steering wheel tilts upwards when you
remove the SmartKey from the starter switch.
The steering wheel also tilts upwards when
you open the driver’s door with the SmartKey
in starter switch position 0 or 1 or the
KEYLESS-GO start/stop button in position 1.
iWhen the current position for the steering
wheel is in the uppermost tilt position, the
steering wheel will no longer be able to
move upward when the easy-entry/exit
feature is activated.
The adjustment procedure is briefly
interrupted when the engine is started.
GWarning!
Let the system complete the adjustment
procedure before setting the vehicle in
motion. All steering wheel adjustment must
be completed before setting the vehicle in
motion. Driving off with the steering wheel
still adjusting could cause the driver to lose
control of the vehicle.
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Power-folding exterior rear view
mirrors
This feature is only available in Canada
vehicles.
! Before you drive the vehicle through an
automatic car wash, fold in the exterior rear
view mirrors. Otherwise they may get
damaged.
Folding in and out automatically
The function must be activated in the
Convenience submenu (Y page 127).
The exterior rear view mirrors fold in
automatically as soon as the vehicle is locked
from the outside.
The exterior rear view mirrors fold out
automatically as soon as the vehicle is
unlocked and the driver’s or front passenger
door is subsequently opened.
Synchronizing
The power-folding rear view mirrors may have
to be synchronized after the vehicle battery
has been disconnected or discharged. If the
exterior rear view mirrors do not fold properly
upon locking or unlocking the vehicle, do the
following:
XMake sure the power-folding function in the
control system is activated (Y page 127).
XFold each exterior rear view mirror out
completely (Y page 88).
When the exterior rear view mirrors fold
properly upon locking the vehicle, the exterior
mirrors are synchronized. Otherwise repeat
the above steps.
Folding in and out manually
The exterior rear view mirrors can vibrate if
they are not folded out completely.
XFolding in: Briefly press button :.
Both exterior rear view mirrors fold in.
iAt speeds above approximately 60 mph
(100 km/h), you will not be able to fold the
exterior mirrors in.
Memory function
Notes
With the memory function you can store up
to three different configurations per front
seat.
Each memory position button on the driver’s
side can store all of the following settings:
RSeat position and lumbar support
RSteering wheel position
RExterior rear view mirrors’ position
GWarning!
Do not activate the memory function while
driving. Activating the memory function while
driving could cause the driver to lose control
of the vehicle.
Each memory position button on the
passenger side can store all of the following
settings:
RSeat position and lumbar support
RMulticontour seat: previously saved
settings
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