XTo deactivate:press the&button on
the SmartKey twice in rapid succession.
The battery check lamp (
Ypage 85) of the
SmartKey flashes twice briefly and lights up
once, then KEYLESS-GO is deactivated.
XTo activate: press any button on the
SmartKey or insert the SmartKey into the
ignition lock.
KEYLESS-GO and all of its associated fea-
tures are available again.
Changing the settings of the locking
system
You can change the settings of the locking
system. This means only the driver's door, the
lockable stowage compartments in the vehi-
cle interior and the fuel filler flap are unlocked
when the vehicle is unlocked. This is useful if
you frequently travel on your own.
XTo change the setting: press and hold
down the %and& buttons simulta-
neously for about six seconds until the bat- tery indicator lamp flashes twice
(
Ypage 85).
iIf the setting of the locking system is
changed within the signal range of the vehi-
cle, pressing the &or% button:
Rlocks or
Runlocks the vehicle
The SmartKey now functions as follows:
XTo unlock: press the%button once.
XTo unlock centrally: press the%but-
ton twice.
XTo lock centrally: press the&button. The KEYLESS-GO function is changed as fol-
lows:
XTo unlock the driver's door:
touch the
inner surface of the door handle on the
driver's door.
XTo unlock centrally: touch the inner sur-
face of the front-passenger door handle.
XTo lock centrally: touch the outer sensor
surface on one of the door handles.
XTo restore the factory settings: press
and hold down the %and& butto
ns
simultaneously for approximately six sec-
onds until the battery check lamp flashes
twice (
Ypage 85).
Mechanical key
General notes
If the vehicle can no longer be locked or
unlocked with the SmartKey, use the
mechanical key.
If you use the mechanical key to unlock and
open the driver's door or the trunk lid, the
anti-theft alarm system will be triggered
(
Ypage 80).
There are several ways to turn off the alarm:
XTo deactivate the alarm with the key:
press the %or& button on the key.
or
XInsert the SmartKey into the ignition lock.
or
XTo deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the igni-
tion lock. The SmartKey must be in the
vehicle.
or
XLock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle.
84SmartKey
Opening and closing
ProblemPossible causes/consequences andMSolutions
The engine cannot be
started using the
SmartKey.the on-board voltage is too low.
XSwitch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
XCheck the starter battery and charge it if necessary
(
Ypage 557).
or
XJump-start the vehicle (Ypage 559).
or
XConsult a qualified specialist workshop.
The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle.The vehicle is locked.
XUnlock the vehicle and try to start the vehicle again.
There is interference from a powerful source of radio waves.
XStart your vehicle with the SmartKey in the ignition lock.
Doors
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshifting the automatic transmission out of
park position P
RStart the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
Unlocking and opening doors from
the inside
!
The side windows will not open/close if
the battery is discharged or if the side win-
dows have iced up. It will then not be pos-
sible to close the door. Do not attempt to
force the door closed. You could otherwise
damage the door or the side window.
You can open a door from inside the vehicle
even if it has been locked.
If the vehicle was previously locked with the
SmartKey or with KEYLESS-GO, opening the
vehicle from the inside will activate the anti-
theft alarm system. Switch off the alarm
(
Ypage 80).
88Doors
Opening and closing
You could therefore lock yourself out if:
Rthe vehicle is being pushed.
Rthe vehicle is being towed.
Rthe vehicle is on a roller dynamometer.
You can also switch the automatic locking
function on and off using the on-board com-
puter (
Ypage 234).
Power closing
Power closing pulls the doors and trunk lid
into their locks automatically even if they are
only partly closed.
XPower closing feature (doors): push the
door past the first detent position into the
lock.
Power closing will pull the door fully closed.
XTo power close the trunk lid: lightly push
the trunk lid closed.
The power closing function pulls the trunk
lid closed.
Unlocking the driver's door (mechan-
ical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered (
Ypage 80).
XTake the mechanical key out of the Smart-
Key (
Ypage 84).
XInsert the mechanical key into the lock of
the driver's door as far as it will go.
XTurn the mechanical key counter-clockwise
as far as it will go to position 1.
The door is unlocked.
XTurn the mechanical key back and remove
it.
XInsert the mechanical key into the Smart-
Key (
Ypage 84).
Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey, use the mechanical key.
XOpen the driver's door.
XClose the front-passenger door and the
trunk lid.
XPress the locking button (Ypage 89).
XCheck whether the locking knob on the
front-passenger door is still visible. Press
the locking knob down by hand, if neces-
sary.
XClose the driver's door.
XTake the mechanical key out of the Smart-
Key (
Ypage 84).
XInsert the mechanical key into the lock of
the driver's door as far as it will go.
90Doors
Opening and closing
1To lock
XTurn the mechanical key clockwise as far as
it will go to position1.
XTurn the mechanical key back and remove
it.
XMake sure that the doors and the trunk lid
are locked.
XInsert the mechanical key into the Smart-
Key (
Ypage 84).
If you lock the vehicle as described above, the
fuel filler flap is not locked. The anti-theft
alarm system is not armed.
Trunk
Important safety notes
GWARNING
If objects, luggage or loads are not secured or
not secured sufficiently, they could slip, tip
over or be flung around and thereby hit vehicle
occupants. There is a risk of injury, particu-
larly in the event of sudden braking or a sud-
den change in direction.
Always store objects so that they cannot be
flung around. Secure objects, luggage or
loads against slipping or tipping before the
journey.
!The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
!Only close the trunk once the roof is low-
ered completely. Otherwise, you could
damage the roof. If you close the trunk lid before the roof is
lowered completely, the loading aid switch
lights up and a warning tone sounds.
iOpening dimensions of the trunk lid
(
Ypage 608).
iWith the roof open, you can use the load-
ing aid (
Ypage 516) to raise the folded roof
in the trunk to make loading easier. For this
purpose, you can also open the trunk par-
tition.
The trunk partition must be closed again
after loading. It will otherwise not be pos-
sible to close the roof.
You can unlock the trunk lid if the vehicle is
stationary and the roof is completely open or
closed.
Do not leave the SmartKey in the trunk. You
could otherwise lock yourself out.
The trunk lid can be:
Ropened/closed from outside
Ropened and closed automatically from out-
side (vehicles with trunk lid remote closing
feature)
Ropened and closed automatically from
inside (vehicles with trunk lid remote clos-
ing feature)
Ropened, closed or stopped during opera-
tion without the use of your hands (vehicles with KEYLESS-GO and HANDS-FREE
ACCESS)
Rlocked separately
Runlocked with the mechanical key
Ropened with the emergency release button
Trunk lid reversing feature
The trunk lid is equipped with an automatic
reversing feature. It reacts if a solid object
obstructs or restricts the trunk lid during the
closing procedure. The trunk lid opens again
automatically. The automatic reversing func-
tion is only an aid and is not a substitute for
your attentiveness to the trunk lid while it is
closing.
Trunk91
Opening and closing
Z
XInsert the mechanical key into the trunk lid
lock as far as it will go.
XTurn the mechanical key clockwise from
position1to position 2.
XRemove the mechanical key.
XInsert mechanical key into the SmartKey
(
Ypage 84).
Unlocking the trunk (mechanical key)
!
The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
If the trunk cannot be unlocked with the
SmartKey or KEYLESS-GO, use the mechani-
cal key.
If you use the mechanical key to unlock and
open the trunk lid, the anti-theft alarm system will be triggered (
Ypage 80).
XTake the mechanical key out of the Smart-
Key (
Ypage 84).
XInsert the mechanical key into the trunk lid
lock as far as it will go.
1Basic position
2To unlock
XTurn the mechanical key from position 1
counter-clockwise as far as it will go to
position 2.
XPull the trunk lid handle.
The trunk is unlocked.
XTurn the mechanical key back to position
1and remove it.
XInsert mechanical key into the SmartKey
(
Ypage 84).
Trunk emergency release
You can unlock the trunk lid from the inside
with the emergency release button.
XPress emergency release button :briefly.
The trunk lid unlocks and opens slightly.
XPush the trunk lid upwards to open it com-
pletely.
The trunk lid can be unlocked with the trunk
lid emergency release when the vehicle is
stationary or while driving.
The trunk lid emergency release does not
unlock the trunk lid if the battery is discon-
nected or discharged.
Trunk lid emergency release light:
Remergency release button :flashes for
30 minutes after the trunk lid is opened
Remergency release button :flashes for
60 minutes after the trunk lid is closed
Side windows
Important safety notes
GWARNING
While opening the side windows, body parts
could become trapped between the side win-
96Side windows
Opening and closing
Vehicle remote opening
You can use the vehicle remote opening if you
have unintentionally locked your vehicle and
a replacement SmartKey is not available.
The vehicle can be opened by the Mercedes-
Benz Customer Assistance Center.
The vehicle can be immediately opened
remotely within four days of the ignition being
turned off. After this time, the remote unlock-ing may be delayed by 15 to 60 minutes. After
30 days, the vehicle can no longer be opened
remotely.
XContact the following service hotlines:
RUSA: Mercedes-Benz Customer Assis-
tance Center at 1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
RCanada: Customer Service at
1-888-923-8367
You will be asked for your password.
XReturn to your vehicle at the time agreed
upon with the Mercedes-Benz Customer
Assistance Center.
USA only: alternatively, the vehicle can be
opened via:
Rthe Internet, under the "Owners Online"
section
Rthe telephone application (e .g. for iPhone®,
Android)
To do this, you will need your identification
number and password.
iVehicle remote opening is only possible if
the corresponding mobile phone network is accessible.
Vehicle remote closing
The valet locking feature can be used when
you have forgotten to lock the vehicle and you
are no longer nearby.
The vehicle can then be locked by the
Mercedes-Benz Customer Assistance Center.
The vehicle can be immediately remotely
locked within four days of the ignition being
turned off. After this time, remote closing may be delayed by 15 to 60 minutes. After 30 days
the vehicle can no longer be locked remotely.
XContact the following service hotlines:
RUSA:
Mercedes-Benz Customer Assis-
tance Center at 1-800-FOR-MERCedes
(1-800-367-6372) or 1-866-990-9007
RCanada: Customer Service at
1-888-923-8367
You will be asked for your password.
The next time you are inside the vehicle and
you switch on the ignition, the Doors
Locked Remotelymessage appears in the
multifunction display.
USA only: alternatively, the vehicle can be
locked via:
Rthe Internet, under the "Owners Online"
section
Rthe telephone application (e .g. for iPhone®,
Android)
To do this, you will need your identification
number and password.
iThe vehicle remote closing feature is
available when the relevant mobile phone
network is available and data connection is possible.
Stolen vehicle recovery service
If your vehicle has been stolen:
XNotify the police.
The police will issue a numbered incident
report.
XThis number will be forwarded to the
Mercedes-Benz Customer Assistance Cen-
ter together with your PIN.
The Mercedes-Benz Customer Assistance
Center then tries to locate the system. The
Mercedes-Benz Customer Assistance Cen-
ter contacts you and the local law enforce- ment agency if the vehicle is located.
However, only the law enforcement agency
is informed of the location of the vehicle.
iIf the anti-theft alarm system is activated
for longer than 30 seconds, the Mercedes-
Features527
Stowage and features
Z
message in the COMAND display. The route is
saved to the SD memory card.
XTo start route guidance:selectYes.
An overview of the route is shown in the
display.
iIf you select No, the saved route can be
called up later via the navigation menu.
XSelect Start.
Route guidance is started.
iDownloaded and saved data can be called
up again in COMAND.
Further information can be found in the
"COMAND", "Online and Internet func-
tions", "Destination/route download" sec-
tion..
Speed alert
You can define the upper speed limit, which
must not be exceeded by the vehicle.
If this selected speed is exceeded by the vehi-
cle, a message will be sent to the Customer
Assistance Center. The Customer Assistance Center then forwards this information to you.
You can select the way in which you receive
this information beforehand. Possible options
include text message, e-mail or an automated call.
The data you receive contains the following
information:
Rthe location where the speed limit was
exceeded
Rthe time at which the speed limit was
exceeded
Rthe selected speed limit which was excee-
ded
Geo fencing
Geo fencing allows you to select areas which
the vehicle should not enter or leave. You will
be informed if the vehicle crosses the boun-
daries of the selected areas. You can select
the way in which you receive this information beforehand. Possible options include text
message, e-mail or an automated call.
The area can be determined as either a circle
or a polygon with a maximum of ten corners.
You can specify up to ten areas simultane-
ously. Different settings are possible for each area.
USA only: these settings can be called up
under "Owners Online" at http://
www.mbusa.com.
Alternatively, you can trigger an MB Info call
and inform the customer service representa-
tive that you wish to activate geo fencing.
Currently inactive areas can be activated by
text message.
Triggering the vehicle alarm
With this function, you can trigger the vehi-
cle's panic alarm via text message. An alarm
sounds and the exterior lighting flashes.
Depending on the setting, the panic alarm
lasts five or ten seconds. Afterwards, the
alarm switches off.
Garage door opener
General notes
The HomeLink®garage door opener integra-
ted in the rear-view mirror allows you to oper-
ate up to three different door and gate sys-
tems.
Use the integrated garage door opener only
on garage doors that:
Rhave safety stop and reverse features and
Rmeet current U.S. federal safety standards
Once programed, the integrated garage door
opener in the rear-view mirror will assume the
function of the garage door system's remote
control. Please also read the operating
instructions for the garage door system.
When programming a garage door opener,
park the vehicle outside the garage. Do not
run the engine while programming.
Features529
Stowage and features
Z