approximately six seconds until the battery
check lamp flashes twice (Y
page 85).
i If the setting of the locking system is
changed within the signal range of the
vehicle, pressing the 000Dor000E button:
R locks or
R unlocks the vehicle
The SmartKey now functions as follows:
X To unlock the driver's door: press the
000E button once.
X To unlock centrally: press the000E
butto ntwice.
X To lock centrally: press the000Dbutton.
The KEYLESS-GO function is changed as
follows:
X To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.
X To unlock centrally: touch the inner
surface of the front-passenger door handle.
X To lock centrally: touch the outersensor
surface on one of the door handles.
X To restore the factory settings: press
and hold down the 000Eand000D buttons
simultaneously for approximately six
seconds until the battery chec klamp
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-thef talarm system will be triggered
(Y page 78). There are several ways to tur
noff the alarm:
X To turn the alarm off with the
SmartKey: press the000Eor000D button
on the SmartKey.
or
X Insert the SmartKey into the ignition lock.
or
X To disarm the alarm with KEYLESS-GO:
press the Start/Stop button in the ignition
lock. The SmartKey must be in the vehicle.
or
X Lock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle.
Removing the mechanical key 0002
Release catch
0003 Mechanical key
X Push release catch 0002in the direction of
the arrow and at the same time remove
mechanical key 0003from the SmartKey.
For further information about:
R unlocking the driver's door (Y page 90)
R unlocking the trunk (Y page 93)
R locking the vehicle (Y page 90)84
SmartKeyOpening and closing
Problems with the SmartKey
Problem Possible causes/consequences and
0001 Solutions
You can no longer lock
or unlock the vehicle
using the SmartKey. The SmartKey battery is discharged or nearly discharged.
X
Check the SmartKey battery (Y page 85) and replace it if
necessary (Y page 85).
If this does not work:
X Lock (Y page 90) or unlock (Y page 90) the vehicle using
the mechanical key. The SmartKey is faulty.
X
Lock (Y page 90) or unlock (Y page 90) the vehicle using
the mechanical key.
X Have the SmartKey checked at a qualified specialist workshop. You can no longer lock
or unlock the vehicle
using KEYLESS-GO. The SmartKey battery is discharged or nearly discharged.
X
Check the SmartKey battery (Y page 85) and replace it if
necessary (Y page 85).
If this does not work:
X Lock (Y page 90) or unlock (Y page 90) the vehicle using
the mechanical key. There is interference from a powerful source of radio waves.
X Lock (Y page 90) or unlock (Y page 90) the vehicle using
the mechanical key. KEYLESS-GO is malfunctioning.
X
Lock/unlock the vehicle using the remote control function of
the SmartKey.
X Have the vehicle and SmartKey checked at a qualified specialist
workshop.
If the vehicle can also not be locked/unlocked using the remote
control function:
X Lock (Y page 90) or unlock (Y page 90) the vehicle using
the mechanical key.
X Have the vehicle and SmartKey checked at a qualified specialist
workshop. You have lost a
SmartKey. X
Have the SmartKey deactivated at a qualified specialist
workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. SmartKey
87Opening and closing Z
Problem Possible causes/consequences and
0001 Solutions
You have lost the
mechanical key. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. The engine cannot be
started using the
SmartKey. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 332).
or
X Jump-start the vehicle (Y page 334).
or
X Consult a qualified specialist workshop. The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle. The vehicle is locked.
X
Unlock the vehicle and try to start the vehicle again. There is interference from a powerful source of radio waves.
X
Start your vehicle with the SmartKey in the ignition lock. Doors
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shifting the automatic transmission out of
park position P
R Start 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.
G
WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
You should preferably place luggage or loads
in the cargo compartment. Observe the
loading guidelines (Y page 288). Unlocking and opening doors from
the inside
! The side windows will not open/close if
the battery is discharged or if the side
windows have iced up. It will then not be
possible to close the door. Do not attempt
to force the door closed. You could 88
DoorsOpening and closing
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 has
been locked with the SmartKey or with
KEYLESS-GO, opening adoor from the inside
will trigger the anti-theft alarm system.
Switch off the alarm (Y page 78).X
To unlock a front door: pull door
handle 0003.
Locking knob 0002pops up.
The door is unlocked and can be opened.
X To open a front door: pull door
handle 0003.
X To unlock a rear door: pull up locking
knob 0002.
The door is unlocked and can be opened.
X To open a rear door: pull door handle0003.
i When a door is opened, the side window
on that side opens slightly. When the door
is closed, the side window closes again. Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle
from the inside. X
To unlock: press button 0002.
X To lock: press button 0003.
If all the doors are closed, the vehicle locks.
Meanwhile, the fuel filler flap will not be
locked or unlocked.
You cannot unlock the vehicle centrally from
the inside if the vehicle has been locked with
the SmartKey or KEYLESS-GO.
You can open a door from inside the vehicle
even if it has been locked.
If the vehicle has been locked using the
locking button for the central locking, or has
been locked automatically, and a door is
opened from the inside:
R the vehicle will be fully unlocked if it had
previously been fully unlocked
R only the door which has been opened form
the inside is unlocked if only the driver's
door had been previously unlocked Automatic locking feature Doors
89Opening and closing Z
X
Press the 000Ebutton on the SmartKey.
X Pull handle 0002.
X Raise the trunkl id.
Closing X
Pull the trunk lid down using recess 0002.
X If necessary, lock the vehicle with
the 000D button on the SmartKey
(Y page 82) or with KEYLESS-GO
(Y page 83).
i If a KEYLESS-GO key is detected in the
trunk, the trunk lid cannot be locked and
will open again. Opening automatically from outside
Important safety notes G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide .Exhaust
gases can enter the vehicle interior if the
trunk lid is ope nwhen the engine is running,
especially if the vehicle is in motion. There is
a risk of poisoning.
Always switch off the engine before opening
the trunk lid. Never drive with the trunk lid
open.
! The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid. i
Opening dimensions of the trunk lid
(Y page 390).
Opening You can unlock and open the trunk lid
simultaneously with the SmartKey.
X
Press and hold the 0005button on the
SmartKey until the trunk lid opens. Opening automatically from inside
Important safety notes G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Exhaust
gases can enter the vehicle interior if the
trunk lid is open when the engine is running,
especially if the vehicle is in motion. There is
a risk of poisoning.
Always switch off the engine before opening
the trunk lid. Never drive with the trunk lid
open.
i Opening dimensions of the trunk lid
(Y page 390).
Opening X
To open: pull remote operating switch for
trunk lid 0002until the trunk lid opens.
You can open the trunk lid from the driver's
seat when the vehicle is stationary and
unlocked. 92
TrunkOpening and closing
Locking the trunk separately
You can lock the trunk separately. If you then
unlock the vehicle centrally, the trunk
remains locked and canno tbe opened.
X Close the trun klid.
X Take the mechanical key out of the
SmartKey (Y page 84). 0006
Basic position
0007 To lock
X Insert the mechanical key into the trunk lid
lock as far as it will go.
X Turn the mechanical key clockwise from
position 0006to position 0007.
X Remove the mechanical key.
X Insert the mechanical key into the
SmartKey. Unlocking the trunk (mechanical key)
! The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficien tclearance above the trunk lid.
If the trunk cannot be unlocked with the
SmartKey or KEYLESS-GO, use the
mechanical key.
If you use the mechanical key to unloc kand
open the trunk lid, the anti-thef talarm system
will be triggered ( Ypage 78).
X Take the mechanical key out of the
SmartKey (Y page 84).
X Insert the mechanical key into the trunk lid
lock as far as it will go. 0006
Neutral position.
0007 To unlock
X Turn the mechanical key counter-clockwise
fro mp osition 0006as far as it will go to
position 0007.Pulling the trunk lid handle at
the same time.
The trunk is unlocked.
X Turn the mechanical key back to position
0006 and remove it.
X Insert the mechanical key into the
SmartKey.
i When you loc kthe vehicle (Y page 90),
the trunk is also locked. Trunk emergency release
You can open the trunk lid from inside the
vehicle with the emergency release button. X
Press emergency release button 0002briefly.
The trunk lid unlocks and opens.
The trunk lid can be unlocked and opened
with the trunk lid emergency release when
the vehicle is stationary or while driving. Trunk
93Opening and closing Z
X
The key must be near the door handle.
X To open all side windows: press
the 000E button on the SmartKey until the
side windows are fully opened.
X To interrupt the opening procedure:
release the 000Ebutton.
X To close all side windows: press the
000D button on the SmartKey until the side
windows are fully closed.
X To interrupt the closing procedure:
release the 000Dbutton.
Convenience closing with KEYLESS-GO G
WARNING
When using the convenience closing feature,
parts of the body could be trapped in the
closing area when a side window is being
closed. There is a risk of injury.
Observe the complete closing procedure
when the convenience closing feature is
operating. Make sure that no body parts are
in close proximity during the closing
procedure.
Proceed as follows if someone is trapped:
X release the sensor surface on the door
handle.
X pull the door handle immediately and hold
it.
The side windows open.
With KEYLESS-GO you can close all side
windows simultaneously. The KEYLESS-GO
key must be outside the vehicle. All the doors
must be closed. X
Touch recessed sensor surface 0002on the
door handle until the side windows are fully
closed.
i Make sure you only touch recessed
sensor surface 0002.
X Make sure that all the side windows are
closed.
X To interrupt convenience closing:
release recessed sensor surface 0002on the
door handle. Convenience opening (Coupe)
General notes You can ventilate the vehicle before you start
driving. To do this, the SmartKey is used to
carry out the following functions
simultaneously:
R unlock the vehicle
R open the side windows
R open the panorama roof with power tilt/
sliding panel and the roller sunblind
R switch on the seat ventilation for the
driver's seat
i The convenience opening feature can
only be operated using the SmartKey. The
key must be in close proximity to the
vehicle.
Convenience opening X
Press and hold the 000Ebutton until the
side windows and the panorama roof with 96
Side windowsOpening and closing
power tilt/sliding panel are in the desired
position.
If the roller sunblind of the panorama roof
with power tilt/sliding panel is closed, the
roller sunblind is opened first.
X Press and hold the 000Ebutton again until
the panorama roof with power tilt/sliding
panel is in the desired position.
X To interrup tconvenience opening:
release the 000Ebutton. Convenience closing (Coupe)
Important safety notes Information on the side window reversing
feature (Y
page 94). G
WARNING
When the convenience closing feature is
operating, parts of the body could become
trapped in the closing area of the side window
and the sliding sunroof .There is a risk of
injury.
Observe the complete closing procedure
when the convenience closing feature is
operating. Make sure that no body parts are
in close proximity during the closing
procedure.
Proceed as follows if someone is trapped:
With the SmartKey:
X Release the 000Dbutton.
X Press and hold the 000Ebutton until the
side windows and the sliding sunroof or the
panorama roof with power tilt/sliding
panel open again.
Using KEYLESS-GO:
X Release the sensor surface on the door
handle.
X Pull the door handle immediately and hold
it.
The side windows and the sliding sunroof
or the panorama roof with power tilt/
sliding panel open. General notes When you lock the vehicle, you can
simultaneously:
R
close the side windows
R close the panorama roof with power tilt/
sliding panel
On vehicles with a panorama roof with power
tilt/sliding panel, you can then close the
roller sunblind.
Using the SmartKey X
Vehicles without KEYLESS-GO: point the
tip of the SmartKey at the door handle on
the driver's door.
X Vehicles with KEYLESS-GO: the key must
be in close proximity to the vehicle.
X Press and hold the 000Dbutton until the
side windows and the panorama roof with
power tilt/sliding panel are fully closed.
X Make sure that all the side windows and the
panorama roof with power tilt/sliding
panel are closed.
On vehicles with a panorama roof with power
tilt/sliding panel:
X Press and hold the 000Dbutton again until
the roller sunblind of the panorama roof
with power tilt/sliding panel closes.
X To interrupt convenience closing:
release the 000Dbutton.
Using KEYLESS-GO The KEYLESS-GO key must be outside the
vehicle. All the doors must be closed. Side windows
97Opening and closing Z