2013 MERCEDES-BENZ CLS-Class keyless go

X
To unlock the vehicle: touch the inner
surface of the door handle.
X To lock the vehicle: touch sensor
surface :.
X Convenience closing feature: touch
recessed sensor surface ; for an
extended period.
X To unlock the trunk lid: pull the trunk lid
handle.
Further information on the convenience
closing feature ( Y page 88).Changing the settings of the locking
system
You can change the settings of the locking
system.
This means that only the driver's door
and the fuel filler flap are unlocked when the
vehicle is unlocked. This is useful if you
frequently travel on your own.
X To change the setting: press and hold
down the % and & buttons on the
SmartKey simultaneously for
approximately

six seconds until the battery
check lamp flashes twice ( Y page 77).
i If the setting of the locking system is
changed within the signal range of the
vehicle,

pressing the & or % button:
R locks or
R unlocks the vehicle The SmartKey now functions as follows:
X
To unlock the driver's door: press the
% button once.
X To unlock centrally: press the %
button twice.
X To lock centrally: press the & button.
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 door handle on the front-
passenger door or the rear door.
X To lock centrally: touch the outer sensor
surface on one of the door handles.
X To restore the factory settings: press
and
hold down the % and & buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice ( Y page 77). 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
(Y page 71).
There are several ways to turn off the alarm:
X
To turn the alarm off with the
SmartKey:

press the % or & button
on the SmartKey.
or
X Insert the SmartKey into the ignition lock.
or
X To deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the76
SmartKey
Opening/closing

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.
If you unlock the vehicle using the mechanical
key, the fuel filler flap will not be unlocked
automatically.
X To unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key :
Release catch
; Mechanical key
X Push release catch : in the direction of
the arrow and at the same time remove
mechanical key ; from the SmartKey.SmartKey battery
Important safety notes G
WARNING
Batteries contain toxic and caustic
substances. For this reason, keep batteries
out of the reach of children.
If
a battery has been swallowed, seek medical
help immediately. G
WARNING
The SmartKey batteries contain perchlorate
material, which may require special handling and regard for the environment. Observe
government disposal guidelines. California
residents, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm.
Mercedes-Benz recommends that you have
the

batteries replaced at a qualified specialist
workshop.
Checking the battery X
Press the & or % button.
The battery is working properly if battery
check lamp : lights up briefly.
The battery is discharged if battery check
lamp : does not light up briefly.
X Change the battery ( Y page 77).
i If
the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the & or % button:
R locks or
R unlocks the vehicle
i You can get a battery in any qualified
specialist workshop.
Replacing the battery You require a CR 2025 3 V cell battery.
X
Take the mechanical key out of the
SmartKey (Y page 76). SmartKey
77
Opening/closing Z

Problems with the SmartKey
Problem Possible causes/consequences and
M SolutionsYou cannot lock or
unlock the vehicle
using the SmartKey. The SmartKey battery is discharged or nearly discharged.
X
Try again to lock/unlock the vehicle using the remote control
function of the SmartKey. Point the tip of the SmartKey at the
driver's door handle from close range and press the % or
& button.
If this does not work:
X Check the SmartKey battery (Y page 77) and replace it if
necessary ( Y page 77).
X Lock ( Y page 82) or unlock ( Y page 82) the vehicle using
the mechanical key. The SmartKey is faulty.
X
Lock ( Y page 82) or unlock ( Y page 82) 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. There is interference from a powerful source of radio waves.
X
Lock/unlock the vehicle using the remote control function of
the
SmartKey. Point the tip of the SmartKey at the driver's door
handle from close range and press the % or & button.There is a malfunction with KEYLESS-GO.
X
Lock/unlock the vehicle using the remote control function of
the

SmartKey. Point the tip of the SmartKey at the driver's door
handle from close range and press the % or & button.
X Have KEYLESS-GO checked at a qualified specialist workshop.
If this does not work:
X Check the SmartKey battery (Y page 77) and replace it if
necessary ( Y page 77).
X Lock ( Y page 82) or unlock ( Y page 82) the vehicle using
the mechanical key. 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. You have lost the
mechanical key. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. SmartKey
79
Opening/closing Z

Problem Possible causes/consequences and
M SolutionsThe 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 316).
or
X Jump-start the vehicle (Y page 317).
or
X Consult a qualified specialist workshop. The engine cannot be
started
using KEYLESS-
GO. The SmartKey is in
the vehicle. A door is open. Therefore, the SmartKey cannot be detected as
easily.
X
Close the door 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
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint

system, and do not give them access
to an unlocked vehicle. A child's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the
seat adjustment, steering wheel
adjustment or memory function. If children open a door, they could cause
severe

or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and a child could be burned on these
parts. G
WARNING
Do not carry heavy or hard objects in the
passenger
compartment or trunk unless they
are firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident80
Doors
Opening/closing

Unlocking and opening doors from
the inside
You can open a door from inside the vehicle
even if it has been locked.
You
can only open the rear doors from inside
the vehicle if they are not secured by the
child-proof locks (Y page 63). X
Pull door handle ;.
If
the door is locked, locking knob : pops
up. The door is unlocked and can be
opened. 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 :.
X To lock: press button ;.
If
all the doors are closed, the vehicle locks.
You cannot unlock the vehicle centrally from
the
inside if the vehicle has been locked with
the SmartKey or KEYLESS-GO. The central locking/unlocking button does
not lock or unlock the fuel filler flap.
You can open a front 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
X
To deactivate: press and hold button :
for
about five seconds until a tone sounds.
X To activate: press and hold button ; for
about five seconds until a tone sounds.
i If you press one of the two buttons and
do

not hear a tone, the relevant setting has
already been selected.
The vehicle is locked automatically when the
ignition is switched on and the wheels are
turning.
You could therefore lock yourself out if:
R the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is on a roller dynamometer.
You can also switch the automatic locking
function on and off using the on-board
computer (Y page 222). Doors
81
Opening/closing Z

Closing
G
WARNING
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. X
Pull the trunk lid down using recess :.
X If necessary, lock the vehicle with
the & button on the SmartKey
(Y page 75) or with KEYLESS-GO
(Y page 75).
i If a KEYLESS-GO key is detected in the
trunk, the trunk lid cannot be locked and
then opens again. Opening/closing automatically from
outside
Important safety notes G
WARNING
Make sure the trunk lid is closed when the
engine is running and while driving. Among
other dangers, deadly carbon monoxide (CO)
gases
may enter the vehicle interior resulting
in unconsciousness and death.
! 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 371). Opening You can open the trunk lid automatically
using

the SmartKey or the handle in the trunk
lid.
X Press and hold the F
button on the key
until the trunk lid opens.
or
X If the trunk is unlocked, pull the trunk lid
handle and release it again immediately
(Y page 83).
Closing G
WARNING
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:
R Press button F on the SmartKey.
R Press the remote trunk opening/closing
switch (on the driver's door).
R Press the trunk closing switch.
R Press the KEYLESS-GO locking/closing
switch.
R Pull 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. 84
TrunkOpening/closing

Closing button and locking button (example:
vehicles with trunk lid remote closing feature and
KEYLESS-GO)
:
Closing button
; Locking button
X To close: press closing button : in the
trunk lid.
Vehicles with trunk lid remote closing
feature and KEYLESS-GO: you can
simultaneously close and lock the trunk lid.
X Press locking button ; in the trunk lid.
i If you leave a KEYLESS-GO key in the
trunk, the trunk lid will not lock. Opening/closing automatically from
inside
Important safety notes G
WARNING
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. G
WARNING
Make sure the trunk lid is closed when the
engine is running and while driving. Among
other dangers, deadly carbon monoxide (CO)
gases

may enter the vehicle interior resulting
in unconsciousness and death. G
WARNING
Keep an eye on the area at the rear end of the
vehicle when operating the trunk lid/tailgate
with

the remote operating switch on the door.
Monitor the entire closing procedure to
ensure that there is no risk of injury to anyone
near the vehicle.
Release the switch on the door to interrupt
the closing procedure.
The remote operating switch can also be used
if the SmartKey has been removed from the
starter switch or the KEYLESS-GO key has
been removed from the vehicle. Never leave
children with no adult supervision in the
vehicle or with access to an unlocked vehicle.
If unsupervised children have access to a
vehicle, it could lead to an accident and/or
serious injury. G
WARNING
Ensure that the trunk lid/tailgate is closed
when
the engine is running and the vehicle is
in motion. Among other dangers, deadly
carbon monoxide (CO) may enter the vehicle
interior and cause unconsciousness and even
death.
i Opening dimensions of the trunk lid
(Y page 371). Trunk
85
Opening/closing Z

Opening/closing
X
To open: pull remote operating switch for
trunk lid : until the trunk lid opens.
X To close: press remote operating switch
for trunk lid : until the trunk lid is closed.
You can open the trunk lid from the driver's
seat when the vehicle is stationary and
unlocked. 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
mechanical key.
If you use the mechanical key to unlock and
open the trunk lid, the anti-theft alarm system
will be triggered ( Y page 71).
X Take the mechanical key out of the
SmartKey (Y page 76).
X Insert the mechanical key into the trunk lid
lock as far as the stop. 1
Neutral position.
2 To unlock
X Turn the mechanical key counter-clockwise
from position 1 as far as it will go to
position 2.
The trunk is unlocked.
X Turn the mechanical key back to position
1 and remove it.
X Insert the mechanical key into the
SmartKey. Trunk emergency release
You can open the trunk lid from inside the
vehicle with the emergency release button. X
Press emergency release button :
briefly.
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.
The trunk lid emergency release does not
open the trunk lid if the battery is
disconnected or discharged. 86
Trunk
Opening/closing