2014 MERCEDES-BENZ CL-Class key

i
If the alarm stays on for more than
30 seconds, the mbrace (USA only) or TELE
AID (Canada only) emergency call system
initiates a call to the Customer Assistance
Center automatically. The emergency call
system initiates the call provided that:
R you have subscribed to the mbrace/
TELE AID service.
R the mbrace/TELE AID service has been
activated properly.
R the required mobile phone, powers upply
and GPS are available. X
To arm: lockthe vehicle with the SmartKey
or KEYLESS-GO.
Indicator lamp :flashes. The alarm
system is armed after approximately
30 seconds.
X To disarm: unlock the vehicle with the
SmartKey or KEYLESS-GO.
X To stop the alarm using the SmartKey:
insert the SmartKey into the ignition lock.
The alarm is switched off.
or
X Press the %or& button on the
SmartKey.
The alarm is switched off. X
To stop the alarm using KEYLESS-GO:
grasp the outside door handle. The
SmartKey must be outside the vehicle.
The alarm is switched off.
or
X Press the Start/Stop button on the
dashboard. The SmartKey must be inside
the vehicle.
The alarm is switched off. Theft deterrent locking system
71Safety Z

Vehicle equipment
..............................74
SmartKey ............................................. 74
Doors .................................................... 81
Trunk .................................................... 84
Side windows ...................................... 88
Sliding sunroof .................................... 91 73Opening and closing

Vehicle equipment
i This Operator's Manual describe sall
models and all standard and optional
equipmen tofyour vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
relevant systems and functions. SmartKey
Important safety notes
G
WARNING
When leaving the vehicle, always remove the
SmartKey from the starter switch. Always
take the SmartKey with you and lock the
vehicle. Do not leave children unattended in
the vehicle, even if they are secured in a child
restraint system, or with access to an
unlocked vehicle. Achild's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. The children
could
R injure themselves on parts of the vehicle
R be seriously or fatally injured through
excessive exposure to extreme heat or cold
R injure themselves or cause an accident with
vehicle equipment that can be operated
even if the SmartKey is removed from the
starter switch or removed from the vehicle,
such as seat adjustment, steering wheel
adjustment, or the memory function
If children open a door, they could injure other
persons or get out of the vehicle and injure
themselves or be injured by following 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 the child could be burned by these
parts. G
WARNING
Do not carry heavy or hard objects in the
passenger compartmentu nless 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 accident General notes
If you canno topen or lock the vehicle with the
SmartKey, either the battery in the SmartKey
is empty, the SmartKey is faulty, or the starter
battery is discharged.
X Check the battery in the SmartKey and
replace it if necessary (Y page 78).
X Unlock the driver's door with the
mechanical key (Y page 83).
X Lock the vehicle (Y page 83).
X Have the starter battery and battery
contacts checked by an authorized
Mercedes-Benz Center.
If the SmartKey is faulty, contact Roadside
Assistance or an authorized Mercedes-Benz
Center. SmartKey functions
General notes i
Only for USA:
This device complies with Part 15 of the
FCC rules. Operation is subjec tto the
following conditions:
1. This device must not cause any
interference, and
2. This device must be able to
accommodate interference that is
received, including interference which
could cause unwanted functions. 74
SmartKeyOpening and closing

Unapproved modifications to this device
may lead to withdrawal of permission to
operate it.
The product label with FCC ID and IC
certification number can be found in the
battery case of the SmartKey.
i Only for Canada:
This device complies with Industry
Canada's RSS210 rules. Operation is
subject to the following conditions:
1. This device must not cause any
interference, and
2. This device must be able to
accommodate interferencet hat is
received, including interference which
could cause unwanted functions.
Unapproved modifications to this device
may lead to withdrawal of permission to
operate it.
The product label with FCC ID and IC
certification number can be found in the
battery case of the SmartKey.
Locking and unlocking centrally The SmartKey centrally locks/unlocks:
R the doors
R the trunk lid
R the fuel filler flap :
& To lock the vehicle
; F To unlock the trunk lid
= % To unlock the vehicle
When unlocking, the turn signals flash once.
When locking, they flash three times. When it is dark, the surround lighting also
comes on if it is activated in COMAND.
You can also set an audible signal to confirm
that the vehicle has been locked or unlocked.
The audible signal can be activated and
deactivated using the on-board computer
(Y
page 350).
X To unlock centrally: press the%
button.
If you do not open a door or the trunk lid within
approximately 40 seconds of unlocking the
vehicle:
R the vehicle is locked again.
R the theft deterrent locking system is
activated again.
X To lock centrally: press the&button. KEYLESS-GO
General notes i
Only for USA:
This device complies with Part 15 of the
FCC rules. Operation is subject to the
following conditions:
1. This device must not cause any
interference, and
2. This device must be able to
accommodate interference that is
received, including interference which
could cause unwanted functions.
Unapproved modifications to this device
may lead to withdrawal of permission to
operate it.
The product label with FCC ID and IC
certification number can be found in the
battery case of the SmartKey.
i Only for Canada:
This device complies with Industry
Canada's RSS210 rules. Operation is
subject to the following conditions:
1. This device must not cause any
interference, and SmartKey
75Opening and closing Z

2. This device must be able to
accommodate interference that is
received, including interference which
could cause unwanted functions.
Unapproved modifications to this device
may lead to withdrawal of permissio
nto
operate it.
The product label with FCC ID and IC
certification number can be found in the
battery case of the SmartKey.
Important information for using
KEYLESS-GO R
You can use the KEYLESS-GO key as a
conventional key.
R You can combine KEYLESS-GO functions
with those of a conventional key, e.g. open
with KEYLESS-GO and close with the
& button.
R Always carry your KEYLESS-GO key on your
person.
R Never keep the KEYLESS-GO key with:
-electronic equipment, such as your
mobile phone or another key
- metal objects, such as coins or metal foil
This may impair the functioning of
KEYLESS-GO.
R To open or close the vehicle, the KEYLESS-
GO key should be no more than 3 ft (1 m)
from the door or trunk.
R If the vehicle is parked for more than
72 hours, the KEYLESS-GO function is
deactivated. Pull one of the outer door
handles and turn on the ignition to
reactivate the KEYLESS-GO function.
R When the KEYLESS-GO key is removed
from the vehicle, it is possible that the
system may not recognize it. In this case,
the vehicle cannot be locked or started with
KEYLESS-GO.
R If the KEYLESS-GO key has been removed
from the vehicle, e.g. if a passenger leaves
the vehicle with the KEYLESS-GO key:
- while someone is holding the Start/Stop
button or attempting to lock the vehicle using the outer door handle, the
Key Not Detected message will appear in
the multifunction display.
- while the engine is running, the red Key Not Detected message will appear in
the multifunction display as you pull
away. Find the KEYLESS-GO key and
change its position in the vehicle. Place
the KEYLESS-GO key in a location such
as the front-passenger seat, or carry it in
your shirt pocket.
R If you have started the engine using the
Start/Stop button, you can turn if off again
by:
-pressing the Start/Stop button again
- inserting the KEYLESS-GO key into the
ignition lock when the vehicle is
stationary and the automatic
transmission is in parking position P.
R You may accidentally unlock the vehicle if
the KEYLESS-GO key is within 3 ft (1 m) of
the vehicle and:
- a jet of water splashes an outer door
handle
or
- you are cleaning an outer door handle.
R Note that the engine can be started by any
vehicle occupant if a KEYLESS-GO key is in
the vehicle.
Option 1: there is a KEYLESS-GO key in the
vehicle and a KEYLESS-GO key outside the
vehicle. If you leave the KEYLESS-GO key
behind when you get out and lock the
vehicle, a message does not appear in the
multifunction display.
Option 2: there is a KEYLESS-GO key in the
vehicle but no KEYLESS-GO key outside the
vehicle. When you get out and try to lock
the vehicle, the Key Detected in Vehicle message appears in the
multifunction display .The vehicle is not
locked in this case.
When starting the engine and while driving,
KEYLESS-GO also checksw hether a valid key76
SmartKeyOpening and closing

is in the vehicle by periodically establishing
radio contact.
X
To unlock the vehicle: pull the door
handle.
X To lock the vehicle: touch sensor
surface :.
If you pull on the handle of the trunk lid, only
the trunk of the vehicle is unlocked. Changing the settings of the locking
system
You can change the settings of the locking
system in such a way that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
X To change the setting: press the%
and & buttons until the battery check
lamp ( Ypage 78) flashes twice.
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' sdoor :pull the door
handle on the driver's door.
X To unlock centrally: pull the door handle
on the front-passenger door.
X To lock centrally: touch the outer sensor
surface on one of the door handles. Restoring the factory settings
X Press the %and& buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice. Mechanical key
General notes 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 70).
There are several ways to tur noff the alarm:
X To stop the alarm with the SmartKey:
press the %or& button on the
SmartKey.
or
X Insert the SmartKey into the ignition lock.
or
X To stop 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. SmartKey
77Opening and closing Z

Removing the 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 It is advisable to have batteries replaced at a
qualified specialist workshop, e.g. at an
authorized Mercedes-Benz Center. G
WARNING
Batteries contain toxic and caustic
substances. For this reason, keep batteries
out of the reach of children.
If a battery has bee nswallowed, seek medical
help immediately. G
WARNING
The SmartKey batteries contain perchlorate
material, which may requir especial handling
and regard for the environment. Observe
government disposal guidelines. California
residents, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm. Checking the battery X
Press the &or% button.
The key battery is working properly if
battery chec klamp :lights up briefly.
If battery check lamp :does no tlight up
briefly during the test, the key battery is
discharged.
X Changing the key battery (Y page 78).
i Consult any authorized Mercedes-Benz
Service Center for a key battery.
i If the key battery is tested within the
signal range of the vehicle, the vehicle is
opened or closed by pressing the &or
% button respectively.
Replacing the battery You require a CR 2025 3 V cell battery.
X
Take the mechanical key out of the
SmartKey (Y page 77). X
Press mechanical key ;into the opening
in the SmartKey in the direction of the 78
SmartKeyOpening and closing

arrow until battery tray cover
:opens. Do
no th old the cover closed while doing so. X
Remove the cover of the battery tray.
X Repeatedly tap the SmartKey against your
palm until battery =falls out.
X Insert the new battery with the positive
pole facing upwards. Use alint-free cloth to
do so.
X Make sure that the battery surface is free
of lint, grease, or other dirt.
X Insert the front tabs of the battery tray's
cover first and then press to close it.
X Replace the mechanical key in the
SmartKey.
X Check the function of all SmartKey buttons
on the vehicle. SmartKey
79Opening and closing Z