Climate control system
Control panel
Automatic climate control
FunctionRecommendation/Notes1Air distribution
display, driver’s side
2Front defrosteriKeep this setting selected only until the
windshield or the side windows are clear
again.
(Y page 153)3Air recirculationiOnly use this function for a short time,
e.g. in a tunnel. Otherwise, the windows
can fog up due to lack of fresh air.
(Y page 154)4Rear window
defroster
(Y page 155)5Air distribution
display, passenger
side
6Air distribution,
passenger side
(Y page 153)7Temperature control,
passenger side
iSet the temperature to 72‡ (22†).(Y page 151)8AC cooling on/offiSwitch on/off the air conditioning.(Y page 150)Residual heat/
ventilation
iWith the engine turned off, it is possible
to continue to heat or ventilate the interior.
(Y page 154)9Climate control on/
off
iSwitch on/off the climate control
system.
(Y page 149)aAir volume control(Y page 153)148Climate control systemControls in detail
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Adjusting air distribution
The air distribution can be adjusted
separately on each side of the passenger
compartment with buttons 0056.
The symbols on the controls represent the
following functions:SymbolFunction0063Directs air through the
defroster air vents to the
windshield and door windows009EDirects air through the center
and side air vents009DDirects air to the footwells009CDirects air through the center,
side air vents and to the
footwells0088Directs air through the
defroster air vents to the
windshield, door windows and
footwellsXPress one button 0056 until the desired
setting for the respective side of the
passenger compartment appears in air
distribution display 0046 or 0086 (Y page 148).
Adjusting air volume
XDecreasing/increasing: Turn air volume
control 0071 (Y page 148) clockwise or
counterclockwise.
Front defroster
You can use this setting to defrost the
windshield, for example if it is iced up.
You can also defog the windshield and the
door windows.
i Keep this setting selected only until the
windshield or the door windows are clear
again.XActivating: Press button 0066.
The indicator lamp in the button comes on.
The climate control switches to the following
functions automatically:
R cooling on to dehumidify
R most efficient blower speed and heating
power, depending on outside temperature
R air flows onto the windshield and the door
windows
R the air recirculation mode is switched off
XDeactivating: Press button 0066 again.
The indicator lamp in the button goes out.
The previous settings are once again in
effect. The cooling remains switched on.
The air recirculation remains switched off.
or
XPress button 005A.
The indicator lamp in button 0066 goes out.
Air volume and air distribution are adjusted
automatically.
or
XTurn temperature controls 006E and 0073
( Y page 148) clockwise or
counterclockwise.
or
XTurn air volume control 0071 (Y page 148)
clockwise or counterclockwise.
Windshield fogged on the outside
XSwitch the windshield wipers on
( Y page 95).XPress one button 0056 until the setting
009E , 009C or 009D appears in air
distribution display 0046 or 0086 (Y page 148).
Maximum cooling MAX COOL
MAX COOL is only available in U.S. vehicles.
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The residual heat is deactivated
automatically:
R when the ignition is switched on
R after approximately 30 minutes
R if the battery voltage drops
Rear window defroster
GWarning!
Any accumulation of snow and ice should be
removed from the rear window before driving.
Visibility could otherwise be impaired,
endangering you and others.
The rear window defroster uses a large
amount of power. To keep the battery drain
to a minimum, switch off the defroster as
soon as the rear window is clear. The
defroster is switched off automatically after
some time of operation depending on the
outside temperature.
XSwitch on the ignition.XSwitching on: Press button 006E.
The indicator lamp in the button comes on.
! The rear window defroster cannot be
switched on when the retractable hardtop
is open. The indicator lamp will start
flashing if the hardtop is open.
R Close the retractable hardtop.
The rear window defroster can then be
switched on.
XSwitching off: Press button 006E again.
The rear window defroster switches off when
the battery voltage is too low. The indicator
lamp in button 006E flashes. Too many
electrical consumers may be operating
simultaneously.
XSwitch off consumers that are currently not
needed if required.Retractable hardtop
Safety notes
For safety reasons, the retractable hardtop
can only be opened and closed when the
vehicle is standing still.
GObserve Safety notes, see page 51.GWarning!
To prevent possible accidents, only drive the
vehicle with the retractable hardtop either
completely closed and locked, or fully lowered
into its storage compartment.
If the retractable hardtop does not completely
open or close, the roof hydraulics will lose
pressure and the retractable hardtop is
lowered
R after approximately 7 minutes when the
ignition is switched on
R after approximately 15 seconds when the
ignition is switched off
Shortly before the retractable hardtop is
lowered, a warning will sound. In the
multifunction display you will see 0059 and
the message Retractable Roof Lowering .
Properly lock the retractable hardtop before
continuing to drive. Otherwise, the unlocked
hardtop could open while the vehicle is in
motion and cause you to lose control of the
vehicle. You or others could be injured as a
result.
GWarning!
Before operating the retractable hardtop,
make sure there is no danger of anyone being
injured by the moving parts (retractable
hardtop, roof frame, and trunk lid).
Hands must never be placed near the roof
frame, upper windshield area, hardtop, shelf
behind roll bars, or trunk lid while the
retractable hardtop is being raised or
lowered. Serious personal injury may occur.
If potential danger exists, release the
retractable hardtop switch or button 0036 or
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XClose the luggage cover (Y page 158).XClose the trunk lid.XAim the transmitter eye at an outside door
handle.
The SmartKey must be in close proximity to
the outside door handle.
Opening (Summer opening feature)
i Make sure the retractable hardtop is dry
before you open it. Otherwise water may
enter the trunk interior.
XPress and hold button 0036 until the
retractable hardtop is completely open.
The seat ventilation for the driver’s seat
switches on and the rear side windows also
open.XRelease button 0036 to interrupt the
opening procedure.XPress and hold button 0036 once more to
open the door windows.
Closing (Convenience closing feature)
XPress and hold button 0037 until the
retractable hardtop is completely closed.
All currently open windows also close.XRelease button 0037 to interrupt the
closing procedure.
Locking
GObserve Safety notes, see page 155.
The retractable hardtop is not fully closed and
locked or not fully opened and locked if
R the message 0059 Retractable Roof
In Operation appears in the
multifunction display
R a warning sounds for 10 seconds when
driving off or while driving
If the retractable hardtop is not properly
locked, lock it as follows.
Unlocked status noticed when stoppedXSwitch on the ignition.XTo lock the retractable hardtop in its fully
closed position, press down on the
retractable hardtop switch ( Y page 156)
until the retractable hardtop is fully closed.
or
XTo lock the retractable hardtop in its fully
opened position, pull up on the retractable
hardtop switch ( Y page 156) until the
retractable hardtop is fully opened.
Unlocked status noticed while driving
GWarning!
Stop the vehicle in a safe location or as soon
as it is safe to do so and lock the retractable
hardtop before continuing to drive. You could
otherwise endanger yourself and others.
XStop the vehicle in a safe location or as
soon as it is safe to do so.XLeave the ignition switched on.XTo lock the retractable hardtop in its fully
closed position, press down on the
retractable hardtop switch ( Y page 156)
until the retractable hardtop is fully closed.
or
XTo lock the retractable hardtop in its fully
opened position, pull up on the retractable
hardtop switch ( Y page 156) until the
retractable hardtop is fully opened.
Wind screen
GWarning!
The wind screen can restrict the driver’s
vision to the rear of the vehicle. To prevent a
possible accident when visibility is limited
(e.g. in darkness), the upper part of the wind
screen should be folded back.
The wind screen deflects drafts away from the
driver and passenger when the retractable
hardtop is lowered.
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Tele Aid
! In order to activate the Tele Aid system, a
subscriber agreement must be completed.
To ensure your system is activated and
operational, please press Information
button 005D to perform the acquaintance
call. Failure to complete either of these
steps may result in a system that is not
activated.
If you have any questions regarding
activation, please call the Customer
Assistance Center at
1-800-FOR-MERCedes (1-800-367-6372)
(USA only) or 1-888-923-8367 (Canada
only).
Shortly after the completion of your Tele Aid
acquaintance call, you will receive a user ID
and password in the mail. You may use this
password to access the Tele Aid section in
“Owner’s Online” at www.mbusa.com (USA
only). The “My Tele Aid” section will give you
access to account information, remote door
unlock and more.
The Tele Aid system is available if
R it has been activated and is operational.
Activation requires a subscription for
monitoring services, connection and
cellular air time
R vehicle battery power is available
R the relevant cellular phone network and
GPS signals are available and pass the
information on to the Customer Assistance
Center
i Location of the vehicle on a map is only
possible if the vehicle is able to receive
signals from the GPS satellite network and
pass the information on to the Customer
Assistance Center.
The Tele Aid system
(Telematic Alarm Identification on Demand)
The Tele Aid system consists of three types
of response:
R Automatic and manual emergency
R Roadside Assistance
R Information
To adjust the speaker volume during a Tele
Aid call do the following:XPress button 005A or 005B on the
multifunction steering wheel.
or
XUse the adjustment button on your
COMAND system.
Be sure to check “Owner’s Online” at
www.mbusa.com (USA only) for more
information and a description of all available
features.
System self-test
The system performs a self-test after you
have switched on the ignition.
GWarning!
A malfunction in the system has been
detected if any or all of the following
conditions occur:
R The indicator lamp in the SOS button does
not come on during the system self-test.
R The indicator lamp in Roadside Assistance
button 00A1 does not come on during the
system self-test.
R The indicator lamp in Information button
005D does not come on during the system
self-test.
R The indicator lamp in the SOS button,
Roadside Assistance button 00A1, or
Information button 005D remains
illuminated constantly in red after the
system self-test.
R The message Tele Aid Inoperative
appears in the multifunction display after
the system self-test.
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If a malfunction is indicated as outlined above,
the system may not operate as expected. In
case of an emergency, help will have to be
summoned by other means.
Have the system checked at the nearest
Mercedes-Benz Center or contact the
Customer Assistance Center at
1-800-FOR-MERCedes (1-800-367-6372)
(USA only) or 1-888-923-8367 (Canada only)
as soon as possible.
Emergency calls
! In order to activate the Tele Aid system, a
subscriber agreement must be completed.
To ensure your system is activated and
operational, please press Information
button \000] to perform the acquaintance
call. Failure to complete either of these
steps may result in a system that is not
activated.
If you have any questions regarding
activation, please call the Customer
Assistance Center at
1-800-FOR-MERCedes (1-800-367-6372)
(USA only) or 1-888-923-8367 (Canada
only).
An emergency call is initiated automatically
following an accident in which the Emergency
Tensioning Devices (ETDs) or air bags have
deployed.
i An automatically initiated Tele Aid
emergency call cannot be canceled.
An emergency call can also be initiated
manually (Y page 168).
Once the emergency call is in progress, the
indicator lamp in the SOS button will begin to
flash. The message Connecting Call
appears in the multifunction display and the
COMAND system is muted. When the
connection is established, the message
Call Connected appears in the
multifunction display.
All information relevant to the emergency,
such as the location of the vehicle
(determined by the GPS satellite location
system), vehicle model, identification number
and color are generated.
A voice connection between the Customer
Assistance Center and the occupants of the
vehicle will be established automatically soon
after the emergency call has been initiated.
The Customer Assistance Center will attempt
to determine the nature of the emergency
more precisely, provided they can speak to
an occupant of the vehicle.
iIf no vehicle occupant responds, an
ambulance will be sent to the vehicle
immediately.
GWarning!
If the indicator lamp in the SOS button is
flashing continuously and there was no voice
connection to the Customer Assistance
Center established, then the Tele Aid system
could not initiate an emergency call (e.g. the
relevant cellular phone network is not
available).
The message Call Failed appears in the
multifunction display for approximately
10 seconds.
Should this occur, assistance must be
summoned by other means.
iThe “911” emergency call system is a
public service. Using it without due cause
is a criminal offense.
Initiating an emergency call manually
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XBriefly press on cover \000F to open.XPress SOS button \000G briefly.
The indicator lamp in SOS button \000G will
flash until the emergency call is concluded.
XWait for a voice connection to the
Customer Assistance Center.
XClose cover \000F after the emergency call is
concluded.
GWarning!
If you feel at any way in jeopardy when in the
vehicle (e.g. smoke or fire in the vehicle,
vehicle in a dangerous road location), please
do not wait for voice contact after you have
pressed the emergency button. Carefully
leave the vehicle and move to a safe location.
The Customer Assistance Center will
automatically contact local emergency
officials with the vehicle’s approximate
location if they receive an automatic SOS
signal and cannot make voice contact with the
vehicle occupants.
XTerminating calls: Press button \000 on
the multifunction steering wheel.
or
XPress the respective button for ending a
telephone call on the COMAND system.
Roadside Assistance button
XOpen the storage compartment under the
armrest (Y page 162).
XPress and hold Roadside Assistance
button \000F for longer than 2 seconds.
A call to a Mercedes-Benz Roadside
Assistance dispatcher will be initiated. The
indicator lamp in Roadside Assistance
button \000F will flash while the call is in
progress. The message Connecting
Call will appear in the multifunction
display and the COMAND system is muted.
When the connection is established, the
message Call Connected appears in the
multifunction display. The Tele Aid system will
transmit data generating the vehicle
identification number, model, color and
location (subject to availability of cellular and
GPS signals).
i The COMAND system display indicates
that a Tele Aid call is in progress. While the
call is connected you can change to the
navigation menu by pressing the NAVI
button on the COMAND system. Spoken
commands are not available.
A voice connection between the Roadside
Assistance dispatcher and the occupants of
the vehicle will be established.
XDescribe the nature of the need for
assistance.
The Mercedes-Benz Roadside Assistance
dispatcher will either dispatch a qualified
Mercedes-Benz technician or arrange to tow
your vehicle to the nearest authorized
Mercedes-Benz Center. For services such as
labor and/or towing, charges may apply.
Refer to the Roadside Assistance manual for
more information.
Sign and Drive services (USA only):
Services such as a jump start, a few gallons
of fuel or the replacement of a flat tire with
the vehicle spare wheel are obtainable at no
charge.
iIf the indicator lamp in Roadside
Assistance button \000F is flashing
continuously and there was no voice
connection to the Customer Assistance
Center established, then the Tele Aid
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system could not initiate a Roadside
Assistance call (e.g. the relevant cellular
phone network is not available). The
message Call Failed appears in the
multifunction display.
XTerminating calls: Press button \000 on
the multifunction steering wheel.
or
XPress the respective button for ending a
telephone call on the COMAND system.
Information button
XOpen the storage compartment under the
armrest (Y page 162).
XPress and hold Information button \000F for
longer than 2 seconds.
A call to the Customer Assistance Center
will be initiated. The indicator lamp in
Information button \000F will flash while the
call is in progress. The message
Connecting Call will appear in the
multifunction display and the COMAND
system is muted.
When the connection is established, the
message Call Connected appears in the
multifunction display. The Tele Aid system will
transmit data generating the vehicle
identification number, model, color and
location (subject to availability of cellular and
GPS signals).
i The COMAND system display indicates
that a Tele Aid call is in progress. While the
call is connected you can change to the
navigation menu by pressing the NAVI
button on the COMAND system. Spoken
commands are not available.
A voice connection between the Customer
Assistance Center representative and the
occupants of the vehicle will be established.
Information regarding the operation of your
vehicle, the nearest authorized Mercedes-
Benz Center or Mercedes-Benz USA products
and services is available to you.
For more details concerning the Tele Aid
system, please visit www.mbusa.com (USA
only), log in to “Owner’s Online” and visit the
“My Tele Aid” section to learn more.
iIf the indicator lamp in Information
button \000F is flashing continuously and
there was no voice connection to the
Customer Assistance Center established,
then the Tele Aid system could not initiate
an Information call (e.g. the relevant
cellular phone network is not available).
The message Call Failed appears in the
multifunction display.
XTerminating calls: Press button \000 on
the multifunction steering wheel.
or
XPress the respective button for ending a
telephone call on the COMAND system.
Call priority
If other service calls such as a Roadside
Assistance call or Information call are active,
an emergency call is still possible. In this
case, the emergency call will take priority and
override all other active calls.
The indicator lamp in the respective button
flashes until the call is concluded. Automatic
initiated emergency calls can only be
terminated by a Customer Assistance Center
representative. All other calls can be
terminated by pressing button \000 on the
multifunction steering wheel or the
respective button for ending a telephone call
on the COMAND system.
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