light MERCEDES-BENZ CL-Class 2012 C216 Service Manual

Problems with the seat heating
The seat heating has switched itself off
prematurely. The vehicle's electrical system
voltage is too low because too many electrical
consumers are switched on.
XSwitch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting.
Switching the seat ventilation on/off
Switching on/off
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
i If the battery voltage is too low, the seat
ventilation may switch off.
XMake sure that the SmartKey is in position
2 in the ignition lock.XTo switch on: press button : repeatedly
until the desired ventilation level is set.
i You can open the side windows and the
sliding sunroof using the "Convenience
opening" feature ( Y page 87). The seat
ventilation of the driver's seat
automatically switches to the highest level.
XTo switch off: press button : repeatedly
until all the indicator lamps go out.Problems with the seat ventilation
The seat ventilation has switched off
prematurely. The vehicle's electrical system
voltage is too low because too many electrical
consumers are switched on.
XSwitch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting.
Steering wheel
Important safety notes
GWARNING
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving
could cause the driver to lose control of the
vehicle.
The electrical steering wheel adjustment
feature can be operated at any time.
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.
Adjusting the steering wheel
:To adjust the steering wheel position
(fore-and-aft adjustment);To adjust the steering wheel height98Steering wheelSeats, steering wheel and mirrors

iOther topics:
R EASY-ENTRY/EXIT feature
( Y page 99)
R storing settings ( Y page 102)
R operating the on-board computer
( Y page 331)
Steering wheel heating
Switching on/off
The steering-wheel heating heats the leather
areas of the steering wheel.
XMake sure that the SmartKey is in position
2 in the ignition lock.XTo switch on/off: turn the lever in the
direction of arrow : or ;.
Indicator lamp = lights up or goes out.
Vehicles without KEYLESS-GO: when you
remove the SmartKey from the ignition lock,
the steering wheel heating is deactivated.
Vehicles with KEYLESS-GO: when you switch
off the ignition and open the driver's door, the
steering wheel heating is deactivated.
i The steering wheel heating is deactivated
when the temperature in the vehicle
interior is higher than 86 ‡ (30 †).
i The steering wheel heating is switched off
automatically after about 24 minutes.
EASY-ENTRY/EXIT system
Important safety notes
The EASY-ENTRY/EXIT feature makes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature using COMAND
( Y page 232).
GWARNING
You must make sure no one can become
trapped or injured by the moving steering
wheel and driver's seat when the EASY-
ENTRY/EXIT feature is activated.
To stop steering wheel and seat movement,
do one of the following:
R move the seat adjustment switch.
R move the steering column adjustment
switch.
R press one of the memory function position
buttons or memory button M.
Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Children could open the driver's door and
unintentionally activate the EASY-ENTRY/
EXIT feature. This could result in an accident
and/or serious personal injury.
GWARNING
Let the system complete the adjustment
procedure before setting the vehicle in
motion. All steering wheel adjustment must
be completed before setting the vehicle in
motion. Driving off with the steering wheel
still adjusting could cause the driver to lose
control of the vehicle.
! Do not activate the EASY-ENTRY/EXIT
feature, if the seat backrest is reclined too
far backwards. This can damage the front
or rear seats. You must first move the
backrest to a vertical position.
Steering wheel99Seats, steering wheel and mirrorsZ

Position of the steering wheel and the
driver's seat when the EASY-ENTRY/
EXIT feature is active
The steering wheel tilts upwards and the
driver's seat moves backwards if you:
R remove the SmartKey from the ignition lock
R open the driver's door when the SmartKey
is in the ignition lock or KEYLESS-GO is in
position 1
i The steering wheel only moves upwards if
it has not already reached the upper end
stop. The driver's seat only moves
backwards if it is not already in the
rearmost position.
Position of the steering wheel and the
driver's seat for driving
If you insert the SmartKey into the ignition
lock with the driver's door closed, depending
on the setting, the position of the steering
wheel and the driver's seat will be changed to
the previously set position.
The last position of the steering wheel or seat
is stored if:
R the ignition is switched off or
R the setting is stored with the memory
function.
Crash-responsive EASY-EXIT feature
If the crash-responsive EASY-EXIT feature is
triggered in an accident, the steering column
will move upwards when the driver's door is
opened. This occurs irrespective of the
position of the SmartKey in the ignition lock.
This makes it easier to exit the vehicle and
rescue the occupants.
The crash-responsive EASY-EXIT feature is
only operational if the EASY-EXIT/ENTRY
feature is activated in the on-board computer.
Mirrors
Exterior mirrors
Adjusting the exterior mirrors
GWARNING
Exercise care when using the passenger-side
exterior rear view mirror. The mirror surface
is convex (outwardly curved surface for a
wider field of view). Objects in mirror are
closer than they appear. Check your interior
rear view mirror and glance over your
shoulder before changing lanes.
The exterior mirrors are automatically heated
if the rear window defroster is switched on
and the outside temperature is low.
XMake sure that the SmartKey is in position
1 or 2 in the ignition lock.XPress button ; for the right-hand exterior
mirror or button = for the left-hand
exterior mirror.
The indicator lamp lights up in the button
that has been pressed.XPress adjustment button : up, down, to
the right or to the left until the exterior
mirror is set to a position that provides you
with a good overview of traffic conditions.100MirrorsSeats, steering wheel and mirrors

Folding the exterior mirrors in or out
electricallyXMake sure that the SmartKey is in position
1 or 2 in the ignition lock.XBriefly press button :.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while the vehicle is
in motion, as they may otherwise vibrate.
Folding the exterior mirrors in or out
automatically
When the "Automatic mirror folding" function
is activated in COMAND ( Y page 232):
R the exterior mirrors fold in automatically as
soon as you lock the vehicle from the
outside.
R the exterior mirrors fold out again
automatically as soon as you unlock the
vehicle and then open the driver's or front-
passenger door.
i The mirrors do not fold out if they have
been folded in manually.
Exterior mirror out of position
If an exterior mirror has been pushed out of
position, proceed as follows:
XPress the mirror-folding button
( Y page 101) repeatedly until you hear the
mirrors engage in position.
The mirror housing is engaged again and
you can adjust the exterior mirrors as usual
( Y page 100).
Automatic anti-glare mirrors
GWARNING
If incident light from headlamps is prevented
from striking the sensor in the rear-view
mirror, for instance, by luggage piled too high
in the vehicle, the mirror's automatic anti-
glare function will not operate.
Incident light could then blind you. This may
distract you from the traffic conditions and,
as a result, you may cause an accident.
The rear-view mirror and the exterior mirror
on the driver's side automatically go into anti-
glare mode if the ignition is switched on and
incident light from headlamps strikes the
sensor in the rear-view mirror.
The mirrors do not go into anti-glare mode if
reverse gear is engaged or the interior lighting
is switched on.
Parking position for the exterior
mirror on the front-passenger side
Setting and storing the parking position
You can position the front-passenger side
exterior mirror in such a way that you can see
the rear wheel on that side as soon as you
engage reverse gear. You can store this
position.
Mirrors101Seats, steering wheel and mirrorsZ

NaviAudioTelephoneVideoVehicleModeFM/AM radioVideo DVDECOMap orientationSat radioAUXMulticontour
seat/lumbar
settingsPoint of interest
symbols on the mapDiscVideo offRear window
blindTraffic symbols on the
mapMemory cardEASY-ENTRY/
EXIT systemText information on
mapMUSIC
REGISTERExterior
lighting
delayed
switch-offO Topographical
mapMedia
InterfaceInterior
lighting
delayed
switch-offO City viewUSBAmbient
lightingO Freeway
informationAUXO Automatic
mirror fold-in
functionO Volume reductionAudio offO Locator
lightingSIRIUS serviceO Automatic
lockingMap versionO Interior
motion sensorO Tow-away
alarmO Trunk lid
opening height
restrictionSPLITVIEW
SPLITVIEW allows you to simultaneously use
different COMAND functions on the front-
passenger side and on the driver's side.
Depending on the viewing angle of the display
(from the driver's seat or from the front-
passenger seat), you will see two different
displays.112At a glanceCOMAND

switch SPLITVIEW on and off
( Y page 115).
The SPLITVIEW screen remains on for
approximately 30 minutes after the SmartKey
has been turned to position 0 in the ignition
lock. After this time or after the SmartKey has
been removed, the settings on the front-
passenger side are saved for approximately
30 minutes longer. After this period,
reactivation on the front-passenger side
means that the settings from the driver's side
will be used.
Swiveling the COMAND display and
setting the brightness
You can swivel the COMAND display 4
. The
buttons are located beside the COMAND
display.
Swiveling
:To swivel the display to the left;To swivel the display to the rightSetting the brightness:Brightness of the instrument cluster
lighting;Brightness of the COMAND display
Brighter or dimmer:
XTurn control : or ; clockwise or counter-
clockwise.
i If Night View Assist Plus is activated, only
the brightness of the multifunction display
is adjusted with control :.
Display design
When the default settings are selected, the
display automatically switches between day
design and night design.
You can change these settings using
COMAND ( Y page 127).
Cleaning instructions
! Do not touch the COMAND display. The
display has a very sensitive high-gloss
surface; there is a risk of scratching. If you
have to clean the screen, however, use a
mild cleaning agent and a soft, lint-free
cloth.
The display must be switched off and have
cooled down before you start cleaning. Clean
the display screen, when necessary, with a
commercially available microfiber cloth and
cleaning agent for TFT/LCD displays. Then,
dry the surface with a dry microfiber cloth.
4 Not with SPLITVIEW.114At a glanceCOMAND

Avoid using alcoholic thinners, gasoline or
abrasive cleaning agents. These could
damage the display surface. Do not apply
pressure to the display surface when cleaning
it, as this could cause irreversible damage.
Remote control
Overview
You can use the remote control to operate the
COMAND display and SPLITVIEW.
:To switch the screen on/off (SPLITVIEW
only);To switch the button lighting on/off=To select the screen for remote control
operation ( COMAND or SPLITVIEW can
be selected)?To select a menu or menu itemATo confirm a selection or settingBMuteCTo adjust the volumeDTo set the station, skip track, fast
forward/rewind, for exampleETo select a station from presets, select a
track, enter directly, enter a phone
number, for example.FTo exit a menu (back)XPoint the remote control at the
corresponding screen and execute the
functions by pressing the corresponding
buttons.
i The remote control's function may be
restricted depending on the angle at which
it is pointed at the respective screen.
Selecting the screen for the remote
control
XTurn thumbwheel = until the desired
display is highlighted in the window.
Switching the button lighting on/off
XPress button ; on the remote control.
Depending on the previous status, the
button lighting is switched on or off.
i If you do not use the remote control for
about 15 seconds, the button lighting
switches off automatically.
Mute
XPress button B on the remote control.
The sound is switched on/off.
Adjusting the volume
XPress one of buttons C on the remote
control.
The volume of the currently selected audio
or video source changes.
For COMAND, you can also adjust the
volume for phone calls and navigation
messages.At a glance115COMANDZ

You can enter the characters using either the
character bar or the number keypad. In the
selection list, you select an entry to copy it to
the address entry menu.
Option 1: city list with character barXCall up the city list with character bar
( Y page 137).
The alphabetically sorted city list shows the
first available entries.
Entering characters using the character
bar
XSelect N by turning COMAND controller
cVd and confirm with W.:N character entered by user;ANTICOKE characters automatically
added by COMAND=List entry that most closely resembles the
current entry by the user?To switch to the selection listATo delete an entryBCharacters not currently availableCCharacters currently availableDCurrently selected characterECharacter barFTo cancel an entryGList
The list G shows all available town names
beginning with N. The list entry that is best
suited to previous user entries is always
highlighted in the first position =,
NANTICOKE in the example.
All characters that have been entered are
displayed in black, the letter N in the
example :. The letters that are added
automatically by COMAND are displayed in
gray ;, ANTICOKE in the example.
Character bar E shows the letters still
available for selection in black C. These can
be selected; in the example, the letter O is
highlighted D. Which characters remain
available depends on the characters already
entered by the user and on the data stored in
the digital map. Characters that are no longer
available are shown in gray B.
XSelect E, W , space, Y in order and confirm
each with W.
Entering characters using the number
keypad
XPress the telephone keypad's number key
p twice in quick succession, to enter
the letter N.
The character appears at the bottom of the
display when the key is pressed. The first
available letter is highlighted.120At a glanceCOMAND

You see which characters you can enter with
that key. Each time the key is pressed, the
next character is selected.
Example: key p:
R press once = M
R press twice = N
R press three times = OXWait until the character display goes out.
The entries matching your input are shown
in the list.XEnter E, W , space, Y with the corresponding
keys.
i The space is entered using number key
9 .
Further functions in the list with
character bar
XTo delete characters: select F by sliding
V Æ and turning cVd the COMAND
controller and press W to confirm.XTo delete an entry: select F and press
and hold W the COMAND controller until
the entire entry has been deleted.XTo switch the character set: select
B and press W to confirm.XTo cancel an entry: select the & symbol
in the bottom left of the character bar and
press W to confirm.
or
XPress the % back button.
The address entry menu appears.XTo accept the first list entry: press and
hold W the COMAND controller until the
address entry menu appears.
The accepted list entry is shown there.
Calling up the list as a selection list
Select the desired city from the selection list.
If there are several entries for a city or if
several cities of the same name are stored,
then ¬ is highlighted in the character bar.
XPress W the COMAND controller.It is also possible to switch the city list to the
selection list at any time during character
input.XSlide W the COMAND controller
repeatedly until the city list appears as a
selection list.
or
XSelect ¬ in the character bar by turning
cVd the COMAND controller and press
W to confirm.
Option 2: city list as selection list
COMAND either shows the selection list
automatically or you can call up the selection
list from the list with character bar.
The example shows the selection list after the
city NEW YORK has been entered. The entry is
highlighted automatically.
XConfirm NEW YORK with COMAND
controller W.
The address entry menu appears. You can
now enter a street, for example.At a glance121COMANDZ

DesignExplanationDay ModeThe display is set
permanently to day
design.Night ModeThe display is set
permanently to night
design.AutomaticThe display design
changes depending on
the brightness around
the vehicle.
i In the Automatic setting, COMAND
evaluates the readings from the automatic
vehicle light sensor and switches between
the display designs automatically.
Time settings
General information
If COMAND is equipped with a navigation
system and has GPS reception, COMAND
automatically sets the time and date. You can
also adjust the time yourself in 30-minute
increments, but the date cannot be changed.
i If you set the time in 30-minute
increments, any time zone settings and
settings for changing between summer and
standard time are lost ( Y page 129).
i The following navigation system functions
require the time, time zone and summer/
standard time to be set correctly in order
to work properly:
R route guidance on routes with time-
dependent traffic guidance
R calculation of expected time of arrival
Setting the timeXSelect Vehicle in the main function bar by
turning cVd the COMAND controller and
press W to confirm.XSelect System by turning cVd the
COMAND controller and press W to
confirm.XSelect Time by turning cVd the COMAND
controller and press W to confirm.XSelect Time and press W to confirm.:Setting the time;Current date (set automatically by
COMAND)XSet the time by turning cVd the COMAND
controller and press W to confirm.
Setting the time/date format
XSelect Vehicle in the main function bar by
turning cVd the COMAND controller and
press W to confirm.XSelect System by turning cVd the
COMAND controller and press W to
confirm.XSelect Time by turning cVd the COMAND
controller and press W to confirm.XSelect Format and press W to confirm.
The # symbols show the current settings.128System settingsCOMAND