key MERCEDES-BENZ CLS 2014 Service Manual

You can adjust the contour of the front seat
backrestsindividually to provide optimum
support for your back.
Switchingtheseat heating on/off
Activating/deactivating
GWARNING
Repeatedly switching on the seat heatingcan
cause the seat cushionand backrestpads to
become veryhot.The health of persons with
limited temperature sensitivity oralimited
ability to react to excessively high
temperatures may be affected or they may
even suffer burn-like injuries. There isarisk
of injury.
Therefore, do not switch the seat heating on
repeatedly.
Driver's and front-passenger seat
The three red indicator lamps in the button
indicate the heating level you have selected.
The system automatically switches down
from level3to level2after approximately
eight minutes.
The system automatically switches down
from level2to level1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level1.
XTurn the SmartKey to position1or2in the
ignition lock (Ypage 147).
XTo switch on:press buttonrepeatedly
until the desired heating level is set.
XTo switch off:press buttonrepeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
heating may switch off.
104Seats
Seats, steering whee la nd mirrors

Problems with the seat heating
ProblemPossible causes/consequences andSolutions
The seat heating has
switched off
prematurely or cannot
be switched on.
The on-board voltage is too low because too many electrical
consumers are switched on.
XSwitch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating will
switch back on automatically.
Switching the seat ventilation on/off
Activating/deactivating
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
XTo switch on:press buttonrepeatedly
until the desired ventilation level is set.
XTo switch off:press buttonrepeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
ventilation may switch off.
iYou can open the side windows and the
sliding sunroof using the "Convenience
opening" feature (Ypage 89). The seat
ventilation of the driver's seat
automatically switches to the highest level.
Seats105
Seats, steering whee la nd mirrors
Z

Problems with the seat ventilation
ProblemPossible causes/consequences andSolutions
The seat ventilation has
switched off
prematurely or cannot
be switched on.
The on-board voltage is too low because too many electrical
consumers are switched on.
XSwitch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat ventilation will
switch back on automatically.
Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you
do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There isarisk of an accident.
Adjust the driver's seat, head restraint,
steering wheel and mirror and fasten your
seat belt before startingthe engine.
GWARNING
Children could injure themselves if they
adjust the steering wheel. There isarisk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
Adjusting the steering wheel
electrically
To adjust the steering wheel height
To adjust the steering wheel position
(fore-and-aft adjustment)
iFurther related subjects:
REASY-ENTRY/EXIT feature
(Ypage 108)
RStoring settings (Ypage 112)
106Steering wheel
Seats, steering whee la nd mirrors

Steering wheel heating
Activating/deactivating
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
XTo switch on/off:turn the lever in the
direction of arrowor.
Indicator lamp$lights up or goes out.
Vehicles without KEYLESS-GO: when you
remove the SmartKey from the ignition lock,
the steering wheel heating is deactivated.
Vehicles with KEYLESS-GO: when you switch
off the ignition and open the driver's door, the
steering wheel heating is deactivated.
iThe steering wheel heating may switch off
temporarily if:
Rthe temperature in the vehicle interior is
above 86‡(30 †).
Rthe temperature of the steering wheel is
above 95‡(35 †).
Indicator lamp$remains on.
Steering wheel107
Seats, steering whee la nd mirrors
Z

Problems with the steering wheel heating
ProblemPossible causes/consequences andSolutions
If the steering wheel
heating indicator lamp
is flashing, the steering
wheel heating has
switched off
automatically.
The on-board voltage is too low because too many electrical
consumers are switched on.
XSwitch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the steering wheel
heating will switch back on automatically.
EASY-ENTRY/EXIT feature
Important safety notes
GWARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants–particularly children–could
become trapped. There isarisk of injury.
While the EASY-ENTRY/EXIT feature is
making adjustments, make sure that no one
has any body parts in the sweep of the
steering wheel.
If somebody becomes trapped:
Rpress one of the memory function position
buttons, or
Rmove the switch for steering wheel
adjustmentinthe opposite direction to that
in which the steering wheel is moving.
The adjustment process is stopped.
GWARNING
If children activate the EASY-ENTRY/EXIT
feature, they can become trapped,
particularly when unattended. There isarisk
of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
GWARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There isarisk of an
accident.
Always wait until the adjustment process is
complete before driving off.
The EASY-ENTRY/EXITfeature makes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board
computer (Ypage 233).
Position of the steering wheel when the
EASY-ENTRY/EXIT featureisactive
The steeringwheel swings upwards when
you:
Rremove the SmartKey from the ignition lock
Rwith KEYLESS-GO:open the driver's door;
KEYLESS-GO must be in position1in the
ignition lock
Rwith the SmartKey:open the driver's
door; the SmartKey must be in position0
or1in the ignition lock (Ypage 147)
iThe steeringwheel only moves upwards if
it has not already reached the upper end
stop.
108Steering wheel
Seats, steering wheel and mirrors

Position of the steering wheel for
driving
The steering wheel is moved to the last
selected position when:
Rthe driver's door is closed
Rwith KEYLESS-GO:you press the Start/
Stop button once on vehicles with
KEYLESS-GO
or
Rwith the SmartKey:you insert the
SmartKey into the ignition lock.
When you close the driver's door with the
ignition switched on, the steering wheel is
also automatically moved to the previously
set position.
The last position of the steering wheel is
stored when you switch off the ignition or
when you store the settingwith the memory
function (Ypage 112).
Crash-responsive EASY-EXIT feature
If the crash-responsiveEASY-EXITfeature is
triggeredinanaccident,the steeringcolumn
will moveupwards 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-responsiveEASY-EXITfeature is
only operational if the EASY-EXIT/ENTRY
feature is activated in the on-board computer.
(Ypage 233)
Mirrors
Exterior mirrors
Adjusting theexterior mirrors
GWARNING
You could lose control of your vehicle if you
do the followingwhile driving:
Radjust the driver's seat,head restraint,
steeringwheel or mirrors
Rfasten the seat belt
There isarisk of an accident.
Adjust the driver's seat, head restraint,
steeringwheel and mirror and fasten your
seat belt before starting the engine.
GWARNING
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the
distancefrom road users travelingbehind,
e.g. when changinglane. There isarisk of an
accident.
For this reason, alwaysmake sure of the
actual distancefrom the road users traveling
behind by glancingover your shoulder.
XTurn the SmartKey to position1or2in the
ignition (Ypage 147).
XPress buttonfor the left-hand exterior
mirror or buttonfor the right-hand
exterior mirror.
The indicator lamp in the corresponding
button lights up in red.
Mirrors109
Seats, steering wheel and mirrors
Z

The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustmentbutton$as long
as the indicator lamp is lit.
XPress adjustmentbutton$up, down,or
to theleft or right until you have adjusted
theexteriormirror to thecorrectposition.
You should haveagood overview of traffic
conditions.
The convex exteriormirrors providealarger
field of vision.
After the engine has been started, the
exterior mirrors are automatically heatedif
the rear window defroster is switched on and
the outside temperature is low. Heating takes
amaximum of 10 minutes.
iThe exterior mirrors can also be heated
manually by switching on the rear window
defroster.
Folding theexterior mirrorsinorout
electrically
XTurn the SmartKey to position1or2in the
ignition (Ypage 147).
XBriefly press button.
Bothexterior mirrors fold in or out.
iMake sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
iIf you are drivingfaster than 30 mp/h
(47 km/h), you can no longer fold in the
exterior mirrors.
Setting theexterior mirrors
If the battery has been disconnected or
completely discharged, the exterior mirrors
must be reset.The exterior mirrors will
otherwise not fold in when you select the
"Fold in mirrors when locking" function in the
on-board computer (Ypage 233)
XTurn the SmartKey to position1in the
ignition lock (Ypage 147).
XBriefly press button.
Folding the exterior mirrors in or out
automatically
If the "Fold in mirrors when locking" function
is activated in the on-board computer
(Ypage 233):
Rthe exterior mirrors fold in automatically as
soon as you lock the vehicle from the
outside.
Rthe exterior mirrors fold out again
automatically as soon as you unlock the
vehicle and then open the driver's or front-
passenger door.
iIf the exterior mirrors have been folded in
manually,they do not fold out.
Exterior mirror pushed out of position
If an exterior mirror has been pushed out of
position, proceed as follows:
XVehicles without electrically folding
exterior mirrors:move the exterior mirror
into the correct position manually.
XVehicles with electrically folding
exterior mirrors:press and hold mirror-
folding buttonuntil you hearaclick and
then the mirrors engage in position
(Ypage 110).
The mirror housing is engaged again and
you can adjust the exterior mirrors as usual
(Ypage 109).
110Mirrors
Seats, steering whee la nd mirrors

Automaticanti-glaremirrors
The rear-view mirror and theexteriormirror
on thedriver'sside automatically go intoanti-
glaremodeifthefollowingconditionsare met
simultaneously:
Rthe ignition is switched on and
Rincident 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 if the interior
lighting is switched on.
Parking position for the exterior
mirror on the front-passenger side
Setting and storing the parking position
Using reverse gear
Button for the driver's side exterior mirror
Button for the front-passenger side
exterior mirror
$Adjustment button
!Memory buttonM
You can position the front-passenger side
exterior mirror in suchaway that you can see
the rear wheel on that side as soon as you
engage reverse gear. You can store this
position.
XPark the vehicle and turn the SmartKey to
position2in the ignition lock
(Ypage 147).
XPress buttonfor the exterior mirror on
the front-passenger side.
XEngage reverse gear.
The exterior mirror on the front-passenger
side moves to the preset parking position.
XUse adjustmentbutton$to adjust the
exterior mirror toaposition that allows you
to see the rear wheel and the curb.
The parking position is stored.
iIf you shift the transmission to another
position, the exterior mirror on the front-
passenger side returnstothe driving
position.
Using the memorybutton
Button for the driver's side exterior mirror
Button for the front-passenger side
exterior mirror
$Adjustment button
!Memory buttonM
You can position the front-passenger side
exterior mirror in suchaway that you can see
the rear wheel on that side as soon as you
engage reverse gear. This setting can be
stored using memory buttonM!.
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
XWith the exterior mirror on the front-
passenger side activated, use adjustment
button$to adjust the exterior mirror. In
the exterior mirror, the rear wheel and the
curb should be visible.
Mirrors111
Seats, steering wheel and mirrors
Z

XPress memory buttonM!and one of the
arrows on adjustmentbutton$within
three seconds.
The parking position is stored if the exterior
mirror does not move.
XIf the exterior mirror moves out of position,
repeat the steps.
Calling upastored parking position
setting
Button for the driver's side exterior mirror
Button for the front-passenger side
exterior mirror
$Adjustmentbutton
!Memory buttonM
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
XAdjust the exterior mirror on the front-
passenger side using button.
XEngage reverse gear.
The exterior mirror on the front-passenger
side moves to the stored parking position.
The exterior mirror on the front-passenger
side moves back to its original position:
Ras soon as you exceedaspeed of9mph
(15 km/h)
Rif you press buttonfor the exterior
mirror on the driver'sside
Memoryfunction
Storing settings
GWARNING
If you use the memoryfunctiononthe driver's
side while driving, you could lose control of
the vehicle asaresult of the adjustments
being made. There isarisk of an accident.
Only use the memory function on the driver's
side when the vehicle is stationary.
GWARNING
Children could become trapped if they
activate the memory function, particularly
when unattended. There isarisk of injury.
When leavingthe vehicle, always takethe
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
With the memory function,you can store up
to three differentsettings, e.g. for three
differentpeople.
The following settings are stored asasingle
memory preset:
Rposition of the seat, backrest and head
restraint
Ractive multicontour seat: seat contour,
dynamic function level
Rdriver's side: position of the exterior
mirrorsonthe driver's and front-passenger
sides
112Memoryfunction
Seats, steering wheel and mirrors

The exterior lighting (except the parking/
standinglamps) switches off automatically if
you:
Rremove the SmartKey from the ignition lock
Ropen the driver's door with the SmartKey
in position0.
Automatic headlampmode
GWARNING
When the light switch is set to\r,the low-
beam headlamps may not be switched on
automatically if there is fog, snow or other
causes of poor visibility due to the weather
conditions such as spray. There isarisk of an
accident.
In such situations, turn the light switch to
.
The automatic headlamp feature is only an
aid. The driver is responsible for the vehicle's
lighting at all times.

Left-hand standinglamps
\nRight-hand standinglamps
Parking lamps, license plate and
instrument cluster lighting
\rAutomatic headlamp mode,
controlled by the light sensor
Low-beam/high-beam headlamps
\ris the favored light switch setting. The
light setting is automatically selected
accordingtothe brightness of the ambient
light (exception: poor visibility due to weather
conditions such as fog, snow or spray):
RSmartKey in position1in the ignition lock:
the parking lamps are switched on or off
automatically depending on the brightness
of the ambient light.
RWith the engine running: if you have
activated the daytime runninglamps
function via the on-board computer,the
daytime runninglamps or the low-beam
headlamps and parking lamps are switched
on or off automatically depending on the
brightness of the ambient light.
XTo switch on automatic headlamp
mode:turn the light switch to\r.
Only for Canada:
The daytime runninglamps improve the
visibility of your vehicle during the day. The
daytime runninglamps function is required by
law in Canada. It cannot therefore be
deactivated.
When the engine is runningand the vehicle is
stationary: if you move the selector lever from
adrive position toP,the daytime running
lamps/low-beam headlamps go out after
three minutes.
When the engine is running, the vehicle is
stationary and in high ambient light: if you
turn the light switch to,the daytime
runninglamps and parking lamps switch on.
If the engine is runningand you turn the light
switch to,the manual settings take
precedenceover the daytime runninglamps.
USA only:
The daytime runninglamps improve the
visibility of your vehicle during the day. To do
this, the daytime runninglamps function must
be switched on using the on-board computer
(Ypage 230).
If the engine is runningand you turn the light
switch toor,the manual settings
Exterior lighting117
Lights and windshield wipers
Z