2017 MERCEDES-BENZ GLC SUV wipers

High-beam headlamps
XSwitch off the lights.
XOpen the hood.
XTurn housing cover:counter-clockwise and
remove it.
XPush bulb holder ;upwards and pull out.
XPull defective bulb out of bulb holder ;.
XInsert new bulb into bulb holder;.
XInsert bulb holder;into groove with lug at
top.
XPush bulb holder ;down until it engages
audibly.
XPress on housing cover :and turn it clock-
wise.
Turn signals
XRemove the cover in the front wheel housing
(Ypage 117).
XTurn bulb holder :counter-clockwise using
the grip under the headlamp casing and
remove it downwards with bulb.
XTurn defective bulb counter-clockwise and
remove it from bulb holder :.
XInsert new bulb into bulb holder :.
XInsert bulb holder:, turn it clockwise and
lock.
XReplace the cover in the front wheel housing
(Ypage 117).
Removing and installing the cover in the
front wheel housing
You must remove the cover of the front wheel
housing before you can change the front turn
signal lamp.
XTo remove: switch off the lights.
XTurn the front wheels inwards.
XTurn rotary knob :180° outwards until it
stops using a suitable object.
Cover ;is released.
XFold cover ;up.
XTo install: insert cover ;into the left, right
and two lower catches.
XTurn rotary knob :180° inwards until it
stops using a suitable object.
Cover ;is locked.
Replacing bulbs117
Lights and windshield wipers
Z

Replacing rear bulbs (vehicles with
halogen headlamps)
Opening and closing the side trim pan-
els
Example: right-hand side paneling
You must open the side trim panel in the cargo
compartment before you can replace the bulbs
in the tail lamps.
XTo open: release right or left side trim
panel :at the top and fold it down in the
direction of the arrow.
XTo close: insert side trim panel :.
Rear lamp cluster
Changing the backup lamp
Due to their location, have the bulbs in the
backup lamp in the tailgate replaced at a quali-
fied specialist workshop.
XSwitch off the lights.
XOpen the tailgate.
Example: right-hand side handle
XIn recess?on the inside of the closing han-
dle, pry off and remove the upper section of handle
=with a flat, smooth object, e.g. a
screwdriver.
XPull the lower section of handle :with a
strong tug to remove it from the trim and then place it to one side.
XReach under the right-hand side of trim B
and lightly tug along the entire length of the
trim in order to unclip it.
XPull out connector Cof the surround lighting
by releasing the latches.
XVehicles with EASY-PACK tailgate: pull out the
plug connector for the switch at the top right
of the trim.
XVehicles with electric fold-out trailer tow
hitch: unlock and pull out the plug connector
for the switch at the top left of the trim.
XPlace trim Bto one side.
XUnclip the remaining part of trim Dfrom the
assembly on the corresponding side using a
sudden, sharp movement, until bulb holder
E is accessible.
118Replacing bulbs
Lights and windshield wipers

XPull the defective bulb out of bulb holderE.
XInsert the new bulb into bulb holderE.
XPosition trimDand engage it in place by
tapping it with your hand.
XCheck that all the metal clips are inserted in
the parts that were placed to one side: two
clips ;in the upper section of handle =and
four clips Ain trim B.
XIf not, remove the missing metal clips from
the metal openings in the tailgate and insert
them in the appropriate places.
XGrasp trim Band connect plug connector C
to the surround lighting.
iThe surround lighting only illuminates when
the tailgate has been shut and reopened.
XVehicles with EASY-PACK tailgate: insert the
plug connector for the switch at the top right
of the trim.
XVehicles with electric fold-out trailer tow
hitch: insert the plug connector for the switch
at the top left of the trim.
XPosition trim Band engage it in place by
tapping it with your hand, starting from the
outside.
XClip in the lower section of handle :again.
XInsert and engage the upper section of handle
=into lower section :.
Windshield wipers
Switching the windshield wipers
on/off
!
Do not operate the windshield wipers when
the windshield is dry, as this could damage
the wiper blades. Moreover, dust that has col-
lected on the windshield can scratch the glass
if wiping takes place when the windshield is
dry. If it is necessary to switch on the windshield
wipers in dry weather conditions, always use
washer fluid when operating the windshield
wipers.
!If the windshield wipers leave smears on the
windshield after the vehicle has been washed
in an automatic car wash, wax or other resi-
dues may be the reason for this. Clean the
windshield using washer fluid after washing
the vehicle in an automatic car wash.
!Intermittent wiping with rain sensor: due to
optical influences and the windshield becom-
ing dirty in dry weather conditions, the wind-
shield wipers may be activated inadvertently.
This could then damage the windshield wiper
blades or scratch the windshield.
For this reason, you should always switch off
the windshield wipers in dry weather.
1$ Windshield wiper off
2ÄIntermittent wipe, normal
3ÅIntermittent wipe, frequent
4°Continuous wipe, slow
5¯Continuous wipe, fast
BíSingle wipe
î Wipe with washer fluid
XSwitch on the ignition.
XTurn the combination switch to the corre-
sponding position.
Vehicles with a rain sensor: in theÅor
Ä position, the appropriate wipe frequency
is automatically set according to the intensity of
the rain. In the Åposition, the rain sensor is
more sensitive than in the Äposition, caus-
ing the windshield wiper to wipe more fre-
quently.
If the wiper blades are worn, the windshield will
no longer be wiped properly. This could prevent
you from observing the traffic conditions.
Windshield wipers119
Lights and windshield wipers
Z

Switching the rear window wiper on/
off
:èSwitch
2bWipes with washer fluid
3ISwitches on intermittent wiping
40 Switches off intermittent wiping
5b Wipes with washer fluid
XTurn the SmartKey to position 1or2 in the
ignition lock (Ypage 132).
XTurn switch :on the combination switch to
the corresponding position.
When the rear window wiper is switched on,
the è symbol appears in the instrument
cluster.
Replacing the wiper blades
Important safety notes
GWARNING
If the windshield wipers begin to move while
you are changing the wiper blades, you could be trapped by the wiper arm. There is a risk of
injury.
Always switch off the windshield wipers and
ignition before changing the wiper blades.
!Never open the hood/tailgate if a wiper arm
has been folded away from the windshield/
rear window.
Never fold a windshield wiper arm without a
wiper blade back onto the windshield/rear
window.
Hold the windshield wiper arm firmly when
you change the wiper blade. If you release the
wiper arm without a wiper blade and it falls
onto the windshield/rear window, the wind- shield/rear window may be damaged by the
force of the impact.
Mercedes-Benz recommends that you have
the wiper blades changed at a qualified spe-
cialist workshop.
!To avoid damaging the wiper blades, make
sure that you touch only the wiper arm of the
wiper.
Changing the windshield wiper blades
Adjusting the wiper blades so that they
are vertical
On vehicles without KEYLESS-GO or KEY-
LESS‑GO start function:
XTurn the SmartKey to position 1or2 in the
ignition lock (Ypage 132).
XSet the windshield wipers to the °posi-
tion on the combination switch.
XWhen the wiper arms are vertical to the hood,
turn the SmartKey to position uin the igni-
tion lock and remove SmartKey.
XFold the wiper arm away from the windshield.
On vehicles with KEYLESS-GO or KEY-
LESS‑GO start function:
XSwitch off the engine.
XRemove your foot from the brake pedal.
XSet the windshield wiper to the °position
on the combination switch.
XPress the Start/Stop button repeatedly until
the windshield wiper starts.
XWhen the wiper arms are vertical to the hood,
press the Start/Stop button.
XFold the wiper arm away from the windshield.
Removing the wiper blades
120Windshield wipers
Lights and windshield wipers

XHold on to the wiper arm with one hand. With
the other hand, turn the wiper blade in the
direction of arrow:away from the wiper arm
as far as it will go.
XSlide the catch ;in the direction of arrow =
until it engages in the removal position with a
noticeable click.
XRemove the wiper blade in the direction of
arrow ?away from the wiper arm.
Installing the wiper blades
XInsert the new wiper blade into the wiper arm
in the direction of arrow :.
XSlide the catch;in the direction of arrow =
until it engages in the locking position with a
noticeable click.
XMake sure that the wiper blade is seated cor-
rectly.
XFold the wiper arm back onto the windshield.
XRemove the protective film :from the ser-
vice indicator on the tip of the wiper blade.
If the color of the service indicator changes from
black to yellow, the wiper blades should be
replaced.
iThe duration of the color change varies
depending on the usage conditions.
Replacing the rear window wiper blade
Removing a wiper blade
XSwitch off the engine.
XRemove the SmartKey from the ignition lock.
or, on vehicles with KEYLESS-GO or KEY-
LESS‑ GO start function:
XOpen the driver's door.
The vehicle electronics are now in position
u. This is the same as: "Key removed".
Windshield wipers121
Lights and windshield wipers
Z

XFold wiper arm?away from the rear window.
XPress both release clips ;.
XFold wiper blade:in the direction of
arrow =away from wiper arm ?.
XRemove wiper blade:in the direction of
arrow A.
Installing a wiper blade
XPosition new wiper blade :with recess B
on lug A.
XFold wiper blade :in the direction of arrow
= onto the wiper arm until retaining clips ;
engage in bracket ?.
XMake sure that wiper blade :is seated cor-
rectly.
XFold the wiper arm back onto the rear win-
dow.
Problems with the windshield wipers
ProblemPossible causes/consequences and MSolutions
The windshield wipers
are jammed.Leaves or snow, for example, are obstructing windshield wiper move-
ment. The wiper motor has been deactivated.
XSwitch off the engine.
XRemove the SmartKey from the ignition lock.
or, on vehicles with KEYLESS-GO or KEYLESS ‑GO start function:
XOpen the driver's door.
The vehicle electronics are now in positionu. This means: "Key
removed".
XRemove the cause of the obstruction.
XSwitch the windshield wipers back on.
The windshield wipers
fail completely.The windshield wiper drive is malfunctioning.
XSelect another wiper speed on the combination switch.
XHave the windshield wipers checked at a qualified specialist work-
shop.
The windshield washer
fluid from the spray noz-
zles no longer hits the
center of the windshield.The spray nozzles are misaligned.
XHave the spray nozzles adjusted at a qualified specialist workshop.
122Windshield wipers
Lights and windshield wipers

The climate control system switches to the
following functions:
Rhigh airflow
Rhigh temperature
Rair distribution to the windshield and front
side windows
Rair-recirculation mode off
iIf necessary, the "Cooling with air dehumid-
ification" function is activated. In this case,
the indicator lamp above the ¿rocker
switch remains switched off.
XTo switch off: press rocker switch ¬up or
down.
The indicator lamp above the ¬rocker
switch goes out. The previously selected set-
tings are restored. Air-recirculation mode
remains deactivated.
Defrosting the windows
Windows fogged up on the inside
XActivate the "Cooling with air dehumidifica-
tion" function with the ¿rocker switch.
XSwitch on automatic mode using the Ã
rocker switch.
XIf the windows continue to fog up, activate the "Windshield defrosting" function using the
¬ rocker switch.
iYou should only select this setting until the
windshield is clear again.
Windows fogged up on the outside
XActivate the windshield wipers.
XSwitch on automatic mode using the Ã
rocker switch.
iIf you clean the windows regularly, they do
not fog up so quickly.
Rear window defroster
General notes
The rear window defroster has a high current
draw. You should therefore switch it off as soon
as the rear window is clear. Otherwise, the rear
window defroster switches off automatically
after several minutes.
If the battery voltage is too low, the rear window defroster may switch off.
Activating/deactivating
XTurn the SmartKey to position 2in the igni-
tion lock (Ypage 132).
XPress rocker switch ¤up or down.
The indicator lamp above rocker switch ¤
lights up or goes out.
Problems with the rear window defroster
ProblemPossible causes/consequences and MSolutions
The rear window
defroster has deactiva-
ted prematurely or can-
not be activated.The battery has not been sufficiently charged.
XSwitch off any consumers that are not required, e.g. reading lamps,
interior lighting or the seat heating.
When the battery is sufficiently charged, the rear window defroster
can be activated again.
Switching air-recirculation mode
on/off
General notes
You can also temporarily deactivate the flow of
fresh air manually if unpleasant odors are enter-
ing the vehicle from outside. The air already
inside the vehicle will then be recirculated. If you switch on air-recirculation mode, the win-
dows can fog up more quickly, in particular at
low temperatures. Only use air-recirculation
mode briefly to prevent the windows from fog-
ging up.
Operating the climate control systems127
Climate control

!Do not warm up the engine with the vehicle
stationary. Drive off immediately. Avoid high
engine speeds and driving at full throttle until
the engine has reached its operating temper- ature.
Only shift the automatic transmission to the
desired drive position when the vehicle is sta-
tionary.
Where possible, avoid spinning the drive
wheels when pulling away on slippery roads.
You could otherwise damage the drive train.
Key positions
SmartKey
gTo remove the SmartKey
1Power supply for some consumers, such as
the windshield wipers
2Ignition (power supply for all consumers)
and drive position
3To start the engine
iThe SmartKey can be turned in the ignition
lock even if it is not the correct SmartKey for
the vehicle. The ignition is not switched on.
The engine cannot be started.
Start/Stop button
General notes
When you insert the Start/Stop button into the
ignition lock, the system needs approximately
two seconds recognition time. You can then use
the Start/Stop button.
Pressing the Start/Stop button several times in
succession corresponds to the different Smart-
Key positions in the ignition lock. This is only the
case if you are not depressing the brake pedal. If you depress the brake pedal and press the
Start/Stop button, the engine starts immedi-
ately.
A check which periodically establishes a radio
connection between the vehicle and the Smart-
Key determines whether a valid SmartKey is in
the vehicle. This occurs, for example, when
starting the engine.
To start the vehicle without actively using the
SmartKey:
Rthe Start/Stop button must be inserted in the
ignition lock.
Rthe SmartKey must be in the vehicle.
Rthe vehicle must not be locked with the
SmartKey or KEYLESS-GO. (Ypage 78)
Do not keep the SmartKey:
Rwith electronic devices, e.g. a mobile phone
or another SmartKey.
Rwith metallic objects, e.g. coins or metal foil.
Rinside metallic objects, e.g. a metal case.
This can affect the functionality of the Smart-
Key.
If you lock the vehicle with the SmartKey remote
control or with KEYLESS-GO, after a short time:
Ryou will not be able to switch on the ignition
with the Start/Stop button.
Ryou will no longer be able to start the engine
with the Start/Stop button until the vehicle is
unlocked again.
If you lock the vehicle centrally using the button
on the front door (
Ypage 83), you can continue
to start the engine with the Start/Stop button.
The engine can be switched off while the vehicle
is in motion by pressing and holding the Start/
Stop button for three seconds. This function
operates independently of the ECO start/stop
automatic engine switch-off function.
132Driving
Driving and parking