headlamp MERCEDES-BENZ GLK-Class 2011 X204 User Guide

Bi-Xenon headlamps
:Turn signal lamp/side marker lamp:
WY 5 W
;Turn signal lamp: PY 21 W=Cornering lamp: H7 55 W?Parking lamp/standing lamp: W 5 W
Tail lamp with/without LED
:Tail lamp/brake lamp: P 21 W;Turn signal lamp: PY 21 W=Backup lamp: P 21 W or W 16 W10?Tail lamp/rear fog lamp: P 21 WASide marker lamp: W 3 W
License plate lamp
:License plate lamp: W 5 W
Changing the front bulbs
Removing/installing the cover on top of
the headlamp
You must remove the headlamp cover in the
engine compartment before you can replace
the bulbs in the headlamp.
XTo remove: press retaining clip : in the
direction of the arrow.
XPull cover ; forward underneath
cover = and remove.
XTo install: slide cover ; under cover =.
Connect the two covers by inserting the
tongue into the groove.
XPress cover ; until retaining clip :
engages.10Vehicles without LED turn signals (W 16 W)/vehicles with LED turn signals (P 21 W).Changing bulbs109Lights and windshield wipersBA 204.9 USA, CA Edition A 2011; 1; 6, en-USd2mwentsVersion: 3.0.3.62010-06-15T08:58:39+02:00 - Seite 109Z

Loosening/tightening the washer fluid
reservoir
You must remove the washer fluid reservoir
from the engine compartment before you can
replace the bulbs in the left-hand headlamp.
XTo detach: turn catch ; counter-
clockwise.
XSwing washer fluid reservoir : far enough
to the side to allow the bulbs of the
headlamp to be replaced.
XTo attach: swing back washer fluid
reservoir :.
XTurn catch ; clockwise.
Low-beam headlamp (halogen
headlamp)
XSwitch off the lights.XOpen the hood.XRemove the headlamp cover (Y page 109).XLeft-hand headlamp: detach the washer
fluid reservoir (Y page 110).
XTurn housing cover : counter-clockwise
and pull it out.
XPull connector ; from bulb ?.XDetach retaining spring = downwards.XPull out bulb ?.XInsert the new bulb.XAttach retaining spring =.XAttach connector ; to bulb ?.XPlace housing cover : and turn it
clockwise until it engages.
XLeft-hand headlamp: fasten the washer
fluid reservoir (Y page 110).
XInstall the headlamp cover (Y page 109).
High-beam headlamps
XSwitch off the lights.XOpen the hood.XRemove the headlamp cover (Y page 109).XLeft-hand headlamp: detach the washer
fluid reservoir (Y page 110).
XTurn housing cover : counter-clockwise
and pull it out.
XPress the handle of bulb holder ; in the
direction of the arrow until bulb holder ;
is released.
XTake out the handle with bulb holder ;.XTake the bulb out of bulb holder ;.110Changing bulbsLights and windshield wipers
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XInsert the new bulb into bulb holder ;.
Lug = of the bulb must be pointing
upward.
XInsert bulb holder ;.XPush the handle of bulb holder ; in the
opposite direction from the arrow until
holder ; engages.
XAlign housing cover : and turn it
clockwise until it engages.
XLeft-hand headlamp: fasten the washer
fluid reservoir (Y page 110).
XInstall the headlamp cover (Y page 109).
Standing lamps/parking lamps
XSwitch off the lights.XOpen the hood.XRemove the headlamp cover (Y page 109).XLeft-hand headlamp: detach the washer
fluid reservoir (Y page 110).
XTurn housing cover : counter-clockwise
and pull it out.
XPull out bulb holder ;.XTake the bulb out of bulb holder ;.XInsert the new bulb into bulb holder ;.XInsert bulb holder ;.XAlign housing cover : and turn it
clockwise until it engages.
XLeft-hand headlamp: fasten the washer
fluid reservoir (Y page 110).
XInstall the headlamp cover (Y page 109).
Turn signal lamps/side marker lamps
XSwitch off the lights.XOpen the hood.XRemove the headlamp cover (Y page 109).XLeft-hand headlamp: detach the washer
fluid reservoir (Y page 110).
XTurn bulb holder : or ; counter-
clockwise and pull it out.
XWY 5 W (turn signals and side marker
lamps): pull the bulb out of bulb holder :.
XPY 21 W (turn signals): turn the bulb
counter-clockwise, applying slight
pressure, and remove it from bulb
holder ;.
XWY 5 W (turn signals and side marker
lamps): insert the new bulb into bulb
holder :.
XPY 21 W: insert the new bulb into bulb
holder ; and turn it clockwise while
applying slight pressure.
XInsert bulb holder : or ; and turn it
clockwise.
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XLeft-hand headlamp: fasten the washer
fluid reservoir (Y page 110).
XInstall the headlamp cover (Y page 109).
Changing the rear bulbs
Opening/closing the side trim
You must open the side trim panel in the
cargo compartment before you can change
the bulbs in the tail lamps.
Left-hand side trim panel
Right-hand side trim panel
XTo open: turn release knob : 90° in the
direction of the arrow and remove side trim
panel ;.
XTo close: insert side trim panel ; and turn
release knob : 90° in the opposite
direction to the arrow.
Tail lampXSwitch off the lights.XOpen the cargo compartment.XOpen the side trim panel (Y page 112).XPull out connector ;.XPress retaining lugs : simultaneously in
the direction of the arrow and pull the bulb
holder out.
Bulb holder without LED turn signal lamp
=Tail lamp/braking lamp ?Turn signals ABackup lamp BRear fog lamp/tail lamp CSide marker lampXLightly press the corresponding bulb into
the holder, turn it counter-clockwise and
remove it from the bulb holder.
XInsert the corresponding new bulb into the
bulb holder and turn it clockwise.
XAttach the bulb holder and press firmly.
The retaining lugs on the bulb holder
engage audibly.
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SmartKey positions
SmartKeygTo remove the SmartKey
(shift the transmission to position P)1Power supply for some consumers, such
as the windshield wipers2Ignition (power supply for all consumers)
and drive position3To start the engine
Once the ignition is switched on, all the
indicator lamps in the instrument cluster light
up. The indicator lamps of the low-beam
headlamps, high-beam headlamps, turn
signal lamps or front fog lamps only light up
if the low-beam headlamps, high-beam
headlamps, turn signal lamps or front fog
lamps are switched on. If an indicator lamp
does not light up when the ignition is switched
on, check it and replace it if necessary. If an
indicator lamp does not go out after starting
the engine or lights up while the vehicle is in
motion, see ( Y page 195).
If the SmartKey is in position 0 in the ignition
lock for an extended period of time, it can no
longer be turned in the ignition lock. The
steering is then locked. To unlock, remove the
SmartKey and reinsert it in the ignition lock.
The steering is locked when you remove the
SmartKey from the ignition lock.
XRemove the SmartKey when the engine is
switched off.
The battery may otherwise discharge.If you cannot turn the SmartKey in the ignition
lock, the vehicle battery may not be charged
sufficiently.XCheck the vehicle battery and charge if
necessary ( Y page 254).
or
XJump-start the vehicle ( Y page 256).
i
The 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.
KEYLESS-GO
Vehicles with KEYLESS-GO are equipped with
a SmartKey with an integrated KEYLESS-GO
function and a detachable Start/Stop button.
The Start/Stop button must be inserted in the
ignition lock and the SmartKey must be in the
vehicle.
Pressing the Start/Stop button several times
in succession corresponds to the different
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
immediately.
The Start/Stop button can be removed from
the ignition lock. Then you can insert the
SmartKey in the ignition lock.
i You do not have to remove the Start/Stop
button from the ignition lock when you
leave the vehicle. However, you should
always take the SmartKey with you when
leaving the vehicle. The vehicle can be
started with the Start/Stop button and the
electrical equipment can be operated while
the SmartKey is in the vehicle.
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:Start/Stop button;Ignition lockXInsert Start/Stop button : into ignition
lock ;.
i
When you insert Start/Stop button :
into ignition lock ;, the system requires a
detection time of two seconds before you
can use Start/Stop button :.
XShift the transmission to position P.XDo not press the brake pedal.
Start/Stop button
=USA only?Canada onlyXPosition 0: if Start/Stop button : has not
yet been pressed, this corresponds to the
SmartKey being removed from the ignition.XPosition 1: press Start/Stop button :.
You can now activate the windshield
wipers, for example.i If you then open the driver's door when in
this position, the power supply is
deactivated.XPosition 2 (ignition): press Start/Stop
button : twice.
i
If you press Start/Stop button : once
when in this position and the driver's door
is open, the power supply is deactivated
again.
As soon as the ignition is switched on, all the
indicator lamps in the instrument cluster light
up. The indicator lamps of the low-beam
headlamps, high-beam headlamps, turn
signal lamps or front fog lamps only light up
if the low-beam headlamps, high-beam
headlamps, turn signal lamps or front fog
lamps are switched on. If an indicator lamp
does not light up when the ignition is switched
on, check it and replace it if necessary. If an
indicator lamp does not go out after the
engine is started or if it lights up while the
vehicle is in motion, see ( Y page 195).
Starting the engine
Important safety notes
GWarning
Inhalation of exhaust gas is hazardous to your
health. All exhaust gas contains carbon
monoxide (CO), and inhaling it can cause
unconsciousness and possible death.
Do not run the engine in confined areas (such
as a garage) which are not properly ventilated.
If you think that exhaust gas fumes are
entering the vehicle while driving, have the
cause determined and corrected
immediately. If you must drive under these
conditions, drive only with at least one
window fully open at all times.
! Do not depress the accelerator pedal
when starting the engine.
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XPress the = or ; button to select the
display you want to change: hour, minute,
day, month, year.XPress the : or 9 button to set the
selected display.XPress the a button to store the entry.
Lights
Switching the daytime running lamps on/
off
This function is not available in Canada.
If you have activated the Daytime Running
Lights: function and the light switch is in the
c position the daytime running lamps are
switched on automatically when the engine is
running.
In the dark, the following also light up:
R the low-beam headlamps
R the parking lamps
R the tail lamps
R the license plate lamp
R the side marker lamps
XPress the = or ; button on the
steering wheel to select the Settings
menu.XPress the : or 9 button to select the
Lights submenu.XPress the a button to confirm.XPress the : or 9 button to select the
Daytime Running Lights: function.
You will see the selected setting: Enabled
or Disabled .XPress the a button to save the setting.
Activating/deactivating surround
lighting and exterior lighting delayed
switch-off
If you switch on the Locator Lighting:
function and the light switch is set to c,
R
the exterior lighting switches on when it is
dark after unlocking the vehicle with the
SmartKey.
The exterior lighting switches off when you
open the driver’s door.
R the exterior lighting remains on for 15
seconds when it is dark after closing the
doors.
If the engine is switched off and then none
of the doors are opened, or if an open door
is not closed, the exterior lighting goes out
after 60 seconds.
If you activate the Locator Lighting:
function, the following light up:
R the parking lamps
R the tail lamps
R the fog lamps 22
R the low-beam headlamps 23
R the license plate lamp
R the side marker lampsXPress the = or ; button on the
steering wheel to select the Settings
menu.XPress the : or 9 button to select the
Lights submenu.XPress the a button to confirm.XPress the : or 9 button to select the
Locator Lighting: function.
You will see the selected setting: Enabled
or Disabled .XPress the a button to save the setting.
To deactivate the delayed shut-off
temporarily:
XBefore leaving the vehicle, turn the
SmartKey to position 0 in the ignition lock.XTurn the SmartKey to position 2 in the
ignition lock and back to position 0.
The delayed shut-off is deactivated.
The delayed shut-off is reactivated the next
time you start the engine.
22 Only for vehicles with front fog lamps.
23 Only for vehicles without front fog lamps.172Menus and submenusOn-board computer and displays
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GWarning
Driving with the message Check Brake Fluid Level displayed can result in an accident. Have
your brake system checked immediately.
Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can
result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be
seriously burned.
Lights
i Display messages concerning LEDs:
This display message will only appear if all LEDs have failed.
Display messagesPossible causes/consequences and M Solutionsb
Check Left
Corner'g Lite
or
Right Corner'g LiteThe left or right-hand cornering light is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 107).
or
XVisit a qualified specialist workshop.b
Check Left Low Beam
or
Check Right Low
BeamThe left or right-hand low-beam headlamp is faulty. XCheck whether you are permitted to change the bulb yourself
( Y page 107).
or
XVisit a qualified specialist workshop.b
Chk. Trailer Lt
Tail Lamp
or
Chk. Trailer Rt
Tail LampThe left or right-hand trailer tail light is faulty.XCheck whether you are permitted to change the bulb yourself.
or
XVisit a qualified specialist workshop.b
Check Trailer Lt.
Turn Sig.
or
Chk. Trailer Rt
Turn Sig.The left or right-hand trailer turn signal lamp is faulty.XCheck whether you are permitted to change the bulb yourself.
or
XVisit a qualified specialist workshop.b
Chk. Trailer Brake
LampThe trailer brake lamp is faulty.XCheck whether you are permitted to change the bulb yourself.
or
XVisit a qualified specialist workshop.Display messages183On-board computer and displaysBA 204.9 USA, CA Edition A 2011; 1; 6, en-USd2mwentsVersion: 3.0.3.62010-06-15T08:58:39+02:00 - Seite 183Z

Display messagesPossible causes/consequences and M Solutionsb
Check Rear Lt.
Sidemarker
or
Chk. Rear Rt
SidemarkerThe rear left or right side marker lamp is faulty.XCheck whether you are permitted to change the bulb yourself
( Y page 107).
or
XVisit a qualified specialist workshop.b
Chk. Lt. Day
Running Lite
or
Chk. Rt. Day
Running LiteThe left or right-hand daytime running lamp is defective.XCheck whether you are permitted to change the bulb yourself
( Y page 107).
or
XVisit a qualified specialist workshop.b
Active Headlamps
InoperativeThe active light function is faulty.XVisit a qualified specialist workshop.b
Malfunction See
Operator's ManualThe exterior lighting is faulty.XVisit a qualified specialist workshop.b
AUTO Lamps
InoperativeThe light sensor is faulty. The low-beam headlamps are switched
on.XUSA only: switch off the daytime driving lights in the on-board
computer ( Y page 172).XSwitch the lights on and off using the light switch.XVisit a qualified specialist workshop.b
Switch Off LightsThe lights are still switched on when you leave the vehicle. A
warning tone also sounds.XTurn the light switch to c.
Engine
Display messagesPossible causes/consequences and M Solutions+
Check Coolant
Level See
Operator's ManualThe coolant level is too low.XAdd coolant, observing the warning notes when doing so
( Y page 234).XIf coolant needs adding more often than usual, have the engine
coolant system checked at a qualified specialist workshop.186Display messagesOn-board computer and displays
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coolant reservoir contains hot fluid and is
under pressure.
Rusing a rag, slowly turn the cap
approximately 1/2 turn to relieve excess
pressure. If opened immediately, scalding
hot fluid and steam will be blown out under
pressure.
Rdo not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which
may burn if it comes into contact with hot
engine parts.
XSlowly turn cap : half a turn counter-
clockwise and allow excess pressure to
escape.
XTurn cap : further counter-clockwise and
remove it.
If the coolant is at the level of marker bar
= in the filler neck when cold, there is
enough coolant in coolant expansion
tank ;.
If the coolant is approximately 0.6 in
(1.5 cm) higher when warm, there is
enough coolant in coolant expansion
tank ;.
XIf necessary, add coolant which has been
tested and approved by Mercedes-Benz.
XReplace cap : and turn it clockwise as far
as it will go.
For further information on coolant, see
(Y page 298).
Windshield washer system/headlamp
cleaning system
The washer fluid reservoir is used for both the
windshield washer system and the headlamp
cleaning system.
GWarning
Washer solvent/antifreeze is highly
flammable. Do not spill washer solvent/
antifreeze on hot engine parts, because it may
ignite and burn. You could be seriously
burned.
! At temperatures below freezing, always
fill the washer fluid container with a mix of
windshield washer concentrate and
antifreeze additive. There is otherwise a
risk of damaging the windshield washer
system/headlamp cleaning system.
! Only use washer fluid concentrate which
is suitable for plastic lenses. Unsuitable
washer fluid concentrate could damage the
plastic lenses of the headlamps.
! Do not add distilled or de-ionized water to
the washer fluid container. Otherwise, the
fluid level measuring gauge could be
damaged.
iAdd windshield washer concentrate, e.g.
MB SummerFit, to the washer fluid all year
round.
Example: washer fluid reservoir
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