headlamp MERCEDES-BENZ CLA-Class 2017 C117 User Guide

Interior lighting control
General notes
In order to preven tth evehicle's battery from
discharging ,th einterio rlighting function sare
automatically deactivated after som etime
except when th eSmartKey is in position 2in th e
ignition lock.
The color and brightness for th eambien tlighting
may be set via th emultimedia system; see th e
separat eoperating instructions.
Automatic interior lighting control
XTo switch on: set theswitch to center posi-
tion B.
XTo switch off :set th eswitch to th e|
position .
The interio rlighting automatically switches on if
you:
Runlock th evehicl e
Ropenadoor
Rremove th eSmartKey from th eignition loc k
The interio rligh tis activated for ashort while
when th eSmartKey is remove dfrom th eignition
lock. This delaye dswitch-off can be adjusted via
th emultimedia system; see th eseparat eoper -
ating instructions.
Replacing bulbs
Important safety notes
GWARNIN G
Bulbs, lamp sand connectors can get ver yhot
when operating .If you chang e abulb, you
could burn yourself on these components.
Ther eis aris kof injury.
Allow these component sto cool down before
changing abulb.
Do no tuse abulb if it has been dropped or if it s
glass tub ehas been scratched.
The bulb may explod eif
Ryou touch it
Rit is hot
Ryou dro pit
Ryou scratch it . Use bulbs only in closed lamp
sthat hav ebeen
designed for this purpose .Only instal lspar e
bulbs of th esam etyp eand th especifie dvolt-
age.
Mark son th eglass tub ereduce th eservic elife
of th ebulbs .Do no ttouch th eglass tub ewit h
your bare hands. If necessary, clean th eglass
tub ewhen cold wit halcohol or spirit and rub it
off wit h alint-free cloth .
Protect bulbs from moisture during operation .
Do no tallow bulbs to come int ocontact wit h
liquids.
Replac eonly th ebulbs listed (
Ypage 103).
Hav eth ebulbs that you canno tchang eyourself
replace dat aqualified specialist workshop.
If you require assistanc ereplacing bulbs ,con-
sult aqualified specialist workshop.
If th ene wbulb still does no tligh tup, consult a
qualified specialist workshop.
Headlamps and lights are an important aspect of
vehicl esafety. You must therefor emak esur e
tha
t these function correctl yat all times .Hav e
th eheadlamp setting checke dregularly.
Vehicles with LED headlamps: theligh tclus -
ters of your vehicl eare equipped wit hLE Dligh t
bulbs .Do no treplace th ebulbs yourself .Con -
tac t a qualified specialist workshop whic hhas
th enecessar yspecialist knowledge and tools to
carry out th ewor krequired.
Overview of bulb types
You can replace th efollowin gbulbs .The bulb
typ ecan be foun din th elegend .
Replacing bulbs103
Lights and windshield wipers
Z

Vehicles with halogen headlamps
:
Turn signal lamp: PY 21 W
;High-beam headlamps/daytime running
lamps/parking lamps/standing lamps:
H15 55 W/15 W
=Low-beam headlamps: H7 55 W
Tail lamps (vehicles with halogen headlamps)
:
Rear fog lamp: P 21 W
;Brake lamp: W 16 W
=Brake lamp: W 16 W
?Turn signal lamp: PY 21 W
ABackup lamp: W 16 W
Replacing front bulbs
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 :through 90°.
Cover ;is released.
XPush cover ;down.
XTo install: push cover ;up.
XTurn rotary knob :through 90°.
Cover ;is locked.
Low-beam headlamps (halogen head-
lamps)
XRemove the cover in the front wheel housing
(Ypage 104).
XTurn housing cover :counter-clockwise and
remove it.
XTurn bulb holder ;counter-clockwise and
pull out.
XPull the bulb out of bulb holder ;.
104Replacing bulbs
Lights and windshield wipers

XInsert the new bulb into bulb holder;.
XInsert bulb holder;and turn it clockwise.
XPress on housing cover :and turn it to the
right.
XReplace the cover in the front wheel housing
(Ypage 104).
High-beam headlamps/daytime run-
ning lamps/parking lamps and stand-
ing lamps (halogen headlamps)
XSwitch off the lights.
XOpen the hood.
XTurn housing cover :counter-clockwise and
remove it.
XTurn bulb holder ;counter-clockwise and
pull out.
XInsert the new bulb and engage it to the stop.
XPress on housing cover :and turn it to the
right.
Turn signals (halogen headlamps)
XSwitch off the lights.
XOpen the hood.
XTurn bulb holder :counter-clockwise and
pull out.
XTurn the bulb counter-clockwise and pull it
out of bulb holder :.
XInsert the new bulb into bulb holder :.
XInsert bulb holder:and turn it clockwise
until it engages.
Replacing rear bulbs
Opening and closing the side trim pan-
els
View of right-hand side trim panel
You must open the side trim panel in the trunk
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 panel :.
Tail lamps
XSwitch off the lights.
XOpen the trunk.
XOpen the side trim panel (Ypage 105).
Replacing bulbs105
Lights and windshield wipers
Z

Display messagesPossible causes/consequences andMSolutions
If thecondition sare no tfulfilled ,th esystem is no toperating correctly.
XVisit aqualified specialist workshop immediately.
Fo rfurther information about th eOccupant Classification System, see
(
Ypage 47).
Lights
i
Vehicles wit hLE Dbulbs in th eligh tclusters :
The display message for th ecorrespondin glamp only appear swhen all of th eLEDs in th elamp
hav efailed.
Display messagesPossible causes/consequences and MSolutions
b
Check LeftCorner ‐ing LightorCheckRight CorneringLight
The lef tor right-hand cornering ligh tis defective.
XChec kwhether you are permitte dto replace th ebulb yourself
(Ypage 103).
or
XVisit aqualified specialist workshop .
b
CheckLeftLowBeamorCheck Right LowBea m
The lef tor right-hand low-beam headlamp is defective.
XChec kwhether you are permitte dto replace th ebulb yourself
(Ypage 103).
or
XVisit aqualified specialist workshop .
b
Check RearLef tTurnSignalor
Check Rea rRight
Tur nSignal
The rear left-han dor rear right-hand tur nsignal is defective.
XChec kwhether you are permitte dto replace th ebulb yourself
(Ypage 103).
or
XVisit aqualified specialist workshop .
b
Check Front LeftTurnSignalor
Check Front Right
Tur nSignal
The fron tleft-han dor fron tright-hand tur nsignal is defective.
XChec kwhether you are permitte dto replace th ebulb yourself
(Ypage 103).
or
XVisit aqualified specialist workshop .
b
Check LeftMirrorTur nSignalor
Check Right Mirror
Tur nSignal
The tur nsignal in th eleft-han dor right-hand exterio rmirror is defec -
tive.
XVisit aqualified specialist workshop .
b
Check Center BrakeLamp
The high-mounte dbrak elamp is faulty.
XVisit aqualified specialist workshop .
Display messages199
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
b
Check Front LeftSidemarkerLam por
Check Front Right
Sidemarke rLam p
The fron tleft-han dor fron tright-hand side marke rlamp is faulty.
XVisit aqualified specialist workshop .
b
Check RearLef tSidemarke rLam por
Check Rea rRight
Sidemarke rLam p
The rear left-han dor rear right-hand side marke rlamp is faulty.
XVisit aqualified specialist workshop .
b
Check LeftDaytim eRunningLightor
CheckRightDaytim eRunningLight
The lef tor right-hand daytime runnin glamp is faulty.
XChec kwhether you are permitte dto replace th ebulb yourself
(Ypage 103).
or
XVisit aqualified specialist workshop .
b
Active HeadlampsInoperative
The active lightfunction is faulty.
XVisit aqualified specialist workshop .
b
Malfunction SeeOperator'sManual
The exterio rlighting is malfunctioning .
XVisitaqualified specialist workshop .
b
AutoLam pFunctionInoperative
The ligh tsensor is defective.
XVisit aqualified specialist workshop .
b
Switch Off Lights
The lights are still switched on when you leav eth evehicle. Awarning
tone also sounds.
XTurn th eligh tswitch to th eà position .
b
Switch On Headlamps
You are drivin gwit hlow-beam headlamp sswitched off .
XTurn theligh tswitch to th eL orà position .
Display messages201
On-board computer and displays
Z