2018 MERCEDES-BENZ CLA headlamp

X
To switc ho ff the high-beam headlamps:
move the combinatio ns wi tch back to its nor-
ma lp osition.
The blue W indicator lamp in the instru-
ment cluster goe so ut .
Vehicles with Adaptive Highbeam Assist:
when Adaptive Highbeam Assist is active, it
controls activation and deactivation of the
high-bea mh eadlamps ( Y
page 102).X
To switc hont he high-beam flasher: pull
the combinatio ns wi tch in the direction of
arrow

Vehicles with haloge nh eadlamps
C
Turn signal lamp: PY 21 WD
High-beam headlamps/daytime running
lamps/parking lamps/standing lamps:
H15 55 W/15 W

X
Insert the new bul bi nto bul bh older D .X
Insert bul bh older D and turn it clockwise.X
Press on housing cover C and turn it to the
right. X
Replace the cover in the front wheel housing
( Y
page 105).
High-beam headlamps/daytime run-
ning lamps/parking lamps and stand-
ing lamps (halogen headlamps) X
Switch off the lights. X
Open the hood. X
Turn housing cover C counter-clockwise and
remove it. X
Turn bul bh older D counter-clockwise and
pul lo ut.X
Insert the new bul ba nd engage it to the stop.X
Press on housing cover C and turn it to the
right.
Turn signals (halogen headlamps)
X
Switch off the lights. X
Open the hood. X
Turn bul bh older C counter-clockwise and
pul lo ut. X
Turn the bul bc ounter-clockwise and pul li t
out of bul bh older C .X
Insert the new bul bi nto bul bh older C .X
Insert bul bh older C and turn it clockwise
until it engages.
Replacing rear bulbs
Openin ga nd 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. X
To open: release right or left side trim
panel C at the top and fold it down in the
direction of the arrow. X
To close: insert side panel C .
Tail lamps X
Switch off the lights. X
Open the trunk. X
Open the side trim panel ( Y
page 106).106
Replacing bulbs
Lights and windshield wipers

Display messages
Possible causes/consequences and P Solutions
If th ec onditi on sa re no tf ulfilled ,t he system is no to perating correctly.X
Visit aq ualified specialist workshop immediately.
Fo rf urther information about th eO cc upant Classification System, see
( Y
page 48).
Lights
i Vehicles wit hL ED bulbs in th el igh tc lusters :
The display message for th ec orre spondin gl amp only appear sw hen all of th eL ED sint he lamp
hav ef ailed.
Display messages
Possible causes/consequences and P Solutions
I Check Lef tC orner ‐
ing Light or Check
Right Cornering
Light The lef torr ight-hand cornering ligh tisd efective.X
Chec kw hether you are permitte dtor eplace th eb ulb yourself
( Y
page 104).
or X
Visit aq ualified specialist workshop .
I Check Lef t Low Bea m
or Check Right Low
Bea m The lef torr ight-hand low-beam headlamp is defective. X
Chec kw hether you are permitte dtor eplace th eb ulb yourself
( Y
page 104).
or X
Visit aq ualified specialist workshop .
I Check Rea rL ef t
Tur nS ignal or
Check Rea rR ight
Tur nS ignal The rear left-han dorr ear right-hand tur ns ignal is defective.X
Chec kw hether you are permitte dtor eplace th eb ulb yourself
( Y
page 104).
or X
Visit aq ualified specialist workshop .
I Check Front Lef t
Tur nS ignal or
Check Front Right
Tur nS ignal The fron tl eft-han dorf ront right-hand tur ns ignal is defective.X
Chec kw hether you are permitte dtor eplace th eb ulb yourself
( Y
page 104).
or X
Visit aq ualified specialist workshop .
I Check Lef tM irror
Tur nS ignal or
Check Right Mirror
Tur nS ignal The tur ns ignal in th el eft-han dorr ight-hand exterio rm irror is defec -
tive. X
Visit aq ualified specialist workshop .
I Check Center Brake
Lam p The high-mounte db rak el amp is faulty.X
Visit aq ualified specialist workshop .202
Display messages
On-boar dc omputer an dd isplays

Display messages
Possible causes/consequences and P Solutions
I Check Front Lef t
Sidemarke rL am p or
Check Front Right
Sidemarke rL am p The fron tl eft-han dorf ront right-hand side marke rl amp is faulty.X
Visit aq ualified specialist workshop .
I Check Rea rL ef t
Sidemarke rL am p or
Check Rea rR ight
Sidemarke rL am p The rear left-han dorr ear right-hand side marke rl amp is faulty.X
Visit aq ualified specialist workshop .
I Check Lef tD aytim e
Runnin gL ight or
Check Right Daytim e
Runnin gL ight The lef torr ight-hand daytime runnin gl amp is faulty.X
Chec kw hether you are permitte dtor eplace th eb ulb yourself
( Y
page 104).
or X
Visit aq ualified specialist workshop .
I Malfunction See
Operator' sM anual The exterio rl ighting is malfunctioning .X
Visit aq ualified specialist workshop .
I Aut oL am pF unction
Inoperative The ligh ts ensor is defective. X
Visit aq ualified specialist workshop .
I Switch Off Lights The lights are still switched on when you leav et he vehicle. Aw arning
tone also sounds. X
Turn th el igh ts witch to th e X position .
I Switch On Headlamps You are drivin gw it hl ow-beam headlamp ss witched off .X
Turn th el igh ts witch to th e X or X position .
Adaptive Highbeam
Assist Currently
Unavailable See
Operator' sM anual Adaptive Highbea mA ss is tisd eactivated and temporarily inoperative.
Possibl ec auses are: R
The windshield in th ec amera' sf ield of vision is dirty.R
Visibilit yisi mpaire dd ue to heav yr ain ,s no worf og .X
Clean th ew indshield.
If th es ystem detects that th ec amera is full yo perational again ,t he
Adaptive Highbeam Assist Now Available message is displayed.
Adaptive Highbea mA ss is tiso perational again .
Adaptive Highbeam
Assist Inoperative Adaptive Highbea mA ss is tisf aulty.X
Visit aq ualified specialist workshop .204
Display messages
On-boar dc omputer an dd isplays