2016 MERCEDES-BENZ CLA headlamp

Vehicles with Adaptive Highbeam Assist:
when Adaptive Highbeam Assist is active, it
controls activation and deactivation of the
high-beam headlamps ( Y
page 118).
High-beam flasher X
To switch on: turn the SmartKey in the
ignition lock to position 1 or 2 , or start the
engine. X
Pull the combination switch in the direction
of arrow

Adaptive Highbeam Assist
Gene ra l notes
You can use this function to set th e head-
lamp s to chang e between low beam and high
beam automatically. The system recognizes
vehicles wit h their lights on , either approach-
ing from th e opposit e direction or traveling in
fron t of your vehicle, and consequentl y
switches th e headlamps from high beam to
low beam .
The system automatically adapt s th e low-
beam headlamp range depending on th e dis-
tance to th e other vehicle. On ce th e system
no longer detects any other vehicles, it reac -
tivates th e high-beam headlamps .
The system' s optical sensor is locate d behind
th e windshield near th e overhead control
panel. Import ant safety notes
G WARNIN G
Adaptive Highbea m Assis t does no t recogniz e
road users: R
who hav e no lights , e.g. pedestrian sR
who hav e poor lighting , e.g. cyclist sR
whos e lighting is blocked, e.g. by a barrier
In ver y rar e cases, Adaptive Highbea m Assis t
may fail to recogniz e other road user s that
hav e lights , or may recogniz e them to o late. In
this or similar situations, th e automatic high -
beam headlamp s will no t be deactivated or
activated regardless . There is a ris k of an acci-
dent.
Always carefully observ e th e traffic condition s
and switch off th e high-beam headlamp s in
goo d time.
Adaptive Highbeam As sist canno t tak e int o
accoun t road , weather or traffic conditions.
Adaptive Hig hbeam As sist is only an aid. You
are responsible for adj ust ing th e vehicle's
lighting to th e prevailing light, visibilit y and
traffic condition s.
In particular, th e detection of obstacles can
be restricted if there is: R
poor visibility, e.g. due to fog , heav y rain or
sn ow R
dirt on th e sensors or th e sensors are
obscured
Switching Adaptive Highbeam Assist
on/off X
To switch on: tur n th e ligh t switch to X .X
Pre ss th e combination switch beyon d th e
pressur e poin t in th e direction of arrow C .
The

The headlamp range is set automatically
depending on the distance between the
vehicle and other road users.
If you are driving at speeds above approx-
imately 35 mph (55 km/h) and no other
road users have been detected:
The high-beam headlamps are switched on
automatically. The W indicator lamp in
the instrument cluster also lights up.
If you are driving at speeds below approx-
imately 30 mph (45 km/h) or other road
users have been detected or the roads are
adequately lit:
The high-beam headlamps are switched off
automatically. The W indicator lamp in
the instrument cluster goes out. The

Do not use a bulb that has been dropped or if
its glass tube has been scratched.
The bulb may explode if: R
you touch it R
it is hot R
you drop it R
you scratch it
Only operate bulbs in enclosed lamps
designed for that purpose. Only install spare
bulbs of the same type and the specified volt-
age.
Marks on the glass tube reduce the service
life of the bulbs. Do not touch the glass tube
with your bare hands. If necessary, clean the
glass tube when cold with alcohol or spirit and
rub it off with a lint-free cloth.
Protect bulbs from moisture during opera-
tion. Do not allow bulbs to come into contact
with liquids.
There are bulbs other than the Xenon bulbs
that you cannot replace. Only replace the
bulbs listed ( Y
page 121). Have the bulbs that
you cannot replace yourself changed at a
qualified specialist workshop.
If you require assistance replacing bulbs, con-
sult a qualified specialist workshop.
If the new bulb still does not light up, consult
a qualified specialist workshop.
Bulbs and lamps are an important aspect of
vehicle sa
fety. Y ou must therefore make sure
th at these function correctly at all times.
Have the headlamp setting checked regularly.
Overview: changing bulbs/bulb types
You can replace the following bulbs. The bulb
type can be found in the legend. Vehicles with halogen headlamps
C
Turn signal lamp: PY 21 W D
Low-beam headlamp/daytime running
lamp/parking lamp/standing lamp:
H15 55 W/15 W

Changing the 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. X
To remove: switch off the lights.X
Turn the front wheels inwards. X
Turn rotary knob C through 90°.
Cover D is released.X
Push cover D down.X
To install: push cover D up.X
Turn rotary knob C through 90°.
Cover D is locked.
Low-beam headlamps (halogen head-
lamps)
X
Remove the cover in the front wheel hous-
ing ( Y
page 122).X
Turn housing cover C counter-clockwise
and remove it. X
Turn bulb holder D counter-clockwise and
pull out. X
Pull the bulb out of bulb holder D .X
Insert the new bulb into bulb holder D .X
Insert bulb holder 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 hous-
ing ( Y
page 122).
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 bulb D counter-clockwise and pull it
out. X
Insert the new bulb and engage it to the
stop. X
Press on housing cover C and turn it to the
right.122
Replacing bulbs
Lights and windshield wipers

Turn signals (halogen headlamps) X
Switch off the lights. X
Open the hood. X
Turn bulb holder C counter-clockwise and
pull out. X
Pull the bulb out of bulb holder C .X
Insert the new bulb into bulb holder C .X
Insert bulb holder C and turn it clockwise
until it engages.
Cornering light function (Xenon bulbs)
X
Switch off the lights. X
Open the hood. X
Turn housing cover C counter-clockwise
and remove it. X
Turn bulb holder D counter-clockwise and
pull out. X
Pull the bulb out of bulb holder D .X
Insert the new bulb into bulb holder D .X
Insert bulb holder D and turn it clockwise.X
Press on housing cover C and turn it to the
right. Changing the rear bulbs
Opening and closing the side trim pan-
els
View of right-hand side trim panel
You must open the side paneling 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 123).
X
Press retaining clips C at the same time in
the direction of the arrows. X
Carefully remove the bulb holder with the
contacted connectors and the bulbs. Replacing bulbs 123
Lights and windshield wiper s Z

Display messages
Possible causes/consequences and P Solutions
I Check Lef t Corner ‐
ing Light or Check
Right Cornering
Light The lef t or right-hand cornering ligh t is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Check Lef t Low
Bea m or Check
Right Low Bea m The lef t or right-hand low-beam headlamp is defective. X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Check Rea r Lef t
Tur n Signal or
Check Rea r Right
Tur n Signal The rear left-han d or rear right-hand tur n signal is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Check Front Lef t
Tur n Signal or
Check Front Right
Tur n Signal The fron t left-han d or fron t right-hand tur n signal is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Check Lef t Mirror
Tur n Signal or
Check
Right Mirror
Tur n Signal The tur n signal in th e left-han d or right-hand exterio r mirror is
defective. X
Visit a qualified specialist workshop .
I Check Center Brake
Lam p The high-mounte d brak e lamp is faulty.X
Visit a qualified specialist workshop .
I Check Lef t Brake
Lam p or Check
Right Brake Lam p The lef t or right-hand brak e lamp is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .240
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
I Check Lef t Tai l
Lam p or Check
Right Tai l Lam p The lef t or right-hand tai l lamp is defective.X
Visit a qualified specialist workshop .
I Check Front Lef t
Sidemarke r Lam p or
Check Front Right
Sidemarke r Lam p The fron t left-han d or fron t right-hand side marke r lamp is faulty.X
Visit a qualified specialist workshop .
I Check Rea r Lef t
Sidemarke r Lam p or
Check Rea r Right
Sidemarke r Lam p The rear left-han d or rear right-hand side marke r lamp is faulty.X
Visit a qualified specialist workshop .
I Check Lef t Daytim e
Runnin g Light or
Check Right Day ‐
tim e Runnin g Light The lef t or right-hand daytime running lamp is faulty. X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 120).
or X
Visit a qualified specialist workshop .
I Active Headlamps
Inoperative The active ligh t function is faulty.X
Visit a qualified specialist workshop .
I Malfunction See
Operator' s Manual The exterio r lighting is defective. X
Visit a qualified specialist workshop .
I Aut o Lam p Function
Inoperative The ligh t sensor is defective. X
Visit a qualified specialist workshop .
I Switch Off Lights The lights are still switched on when you leav e th e vehicle. A
warnin g tone also sounds. X
Tur n th e ligh t switch to th e X position .
I Switch On Headlamps You are drivin g wit h low-beam headlamp s switched off.X
Tur n th e ligh t switch to th e X or X position .242
Display messages
On-board computer and displays