2013-2019 Mercedes GLA SUV Lights and windshield wipers -> Replacing bulbs User Manual
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Lights and windshield wipers -> Replacing bulbs for Your Mercedes GLA SUV First Generation (2013-2019)

Replacing bulbs
Important safety notes
Xenon bulbs
G
DANGER
Xenon bulbs carry a high voltage. You can get
an electric shock if you remove the cover of
the Xenon bulb and touch the electrical con-
tacts. There is a risk of fatal injury.
Never touch the parts or the electrical con-
tacts of the Xenon bulb. Always have work on
the Xenon bulbs carried out at a qualified spe-
cialist workshop.
If your vehicle is equipped with Xenon bulbs,
you can recognize this by the following: the
cone of light from the Xenon bulbs moves
from the top to the bottom and back again
when you start the engine. For this to be
observed, the lights must be switched on
before starting the engine.
Bulbs and lamps are an important aspect of
vehicle safety. You must therefore make sure
that these function correctly at all times.
Have the headlamp setting checked regularly.
Other bulbs
G
WARNING
Bulbs, lamps and connectors can get very hot
when operating. If you change a bulb, you
could burn yourself on these components.
There is a risk of injury.
Allow these components to cool down before
changing a bulb.
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. Replace only the
bulbs listed (Y page 117). Have the bulbs that
you cannot replace yourself changed at a
qualified specialist workshop.
If you require assistance changing 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 safety. You must therefore make sure
that these function correctly at all times.
Have the headlamp setting checked regularly.
Overview: changing bulbs/bulb types
You can change the following bulbs. The bulb
type can be found in the legend.
Vehicles with halogen headlamps
:
Turn signal lamp: PY 21 W
;
High-beam headlamps/daytime running
lights: H15 55 W/15 W
=
Low-beam headlamps/parking lamps/
standing lamps: H7 55 W
Replacing bulbs
117
Lights and windshield wipers
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Vehicles with Bi-Xenon headlamps
:
Cornering lamp: H7 55 W
Tail lamps (vehicles with halogen headlamps)
:
Backup lamp: W 16 W
;
Rear fog lamp: H 21 W
=
Brake lamp: W 16 W
?
Turn signal lamp: PY 21 W
Changing the front bulbs
Removing and installing the cover in the
front wheel housing
You must remove the cover from the front
wheel housing before you can change the
front bulbs.
X
To remove: switch off the lights.
X
Turn the front wheels inwards.
X
Slide cover : up and remove it.
X
To install: insert cover : again and slide it
down until it engages.
Low-beam headlamps/parking and
standing lamps (halogen headlamps)
X
Remove the cover in the front wheel hous-
ing (Y page 118).
X
Turn housing cover : counter-clockwise
and pull it out.
X
Turn bulb holder ; counter-clockwise and
pull it out.
X
Take the bulb out of bulb holder ;.
X
Insert the new bulb into bulb holder ;.
X
Insert bulb holder ; into the lamp and turn
it clockwise.
X
Align housing cover : and turn it clock-
wise until it engages.
X
Replace the cover in the front wheel hous-
ing (Y page 118).
118
Replacing bulbs
Lights and windshield wipers
High-beam headlamps/daytime run-
ning lamps (halogen headlamps)
X
Switch off the lights.
X
Open the hood.
X
Turn housing cover : counter-clockwise
and pull it out.
X
Turn bulb ; counter-clockwise and pull it
out.
X
Insert the new bulb and engage it to the
stop.
X
Align housing cover : and turn it clock-
wise until it engages.
Turn signals (halogen headlamps)
X
Switch off the lights.
X
Open the hood.
X
Turn bulb holder : counter-clockwise and
pull it out.
X
Take the bulb out of bulb holder :.
X
Insert the new bulb into bulb holder :.
X
Insert bulb holder : and turn it clockwise
until it engages.
Cornering light function (Bi-Xenon
headlamps)
X
Switch off the lights.
X
Open the hood.
X
Turn housing cover : counter-clockwise
and pull it out.
X
Turn bulb holder ; counter-clockwise and
pull it out.
X
Take the bulb out of bulb holder ;.
X
Insert the new bulb into bulb holder ;.
X
Insert bulb holder ; into the lamp and turn
it clockwise.
X
Align housing cover : and turn it clock-
wise until it engages.
Changing the rear bulbs
Opening and closing the side trim pan-
els
You must open the side trim panel in the
cargo compartment before you can change
the bulbs in the tail lamps.
Replacing bulbs
119
Lights and windshield wipers
Z
Left-hand side trim panel
X
To open: turn release knob : counter-
clockwise and remove side trim panel ;.
X
To close: insert side trim panel ; and turn
release knob : clockwise.
Right-hand side trim panel
X
To open: release right-hand trim panel :
at the top and fold it down in the direction
of the arrow.
X
To close: insert side panel :.
Tail lamps
X
Release and remove connector ;.
X
Unscrew wing nut : and remove the lamp
cluster.
Lamp unit
X
Loosen screws = using a screwdriver.
X
Remove the bulb holder from the lamp clus-
ter.
Bulb holder
?
Turn signal
A
Brake lamp
X
Turn signal lamp: lightly press the bulb
into the bulb holder, turn it counter-clock-
wise and remove it from bulb holder.
X
Insert the new bulb into the bulb holder and
turn it clockwise.
X
Brake light: remove the corresponding
bulb from the bulb holder.
X
Insert the new bulb into the bulb holder.
X
Insert the bulb holder into the lamp unit and
fasten in place with screws =.
X
Insert the lamp unit into the vehicle.
120
Replacing bulbs
Lights and windshield wipers
X
Tighten wing nut ; and re-establish con-
tact with connector :.
X
Close the side trim panel (Y page 119).
Backup lamp and rear fog lamp
Due to their location, have the bulbs in the
backup lamp (vehicles with halogen head-
lamps) and rear fog lamp in the tailgate
changed at a qualified specialist workshop.
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 collected 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 wind-
shield wipers.
!
If the windshield wipers leave smears on
the windshield after the vehicle has been
washed in an automatic car wash, wax or
other residues may be the reason for this.
Clean the windshield using washer fluid
after washing the vehicle in an automatic
car wash.
Combination switch
1
$ Windshield wiper off
2
Ä Intermittent wipe, low (rain sensor
set to low sensitivity)
3
Å Intermittent wipe, high (rain sensor
set to high sensitivity)
4
° Continuous wipe, slow
5
¯ Continuous wipe, fast
B
í Single wipe/î To wipe the wind-
shield using washer fluid
X
Switch on the ignition.
X
Turn the combination switch to the corre-
sponding position.
!
Vehicles with a rain sensor: if the wind-
shield becomes dirty in dry weather condi-
tions, the windshield wipers may be activa-
ted 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.
Vehicles with a rain sensor: in the Ä or
Å position, the appropriate wiping fre-
quency is automatically set according to the
intensity of the rain. In the Å position, the
rain sensor is more sensitive than in the Ä
position, causing the windshield wipers to
wipe more frequently.
If the wiper blades are worn, the windshield
will no longer be wiped properly. This could
prevent you from observing the traffic condi-
tions.
Windshield wipers
121
Lights and windshield wipers
Z

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