Get Lights and windscreen wipers Guide for Mercedes CLA 4 Door First Generation (2013-2018)

Exterior lighting

General notes

For reasons of safety, Mercedes-Benz recom-

mends that you drive with the lights switched on

even during the daytime. In some countries,

operation of the headlamps varies due to legal

requirements and self-imposed obligations.

Driving abroad

Symmetrical dipped beam

It is not necessary to switch your headlamps to

symmetrical dipped beam when driving in coun-

tries where vehicles are driven on the opposite

side of the road to the country in which the vehi-

cle is registered. Legal requirements are fulfilled

without switching the headlamps to symmetri-

cal dipped beam.

Setting the exterior lighting

Setting options

Exterior lighting can be set using the:

light switch

combination switch (Y page 109)

headlamp range adjustment (only vehicles

with halogen headlamps) (Y page 108)

on-board computer (Y page 211)

Light switch

Operation

1 W

Left-hand parking lamps

2 X

Right-hand parking lamps

3 T

Side lamps, licence plate and instru-

ment cluster lighting

4 Ã

Automatic headlamp mode, controlled

by the light sensor

Dipped-beam/main-beam headlamps

B R

Rear foglamp

If you hear a warning tone when you leave the

vehicle, the lights may still be switched on.

Turn the light switch to the Ã position.

The exterior lighting (except the side lamps or

parking lamps) switches off automatically if you:

remove the key from the ignition lock

open the driver's door with the key in posi-

tion 0 in the ignition lock

Automatic headlamp mode

Ã is the preferred light switch position. The

light setting is automatically selected according

to the brightness of the ambient light (excep-

tion: poor visibility due to weather conditions

such as fog, snow or spray):

Key in position 1 in the ignition lock: the side

lamps are switched on or off automatically

depending on light conditions.

With the engine running: depending on the

ambient light conditions, the daytime driving

lights or the side lamps and dipped-beam

headlamps are switched on or off automati-

cally

To switch on automatic headlamp mode:

turn the light switch to the Ã position.

WARNING

When the light switch is set to Ã, the

dipped-beam headlamps may not be switched

on automatically if there is fog, snow or other

causes of poor visibility due to the weather

conditions such as spray. There is a risk of an

accident.

In such situations, turn the light switch to

The automatic headlamp feature is only an aid.

The driver is responsible for the vehicle lighting

at all times.

The daytime driving lights improve the visibility

of your vehicle during the day.

If the side lamps and dipped-beam headlamps

are switched on, the green indicator lamps T

Exterior lighting

107

Lights and windscreen wipers

(side lamps) and L (dipped-beam head-

lamps) in the instrument cluster light up.

Dipped-beam headlamps

When the ignition is switched on and the light

switch is in the L position, the side lamps

and dipped-beam headlamps are switched on

even if the light sensor does not sense dark

ambient light conditions. This is advantageous

when there is fog or rain.

To switch on the dipped-beam headlamps:

turn the key in the ignition lock to position 2

or start the engine.

Turn the light switch to L.

The green L indicator lamp on the instru-

ment cluster lights up.

Rear foglamp

The rear foglamp improves the visibility of your

vehicle in heavy fog for the following traffic.

Please observe the country-specific laws on the

use of rear foglamps.

To switch on the rear foglamp: turn the key

in the ignition lock to position 2 or start the

engine.

Turn the light switch to L or Ã.

Press the R button.

The yellow R indicator lamp in the instru-

ment cluster lights up.

To switch off the rear foglamp:press the

R button.

The yellow R indicator lamp in the instru-

ment cluster goes out.

When the rear foglamp is switched on, the

centre brake lamp in the tail lamp switches off

due to a legal requirement.

Side lamps

When the battery is discharged heavily, the

side lamps or parking lamps are automatically

switched off to facilitate an engine start.

Always park your vehicle safely and in a well lit

area, in accordance with the relevant legal

stipulations. Avoid using the T side lamps

for periods lasting several hours. Where pos-

sible, switch on the right X or left W

parking lamp.

To switch on: turn the light switch to T.

The green T indicator lamp in the instru-

ment cluster lights up.

Parking lamps

Switching on the parking lamps ensures that the

corresponding side of the vehicle is illuminated.

To switch on the parking lamps: the key

should not be in the ignition lock or it should

be in position 0.

Turn the light switch to W (left-hand side of

the vehicle) or X (right-hand side of the

vehicle).

Adjusting the headlamp range (halogen

headlamps)

Driver's seat and front-passenger seat

occupied

Driver's seat, front-passenger seat and rear

seats occupied

Driver's seat, front-passenger seat and rear

seats occupied, luggage compartment

laden

Driver's and front-passenger seat occupied

and maximum permissible rear axle load uti-

lised, e.g. when towing a trailer

The headlamp range controller allows you to

adjust the cone of light from the headlamps to

suit the vehicle load.

Start the engine.

Turn the headlamp range controller to the

position that corresponds to the load in your

vehicle.

108

Exterior lighting

Lights and windscreen wipers

Combination switch

To indicate briefly:press the combination

switch briefly to the pressure point in the

direction of arrow ; or ?.

The corresponding turn signal flashes three

times.

To indicate: press the combination switch

beyond the pressure point in the direction of

arrow ; or ?.

To switch on the main-beam headlamps:

turn the light switch to L or Ã.

Press the combination switch beyond the

pressure point in the direction of arrow :.

The main-beam headlamps only switch on in

the Ã position if the dipped-beam head-

lamps are on.

The blue K indicator lamp in the instru-

ment cluster lights up when the main-beam

headlamps are switched on.

To switch off the main-beam headlamps:

move the combination switch back to its nor-

mal position.

The blue K indicator lamp in the instru-

ment cluster goes out.

Vehicles with Adaptive Highbeam Assist:

when Adaptive Highbeam Assist is active, it

controls activation and deactivation of the

main-beam headlamps (Y page 109).

To switch on the headlamp flasher: pull the

combination switch in the direction of

arrow =.

Hazard warning lamps

To switch on the hazard warning

lamps:press button :.

All turn signals flash. If you now switch on a

turn signal using the combination switch, only

the turn signal lamp on the corresponding

side of the vehicle will flash.

To switch off the hazard warning

lamps:press button :.

The hazard warning lamps switch on automati-

cally if:

an airbag has been triggered or

the vehicle decelerates rapidly from a speed

of above 70 km/h and comes to a standstill

The hazard warning lamps switch off automati-

cally if the vehicle reaches a speed of above

10 km/h again after a full brake application.

The hazard warning lamps continue to operate

even if the ignition is switched off.

Adaptive Highbeam Assist

General notes

You can use this function to set the headlamps

to switch automatically between dipped beam

and main beam. The system recognises vehicles

with their lights on, either approaching from the

opposite direction or travelling in front of your

vehicle, and consequently switches the head-

lamps from main beam to dipped beam. Once

the system no longer detects any other vehicles,

it switches on the main-beam headlamps again.

The system's optical sensor is located behind

the windscreen near the overhead control

panel.

Exterior lighting

109

Lights and windscreen wipers

Important safety notes

WARNING

Adaptive Highbeam Assist does not recognise

road users:

who have no lights, e.g. pedestrians

who have poor lighting, e.g. cyclists

whose lighting is blocked, e.g. by a barrier

On very rare occasions, Adaptive Highbeam

Assist may fail to recognise other road users

that have lights, or may recognise them too

late. In this, or in similar situations, the auto-

matic main-beam headlamps will not be deac-

tivated or will be activated despite the pres-

ence of other road users. There is a risk of an

accident.

Always carefully observe the traffic conditions

and switch off the main-beam headlamps in

good time.

Adaptive Highbeam Assist cannot take into

account road, weather or traffic conditions.

Adaptive Highbeam Assist is only an aid. You are

responsible for adjusting the vehicle's lighting

to the prevailing light, visibility and traffic con-

ditions.

In particular, the detection of obstacles can be

restricted if there is:

poor visibility, e.g. due to fog, heavy rain or

snow

dirt on the sensors or if the sensors are

obscured

Switching Adaptive Highbeam Assist

on/off

To switch on: turn the light switch to Ã.

Press the combination switch beyond the

pressure point in the direction of arrow :.

The _ indicator lamp in the multifunction

display lights up when it is dark and the light

sensor switches on the dipped-beam head-

lamps.

If you are driving at speeds above approx-

imately 30 km/h and no other road users are

recognised:

The main-beam headlamps are switched on

automatically. The K indicator lamp in the

instrument cluster also lights up.

If you are driving at speeds below 25 km/h or

other road users are recognised or the roads

are adequately lit:

the main-beam headlamps are switched off

automatically The K indicator lamp in the

instrument cluster goes out. The _ indi-

cator lamp in the multifunction display

remains lit.

To deactivate:move the combination switch

back to its normal position.

The _ indicator lamp in the multifunction

display goes out.

Headlamps misted up on the inside

Certain climatic and physical conditions may

cause moisture to form in the headlamp. This

moisture does not affect the functionality of the

headlamp.

Interior lighting

Overview of interior lighting

Front overhead control panel

p Switches the left-hand front reading

lamp on or off

;

c Switches the front interior lighting on

v Switches the rear interior lighting on/

off

| Switches the front interior lighting/

automatic interior lighting control off

p Switches the right-hand front reading

lamp on or off

Switches the automatic interior lighting con-

trol on

110

Interior lighting

Lights and windscreen wipers

Rear compartment control panel

p Switches the left-hand reading lamp

on/off

;

p Switches the right-hand reading lamp

on/off

Interior lighting control

General notes

In order to prevent the vehicle's battery from

discharging, the interior lighting functions are

automatically deactivated after some time

except for when the key is in position 2 in the

ignition lock.

The colour and brightness for the ambient light-

ing may be set via the multimedia system (see

the separate operating instructions).

Automatic interior lighting control

To switch on: set the switch to centre posi-

tion B.

To switch off: set the switch to the |

position.

The interior lighting automatically switches on if

you:

unlock the vehicle

open a door

remove the key from the ignition lock

The interior lighting is activated for a short time

when the key is removed from the ignition lock.

This delayed switch-off can be adjusted via the

multimedia system (see separate Owner's Man-

ual).

Replacing bulbs

Important safety notes

WARNING

Bulbs, lamps and plug connectors can

become very hot during use. When replacing a

bulb, you could burn yourself on these com-

ponents. There is a risk of injury.

Allow these components to cool down before

replacing the bulb.

Do not use a bulb if it has been dropped or if its

glass tube has been scratched.

The bulb may explode if:

you touch it

it is hot

you drop it

you scratch it

Use bulbs only in closed lamps that have been

designed for this purpose. Fit only spare bulbs of

the same type and the specified voltage.

Marks on the glass tube reduce the service life

of the bulb. 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 operation.

Do not allow bulbs to come into contact with

liquids.

Replace only the bulbs listed (Y page 112).

Have the bulbs that you cannot change yourself

replaced at a qualified specialist workshop.

If you require assistance replacing bulbs, con-

sult a qualified specialist workshop.

If the new bulb does not light up either, consult

a qualified specialist workshop.

Headlamps 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.

Vehicles with LED headlamps: the light clus-

ters of your vehicle are equipped with LED light

bulbs. Do not replace your vehicle's bulbs your-

self. Contact a qualified specialist workshop

with the necessary specialist knowledge and

tools to carry out the work required.

Replacing bulbs

111

Lights and windscreen wipers

Overview of bulb types

You can replace the following bulbs. The details

for the bulb types can be found in the legend.

Vehicles with halogen headlamps

Turn signal lamp: PY 21 W

;

Main-beam headlamp/daytime driving

lamp/side lamp/parking lamp: H15 55 W/

15 W

Dipped-beam headlamp: H7 55 W

Tail lamps (vehicles with halogen headlamps)

Rear foglamp: P 21 W

;

Brake lamp: W 16 W

Turn signal lamp: PY 21 W

Reversing lamp: W 16 W

Replacing front bulbs

Fitting/removing the cover on the front

wheel arch

You must remove the cover in the front wheel

arch before you can change the front turn signal

lamp.

To remove: switch off the lights.

Turn the front wheels inwards.

Turn rotary knob : through 90°.

Cover ; is released.

Push cover ; down.

To fit:push cover ; up.

Turn rotary knob : through 90°.

Cover ; is locked.

Dipped-beam headlamps (halogen

headlamps)

Remove the cover in the front wheel arch

(Y page 112).

Turn housing cover : anti-clockwise and

remove it.

Turn bulb holder ; anti-clockwise and pull

out.

Pull the bulb out of bulb holder ;.

112

Replacing bulbs

Lights and windscreen wipers

Insert the new bulb into bulb holder ;.

Insert bulb holder ; and turn it clockwise.

Press on housing cover : and turn it to the

right.

Replace the cover in the front wheel arch

(Y page 112).

Main-beam headlamps/daytime driving

lights/side lamps and parking lamps

(vehicles with halogen headlamps)

Switch off the lights.

Open the bonnet.

Turn housing cover : anti-clockwise and

remove it.

Turn bulb holder ; anti-clockwise and pull

out.

Insert the new bulb and engage it to the stop.

Press on housing cover : and turn it to the

right.

Turn signal lamp (halogen headlamps)

Switch off the lights.

Open the bonnet.

Turn bulb holder : anticlockwise and pull

out.

Turn the bulb anti-clockwise and pull it out of

bulb holder :.

Insert the new bulb into bulb holder :.

Insert 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 boot

before you can replace the bulbs in the tail

lamps.

To open: release right or left side trim

panel : at the top and fold it down in the

direction of the arrow.

To close: insert side panel :.

Tail lamps

Switch off the lights.

Open the boot.

Open the side trim panel (Y page 113).

Replacing bulbs

113

Lights and windscreen wipers

Press retaining clips : at the same time in

the direction of the arrows.

Carefully remove the bulb holder together

with the connected plug and the bulbs.

Bulb holder

;

Brake lamp

Rear fog lamp

Reversing light

Turn signal

Brake lamp and reversing lamp: remove

the corresponding bulb from the bulb holder.

Insert the new bulb into the bulb holder.

Rear foglamp and turn signal: press the

bulb gently into the bulb holder, turn it anti-

clockwise and remove it from the bulb holder.

Insert the new bulb into the bulb holder and

turn it clockwise.

Reinsert the bulb holder and engage on

retaining clips :.

Close the side trim panel (Y page 113).

Windscreen wipers

Switching the windscreen wipers on/

off

Do not operate the windscreen wipers when

the windscreen is dry, as this could damage

the wiper blades. Moreover, dust that has col-

lected on the windscreen can scratch the

glass if wiping takes place when the wind-

screen is dry.

If it is necessary to switch on the windscreen

wipers in dry weather conditions, always

operate them using washer fluid.

If the windscreen wipers leave smears on

the windscreen after the vehicle has been

washed in an automatic car wash, this may be

due to wax or other residue. Clean the wind-

screen with washer fluid after an automatic

car wash.

Combination switch

$ Windscreen wipers off

Ä Intermittent wipe, low (rain sensor set

to low sensitivity)

Å Intermittent wipe, high (rain sensor

set to high sensitivity)

° Continuous wipe, slow

¯ Continuous wipe, fast

í Single wipe/î wipes the wind-

screen using washer fluid

Turn the key to position 1 or 2 in the ignition

lock (Y page 133).

Turn the combination switch to the corre-

sponding position.

Vehicles with a rain sensor: if the wind-

screen becomes dirty in dry weather condi-

tions, the windscreen wipers may be activa-

ted inadvertently. This could damage the

windscreen wiper blades or scratch the wind-

screen.

For this reason, you should always switch off

the windscreen wipers in dry weather.

Vehicles with a rain sensor: in the Ä or Å

position, the appropriate wiping frequency 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, caus-

ing the windscreen wiper to wipe more fre-

quently.

If the wiper blades are worn, the windscreen will

no longer be wiped properly. This could mean

you are unable to observe the traffic conditions.

114

Windscreen wipers

Lights and windscreen wipers

Replacing the wiper blades

Important safety notes

WARNING

If the windscreen wipers begin to move while

you are changing the wiper blades, you can be

trapped by the wiper arm. There is a risk of

injury.

Always switch off the windscreen wipers and

ignition before changing the wiper blades.

To avoid damaging the windscreen wiper

blades, make sure that you touch only the

wiper arm of the windscreen wiper.

Never open the bonnet if a windscreen

wiper arm has been folded away from the

windscreen.

Never fold a windscreen wiper arm without a

wiper blade back onto the windscreen.

Hold the windscreen wiper arm firmly when

you change the wiper blade. If you release the

windscreen wiper arm without a wiper blade

and it falls onto the windscreen, the wind-

screen may be damaged by the force of the

impact.

Mercedes-Benz recommends that you have

the wiper blades changed at a qualified spe-

cialist workshop.

Replacing the windscreen wiper blades

Removing the wiper blades

Vehicles without KEYLESS-GO or KEY-

LESS-GO start function: remove the key

from the ignition lock.

Vehicles with KEYLESS-GO or KEYLESS-

GO start function: switch off the engine.

Fold the wiper arm away from the windscreen.

Hold on to the wiper arm with one hand. With

the other hand, turn the wiper blade in the

direction of arrow : away from the wiper arm

as far as it will go.

Slide catch ; in the direction of arrow =

until it engages in the removal position with a

noticeable click.

Remove the wiper blade in the direction of

arrow ? away from the wiper arm.

Fitting the wiper blades

Insert the new wiper blade into the wiper arm

in the direction of arrow :.

Windscreen wipers

115

Lights and windscreen wipers

Slide catch ; in the direction of arrow =

until it engages in the locking position with a

noticeable click.

Make sure that the wiper blade sits correctly.

Fold the wiper arm back onto the windscreen.

Remove protective film : of the service indi-

cator on the tip of the wiper blade.

If the colour of the service indicator changes

from black to yellow, the wiper blades should be

replaced.

The duration of the colour change varies

depending on the usage conditions.

Problems with the windscreen wipers

Problem

Possible causes/consequences and MM Solutions

The windscreen wipers

are jammed.

Leaves or snow, for example, may be obstructing windscreen wiper

movement. The wiper motor has been deactivated.

For safety reasons, you should remove the key from the ignition

lock.

Remove the cause of the obstruction.

Switch the windscreen wipers back on.

The windscreen wipers

fail completely.

The windscreen wiper drive is malfunctioning.

Select another wiper speed on the combination switch.

Have the windscreen wipers checked at a qualified specialist work-

shop.

The windscreen washer

fluid from the spray noz-

zles no longer hits the

centre of the wind-

screen.

The spray nozzles are misaligned.

Have the spray nozzles adjusted at a qualified specialist workshop.

116

Windscreen wipers

Lights and windscreen wipers

Lights and windscreen wipers for Your Mercedes CLA 4 Door First Generation (2013-2018)

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