2019 MERCEDES-BENZ GLA Owners Manual

daytime running lamps or low-beam head-lamps go out after 3 minutes.
When the engine is running, the vehicle is sta-tionary and in bright ambient light: if you turnthe light switch to the`position, the day-time running lamps and parking lamps turn on.
If the engine is running and you turn the lightswitch to theXposition, the manual set-tings take precedence over the daytime run-ning lamps.
USA only:
The daytime running lamps improve the visibil-ity of your vehicle during the day. To do this,the daytime running lamps function must beswitched on using the on-board computer(Ypage 199).
If the engine is running and you turn the lightswitch to the`orXposition, the man-ual settings take precedence over the daytimerunning lamps.
Low-beam headlamps
Even if the light sensor does not detect that itis dark, the parking lamps and low-beam head-lamps switch on when the ignition is switchedon and the light switch is set to theXposi-tion. This is a particularly useful function in theevent of rain and fog.
XTo switch on the low-beam headlamps:turn the SmartKey to positionHin the igni-tion lock or start the engine.
XTurn the light switch toX.The greenXindicator lamp in the instru-ment cluster lights up.
Front fog lamps
In conditions where visibility is poor due tofog, snow or rain, the fog lamps improve visi-bility as well as making it easier for other roadusers to see you. They can be operatedtogether with the parking lamps or togetherwith the parking lamps and low-beam head-lamps.
XTo switch on the fog lamps:turn theSmartKey to positionHin the ignition lockor start the engine.
XTurn the light switch toXorX.
XPress theZbutton.The greenZindicator lamp in the instru-ment cluster lights up.
XTo switch off the fog lamps:press theZbutton.The greenZindicator lamp in the instru-ment cluster goes out.
Rear fog lamp
The rear fog lamp improves visibility of yourvehicle for the traffic behind in the event ofthick fog. Please take note of the country-spe-cific regulations for the use of rear fog lamps.
XTo switch on the rear fog lamp:turn theSmartKey in the ignition lock to positionHor start the engine.
XTurn the light switch toXorX.
XPress the^button.The yellow^indicator lamp in the instru-ment cluster lights up.
XTo switch off the rear fog lamp:press the^button.The yellow^indicator lamp in the instru-ment cluster goes out.
Parking lamps
!If the battery charge is very low, the park-ing lamps or standing lamps are automati-cally switched off to enable the next enginestart. Always park your vehicle safely and ina well lit area, in accordance with the rele-vant legal stipulations. Avoid using the`parking lamps over a period of severalhours. If possible, switch on the right-handdor left-handcstanding lamps.
XTo switch on:turn the light switch to`.The green`indicator lamp in the instru-ment cluster lights up.
Standing lamps
Switching on the standing lamps ensures thecorresponding side of the vehicle is illumina-ted.
XTo switch on the standing lamps:theSmartKey is not in the ignition lock or it is inpositionZin the ignition lock.
XTurn the light switch toc(left-hand sideof the vehicle) ord(right-hand side ofthe vehicle).
Exterior lighting103
Lights and windshield wipers
Z

Combination switch
XTo indicate briefly:press the combinationswitch briefly to the pressure point in thedirection of arrowDor

direction you are turning, enabling better visi-bility in tight bends, for example. It can only beactivated when the low-beam headlamps areswitched on.
Active:
Rif you are driving at speeds below 25 mph(40 km/h) and switch on the turn signal orturn the steering wheel
Rif you are driving at speeds between 25 mph(40 km/h) and 45 mph (70 km/h) and turnthe steering wheel
The cornering lamp may remain lit for a shorttime, but is automatically switched off after nomore than three minutes.
Headlamps fogged up on the inside
Certain climatic and physical conditions maycause moisture to form in the headlamp. Thismoisture does not affect the functionality ofthe headlamp.
Interior lighting
Overview of interior lighting
Front overhead control panel
C=Switches the left-hand front readinglamp on or off
DJSwitches the front interior lighting on

Automatic interior lighting control
XTo switch on:set the switch to center posi-tion

Tail lamps (vehicles with halogen headlamps)
CBackup lamp: W 16 W
DTurn signal lamp: PY 21 W

XInsert the new bulb and engage it to thestop.
XPress on housing coverCand turn it to theright.
Turn signals (halogen headlamps)
XSwitch off the lights.
XOpen the hood.
XTurn bulb holderCcounter-clockwise andpull out.
XTurn the bulb counter-clockwise and pull itout of bulb holderC.
XInsert the new bulb into bulb holderC.
XInsert bulb holderCand turn it clockwiseuntil it engages.
Replacing rear bulbs
Opening and closing the side trim pan-
els
Left-hand side trim panel
You must open the side trim panel in the cargocompartment before you can replace the bulbsin the tail lamps.
XTo open:turn release knobCcounter-clockwise and remove side trim panelD.
XTo close:insert side trim panelDand turnrelease knobCclockwise.
Right-hand side trim panel
You must open the side trim panel in the cargocompartment before you can replace the bulbsin the tail lamps.
XTo open:release right-hand trim panelCatthe top and fold it down in the direction ofthe arrow.
XTo close:replace side panelingC.
Tail lamps
Due to their location, have the bulbs in thebackup lamp (vehicles with halogen head-lamps) and rear fog lamp in the tailgatechanged at a qualified specialist workshop.
XSwitch off the lights.
XOpen the cargo compartment.
XOpen the side trim panel (Ypage 108).
XRelease and remove connectorD.
XHold the tail lamp and unscrew fendernutC.
XRemove the tail lamp.
108Replacing bulbs
Lights and windshield wipers

Tail lamps
XLoosen screws

the windshield wiper blades or scratch thewindshield.
For this reason, you should always switchoff the windshield wipers in dry weather.
Vehicles with a rain sensor: in theborcposition, the appropriate wiping fre-quency is automatically set according to theintensity of the rain. In thecposition, therain sensor is more sensitive than in thebposition, causing the windshield wiper to wipemore frequently.
If the wiper blades are worn, the windshieldwill no longer be wiped properly. This couldprevent you from observing the traffic condi-tions.
Switching the rear window wiper
on/off
Combination switch
C