2019 MERCEDES-BENZ GLA sensor

KEYLESS-GO start function
General notes
Bear in mind that the engine can be started byany of the vehicle occupants if there is aSmartKey in the vehicle.
Changing the settings of the locking
system
You can change the settings of the lockingsystem. This means that only the driver's doorand the fuel filler flap are unlocked when thevehicle is unlocked. This is useful if you fre-quently travel on your own.
XTo change the setting:press and hold the6and7buttons simultaneously forapproximately six seconds until the batteryindicator lamp flashes twice (Ypage 72).
If the setting of the locking system is changedwithin the signal range of the vehicle, pressingthe7or6button:
Rlocks or
Runlocks the vehicle
The SmartKey now functions as follows:
XTo unlock:press the6button once.
XTo unlock centrally:press the6buttontwice.
XTo lock centrally:press the7button.
The KEYLESS-GO function is changed as fol-lows:
XTo unlock the driver's door:touch theinner surface of the door handle on the driv-er's door.
XTo unlock centrally:touch the inner sur-face of the door handle on the front-passenger door or the rear door.
XTo lock centrally:touch the outer sensorsurface on one of the door handles.
XTo restore the factory settings:press andhold the6and7buttons simultane-ously for approximately six seconds until thebattery check lamp flashes twice(Ypage 72).
Mechanical key
General notes
If the vehicle can no longer be locked orunlocked with the SmartKey or KEYLESS-GO,use the mechanical key.
If you use the mechanical key to unlock andopen the driver's door or the trunk lid, theanti-theft alarm system will be triggered(Ypage 68).
There are several ways to turn off the alarm:
XTo deactivate the alarm with the key:press the6or7button on the key.
or
XInsert the SmartKey into the ignition lock.
or
XTo deactivate the alarm with KEYLESS-GO:press the Start/Stop button in the igni-tion lock. The SmartKey must be in the vehi-cle.
or
XLock or unlock the vehicle using KEYLESS-GO. The SmartKey must be outside the vehi-cle.
If you unlock the vehicle using the mechanicalkey, the fuel filler flap will not be unlockedautomatically.
XTo unlock the fuel filler flap:insert theSmartKey into the ignition lock.
Removing the mechanical key
SmartKey71
Opening and closing
Z

XTo close:press buttonCon the tailgate.
or
XVehicles with EASY-PACK tailgate andKEYLESS-GO or KEYLESS-GO start func-tion:if the SmartKey is located in the imme-diate vicinity of the vehicle, press theTbutton on the SmartKey.You can release the button as soon as thetailgate starts to close.
XTo stop the closing process: press but-tonCon the tailgate again.
or
XPull the handle in the tailgate.
or
XPress theTbutton on the SmartKeyuntil the tailgate stops.
or
XPress or pull the remote operating switch onthe driver's door.
HANDS-FREE ACCESS
Important safety notes
GWARNING
The vehicle exhaust system can become
very hot. If you use HANDS-FREE ACCESS,
you could burn yourself by touching the
exhaust system. There is a risk of injury.
Always ensure that you make the kicking
movement only within the detection range of
the sensors.
!If the SmartKey is within the rear detectionrange of KEYLESS-GO, the following situa-tions, for example, could lead to the unin-tentional opening of the tailgate:
Rwhen using an automatic car wash
Rwhen using a power washer
Make sure that the SmartKey is at least10 ft (3m) away fromthe vehicle.
iYou can also deactivate KEYLESS-GO. Fur-ther information on deactivating and activat-ing KEYLESS-GO (Ypage 70).
General notes
With KEYLESS-GO and HANDS-FREE ACCESS,you can open or close the tailgate or stop theprocedure without using your hands. This isuseful if you have your hands full. To do this,make a kicking movement under the bumperwith your foot.
Observe the following points:
RCarry your KEYLESS-GO key about your per-son. The SmartKey must be at the rear ofthe vehicle in the detection range of KEY-LESS-GO.
RWhen making the kicking movement, makesure that you are standing firmly on theground and that there is sufficient clearanceto the rear of the vehicle. You could other-wise lose your balance, for example on ice.
RAlways ensure that you only make the kick-ing movement within the detection range ofsensorsC.
RStand at least 12 in (30 cm) away from therear area while doing so.
RDo not come into contact with the bumperwhile making the kicking movement. Other-wise, the sensors may not function cor-rectly.
RHANDS-FREE ACCESS does not functionduring engine start.
RDirt caused by road salt or snow aroundsensorsCmay restrict functionality.
Using the HANDS-FREE ACCESS with aprosthetic leg may restrict functionality.
RIf a KEYLESS-GO key is at the rear of thevehicle in the detection range of KEYLESS-GO, HANDS-FREE ACCESS could be trig-
80Cargo compartment
Opening and closing

gered. The tailgate could thus be opened orclosed unintentionally, for example, if you:
-set something down or lift something upbehind the vehicle.
-polish the rear of the vehicle.
Do not carry the KEYLESS-GO key aboutyour person in these situations or in situa-tions similar to these. This will prevent theunintentional opening/closing of the tail-gate.
Operation
XTo open/close:kick your foot into sensordetection zoneCbelow the bumper.Two warning tones sound while the tailgateis opening or closing.
XIf the tailgate does not open/close afterseveral attempts:wait at least ten sec-onds, using your foot kick under the bumperagain.
If you hold your foot under the bumper for toolong, the tailgate does not open or close.Repeat the leg movement more quickly if thisoccurs.
To stop the opening or closing procedure:
Rkick with your foot into sensor detectionrangeCunder the bumper, or
Rpull the handle on the outside of the tail-gate, or
Rpress the closing button on the tailgate, or
Rpress theTbutton on the SmartKey
If the tailgate closing procedure has beenstopped:
Rkick your foot under the bumper again andthe tailgate will open.
If the tailgate opening procedure has beenstopped:
Rkick your foot under the bumper again andthe tailgate will close.
Opening/closing automatically from
inside
Important safety notes
GWARNING
Parts of the body could become trapped
during automatic closing of the tailgate.
Moreover, people, e.g. children, may be
standing in the closing area or may enter the
closing area during the closing process.
There is a risk of injury.
Make sure that nobody is in the vicinity of
the closing area during the closing process.
Use one of the following options to stop the
closing process:
Rpress theTbutton on the SmartKey.
Rpull or press the remote operating switch
on the driver's door.
Rpress the closing or locking button on the
tailgate.
Rpull the handle on the tailgate
GDANGER
Combustion engines emit poisonous
exhaust gases such as carbon monoxide.
Exhaust gases can enter the vehicle interior
if the tailgate is open while the engine is
running, especially if the vehicle is in
motion. There is a risk of poisoning.
Always switch off the engine before opening
the tailgate. Never drive with the tailgate
open.
!The tailgate swings upwards and to therear when opened. Therefore, make surethat there is sufficient clearance above andbehind the tailgate.
Two warning tones sound while the tailgate isopening or closing.
Cargo compartment81
Opening and closing
Z

XPress and hold the6button until theside windows and the panorama sunroof arein the desired position.If the roller sunblind of the panorama roofwith power tilt/sliding panel is closed, theroller sunblind is opened first.
XPress and hold the6button once moreuntil the panorama roof with power tilt/slid-ing panel reaches the desired position.
XTo interrupt convenience opening:release the6button.
Convenience closing feature
Important safety notes
GWARNING
When the convenience closing feature is
operating, parts of the body could become
trapped in the closing area of the side win-
dow and the sliding sunroof. There is a risk
of injury.
Observe the complete closing procedure
when the convenience closing feature is
operating. Make sure that no body parts are
in close proximity during the closing proce-
dure.
Vehicles with KEYLESS-GO or KEYLESS-GOstart function:you can do the following at thesame time:
Rlock the vehicle
Rclose the side windows
Rclose the panorama roof with power tilt/sliding panel
On vehicles with a panorama roof with powertilt/sliding panel, you can then close the rollersunblind.
iNotes on the automatic reversing featurefor:
RThe side window (Ypage 83)
RThe panorama roof with power tilt/slidingpanel (Ypage 88)
RThe roller sunblind (Ypage 89)
Using the SmartKey
XVehicles with KEYLESS-GO or KEYLESS-GO start function:for the following opera-tions, point the tip of the SmartKey at thehandle on the driver's door. The SmartKeymust be close to the driver's door handle.
iVehicles with KEYLESS-GO or KEYLESS-GO start function:the SmartKey must bein close proximity to the vehicle.
XPress and hold the7button until theside windows and the panorama sliding sun-roof are fully closed.
XMake sure that all the side windows and thepanorama roof with power tilt/sliding panelare closed.
On vehicles with a panorama roof with powertilt/sliding panel:
XPress and hold the7button again untilthe roller sunblind of the panorama slidingsunroof closes.
XTo interrupt convenience closing:releasethe7button.
Using KEYLESS-GO
The driver's door and the door at which thehandle is used, must both be closed. TheSmartKey must be outside the vehicle. Thegap between the SmartKey and the corre-sponding door handle should not be greaterthan 3 ft (1 m).
XTouch recessed sensor surfaceCon thedoor handle until the side windows and thepanorama roof with power tilt/sliding panelare fully closed.
iMake sure you only touch recessed sensorsurfaceC.
Side windows85
Opening and closing
Z

XMake sure that all the side windows areclosed.
XMake sure that all the side windows and thepanorama roof with power tilt/sliding panelare closed.
On vehicles with a panorama roof with powertilt/sliding panel:
XTouch recessed sensor surfaceCon thedoor handle again until the roller sunblind ofthe panorama roof with power tilt/slidingpanel closes.
XTo interrupt convenience closing:releaserecessed sensor surfaceCon the doorhandle.
Resetting the side windows
If a side window can no longer be closed fully,you must reset it.
XClose all the doors.
XTurn the SmartKey to positionGorHinthe ignition lock (Ypage 125).
XPull the corresponding switch on the doorcontrol panel until the side window is com-pletely closed (Ypage 84).
XHold the switch for an additional second.
If the side window opens again slightly:
XImmediately pull the corresponding switchon the door control panel until the side win-dow is completely closed (Ypage 84).
XHold the switch for an additional second.
XIf the respective side window remainsclosed after the button is released, then ithas been set correctly. If this is not thecase, repeat the steps above.
Problems with the side windows
GWARNING
If you close a side window again immediately after it has been blocked or reset, the side win-
dow closes with increased or maximum force. The reversing feature is then not active. Parts of
the body could be trapped in the closing area in the process. This poses an increased risk of
injury or even fatal injury.
Make sure that no parts of the body are in the closing area. To stop the closing process,
release the switch or push the switch again to reopen the side window.
86Side windows
Opening and closing

XTurn the SmartKey to positionGorHinthe ignition lock (Ypage 125).
XPress or pull theWswitch in the corre-sponding direction.
If you press/pull theWswitch beyond thepoint of resistance, automatic operation isstarted in the corresponding direction. Youcan stop automatic operation by pressing/pulling the switch again.
After opening the sliding sunroof, the rollersunblind closes slightly automatically. Thisreduces drafts in the vehicle interior.
If the sliding sunroof is raised at the rear, itlowers slightly automatically at higher speeds.The noise level in the vehicle interior isreduced as a result.
At low speeds it raises again automatically.
You can also temporarily deactivate automaticlowering. To do so, press theWswitch. Thesliding sunroof raises again automatically.
You can continue to operate the sliding sun-roof after switching off the engine or removingthe SmartKey from the ignition lock. This func-tion remains active for five minutes or untilyou open a front door.
The sliding sunroof cannot be opened if a roofcarrier is installed. In order to allow ventilationof the vehicle interior, you can raise the slidingsunroof.
If contact is made with a roof carrier approvedby Mercedes-Benz, the sliding sunroof lowersslightly but remains raised at the rear.
Rain-closing feature
The rain-closing feature is only available forvehicles with a rain sensor.
When the SmartKey is in positionZin theignition lock or is removed, the sliding sunroofcloses automatically:
Rif it starts to rain.
Rat extreme outside temperatures.
Rafter six hours.
Rif there is a malfunction in the power supply.
The panorama roof with power tilt/slidingpanel remains raised at the rear in order toallow ventilation of the vehicle interior.
If the panorama roof with power tilt/slidingpanel is obstructed while being closed by therain-closing feature, it opens again slightly.The rain-closing feature is then deactivated.
The panorama roof with power tilt/slidingpanel does not close if:
Rit is raised at the rear.
Rit is blocked.
Rno rain is falling on the area of the wind-shield being monitored by the rain sensor. Ifthe vehicle, for example, is under a bridge orin a carport, the field of the sensor may becovered.
Operating the roller sunblind for the
panorama roof with power tilt/slid-
ing panel
Important safety notes
GWARNING
Parts of the body could become trapped
between the roller sunblind and frame or
sliding sunroof during automatic opening or
closing. There is a risk of injury.
When opening or closing, make sure that no
body parts are in the sweep of the roller
sunblind.
If somebody becomes trapped:
Rrelease the switch immediately, or
Rduring automatic operation, push the
switch briefly in any direction
The opening or closing procedure will be
stopped.
The roller sunblind shields the vehicle interiorfrom sunlight. The roller sunblind can only beopened and closed when the panorama roofwith power tilt/sliding panel is closed.
Roller sunblind reversing feature
The roller sunblind is equipped with an auto-matic reversing feature. If a solid object blocksor restricts the roller sunblind during the clos-ing process, the roller sunblind opens againautomatically. The automatic reversing featureis only an aid and is not a substitute for yourattentiveness when closing the roller sunblind.
Panorama roof with power tilt/sliding panel89
Opening and closing
Z

If you come into contact with the electro-
lyte, observe the following:
RRinse off the electrolyte from your skin
immediately with water.
RImmediately rinse the electrolyte out of
your eyes thoroughly with clean water.
RIf the electrolyte is swallowed, immedi-
ately rinse your mouth out thoroughly. Do
not induce vomiting.
RIf electrolyte comes into contact with your
skin or hair or is swallowed, seek medical
attention immediately.
RImmediately change out of clothing which
has come into contact with electrolyte.
RIf an allergic reaction occurs, seek medi-
cal attention immediately.
The "Automatic anti-glare mirrors" function isonly available if the vehicle is equipped withthe "Mirrors package".
The rear-view mirror and the exterior mirror onthe driver's side automatically go into anti-glare mode if:
Rthe ignition is switched on and
Rincident light from headlamps strikes thesensor in the rear-view mirror
The mirrors do not go into anti-glare mode ifreverse gear is engaged or if the interior light-ing is switched on.
Parking position for the exterior mir-
ror on the front-passenger side
Setting and storing the parking posi-
tion
You can set the front-passenger side exteriormirror such that you can see the rear wheel onthat side as soon as you engage reverse gear.You can store this position.
CButton for the driver's side exterior mirror
DButton for the front-passenger side exte-rior mirror

Exterior lighting
General notes
For reasons of safety, Mercedes-Benz recom-mends that you drive with the lights switchedon even during the daytime. In some coun-tries, operation of the headlamps varies due tolegal requirements and self-imposed obliga-tions.
Setting the exterior lighting
Setting options
Exterior lighting can be set using the:
Rlight switch
Rcombination switch (Ypage 104)
Ron-board computer (Ypage 199)
Light switch
Operation
GcLeft-hand standing lamps
HdRight-hand standing lamps
I`Parking lamps, license plate andinstrument cluster lighting
JXAutomatic headlamp mode, control-led by the light sensor
KXLow-beam/high-beam headlamps