2019 MERCEDES-BENZ GLA keyless

ProblemPossible causes/consequences andPPSolutions
You can no longer lockor unlock the vehicleusing KEYLESS-GO.
The SmartKey battery is discharged or nearly discharged.
XCheck the SmartKey battery (Ypage 72) and replace it if neces-sary (Ypage 72).
If this does not work:
XUnlock (Ypage 76) or lock (Ypage 77) the vehicle using themechanical key.
There is interference from a powerful source of radio waves.
XUnlock (Ypage 76) or lock (Ypage 77) the vehicle using themechanical key.
KEYLESS-GO is malfunctioning.
XLock/unlock the vehicle using the remote control function of theSmartKey.
XHave the vehicle and SmartKey checked at a qualified specialistworkshop.
If the vehicle can also not be locked/unlocked using the remotecontrol function:
XUnlock (Ypage 76) or lock (Ypage 77) the vehicle using themechanical key.
XHave the vehicle and SmartKey checked at a qualified specialistworkshop.
The engine cannot bestarted using the Smart-Key.
The on-board voltage is too low
XSwitch off non-essential consumers, e.g. seat heating or interiorlighting, and try to start the engine again.
If this does not work:
XCheck the starter battery and charge it if necessary(Ypage 294).
or
XJump-start the vehicle (Ypage 295).
or
XConsult a qualified specialist workshop.
The engine cannot bestarted using the Start/Stop button. The Smart-Key is in the vehicle.
The vehicle is locked.
XUnlock the vehicle and try to start the vehicle again.
The SmartKey battery is discharged or nearly discharged.
XCheck the SmartKey battery (Ypage 72) and replace it if neces-sary (Ypage 72).
If this does not work:
XStart your vehicle with the SmartKey in the ignition lock.
There is interference from a powerful source of radio waves.
XStart your vehicle with the SmartKey in the ignition lock.
74SmartKey
Opening and closing

XTo unlock:press buttonC.
XTo lock:press buttonD.If all the doors and the tailgate are closed,the vehicle locks.
Meanwhile, the fuel filler flap will not belocked or unlocked.
You cannot unlock the vehicle centrally fromthe inside if the vehicle has been locked withthe SmartKey or KEYLESS-GO.
You can open a door from inside the vehicleeven if it has been locked. You can open therear doors from inside the vehicle unless theyare secured by the child-proof lock(Ypage 59).
If the vehicle has previously been locked withthe SmartKey from the outside, opening a doorfrom the inside will trigger the anti-theft alarmsystem. Switch off the alarm (Ypage 68).
If a locked door is opened from the inside, theprevious unlock status of the vehicle will betaken into consideration if:
Rthe vehicle was locked using the lockingbutton for the central locking, or
Rif the vehicle was locked automatically
The vehicle will be fully unlocked if it had pre-viously been fully unlocked. If only the driver'sdoor had been previously unlocked, only thedoor which has been opened from the inside isunlocked.
Automatic locking feature
XTo deactivate:press and hold buttonCforapproximately five seconds until a tonesounds.
XTo activate:press and hold buttonDforapproximately five seconds until a tonesounds.
If you press one of the two buttons and do nothear a tone, the relevant setting has alreadybeen selected.
The vehicle is locked automatically when theignition is switched on and the wheels areturning.
You could therefore lock yourself out if:
Rthe vehicle is being pushed
Rthe vehicle is being towed
Rthe vehicle is on a roller dynamometer
You can also switch the automatic lockingfunction on and off using the on-board com-puter (Ypage 199).
Unlocking the driver's door (mechan-
ical key)
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, the anti-theft alarmsystem will be triggered. Switch off the alarm(Ypage 68).
XTake the mechanical key out of the Smart-Key (Ypage 71).
XInsert the mechanical key into the lock ofthe driver's door as far as it will go.
76Doors
Opening and closing

XTurn the mechanical key counter-clockwiseas far as it will go to positionG.The door is unlocked.
XTurn the mechanical key back and removeit.
XInsert mechanical key into the SmartKey(Ypage 72).
Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with theSmartKey or KEYLESS-GO, use the mechanicalkey.
XOpen the driver's door.
XClose the front-passenger door, the reardoors and the tailgate.
XPress the locking button on the driver’s door(Ypage 75).
XCheck whether the locking knobs on thefront-passenger door and the rear doors arestill visible. Press down the locking knobs byhand, if necessary.
XClose the driver's door.
XTake the mechanical key out of the Smart-Key (Ypage 71).
XInsert the mechanical key into the lock ofthe driver's door as far as it will go.
XTurn the mechanical key clockwise as far asit will go to positionG.
XTurn the mechanical key back and removeit.
XMake sure that the doors and the tailgateare locked.
XInsert mechanical key into the SmartKey(Ypage 72).
iIf you lock the vehicle as described above,the fuel filler flap is not locked. The anti-theft alarm system is not armed.
Cargo compartment
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 close button or STOP 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.
Cargo compartment77
Opening and closing
Z

GWARNING
If objects, luggage or loads are not secured
or not secured sufficiently, they could slip,
tip over or be flung around and thereby hit
vehicle occupants. There is a risk of injury,
particularly in the event of sudden braking
or a sudden change in direction.
Always store objects so that they cannot be
flung around. Secure objects, luggage or
loads against slipping or tipping before the
journey.
!The tailgate swings upwards and to therear when opened. Therefore, make surethat there is sufficient clearance above andbehind the tailgate.
The opening dimensions of the tailgate can befound in the "Vehicle data" section(Ypage 339).
You should preferably place luggage or loadsin the cargo compartment. Observe the load-ing guidelines (Ypage 250).
Do not leave the SmartKey in the cargo com-partment. You could otherwise lock yourselfout.
The tailgate can be:
Ropened and closed manually from outside
Rvehicles with EASY-PACK tailgate:opened/closed automatically from the out-side
Rvehicles with EASY-PACK tailgate:opened/closed automatically from theinside
Rvehicles with EASY-PACK tailgate andwith KEYLESS-GO or KEYLESS-GO startfunction:closed with the remote operatingswitch on the SmartKey
Rreleased with the emergency release fromthe inside
Tailgate obstruction detection with
reversing feature
On vehicles with an EASY-PACK tailgate, thetailgate is equipped with automatic obstaclerecognition with a reversing feature. If a solidobject blocks or restricts the tailgate whenautomatically opening or closing, this proce-dure is stopped. If the tailgate is stopped dur-
ing the closing process, the tailgate automati-cally opens again slightly. The automaticobstruction detection with reversing feature isonly an aid. It is not a substitute for your atten-tiveness when opening and closing the tail-gate.
GWARNING
The reversing feature does not respond:
Rto soft, light and thin objects, e.g. fingers
Rover the last 1/3 in (8 mm) of the closing
movement
The reversing feature cannot prevent some-
one from becoming trapped in these situa-
tions in particular. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
Rpress theTbutton on the SmartKey,
or
Rpull or press the remote operating switch
on the driver's door or
Rpress the closing button/STOP button in
the tailgate or
Rpull the handle on the tailgate
Vehicles with HANDS-FREE ACCESS:it isalso possible to stop the closing process byperforming a kicking movement under the rearbumper.
Opening and closing manually
Opening
78Cargo compartment
Opening and closing

XPress the6button on the SmartKey.
XPull handleC.
XLift the tailgate.
Closing
XPull the tailgate down using handleC.
XAllow the tailgate to drop into the lock.
XLock the vehicle if necessary with the7button on the SmartKey or with KEYLESS-GO.
Opening/closing automatically from
the outside
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 close button or STOP 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.
The opening dimensions of the tailgate can befound in the "Vehicle data" section(Ypage 339).
Opening automatically
You can open the tailgate automatically withthe SmartKey or the handle in the tailgate.
XPress and hold theTbutton on theSmartKey until the tailgate opens.
or
XIf the tailgate is unlocked, pull the handleand let it go again immediately.
Closing automatically
Vehicles with EASY-PACK tailgate:you canalso close the tailgate automatically from out-side.
Cargo compartment79
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