2019 MERCEDES-BENZ GLC start stop button

ProblemPossible causes/consequences andPPSolutions
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 remote con-trol function:
XLock or unlock the vehicle using the mechanical key (Ypage 84).
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 321).
or
XJump-start the vehicle (Ypage 322).
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 80) and replace it if necessary(Ypage 80).
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.
You have lost a Smart-Key.XHave the SmartKey deactivated at a qualified specialist workshop.
XReport the loss immediately to the vehicle insurers.
XIf necessary, have the locks changed as well.
You have lost themechanical key.XReport the loss immediately to the vehicle insurers.
XIf necessary, have the locks changed as well.
82SmartKey
Opening and closing

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.
Rpress the top of the star on the tailgate.
Vehicles with HANDS-FREE ACCESS:
You can also stop the closing process by per-forming a kicking movement under the rearbumper.
!The tailgate swings upwards and to the rearwhen opened. Therefore, make sure thatthere is sufficient clearance above and behindthe 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 363).
Opening automatically
You can open the tailgate automatically usingthe SmartKey or by pressing the top of starCon the tailgate.
XPress and hold theTbutton on the Smart-Key until the tailgate opens.
or
XWith the tailgate unlocked, press the top ofstarC.
or
XWith the tailgate stopped in an intermediateposition, pull the tailgate upwards.You can release the tailgate as soon as thetailgate starts to open.
XWhen the rearview camera is activated:pull on folded-out starC.The tailgate opens.
Closing automatically
CClosing button
DLocking button
XPress closing buttonCin the tailgate.
or
XPull the tailgate down slightly.You can release the tailgate as soon as thetailgate starts to close.
When the driver's door is closed, you can simul-taneously close the tailgate and lock the vehicle.The SmartKey must be at the rear of the vehiclein the detection range of KEYLESS-GO.
XPress locking buttonDin the tailgate.If KEYLESS-GO detects a SmartKey outsidethe vehicle, the tailgate closes. The vehicle islocked.
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.
If KEYLESS-GO detects a SmartKey in the cargocompartment, the tailgate is unlocked againafter closing.
If KEYLESS-GO detects a second SmartKey out-side the vehicle, the tailgate remains locked.
86Cargo compartment
Opening and closing

iThe steering wheel only moves up if it hasnot already reached the upper steering lim-iter.
Position of the steering wheel for driv-
ing
The steering wheel is moved to the last selectedposition when:
Rthe driver's door is closed and you insert theSmartKey into the ignition lock
Ryou close the driver's door when the ignitionis switched on
Ryou press the Start/Stop button once in vehi-cles with KEYLESS-GO or the KEYLESS-GOstart function
iThe steering wheel only returns to the lastset position if the driving position is storedafter the seat or steering column has beenadjusted (Ypage 107).
The most recent driving position of the steeringwheel is stored if:
Rthe ignition is switched off
Rthe setting is stored using the memory func-tion (Ypage 107)
Crash-responsive EASY-EXIT feature
If the crash-responsive EASY-EXIT feature is trig-gered in an accident, the steering column willmove up when the driver's door is opened or theSmartKey is removed from the ignition lock. Thismakes it easier to exit the vehicle and rescue theoccupants.
The crash-responsive EASY-EXIT feature isoperational only if the EASY-EXIT/ENTRY fea-ture is activated in the multimedia system (seeDigital Operator's Manual).
Mirrors
Exterior mirrors
Important safety notes
GWARNING
You could lose control of your vehicle if you do
the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt
before starting the engine.
GWARNING
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the dis-
tance from road users traveling behind, e.g.
when changing lane. There is a risk of an acci-
dent.
For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder.
Adjusting the exterior mirrors
XTurn the SmartKey to positionGorHin theignition lock (Ypage 131).
XExterior mirror on the front-passenger side:press buttonD.
104Mirrors
Seats, steering wheel and mirrors

Vehicles with 3-zone automatic climate control:use the "Residual heat" function if you want toheat or ventilate the vehicle interior when theignition is switched off. The residual heat func-tion can only be activated or deactivated withthe ignition switched off. The residual heat func-tion is deactivated when the ignition is switchedon.
DYNAMIC SELECT switch (except
Mercedes-AMG GLC 63 4MATIC/
GLC 63 S 4MATIC)
You can choose between various drive programswith the DYNAMIC SELECT switch(Ypage 139).
If you have selected drive programE:
Rwhen heating, the electrical heater booster isdeactivated and heat output is reduced as aresult
Rthe rear window defroster running time isreduced
If you have selected drive programC,SorS+,the current climate settings are maintained.
ECO start/stop function
During automatic engine switch-off, the climatecontrol system only operates at a reduced capa-city. If you require the full climate control output,you can switch off the ECO start/stop functionby pressing the ECO button (Ypage 137).
Operating the climate control sys-
tems
Activating/deactivating climate con-
trol
General notes
When the climate control is switched off, the airsupply and air circulation are also switched off.The windows could fog up. Therefore, switch offclimate control only briefly
Switch on climate control primarily using theXrocker switch (Ypage 123).
Activating/deactivating
XTurn the SmartKey to positionHin the igni-tion lock (Ypage 131).
XTo switch on:set the airflow to level1orhigher using theHrocker switch.
XTo switch off:set the airflow to level0usingtheHrocker switch.
i3-zone automatic climate control: when cli-mate control is switched off, "OFF" appears inthe rear-compartment display.
Switching cooling with air dehumidification on/off
General notes
If you deactivate the "Cooling with air-dehumidification" function, the air inside the vehicle will notbe cooled. The air inside the vehicle will also not be dehumidified. The windows can fog up morequickly. Therefore, only deactivate the "Cooling with air-dehumidification" function briefly.
The "Cooling with air dehumidification" function is only available when the engine is running. The airinside the vehicle is cooled and dehumidified according to the temperature selected.
Condensation may drip from the underside of the vehicle when it is in cooling mode. This is normaland not a sign that there is a malfunction.
Activating/deactivating
XPress theZrocker switch up or down.The indicator lamp above the rocker switch lights up or goes out.
122Operating the climate control systems
Climate control

GWARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect,
for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There is a risk
of an accident.
Do not switch off the ignition while driving.
GWARNING
If the parking brake has not been fully
released when driving, the parking brake can:
Roverheat and cause a fire
Rlose its hold function.
There is a risk of fire and an accident. Release
the parking brake fully before driving off.
!Do not warm up the engine while stationary.Pull away immediately. Avoid high enginespeeds and full throttle until the engine hasreached its operating temperature.
In vehicles with automatic transmission,engage positions P and R only when the vehi-cle is stationary.
Where possible, avoid spinning the drivewheels when pulling away on slippery roads.You could otherwise damage the drive train.
!Mercedes-AMG vehicles:at low engine oiltemperatures below 68 ‡ (+20 †), the max-imum engine speed is restricted in order toprotect the engine. To protect the engine andmaintain smooth engine operation, avoid driv-ing at full throttle when the engine is cold.
Key positions
SmartKey
ZTo remove the SmartKey
GPower supply for some consumers, such asthe windshield wipers
HIgnition (power supply for all consumers)and drive position
ITo start the engine
iThe SmartKey can be turned in the ignitionlock even if it is not the correct SmartKey forthe vehicle. The ignition is not switched on.The engine cannot be started.
Start/Stop button
General notes
When you insert the Start/Stop button into theignition lock, the system needs approximatelytwo seconds recognition time. You can then usethe Start/Stop button.
Pressing the Start/Stop button several times insuccession corresponds to the different Smart-Key positions in the ignition lock. This is only thecase if you are not depressing the brake pedal.
If you depress the brake pedal and press theStart/Stop button, the engine starts immedi-ately.
A check which periodically establishes a radioconnection between the vehicle and the Smart-Key determines whether a valid SmartKey is inthe vehicle. This occurs, for example, whenstarting the engine.
Driving131
Driving and parking
Z

To start the vehicle without actively using theSmartKey:
Rthe Start/Stop button must be inserted in theignition lock.
Rthe SmartKey must be in the vehicle.
Rthe vehicle must not be locked with theSmartKey or KEYLESS-GO. (Ypage 78)
Do not keep the SmartKey:
Rwith electronic devices, e.g. a mobile phoneor another SmartKey.
Rwith metallic objects, e.g. coins or metal foil.
Rinside metallic objects, e.g. a metal case.
This can affect the functionality of the Smart-Key.
If you lock the vehicle with the SmartKey remotecontrol or with KEYLESS-GO, after a short time:
Ryou will not be able to switch on the ignitionwith the Start/Stop button.
Ryou will no longer be able to start the enginewith the Start/Stop button until the vehicle isunlocked again.
If you lock the vehicle centrally using the buttonon the front door (Ypage 83), you can continueto start the engine with the Start/Stop button.
The engine can be switched off while the vehicleis in motion by pressing and holding the Start/Stop button for three seconds. This functionoperates independently of the ECO start/stopautomatic engine switch-off function.
Key positions with the Start/Stop button
CStart/Stop button
DIgnition lock
As soon as the ignition is switched on, all theindicator lamps in the instrument cluster lightup. Warning and indicator lamps: see(Ypage 256).
If Start/Stop buttonChas not yet beenpressed, this corresponds to the SmartKeybeing removed from the ignition.
XTo switch on the power supply:pressStart/Stop buttonConce.The power supply is switched on. You can nowactivate the windshield wipers, for example.
The power supply is switched off again if:
Rthe driver's door is opened and
Ryou press Start/Stop buttonCtwice when inthis position
XTo switch on the ignition:press Start/StopbuttonCtwice.The ignition is switched on.
The ignition is switched off again if:
Ryou do not start the engine from this positionwithin 15 minutes
Ryou press Start/Stop buttonConce when inthis position
The power supply is switched off again if:
Rthe driver's door is opened and
Ryou press Start/Stop buttonConce when inthis position
Removing the Start/Stop button
You can remove the Start/Stop button from theignition lock and start the vehicle as normalusing the SmartKey.
It is possible to switch between Start/Stop but-ton mode and key operation only when thetransmission is in position].
XRemove Start/Stop buttonCfrom ignitionlockD.
You do not have to remove the Start/Stop but-ton from the ignition lock when you leave thevehicle. You should, however, always take theSmartKey with you when leaving the vehicle. Aslong as the SmartKey is in the vehicle:
Rthe vehicle can be started using the Start/Stop button
Rthe electrically powered equipment can beoperated
132Driving
Driving and parking

Starting the engine
Important safety notes
GWARNING
If children are left unsupervised in the vehicle,
they could:
Ropen the doors, thus endangering other
people or road users.
Rget out and disrupt traffic.
Roperate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake.
Rshifting the automatic transmission out of
park positionP
RStart the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children.
GDANGER
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases is hazardous to health
and can result in poisoning. There is a risk of
fatal injury. Therefore, never leave the engine
running an enclosed space without adequate
ventilation.
GWARNING
Flammable materials introduced through
environmental influence or by animals can
ignite if in contact with the exhaust system or
parts of the engine that heat up. There is a risk
of fire.
Carry out regular checks to make sure that
there are no flammable foreign materials in
the engine compartment or in the exhaust
system.
General notes
The catalytic converter is preheated for up to30 seconds after a cold start. The sound of theengine may change during this time.
Automatic transmission
XShift the transmission to position](Ypage 141).The transmission position indicator on themultifunction display shows](Ypage 142).
iYou can start the engine in transmissionposition]and\\.
Starting procedure with the SmartKey
To start the engine using the SmartKey insteadof the Start/Stop button, pull the Start/Stopbutton out of the ignition lock.
XTurn the SmartKey to positionIin the igni-tion lock and release it as soon as the engineis running.
If the engine will not start:
XRemove the SmartKey from the ignition lock.
XReinsert the SmartKey into the ignition lockafter a short waiting period.
XTurn the SmartKey to positionHin the igni-tion lock (Ypage 131).The indicator lamps in the instrument clusterlight up (Ypage 256).
XTurn the SmartKey to positionIin the igni-tion lock (Ypage 131) and release it as soonas the engine is running.
Starting procedure with the Start/Stop
button
The Start/Stop button is only available on vehi-cles with KEYLESS-GO or the KEYLESS-GO startfunction.
The Start/Stop button can be used to start thevehicle manually without inserting the SmartKeyinto the ignition lock. The Start/Stop buttonmust be inserted in the ignition lock and theSmartKey must be in the vehicle. This mode forstarting the engine operates independently ofthe ECO start/stop automatic engine start func-tion.
You can start the engine if a valid SmartKey is inthe vehicle. Switch off the engine and always
Driving133
Driving and parking
Z

take the SmartKey with you when leaving thevehicle, even if you only leave it for a short time.Pay attention to the important safety notes.
XDepress the brake pedal and keep itdepressed.
XPress the Start/Stop button once(Ypage 132).The engine starts.
Starting procedure via smartphone
Observe the important safety notes on startingthe engine (Ypage 133).
You can also start your engine via your smart-phone from outside the vehicle. In this case, thepreviously selected climate control setting isactivated. In this way you can cool or heat theinterior of the vehicle before starting the jour-ney.
Only start the engine via your smartphone if it issafe to start and run the engine where your vehi-cle is parked.
Observe the legal stipulations in the area whereyour vehicle is parked. Engine start via smart-phone may be limited to certain countries orregions.
You can execute a maximum of two consecutivestarting attempts via your smartphone. If youpress the start/stop button or insert the Smart-Key into the ignition lock, you can carry out twomore starting attempts with your smartphone.
The engine runs for ten minutes when startingwith the smartphone.
Once you have started the engine, you canswitch the engine off via your smartphone at anytime.
You can only start the engine via your smart-phone if:
Rthe SmartKey is in the ignition lock
Rpark position]is selected
Rthe accelerator pedal is not depressed
Rthe anti-theft alarm system is not activated
Rthe panic alarm is not activated
Rthe hazard warning lamps are switched off
Rthe hood is closed
Rthe doors are closed and locked
Rthe windows and sliding sunroof are closed
Also make sure that:
Rthe fuel tank is sufficiently filled
Rthe starter battery has been sufficientlycharged
GWARNING
Limbs could be crushed or trapped if the
engine is started unintentionally during ser-
vice or maintenance work. There is a risk of
injury.
Always secure the engine against uninten-
tional starting before carrying out mainte-
nance or repair work.
Make sure that the engine cannot be started viayour smartphone before carrying out mainte-nance or repairs. You can prevent an enginestart via your smartphone, for example, if you:
Rswitch on the hazard warning lamps
Rdo not lock the doors
Ropen a side window
Pulling away
General notes
GWARNING
If the engine speed is above the idling speed
and you engage transmission positionDorR,
the vehicle could pull away suddenly. There is
a risk of an accident.
When engaging transmission positionDorR,
always firmly depress the brake pedal and do
not simultaneously accelerate.
Depress the accelerator carefully when pullingaway.
The vehicle locks centrally once you have pulledaway. The locking knobs in the doors drop down.
You can open the doors from the inside at anytime.
You can also deactivate the automatic lockingfeature, see the Digital Operator's Manual.
It is possible to shift the transmission from posi-tion]to the desired position only if youdepress the brake pedal. Only then is the park-ing lock released. If you do not depress thebrake pedal, the DIRECT SELECT lever can still
134Driving
Driving an d parking