warning MERCEDES-BENZ GLC SUV 2021 Service Manual

Key
Fu
nction overview &
WARNING Risk of accident and inju ry
due toleaving children unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could, in part icular:
R open doors, thereby endangering other
persons or road users.
R get out and be stru ck byoncoming traf‐
fi c.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. *
NO
TEDama getotheke y caused by
magnetic fields #
Keep theke yaw ay from strong mag‐
netic fields. Ve
hicle key
1 Locks
2 Indicator lamp 3
Unloc ks
4 Opens/closes theta ilgate
% If indicator lamp 2does not light up af ter
pressing theÜ orß button, the bat‐
te ry iswe ak or possibly dischar ged. Re place
th e battery as soon as possible.
Re place theke y bat tery ( / page 75).
The key loc ksand unlo cksth efo llowing compo‐
nents:
R doors
R fuel filler flap
R tailgate
If th eve hicle is not opened within appr oximately
40 seconds af ter unlocking, it loc ksagain. Anti-
th eft pr otection is primed again.
Do not keep theke yto get her with electronic
devices or me tal objects. This can af fect the
ke y's functionalit y. Opening and closing
73

&
WARNING Risk of injury topersons
inside theve hicle when the additional
door lock is activated
If th e additional door lock is activated, the
doors can no longer be opened from the
inside. #
Never lea vepersons, in particular chil‐
dren, unat tended in theve hicle. #
Ifth ere are persons in theve hicle, do
not activate the additional door loc k.The additional door lock is automatically activa‐
te
d in thefo llowing situations:
R The vehicle is loc ked using thekey.
R The vehicle is loc ked using KEYLESS-GO.
If th eve hicle has been loc ked via Mercedes me
connect, the additional door lock is not activa‐
te d.
If th e additional door lock is activated, the doors
cann otbe opened from the inside.
% After locking you can issue a signal with the
horn. Yo
u can pr eventthe additional door lock from
being activated bydeactivating interior pr otec‐
tion before locking theve hicle (/ page 95). Un
locking/opening the doors from the inside #
United Kingdom onl y:obser vethe no tes on
th e additional door lock (/ page76). #
Pull door handle 2.
Lo cking pin 1pops up when the door is
unloc ked. Centrally locking and unlocking
theve hicle
from the inside #
Tounlo ck:press button 1. #
Tolock: press button 2. Opening and closing
77

Load compa
rtment Opening the tail
gate &
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if theta il‐
gate is open when the engine is running,
especially if theve hicle is in motion. #
Alw ays switch off the engine before
opening theta ilgate. #
Never drive with theta ilgate open. *
NO
TEDama getotheta ilgate caused by
obs tacles ab ovetheve hicle The
tailgate swings rear wa rds and upwards
when it is opened. #
Make sure that there is suf ficient space
behind and ab ovetheta ilgate. #
Ifth eta ilgate is unloc ked, press theto p of
th e Mercedes star. #
Vehicles with HANDS-FREE ACCESS: make
a kicking mo vement with your foot below the
bumper (/ page84). #
Pull remo teoperating switch 1forth eta il‐
ga te. #
Press and hold thep button on thekey. #
Ifth eta ilgate is stopped in an intermediate
position, pull it upwards. Release it as soon
as it begins toopen.
If an obs tacle obstructs theta ilgate during the
automatic opening process, bloc kage detection
will stop theta ilgate. The automatic bloc kage
de tection function is only an aid. It is not a sub‐
st itute foryo ur attentiveness. Closing
the tailgate &
WARNING Risk of injury from unsecured
items in theve hicle
If objects, luggage or loads are not secured
or not secured suf ficientl y,they could slip,
tip ove r or be throw n around and thereby hit
ve hicle occupants.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction. #
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around. Opening and closing
81

#
Before the journe y,secure objects, lug‐
ga ge or loads against slipping or tipping
ove r. Obser
vethe no tes on loading theve hicle.
Note s on closing the tailgate: your vehicle is
equipped with automatic keyre cognition. If a key
belonging totheve hicle is de tected in theve hi‐
cle, theta ilgate will not be loc ked.
No tethat theta ilgate will not be loc ked in the
fo llowing situation:
R You ha veloc kedth eve hicle and close the
ta ilgate while a key belonging totheve hicle
is inside theve hicle.
and
R A second key belonging totheve hicle is not
de tected outside theve hicle.
Au tomatic keyre cognition is only an aid and is
not a substitu teforyo ur attentiveness. #
Before locking, ensure that at least one key
belonging totheve hicle is outside theve hi‐
cle. #
Toclose the tailgate: pulltheta ilgate down‐
wa rds slightly. Release it as soon as it begins
to close. &
WARNING Risk of becoming trapped
du ring au tomatic closing of theta ilgate
Body parts may become trapped. There may
be people in the closing area. #
Make sure that nobody is in the vicinity
of the closing area.
Use one of thefo llowing options tostop the
closing process:
R Press thep button on thekey.
R Press or pull there mo teoperating switch
on the driver's door.
R Press the closing or locking button on the
ta ilgate.
R Press theto p of the Mercedes star on the
ta ilgate. #
Vehicles with HANDS-FREE ACCESS: it is
also possible tostop the closing process by making a kicking mo
vement below there ar
bumper. #
Swit chon the po wer supp lyor the ignition. #
Press remo teoperating switch 1forthe
ta ilgate. 82
Opening and closing

#
Press closing button 1ontheta ilgate.
Ve hicles with KEYLESS-GO #
Press locking button 2ontheta ilgate.
If a key is de tected outside theve hicle, the
ta ilgate will close and theve hicle will be
loc ked. #
Press and hold thep button on thekey.
The key must be in the vicinity of theve hicle. Ve
hicles with HANDS-FREE ACCESS #
Make a kicking mo vement with your foot
below the bumper (/ page84).
Au tomatic reve rsing function for the tail gate
The tailgate is equipped with automatic bloc kage
de tection with are ve rsing function. If an obs ta‐
cle obstructs theta ilgate during the automatic
closing process, it will automatically open again
slightl y.Au tomatic bloc kage detection with the
re ve rsing function is only an aid and is not a sub‐
st itute foryo ur attentiveness. #
During the closing process, make sure that
no body parts are in the closing area. &
WARNING Risk of becoming trapped
despi tereve rsing function
The reve rsing function will not react:
R tosoft, light and thin objects, e.g. fingers
R towa rdsth e end of the closing procedure
In these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped. #
Ensu rethat no body parts are in the
closing area.
If someone is trapped, eith er:
R Press thep button on thekey.
R Press or pull there mo teoperating switch
on the driver's door.
R Press the closing or locking button on the
ta ilgate.
R Press theto p of the Mercedes star on the
ta ilgate. Opening and closing
83

HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open, close
or stop the closing process of theta ilgate by
per form ing a kicking mo vement under there ar
bumper.
The kicking mo vement triggers the opening or
closing process alternately. Obser
vethe no tes when opening (/ page81 )
and closing (/ page81)th eta ilgate.
% Twowa rning tones sound when thetai lgate
is opening or closing. &
WARNING Risk of burn s causedbya hot
ex haust sy stem
The vehicle exhaust sy stem can become very
hot. If you use HANDS-FREE ACCESS, you
could burn yourself by touching theex haust
sy stem. #
Alw ays ensure that you on ly ma ke a
kicking mo vement within the de tection
ra nge of the sensors. *
NO
TEVehicle damage due tounin ten‐
tional opening of theta ilgate R
when using an automatic car wash
R when using a high pressure cleaner #
Deactivate the function of theke y in
th ese situations.
or #
Make sure that theke y is at a minimum
dis tance of 3 maw ay from theve hicle. When making
the kicking mo vement, make sure
th at you are standing firm ly on the ground. Yo u
could otherwise lose your balance, e.g. on ice.
Obser vethefo llowing no tes:
R The key is behind theve hicle.
R Stand at least 30 cm away from theve hicle
while per form ing the kicking mo vement.
R Do not come into contact with the bumper
while making the kicking mo vement.
R Do not car ryout the kicking mo vement too
slowl y.
R The kicking mo vement must be towa rdsthe
ve hicle and back again. 84
Opening and closing

Un
locking the tailgate with the emer gency
key Re
quirements:
R The rear seat backrest has been folded
fo rw ard.
R The load compartment co ver has been
re mo ved. #
Remo vethe emer gency key ( / page 75). #
Insert emer gency key2 into opening 1in
th e trim and push it in.
The tailgate will be unloc ked. Side windo
ws Opening and closing
the side windo ws &
WARNING Risk of becoming trapped
when opening a side window
When you open a side wind ow, parts of the
body could be dr awn in or become trapped
between the side window and window frame. #
When opening, make sure that nobody
is touching the side windo w. #
If someone is trapped, release the but‐
to n immedia tely or pull it in order to
close the side window again. &
WARNING Risk of becoming trapped
when closing a side window
When closing a side windo w,body parts
could be trapped in the closing area in the
process. #
When closing, make sure that no body
parts are in the closing area. #
If someone is trapped, release the but‐
to n immedia tely or press the button in
order toreopen the side windo w. &
WARNING Risk of becoming trapped
when children opera tethe side windo ws
Children could become trapped if they oper‐
ate the side windo ws, particularly when unat‐
te nded. #
Activate thech ild saf ety lock forthe
re ar side wind ows. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Never lea vechildren unat tended in the
ve hicle. 86
Opening and closing

Re
quirements:
R The po wer supply or the ignition is switched
on. 1
Closing
2 Opening
The buttons on the driver's door take prece‐
dence. #
Tostart automatic operation: pressthe
W button be yond the point of resis tance
or pull and release it. #
Tointer rupt automatic operation: press or
pull theW button again.
When theve hicle is switched off, you can con‐
tinue tooperate the side windo ws.
This function is available for around four minutes
or until a front door is opened.
Au tomatic reve rsing function of the side win‐
do ws
If an obs tacle impedes a side window du ring the
closing process, the side window will open again
automaticall y.The automatic reve rsing function
is only an aid and is not a substitute foryo ur
attentiveness. #
During the closing process, make sure that
no body parts are in the closing area. &
WARNING Risk of becoming trapped
despi tethere being reve rsing pr otection
on the side window
The reve rsing function does not react:
R tosoft, light and thin objects, e.g. fingers.
R during resetting.
The reve rsing function cannot pr event some‐
one from becoming trapped in these situa‐
tions. #
During the closing process, make sure
th at no body parts are in the closing
area. #
If someone becomes trapped, press the
W button toopen the side window
again. Au
tomatic function of the side windo ws In
thefo llowing cases, the side windo wswill be
closed automatically when theve hicle is
switched off:
R if it starts torain Opening and closing
87

Ra
in is de tected byara in sensor on the
windscreen.
R inextreme temp eratures
R afte r a cer tain time (depending on the on-
board electrical sy stem voltage)
R ifth ere is a malfunction in the po wer supply
The side windo wswill be closed as far as the
ve ntilation position.
Ve hicles with a sliding sunroof: the side win‐
do ws will be closed comple tely ifth e sliding sun‐
ro of is open.
If th e side windo wsare obstructed during auto‐
matic closing, the side window concerned will
open again slightl y.The automatic function for
th e sliding sunroof and the side windo wswill
th en be deactivated. Con
venience opening (ventilating theve hicle
before starting a journey) &
WARNING Risk of entrapment when
opening a side window
When opening a side windo w,parts of the
body could be dr awn in or become trapped
between the side window and window frame. #
When opening, make sure that nobody
is touching the side windo w. #
Release the button immediately if
somebody becomes trapped. #
Press and hold theÜ button on thekey.
The following functions are per form ed:
R The vehicle is unloc ked.
R The side windo wsare opened.
R The sliding sun roof is opened.
R The seat ventilation of the driver's seat is
switched on. #
Tointer rupt convenience opening: release
th eÜ button. #
Tocontinue con venience opening: press
and hold theÜ button again. Con
venience closing (closing theve hicle
from outside) &
WARNING Risk of entrapment due tonot
paying attention duri ng convenience
closing
When the con venience closing feature is
operating, parts of the body could become
trapped in the closing area of the side win‐
dow and the sliding sunroof. #
When the con venience closing feature
is operating, monitor the entire closing
process and make sure that no body
parts are in the closing area. #
Press and hold theß button on thekey.
The following functions are per form ed:
R The vehicle is loc ked.
R The side windo wsare closed.
R The sliding sun roof is closed. 88
Opening and closing

#
Tointer rupt convenience closing: release
th eß button. #
Tocontinue con venience closing: press
and hold theß button again.
% Con venience closing also functions wi th
KEYLESS-GO (/ page78). Re
solving problems with the side windo ws &
WARNING Risk of becoming trapped or
fa tal ly inju red if reve rsing pr otection is
not activated
If yo u close a side wind owagain immediately
af te r it has been bloc ked, the side window
will close with increased or maximum forc e.
The reve rsing function is then not active and
body parts may become trapped. #
Make sure that no parts of the body are
in the closing area. #
Tostop the closing process, release the
button or press the button again to
re open the side windo w. A side wind
owcann otbe closed and you can‐
not see the cause. #
Check tosee whe ther any objects are in the
window guide. #
Adjust the side windo ws.
Ad justing the side windo ws
If a side window is obstructed during closing and
re opens again immediately: #
Immediately af terth is, pull and hold the cor‐
re sponding button again until the side win‐
dow has closed and hold the button for at
least one more second (re-adjustment).
The side window will be closed without the
automatic reve rsing function.
If th e side window is obstructed again and
re opens again immediately: #
Immediately af terth is, pull and hold the cor‐
re sponding button again until the side win‐
dow has closed and hold the button for at least
one more second (follo w-up adjust‐
ment).
The side wind owwill be closed without the
automatic reve rsing function.
The side windo wscann otbe opened or
closed using the con venience opening fea‐
ture.
Po ssible causes:
R The key bat tery iswe ak or dischar ged. #
Check the battery using the indicator lamp
(/ page 73). #
Replace theke y bat tery, if necessary
(/ page 75). Sliding sunr
oof Opening and closing
the sliding sunroof &
WARNING Risk of becoming trapped
when the sliding sunroof is being opened
and closed
Body parts may become trapped in thera nge
of mo vement. Opening and closing
89