2020 MERCEDES-BENZ GLS SUV tow

Ac
tivating/deactivating the automatic lo ck‐
ing feature The
vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace. #
Toactivate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds. #
Todeactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds.
In thefo llowing situations, there is a danger of
being loc ked out when the function is activated:
R While theve hicle is being tow star ted/
pushed.
R Ifth eve hicle is being tested on a roller dyna‐
mome ter. Po
we r closing function &
WARNING Risk of becoming trapped
when the doors close automatically
Body parts or objects can become trapped,
causing injuries. #
Ensure that no body parts or objects
are in the closing area. #
Automatic closing of the doors can be
cancelled bypulling the outer or inner
door handle. If
yo u push the door into the lock tothefirst
de tent position, the po wer closing function will
auto matical lypull the door into the loc k. Locking/unlocking
the driver's door with the
emer gency key %
Ifyo u wish tolock theve hicle entirely using
th e emer gency key,firs t press the button for
locking from the inside while the driver's
door is open. Then proceed tolock the driv‐
er's door using the emer gency key. 84
Opening and closing

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, pull theta ilgate
handle and release it again immediatel y.#
Vehicles with HANDS-FREE ACCESS: make
a kicking mo vement with your foot below the
bumper (/ page 89). #
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 inju ryfrom unsecu red
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. #
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. #
Pull theta ilgate down wards slightly. Release
it as soon as it begins toclose. Opening and closing
87

Ve
hicles with HANDS-FREE ACCESS #
Make a kicking mo vement with your foot
below the bumper (/ page 89).
Au tomatic reve rsing function for the tail gate
The tailgate is equipped with automatic bloc kage
de tection wi thare ve rsing function. If a solid
object hinde rsor restricts theta ilgate when it is
closing automaticall y,theta ilgate will automati‐
cally open again slightly. Automatic bloc kage
re cognition wi threve rsing function is only an
aid. It is not a substitute foryo ur attentiveness
when you are closing theta ilgate. #
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, ei ther:
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 Pull theta ilgate handle. 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 alternatel y. Opening and closing
89

Obser
vethe no tes when opening (/ page 86)
and closing (/ page87)th eta ilgate.
% Twowa rning tones sound when thetai lgate
is opening or closing. &
WARNING Risk of bu rns caused bya hot
ex haust sy stem
The vehicle exhaust sy stem can become very
hot. If you use HANDS-FREE ACCESS, you
could bu rnyourself 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 KEYLESS-GO or make sure
that theke y located is at least 3 m aw
ay from theve hicle in such situa‐
tions. 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. 1
Detection range of the sensors
If se veral consecutive kicking mo vements are
not successful, waitte n seconds.
Sy stem limits
The sy stem may be impaired or may not function
in thefo llowing cases:
R The sensors are dirty, e.g. due toroad salt or
sn ow.
R The kicking mo vement is made using a pros‐
th etic leg. 90
Opening and closing

%
The roller sunblind can be opened only when
th e panorama sliding sunroof is closed or in
th era ised position. #
Check whe ther the sliding sunroof can be
ra ised or opened when a roof luggage rack is
fi tted. #
Tostart automatic operation: pressthe
3 button be yond the point of resis tance
or pull and release it. #
Tointer rupt automatic operation: briefly
press the3 button in any direction.
The opening/closing process will be stop‐
ped. #
Toventilate theve hicle interior: raise the
sliding sunroof.
The roller sunblind will open slightly. Operating
thero ller sunblind for the sliding
sun roof from there ar passenger comp art‐
ment #
Toopen: press button 1. #
Toclose: pull button 1.
% When the sliding sunroof is open, it will close
fi rs t. To close thero ller sunblind, you must
pull but ton1 again. If
yo u push or pull but ton1 beyond the point of
re sis tance, you will start automatic operation in
th e direction in question. You can stop auto‐
matic operation bypressing or pulling the button
again.
Au tomatic reve rsing function of the sliding
sunroof
If an obs tacle obstructs the sliding sunroof dur‐
ing the closing process, the sliding sunroof will
open again automaticall y.The automatic reve rs‐
ing function is only an aid and is not a substitute
fo ryo ur attentiveness. #
During the closing process, make sure that
no body parts are in the closing area. &
WARNING Risk of becoming trapped
despi tethere ve rsing function being
active
In particular, there ve rsing function does not
re act:
R tosoft, light and thin objects, e.g. fingers.
R towa rdsth e end of the closing procedure. 98
Opening and closing

1
Rear left side wind ow/ro ller sunblind
2 Rear right side window / roller sunblind #
Toclose full y:brief lypull the cor responding
button when the side window is closed. #
Toopen full y:brief lypress the cor respond‐
ing button. Anti-theft pr
otection Fu
nction of the immobiliser The immobiliser pr
events your vehicle from
being star ted without the cor rect key.
The immobiliser is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on. ATA
(Anti-Theft Alarm sy stem) Fu
nction of theATA system
If th eATA system is primed, a visual and audible
alarm is triggered in thefo llowing situations:
R when a door is opened
R when theta ilgate is opened
R when the bonn etis opened
R when interior pr otection is triggered
(/ page 103)
R when tow- aw ay protection is triggered
(/ page 103) The
ATA sy stem is primed automatically af ter
appr oximately ten seconds in thefo llowing situa‐
tions:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Indicator lamp
1flashes when theAT A sy stem
is primed. 102
Opening and closing

The
ATA sy stem is deactivated automatically in
th efo llowing situations:
R afte r unlocking theve hicle with thekey
R afte r unlocking theve hicle using KEYLESS-
GO
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 189)
% When the Mercedes‑Benz emer gency call
sy stem is active and the alarm stay s on for
more than 30 seconds, a message is auto‐
matically sent tothe Cus tomer Assis tance
Centre (/ page 344).
Deactivating theATA #
Press theÜ, ßorp button on the
key.
or #
Press thest art/ stop button with theke y in
th estow age compartment (/ page189)
Deactivating the ala rmusing KEYLESS-GO #
Grasp the outside door handle with thekey
outside theve hicle. Fu
nction of tow- aw ay protection An audible and visual alarm is triggered if an
alteration
to yourvehicle's angle of inclination is
de tected while tow- aw ay protection is primed.
To w- aw ay protection is automatically primed
af te r appro ximately 60 seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO
To w- aw ay protection is only primed when thefo l‐
lowing components are closed:
R doors
R tailgate
To w- aw ay protection is automatically deactiva‐
te d:
R afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 189)
R afte r unlocking theve hicle using KEYLESS-
GO R
when using HANDS-FREE ACCESS
In fo rm ation on collision de tection on a pa rked
ve hicle (/ page 223). Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
4 © 5
Settings 5
Quick access #
Prime or deactivate Tow-away protection .
To w- aw ay protection is primed again in thefo l‐
lowing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select the
Vehicle submenu in theSettings main menu
to prime or deactivate tow- aw ay protection. Fu
nction of interior pr otection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tec‐
te d in theve hicle interior. Opening and closing
103

Interior pr
otection is primed automatically af ter
appr oximately ten seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO
Interior pr otection is only primed when thefo l‐
lowing components are closed:
R doors
R tailgate
Interior pr otection is automatically deactivated:
R afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 189)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
The following situations can lead toafa lse
alarm:
R moving objects such as masc ots in theve hi‐
cle interior R
when the side window is open
R when the sliding sunroof is open
R when the panoramic sliding sunroof is open Priming/deactivating interior pr
otection Multimedia sy
stem:
4 © 5
Settings 5
Quick access #
Prime or deactivate Interior motion sensor.
Interior pr otection is primed again in thefo llow‐
ing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again.
% Ifqu ick access is una vailable, select the
Vehicle menu under Settingstoprime or
deactivate interior pr otection. 104
Opening and closing