2019 MERCEDES-BENZ GLS SUV ignition

Re
stra int sy stem functionality When
the ignition is switched on, a self-test is
per form ed, during which the6 restra int sys‐
te m wa rning lamp lights up. It goes out no later
th an a few seconds af terth eve hicle is star ted.
The components of there stra int sy stem are then
functional. Malfunctioning
restra int sy stem A malfunction has occur
red in there stra int sys‐
te m if:
R the6 restra int sy stem warning lamp does
not light up when the ignition is switched on
R the6 restra int sy stem warning lamp
lights up continuously or repeatedly during a
journey &
WARNING Risk of inju rydue tomalfunc‐
tions in there stra int sy stem
If th ere stra int sy stem is malfunctioning,
re stra int sy stem components may be trig‐
ge red unintentionally or may not deploy as intended during an accident. This may af
fect
th e seat belt tensioner or airbag, forex am‐
ple. #
Have there stra int sy stem checked and
re paired immediately at a qualified spe‐
cialist workshop. Fu
nction of there stra int sy stem in an acci‐
dent How
there stra int sy stem works is de term ined by
th e se verity of the impact de tected and the type
of accident anticipated:
R Frontal impact
R Rear impact
R Side impact
R Rollover
The activation thre sholds forth e components of
th ere stra int sy stem are de term ined based on
th eev aluation of the sensor values measured at
va rious points in theve hicle. This process is pre-
em ptive in nature. The triggering/deployment of
th e components of there stra int sy stem must ta
ke place in good time at thest art of the colli‐
sion.
Fa ctors whi chcan only be seen and measu red
af te r a collision has occur red do not play a deci‐
sive role in the deployment of an airbag. Nordo
th ey prov ide an indication of airbag deployment.
The vehicle may be deformed significantly with‐
out an airbag being deplo yed. This is the case if
only parts which are relatively easily deformed
are af fected and thera te ofvehicle deceleration
is not high. Con versely, an airbag may be
deplo yedev en though theve hicle suf fers only
minor deformation. If very rigid vehicle parts
such as longitudinal members are hit, forex am‐
ple, this may result in suf ficiently high le vels of
ve hicle deceleration. Occupant saf
ety37

Self-test of automatic front passenger front
airbag shutoff
When
the ignition is switched on, a self-test is
per form ed during which the two PASSENGER
AIR BAG ON and OFF indicator lamps light up
simul taneously.
The status of the front passenger front airbag is
displa yed af terth e self-tes t:
R PASSENGER AIR BAG ON lights up for
60 seconds, subsequently bo thindicator
lamps are off (PASSENGER AIR BAG ON and
OFF): the front passenger front airbag is able
to deploy in theeve nt of an accident.
R PASSENGER AIR BAG OFF lights up continu‐
ously: the front passenger front airbag is dis‐
abled. It will then not be deplo yed in the
eve nt of an accident.
If th ePA SSENGER AIR BAG ON indicator lamp is
off, on lythePA SSENGER AIR BAG OFF indicator
lamp sho ws thest atus of the front passenger
front airbag. The PASSENGER AIR BAG OFF indi‐
cator lamp may be lit continuously or be off.
If th ePA SSENGER AIR BAG OFF indicator lamp
and the6 restra int sy stem warning lamp light up simultaneousl
y,the front passenger seat
may not be used. Also in this case, do not fit a
ch ild restra int sy stem tothe front passenger
seat. Ha veautomatic front passenger front air‐
bag shutoff checked and repaired immediately at
a qu alified specialist workshop.
St atus display
If th e front passenger seat is occupied, ensure,
bo th before and during the journe y,that thest a‐
tus of the front passenger front airbag is cor rect
fo rth e cur rent situation.
Af terfitting a rear wa rd-facing child restra int
sy stem tothe front passenger seat:
PA SSENGER AIR BAG OFF must be lit continu‐
ousl y. &
WARNING Risk of inju ryor death from
using a rear wa rd-facing child restra int
sy stem when the front passenger front
airbag is enabled
If yo u secure a child in a rear wa rd-facing
ch ild restra int sy stem on the front passenger
seat and thePA SSENGER AIR BAG OFF indi‐ cator lamp is off,
the front passenger airbag
can deploy in theeve nt of an accident.
The child could be stru ck bythe airbag.
Alw ays ensure that the front passenger air‐
bag is disabled. The PASSENGER AIR BAG
OFF indicator lamp must be lit.
NEVER use a rear wa rd-facing child restra int
sy stem on a seat pr otected byan ENABLED
FRONT AIRB AGin front of it, DE ATH or SERI‐
OUS INJU RYtotheCH ILD can occur. When
fitting a child restra int sy stem tothe front
passenger seat, obser vetheve hicle-specific
information (/ page77).
Depending on thech ild restra int sy stem and the
st ature of thech ild, thePA SSENGER AIR BAG
OFF indicator lamp may be off. In this case, do
not fit th ere ar wa rd-facing child restra int sy stem
to the front passenger seat.
Ins tead, fit th ere ar wa rd-facing child restra int
sy stem toa suitable rear seat.
Af terfitting a forw ard-facing child restra int
sy stem tothe front passenger seat: depend‐
ing on thech ild restra int sy stem and thest ature 48
Occupant saf ety

If
yo u do not open theve hicle within appr ox‐
imately 40 seconds af ter unlocking:
R theve hicle is loc ked again
R anti- theft pr otection is reactivated
Do not keep theke yto ge ther with electronic
devices or me tal objects. This can af fect the
ke y's functionalit y.
Do not keep theke y in thete mp erature-contro l‐
led cup holder. Otherwise, theke y will not be
re liably de tected.
% If battery check lamp 2does not light up
af te r pressing theÜ orß button, the
battery has been dischar ged.
Changing theke y bat tery ( / page 84). Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
4 © 5
Settings 5
Vehicle #
Activate or deacti vate Acoustic lock .
% Please no
te: The selected setting
forth e acoustic locking
ve rification signal must comply wi th there le‐
va nt national road and traf fic re gulations. In
some countri es, including German y,using
th e acoustic locking verification signal is for‐
bidden bytraf fic la ws(in accordance with
§16 Para. 1 and §30 Para. 1 of the German
national road traf fic re gulations). The driver
of theve hicle must comply with these regu‐
lations. In countri es wherethe use of this
function is forbidden, this function is not
activated in theve hicle and must not be acti‐
va ted. Ac
tivating/deactivating the panic alarm Re
quirements:
R The ignition is switched off.
% The panic alarm function is only available in
cer tain countries. #
Toactivate: press button 1for appro x‐
ima tely one second.
A visual and audible alarm is triggered. #
Todeactivate: briefly press but ton1 again.
or #
Press thest art/ stop button on the cockpit
(the key is inside theve hicle). Changing
the unlocking settings Po
ssible unlocking functions of theke y:
R cent ral unlocking
R unlocking the driver's door and fuel filler flap Opening and closing
83

Problems with KEYLESS-GO
Problem
Possible causes/consequences and M
MSolutions
Yo u can no lon ger lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes:
R The key functions ha vebeen deactivated (/ page84).
R The key bat tery iswe ak or dischar ged.
R There is inter fere nce from a po werful radio signal source.
R The key is faulty. #
Activate theke y functions (/ page84). #
Check the battery using the battery check lamp and replace if necessary (/ page84). #
Use the emer gency keyto unlo ckor lock theve hicle (/ page84). #
Have theve hicle and keych ecked at a qualified specialist workshop. 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. 90
Opening and closing

#
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 theove rride feature 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. 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, the side win‐
do ws can continue being ope rated.
The function is available for around five minutes
or until a front door is opened.
% Ve
hicles with electric roller sunblinds on
re ar doors on the left and right: the but‐
to ns forth ere ar side wind owsalso open and
close thero ller sunblinds (/ page97).
Au tomatic reve rsing function of the side win‐
do ws
If an object bloc ksa side wind owduring the
closing process, the side window opens again
automaticall y.The automatic reve rsing function
is only an aid and is not a substitute foryo ur
attentiveness. #
When closing, make sure that no body parts
are in the closing area. 98
Opening and closing

Problem
Possible causes/consequences and M
MSolutions #
Immediately af ter auto matic reve rsing, pull and hold the3 button down again tothe point of resist‐
ance until the sliding sunroof is closed.
The sliding sunroof will be closed with increased forc e.
If th e sliding sunroof is obstructed again and reopens again slightly: #
Repeat the pr evious step.
The sliding sunroof will be closed again with increased forc e.
Ve hicles without a panoramic slid‐
ing sunroof: the sliding sunroof does
not operate smoo thly. #
Push the3 button up tothe point of resis tance until the sliding sunroof is fully open. #
Press the3 button for ano ther second. #
Close the sliding sunroof.
Ve hicles with a panoramic sliding
sunroof: the sliding sunroof or the
ro ller sunblind does not opera te
smoo thly. #
Pull and hold the3 button little bylittle until the sliding sunroof is fully closed. #
Pull and hold the3 button little bylittle until thero ller sunblind is fully closed. #
Use automatic operation tofully open and then close the sliding sunroof. 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 108
Opening and closing

Seats
Ad
justing the front seat &
WARNING Risk of becoming trapped if
th e seats are adjus tedby children
Children could become trapped if they adjust
th e seats, particularly when unattended. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tothe digital vehicle
ke y if the "Digital Vehicle Key" function
is activated via Mercedes me connect. #
Never lea vechildren unat tended in the
ve hicle. The seats can be adjus
ted when the ignition is
switched off. &
WARNING Risk of becoming trapped
when adjusting the seats
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail. #
When adjusting a seat, make sure that
no one has any body parts in the sweep
of the seat. Obser
vethe saf ety no tes on "Airbags" and "Chil‐
dren in theve hicle". &
WARNING Risk of inju rythro ugh adjust‐
ing vehicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion
R ifyo ufast enyour seat belt while theve hi‐
cle is in motion #
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel or the mir ror and fasten
yo ur seat belt. &
WARNING Risk of becoming trapped if
th e seat height is adjus ted carelessly
If yo u adjust the seat height carelessly, you
or other vehicle occupants could be trapped
and thereby injured.
Children in particular could acciden tally
press the electrical seat adjustment buttons
and become trapped. #
While moving the seats, make sure that
hands or other body parts do not get
under the le ver assembly of the seat
adjustment sy stem. &
WARNING Risk of inju rydue tohead
re stra ints which are not fitted or are
adjus ted inco rrectly
If head restra ints are not fitted or are adjus‐
te d incor rectl y,they cannot pr ovide pr otec‐
tion as intended.
There is an increased risk of injury in the
head and neck area, e.g. in theeve nt of an
accident or when braking. Seats and
stowing 11 3

#
Push release le ver1 down as far as it will
go.
The steering column is unloc ked. #
Adjust height 2and di stance 3tothe
st eering wheel. #
Push release le ver1 up as far as it will go.
The steering column is loc ked. #
Check and make sure that thesteering col‐
umn is loc kedby moving thesteering wheel. Ad
justing the steering wheel electrically The
steering wheel can be adjus ted when the
ignition is switched off. 1
Adjusts the dis tance tothesteering wheel
2 Adjusts the height #
Saving the settings with the memory function
(/ page 131). Swi
tches the steering wheel heater on or off Re
quirements:
R The ignition is switched on. #
Toswitch on: pushthe switch toposition
1.
The indicator lamp 3lights up. Seats and
stowing 12 9