ECU MERCEDES-BENZ GLB SUV 2021 Owner's Manual

lamp is o.,
the front passenger airbag can
deploy in theev ent of an accident.
The child could be struck bythe airbag. #
Always ensu rethat the front passenger
airbag is disabled. The PASSENGER AIR
BAG OFF indicator la mpmust be lit. #
NEVER use a rear wa rd-facing child
re straint system on a seat wi than ENA-
BLED FRONT AIR BAG. This can result in
th e DEATH of or SERIOUS INJURY tothe
CHILD. Obse
rveth e speci/c inst ructions forth ere ar-
wa rd-facing and forw ard-facing child restraint sys-
te ms (/ page 74). Wa
rning notice on the front passenger sun visor
Alw ays obser vethe status of the front passenger
airbag on thePA SSENGER AIR BAG OFF indicator
la mp:
R If it is absolu tely necessary to/t a child
re straint system tothe front passenger seat,
alw ays obser vethe information on automatic
front passenger airbag shuto. (/ page 51).
R When using a rear wa rd-facing child restraint
system on the front passenger seat, the front
passenger airbag must alw ays be disabled.
This is only the case if thePA SSENGER AIR
BAG OFF indicator la mpis lit continuously
(/ page 52). R
Ifth ePA SSENGER AIR BAG OFF indicator
la mp is o., the front passenger airbag is ena-
bled. The front passenger airbag may deploy
during an accident.
Secur
Secur ing t ing the c
he child r
hild r es
estrtraint syst
aint syst em wit
em with t
h the seat
he seat
belt on t
belt on t he fr
he front passeng
ont passeng er seat
er seat
When /tting a belt-secured child restraint system
on the front passenger seat, alw ays obser vethe
fo llowing:
O Obser vethe no tes on rear wa rd-facing and
fo rw ard-facing child restraint systems on the
front passenger seat (/ page 73).
O Obser vethech ild restraint system manufac-
tu re r's installation and operating inst ructions.
O For a child restraint system in the "Universal"
or "Semi-Universal" categor y,make sure that
th e system has been appr ovedfo rth eve hicle
seat.
Obser vethe no tes under "Suitability of seats
fo r attaching belt-secured child restraint sys-
te ms" (/ page 70). 74 74
Occupant saf
ety

Child safe
Child safe
ty locks
ty loc ks A
A
ctiv
ctiv ating or deactiv
ating or deactiv ating t
ating t he c
he child safe
hild safe ty loc
ty lock f
k for
or
t
t he r
he r ear doors
ear doors &
W
WARNING
ARNING Risk of accident and injury due
to leaving children unattended in theve hi-
cle
If ch ildren are leT unattended in theve hicle,
th ey could, in particular:
R open doors, thereby endangering other
persons or road users.
R get out and be struck byoncoming tra1c.
R operate vehicle 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 unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. &
W
WARNING
ARNING Risk offatal injury due toexpo-
sure toextreme heat or cold in theve hicle
If persons, particular lych ildren, are subjected
to prolonged exposure tointense heat or cold,
th ere is a risk of se vere injury or even death. #
Never lea vepersons, particular lych il-
dren, unattended in theve hicle. &
W
WARNING
ARNING Risk of accident and injury due
to children leT unattended in theve hicle
If ch ildren are tr avelling in theve hicle, they
could, in particular:
R open doors, thereby endangering other
persons or road users.
R get out and be st ruck byoncoming tra1c.
R operate vehicle equipment and become
trapped, forex ample. #
Always activate the ins talled child saf ety
loc ksifch ildren are tr avelling in theve hi-
cle. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. Ve
hicles forth e United Kingdom: obser vethe
impor tant sa fety no tes in the "No tes on the addi-
tional door lock" section.
There are child saf ety loc ksforth ere ar doors and
th ere ar side wind ows.
The child saf ety lock on there ar doors secures
each door separatel y.The doo rscan no longer be
opened from the inside. 76 76
Occupant saf
ety

#
Press the le ver in direction 1(activate) or 2
(deactivate). #
Make sure that thech ild saf ety loc ksare work-
ing proper ly. A
A
ctiv
ctiv ating and deactiv
ating and deactiv ating t
ating the c
he child safe
hild safe ty lock
ty lock
f
f or t
or t he r
he r ear side windo ws
ear side windo ws #
T
To activ
o activ at
ate/deactiv
e/deactiv at
ate:
e: press button 2.
The rear side wind owcan be opened or closed
in thefo llowing cases:
R indicator lamp 1is lit: via the switch on
th e driver's door R
indicator lamp 1is o.: via the switch on
th e cor responding rear door or driver's
door N
No
ot
tes on pe
es on pe ts in t
ts in the v
he vehicle
ehicle &
W
WARNING
ARNING Risk of accident and injury due
to animals leT unsecured or unat tended in
th eve hicle
If yo u lea veanimals in theve hicle unat tended
or unsecured, they could press buttons or
switches, for instance.
An animal ma y:
R activate vehicle equipment and become
trapped, forex ample
R switch systems on or o. and endanger
other road users
Unsecured animals may be thro wn about the
ve hicle in theev ent of an accident, or sudden
steering and braking manoeuvres, and injure
ve hicle occupants. Occupant saf
ety
77 77

#
Never lea veanimals unat tended in the
ve hicle. #
Always cor rectly secure animals while
driving, e.g. using a suitable animal car-
ri er. 78 78
Occupant saf
ety

R
R
emo
emo ving/inser
ving/inser ting t
ting the emerg
he emerg encykey
ency key R R
emo emo ving t
ving t he emerg
he emerg encykey
ency key #
Press release button 1.
Emer gency key2 is pushed out slightl y.#
Pull out eme rgency key2 until it en gage s in
th e intermediate position. #
Press release button 1again and fully
re mo veemer gency key2.
Inser
Inser ting t
ting t he emerg
he emerg encykey
ency key #
Press release button 1. #
Insert emer gency key2 tothe intermediate
position or fully until it engages. %
You can use the intermediate position of
emer gency key2 toattach theke yto akey
ri ng. R
R
eplacing t
eplacing t heke
he key batt
y batt ery
ery &
D
DAN
AN GER
GER Risk of fatal injuries due toswal-
lowing batteries
Bat teries contain toxic and cor rosive subs tan-
ces. Swall owing batteries may cause se vere
internal burns tooccur within two hours.
There is a risk of fatal injur y. #
Keep batteries out of there ach of chil-
dren. #
Ifth e cap and/or the battery compart-
ment does not close securel y,do not use
th eke y any lon ger and keep it out of the
re ach of children. #
If batteries are swallo wed, seek medical
attention immediatel y. +
ENVIR
ENVIR ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmen tal
damage due toimproper disposal of bat-
te ries Batteries contain pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmentally responsible manner.
Ta ke dischar ged batteries toaqu ali/ed
specialist workshop or toa collection
point for used batteries. R
R
eq
eq uir
uir ements:
ements:
R Youre qu ire a CR 2032 3 V cell batter y.
Mercedes-Benz recommends that you ha vethe
battery replaced at a quali/ed specialist work-
shop. #
Remo vethe emer gency key (/ page 81). Opening and closing
81
81

#
Ifth eta ilgate is stopped in an intermediate
position, pull it upwards. Release it as soon as
it begins toopen.
If an obstacle obst ructs 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 substi-
tute foryo ur attentiveness. Closing t
Closing t
he t
he tailg
ailgate
ate &
W
WARNING
ARNING Risk of injury from unsecured
items in theve hicle
If objects, lug gage or loads are not secured or
not secured su1cient ly,they could slip, tip
ov er or be thro wn around and thereby hit vehi-
cle occupants.
There is a risk of injur y,particular lyin the
eve nt of sudden braking or a sudden change
in direction. #
Always st owobjects 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.
N No ot
tes on closing t
es on closing t he t
he tailg
ailgat
ate:
e: your vehicle is
equipped with automatic keyre cognition. If a key
belonging totheve hicle is de tected in theve hicle,
th eta ilgate will not be loc ked.
No tethat theta ilgate will not be loc ked in thefo l-
lowing situation:
R You ha veloc kedth eve hicle and close theta il-
ga te 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 substitute foryo ur attentiveness. #
Before locking, ensure that at least one key
belonging totheve hicle is outside theve hicle. #
T To close t
o close t he t
he tailg
ailg at
ate:
e: pull theta ilgate down-
wa rds with the handle and let it drop into the
loc k.
V
V ehicles wit
ehicles wit h an EASY
h an EASY-PAC
-P AC K t
K tailg
ailg ate
ate &
W
WARNI NG
ARNI NGRisk of becoming trapped dur-
ing automatic 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 during the closing
process.
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 Pull theta ilgate handle. 88 88
Opening and closing

#
Make sure that theke y is at a minimum
dis tance of 3 m away from theve hicle. When making
the kicking mo vement, make sure
th at you are standing /rmly on thegr ound. 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
slo wly.
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.
Syst
Syst em limits
em limits
The system may be impai red or may not function
in thefo llowing cases:
R The sensors are dirty, e.g. due toroad salt or
sno w.
R The kicking mo vement is made using a pros-
th etic leg. The
tailgate can open or close unintentionally in
th efo llowing situations:
R A person's arms or legs are moving in the sen-
sor de tection range, e.g. when polishing the
ve hicle or picking up objects.
R Objects are mo ved or placed behind theve hi-
cle, e.g. the hose of a fuel dispenser, a charg-
ing cable, or lug gage
R Clamping straps, tarp aulins or other co verings
are pulled overth e bumper.
R A pr otective mat with a length reaching over
th e boot sill down into the de tection range of
th e sensors is used.
R The pr otective mat is not secured cor rectl y.
R Workis being done on the trailer hitch, trailers
or rear bicycle rack s.
Deacti vate the function of theke y (/ page 80) or
do not car rytheke y about your person in such
situations. Opening and closing
91
91

#
T
To call up:
o call up: press and brie0y hold one of preset
position buttons 4,TorU.
ATer releasing the button, all systems are
mo ved into the stored position. S
S
t
to
o w
w ag
ag e ar
e ar eas
eas N
No
ot
tes on loading t
es on loading t he v
he vehicle
ehicle &
D
DAN
AN GER
GER Risk of poisoning from exhaust
ga ses
Combustion engines emit poisonous exhaust
ga ses, such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if theta il-
ga te is open when theve hicle is running,
especially if theve hicle is in motion. #
Always switch o. theve hicle before
opening theta ilgate. #
Never drive with theta ilgate open. &
W
WARNING
ARNING Risk of injury from unsecured
items in theve hicle
If objects, lug gage or loads are not secured or
not secured su1cient ly,they could slip, tip
ov er or be thro wn around and thereby hit vehi-
cle occupants.
There is a risk of injur y,particular lyin the
eve nt of sudden braking or a sudden change
in direction. #
Always st owobjects 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. &
W WARNI NG
ARNI NGRisk of injury due toobjects
being st owed incor rectly
If objects in theve hicle interior are st owed
incor rectl y,they can slide or be thro wn around
and hit vehicle occupants. In addition, cup
holders, open st owage spaces and mobile
phone brac kets cannot alw aysreta in all
objects they contain. There is a
risk of injur y,particular lyin the
eve nt of braking manoeuvres or abrupt
ch anges in direction. #
Always st owobjects so that they cann ot
be thro wn around in such situations. #
Always make sure that objects do not
pr otru de from st owage spaces, lug gage
nets or st owage nets. #
Close the loc kable st owage spaces
before starting a jou rney. #
Stow and secure objects that are heavy,
hard, poin ted, sharp-edged, fragile or too
lar ge inthe load compartment. &
W
WARNING
ARNING Risk of accident from objects in
th e driver's foot we ll and front-passenger
fo ot we ll
Objects in the driver's foot we ll and front-
passenger foot we ll may impede pedal tr avel or
block a depressed pedal.
This jeopardises the operating and road saf ety
of theve hicle. Seats and st
owing
119 119

#
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll or front-passenger foot we ll. #
Always /t the 0oor mats securely and as
prescribed in order toensure that there
is alw ays su1cient clearance forthe
pedals. #
Do not use loose 0oor mats and do not
lay multiple 0oor mats on top of one
ano ther. V V
ehicles wit
ehicles wit h aut
h automatic fr
omatic fr ont passeng
ont passeng er airbag
er airbag
shut
shut o.:
o.:objects trapped under the front
passenger seat may inter fere with the function of
th e automatic front passenger airbag shuto. or
damage the system. Please obser vethe no tes on
th e function of the automatic front passenger air-
bag shuto. (/ page 51).&
W
W ARNING
ARNING ‑ Risk of accident or injury
when using the cup holder while theve hi-
cle is in motion
The cup holder cann othold a container secure
while theve hicle is in motion. If
yo u use a cup holder while theve hicle is in
motion, the container may be 0ung around
and liquids could be spilled. The vehicle occu-
pants may come into contact with the liquid
and if it is hot, they could be scalded. Yo u
could be distracted from tra1c conditions and
yo u may lose control of theve hicle. #
Only use the cup holder when theve hicle
is stationar y. #
Only use the cup holder for containers of
th eright size. #
Always close the container, particular lyif
th e liquid is hot. *
N
NOOTE
TE Damage tothe cup holder When
there ar armrest is folded back the cup
holder could become damaged. #
Only fold there ar armrest back when the
cup holder is closed. *
N
NOOTE
TE Damage tothere ar armrest due to
body weight When
folded out, there ar armrest can be
damaged bybody weight. #
Do not sit or support yourself on there ar
seat armrest. &
W
WARNING
ARNING Risk of injury due toan open
load compartment 0oor
If yo u drive with the load compartment 0oor
open, objects could be 0ung around and hit
ve hicle occupants as a result. There is a risk
of injur y,particular lyin theev ent of sudden
braking or a sudden change in direction. #
Always close the load compartment 0oor
before a journe y. &
W WARNI NG
ARNI NGRisk of burns due tohot audio
ampli/er
The audio ampli/er and the area around the
audio ampli/er in the st owage space under the
load compartment 0oor can getvery hot. 120
120 Seats and st
owing

If
yo uto uch these car parts, you may su.er
burns. #
Alwaysta ke special care when the load
compartment 0oor in the area around
th e audio ampli/er is open. #
Allow the car parts tocool down before
to uching them. &
W
W ARNING
ARNING ‑ Risk of /re and injury from the
hot cigar ette lighter
Yo u can burn yourself if youto uch the hot
heating element or the soc ket of the cigar ette
lighter.
In addition, 0ammable materials may ignite if:
R you drop the hot cigar ette lighter
R ach ild holds the hot cigar ette lighter to
objects, forex ample #
Always hold the cigar ette lighter bythe
knob. #
Always make sure that the cigar ette
lighter is out of reach of children. #
Never lea vechildren unattended in the
ve hicle. &
W WARNING
ARNING Risk of burns from theta ilpipe
and tailpipe trims
The exhaust tailpipe and tailpipe trims can
become very hot. If you come into contact
with these parts of theve hicle, you could burn
yo urself. #
Always be particular lycareful around the
ta ilpipe and theta ilpipe trims and super-
vise children especially closely in this
area. #
Allow vehicle parts tocool down before
to uching them. The driving
characteristics of your vehicle are
dependent on the distribution of the load within
th eve hicle. You should bear thefo llowing in mind
when loading theve hicle:
R neverex ceed the permissible gross mass or
th e permissible axle loads forth eve hicle
(including occupants). Information can be
found on theve hicle identi-
/cation plate (/ page 371).
R the load must not pr otru de abo vethe upper
edge of the seat backrests.
R always use the partition net when transporting
objects in the load compartment.
R always place the load behind unoccupied
seats if possible.
R secure the load using the tie-down eyes and
distribute the load evenl y.
No tes on driving with a roof load
R Evenly dist ribute thero of load, and place
heavy objects at the bottom. Also comply with
th e no tes on loading theve hicle.
R Drive attentivel y,and avoid suddenly pulling
awa y,braking and steering as well as rapid
cornering.
R When transporting roof loads and when the
ve hicle is fully loaded or fully occupied, select
drive prog rams ; andA. These are
designed tofocus on stability (/ page 179). Seats and st
owing
121
121