MERCEDES-BENZ GLB 2023 Owners Manual

Maintenance displayRemove protective Nlm 1 from the mainte-
nance displays on the tips of the newly instal-
led wiper blades.
When the color of the maintenance displays
changes from black to yellow, replace the wiper blades.
\bThe duration until the color changes varies
depending on the usage conditions.
Replacing the rear window wiper blade
&WARNING Risk of becoming trapped if the
windshield wipers are switched on while
wiper blades are being replaced
If the windshield wipers begin to move while
you are changing the wiper blades, you can be trapped by the wiper arm.
Always switch oM the windshield wipers
and vehicle before changing the wiper
blades.Removing the wiper bladeSwitch oM the vehicle.Fold wiper arm 2 away from the rear window
until it engages in the replacement position.Unclip wiper blade 1 from wiper arm 2 and
remove it in the direction of arrow 3.Light and visibility139

Installing the wiper bladesPosition wiper blade 1 with both lugs 3 on
holder 2 on the wiper arm.Push wiper blade 1 in the direction of arrow
4 until it engages in holder 2.Make sure that wiper blade 1 is seated cor-
rectly.Fold the wiper arm from the replacement posi-
tion back onto the rear window.
Mirrors
Operating the outside mirrors
&WARNING Risk of accident due to adjust-
ing the vehicle settings while the vehicle is
in motion
You could lose control of the vehicle in the fol-
lowing situations in particular:
= If you adjust the driver\bs seat, the head
restraint, the steering wheel or the mirror while the vehicle is in motion
= If you fasten your seat belt while the vehi-
cle is in motion
Before starting the vehicle: in particular,
adjust the driver\bs seat, head restraint,
steering wheel and mirror, and fasten
your seat belt.&WARNING Risk of accident due to mis-
judgment of distance when using the
front-passenger mirror
The outside mirror on the front passenger side
reOects objects on a smaller scale. The
objects in view are in fact closer than they appear.
Therefore, always look over your shoul-
der to check the actual distance between you and the road users traveling
behind you.140Light and visibility

To fold in or out: brieOy press button 2.To set: press button 1 or 3 to select the
outside mirror to be adjusted.Use button 4 to adjust the position of the
mirror glass.\bIf the battery has been disconnected or com-
pletely discharged, you will have to reset theoutside mirrors. Only then will the automatic mirror folding function work properly.To reset: brieOy press button 2.
An outside mirror that has been pushed out of
position can be engaged in position again as fol-
lows:
Vehicles without electrically folding outside
mirrors: Manually move the outside mirror into
the correct position.Vehicles with electrically folding outside mir-
rors: Press and hold button 2.
You will hear a click and the mirror will audibly click into place. The outside mirror will now be
set to the correct position.
Automatic anti-glare mirrors function
&WARNING Risk of acid burns and poison-
ing due to the anti-glare mirror electrolyte
Electrolyte may escape if the glass in an auto-
matic anti-glare mirror breaks.
The electrolyte is hazardous to health and cau-
ses irritation. It must not come into contact
with your skin, eyes, respiratory organs or
clothing or be swallowed.If you come into contact with electrolyte, observe the following:
= Immediately rinse the electrolyte
from your skin with water and seek
medical attention.
= If electrolyte comes into contact with
your eyes, immediately rinse them
thoroughly with clean water and seek
medical attention.
= If the electrolyte is swallowed, imme-
diately rinse your mouth out thor-
oughly. Do not induce vomiting. Seek
medical attention immediately.
= Immediately change out of clothing
which has been contaminated with
electrolyte.
= If an allergic reaction occurs, seek
medical attention immediately.
The inside rearview mirror and the outside mirroron the driver\bs side will automatically go into anti-
Light and visibility141

glare mode if light from a headlamp hits the sen-sor on the inside rearview mirror.
System limits
The system will not go into anti-glare mode if:
= The vehicle is switched oM.
= Reverse gear is engaged.
= The interior lighting is switched on.
Front-passenger outside mirror parking position
function
The parking position makes parking easier.
The front-passenger outside mirror will swivel downwards in the direction of the rear wheel on
the front passenger\bs side when:
= The parking position is stored (  page 142).
= The front-passenger mirror is selected.
= Reverse gear is engaged.
The front-passenger outside mirror will move back
to its original position when:
= You shis the transmission to another transmis-
sion position.
= You are traveling at a speed greater than
9 mph (15 km/h).
= You press the button for the outside mirror on
the driver\bs side.
Storing the parking position of the front-
passenger outside mirror using reverse gear
Storing
Press button 1 to select the front-passenger
outside mirror.Engage reverse gear.Move the front-passenger outside mirror into
the desired parking position using button 2.
Calling up
Press button 1 to select the front-passenger
outside mirror.Engage reverse gear. The front-passenger outside mirror will move into the stored parking position.
Activating/deactivating the automatic mirror fold-
ing function
Multimedia system:
4 © 5
Settings 5
Vehicle
Activate or deactivate Automatic Folding.142Light and visibility

Overview of climate control systems
Notes on climate control
For the air-conditioning system, pollution level
monitoring and air Nltration to function correctly,
an interior air Nlter must always be used. Make
sure that the Nlter is installed correctly. Use Nlters
recommended and approved by Mercedes-Benz.
Always have maintenance work carried out at a
qualiNed specialist workshop.
Overview of the air conditioning control panel
The indicator lamps on the buttons indicate that
the corresponding functions are activated.
THERMOTRONIC air conditioning control panel
1| Sets the temperature on the driver\bs
side2

If climate control is switched oM, the windows
may fog up more quickly. Switch climate control oM only brieOy.
Switching the A/C function on/oM using the air
conditioning control panel
The A/C function heats, cools and dehumidiNes
the vehicle\bs interior air.
Press the Z/V button.
Switch oM the A/C function only brieOy; other-
wise, the windows may fog up more quickly.
Condensation may drip from the underside of the vehicle when cooling mode is active. This is not
indicative of a malfunction.
Calling up the air conditioning menu
Calling up the air conditioning menu using the multimedia system
Select one of the temperature displays at thelower edge of the media display.Activating/deactivating the A/C function via the multimedia system
Multimedia system:
4 Climate Menu 5
First Row of Seats
The A/C function heats, cools and dehumidiNes
the vehicle\bs interior air.
Select A/C.
Sets climate control to automatic mode
In automatic mode, the set temperature is con-
trolled and maintained at a constant level by the air supply.
Press button X .To switch to manual mode: press the

Press the  button.
The synchronization function will be deactivated if
the settings for one of the other climate zones are
changed.
Switching the synchronization function on/oM via
the multimedia system
Multimedia system:
4 Climate Menu 5
First Row of Seats
Climate control can be set centrally using the syn-
chronization function. The driver\bs settings for
temperature, air quantity and air distribution will
be adopted automatically for all climate zones.
Select SYNC and switch it on or oM.
Defrosting the windows
Windows fogged up on the inside
Press the X button.If the windows remain fogged up: press
the d button.Windows fogged up on the outsideSwitch on the windshield wipers.Press the X button.
Switching air-recirculation mode on/oM
Press the r button.
The interior air will be recirculated.
Air-recirculation mode automatically switches to
fresh air mode aser a while.
\bIf air-recirculation mode is switched on, the
windows may fog up more quickly. Switch on
air-recirculation mode only brieOy.
Switching the residual heat on/oM (Canada)
Requirements:
= The vehicle is parked.
\bOnly vehicles with a diesel engine can use
residual heat.
It is possible to make use of the residual heat
from the engine to continue heating or ventilating
the front compartment of the vehicle for approx-
imately 30 minutes, depending on the tempera-
ture set.To activate: press the V button.
Residual heat will be switched oM automatically.
Air vents

qAdjusting the front air vents
&WARNING Risk of burns or frostbite due to
being too close to the air vents
Very hot or very cold air can Oow from the air
vents.
Make sure that all vehicle occupants always maintain a suPcient distance
from the air vents.If necessary, direct the airOow to another
area of the vehicle interior.
To guarantee the Oow of fresh air through the air
vents into the vehicle interior, note the following:
= Always keep the vents and ventilation grilles in
the vehicle interior clear.
Climate control145

=Keep the air inlet free of residue build-up
(  page 289).To open or close: hold the center of air
vent 1 and turn it to the les (open) or right
(closed) as far as it will go.To set the airOow direction: hold the center of
air vent 1 and move it up or down or to the
les or right.
qAdjusting the rear air ventsTo open or close: hold the center of air
vent 1 and turn it to the les or right as far as
it will go.To set the airOow direction: hold the center of
air vent 1 and move it up or down or to the
les or right.146Climate control

Driving
Notes on Mercedes-AMG vehicles
Observe the notes on the following additional top-ics in the Supplement, as you may otherwise fail
to recognize dangers:
= Emotion Start
= AMG exhaust system
= RACE START
= AMG adaptive sport suspension system
= AMG steering-wheel buttons
Switching on the power supply or the vehicle
&WARNING Risk of accident and injury due
to children les unattended in the vehicle
If you leave children unattended in the vehicle,
they could, in particular:
= open doors, thereby endangering other
persons or road users.
= get out and be struck by oncoming traPc.
=
operate vehicle equipment and become
trapped, for example.
In addition, the children could also set the
vehicle in motion by, for example:
= releasing the parking brake.
= changing the gearbox position.
= starting the vehicle.Never leave children unattended in the
vehicle.When leaving the vehicle, always take the key with you and lock the vehicle.Keep the key out of reach of children.
Requirements
= The key is in the vehicle and is recognized.
= Vehicles with automatic transmission: The
brake pedal is not depressed.
To switch on the power supply: press button
1 once.
You can, for example, switch on the windshield
wipers.
The power supply will be switched oM again if the
following conditions are met:
= You open the driver\bs door.
= You press button 1 twice more.
Driving and parking147

To switch on the vehicle: press button 1
twice.
Indicator and warning lamps will light up on
the instrument display.
The vehicle will be switched oM again if one of the
following conditions is met:
= Vehicles with automatic transmission: You do
not start the vehicle within 15 minutes and the transmission is in position ] or the electric
parking brake is applied.
= You press button 1 once.
Starting the vehicle

qStarting the vehicle with the start/stop button
&DANGER Risk of death caused by exhaust
gases
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Inhaling
these exhaust gases is hazardous to health
and leads to poisoning.
Never leave the engine or, if present, the
auxiliary heating running in an enclosed
space without suPcient ventilation.&WARNING Risk of Nre due to Oammable
materials in the engine compartment or
on the exhaust system
Flammable materials may ignite.
Therefore, regularly check that there are
no Oammable foreign materials in the
engine compartment or on the exhaust
system.
Requirements
= The key is in the vehicle and is recognized.
Shis the transmission to position ] or \\.Depress the brake pedal and press button 1
once.Keep the brake pedal depressed until the vehi-
cle starts.If the vehicle does not start: switch oM non-
essential consumer equipment and press but-
ton 1 once.If the vehicle still does not start and the Place
the Key in the Marked Space See Operator's
Manual display message appears on the
instrument display: start the vehicle with the
key in the marked space (emergency opera-
tion mode) (  page 148).\bYou can switch oM the vehicle while driving. To
do this, press and hold button 1 for approx.
three seconds or press button 1 three times
within three seconds. Observe the safety
notes concerning this under "Driving tips"
(  page 151).
Observe any information regarding display mes-
sages that may be shown on the instrument dis-
play.

q Starting the vehicle with the key in the marked
space (emergency operation mode)
If the vehicle does not start and the Place the
Key in the Marked Space See Operator's Manual
message appears on the instrument display, you can start the vehicle in emergency mode.
148Driving and parking