2023 MERCEDES-BENZ GLS Owners Manual

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Page 345 of 538

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�t�h�e�

Page 346 of 538

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Page 347 of 538

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Page 348 of 538

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Ensure there is suPcient ground clear-
ance between the underbody and the guide rails of the car wash.Ensure that the clearance width of the
car wash, in particular the width of the
guide rails, is suPcient.
To avoid damage to your vehicle when using a car
wash, ensure the following beforehand:
= Active Distance Assist DISTRONIC is deactiva-
ted.
= The HOLD function is switched oM.
= The 360° Camera or the reversing camera is
switched oM.
= The side windows and sliding sunroof are com-
pletely closed.
= The outside mirrors are folded in.
= The blower for the ventilation and heating is
switched oM.
= The windshield wiper switch is in position Z.
= The key is at a minimum distance of 10 s
(3 m) away from the vehicle. The tailgate could
otherwise open unintentionally.
= For car washes with a conveyor system:
- Neutral \\ is engaged.
- If you would like to leave the vehicle while
it is being washed, make sure the key islocated in the vehicle. Park position ] is
otherwise automatically engaged.\bTo prevent damage to the tires or rims, drive
straight and into the center of the guide rails
of the car wash.\bIf, aser the car wash, you remove the wax
from the windshield and wiper rubbers, this
will prevent smearing and reduce wiper noise.
Automatic car wash mode
In car wash mode, the vehicle is prepared for driv-
ing into the automatic car wash. Car wash mode
can be activated at a speed of up to 12 mph
(20 km/h) ( page 347).
The following settings are adjusted when car wash
mode is activated:
= The outside mirrors are folded in.
= To prevent the windshield washer system from
starting up automatically, the rain sensor is
deactivated.
= The rear window wiper is deactivated.
= Mercedes-Maybach vehicles: the running
boards are retracted.
= The air conditioning system is set to air-recir-
culation mode.
= Parking Assist PARKTRONIC is deactivated.
= Vehicles with 360° Camera: the front image is
activated aser approx. eight seconds.
= Vehicles with AIRMATIC: the vehicle is raised
to the maximum possible chassis level ( page 250).
If rising takes longer than 25 seconds, the fol-
lowing message appears on the Instrument Display:
Preparation for Automatic Car Wash Incom-
plete See Media Display . Aser some time, the
vehicle automatically continues rising.
= Vehicles with E-ACTIVE BODY CONTROL: the
vehicle is raised to the maximum possible chassis level ( page 258).
If rising takes longer than 25 seconds, the fol-
lowing message appears on the Instrument Display:346Maintenance and care

Page 349 of 538

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�p�l�e�t�e� �S�e�e� �M�e�d�i�a� �D�i�s�p�l�a�y �.� �As�e�r � �s�o�m�e� �t�i�m�e�,� �t�h�e
�v�e�h�i�c�l�e� �a�u�t�o�m

Page 350 of 538

MERCEDES-BENZ GLS 2023 Owners Manual �T�o� �a�v�o�i�d� �d�a�m�a�g�e� �t�o� �y�o�u�r� �v�e�h�i�c�l�e�,� �o�b�s�e�r�v�e� �t�h�e� �f�o�l�-�l�o�w�i�n�g� �w�h�e�n� �u�s�i�n�g� �a� �p�o�w�e�r� �w�a�s�h�e�r�:
�= �T�h�e� �k�e�y� �i�s� �a�t� �a�

To avoid damage to your vehicle, observe the fol-lowing when using a power washer:
= The key is at a minimum distance of 10 s
(3 m) away from the vehicle. Otherwise the
tailgate could open unintentionally.
= Maintain a distance of at least 11.8 in (30 cm)
to the vehicle.
= Vehicles with decorative foil: Parts of your
vehicle are covered with a decorative foil. Maintain a distance of at least 27.6 in (70 cm)
between the foil-covered parts of the vehicle
and the nozzle of the power washer. Move the power washer nozzle around while cleaning.
The water temperature of the power washer
must not exceed 140 °F (60 °C).
= Observe the information on the correct dis-
tance in the equipment manufacturer\bs opera-
tor manual.
= Do not direct the nozzle of the power washer
directly at sensitive parts, e.g. tires, gaps,
electrical component parts, batteries, lighting
and louvers.Washing the vehicle by hand*NOTE Engine damage due to water ingressTake care not to point the water jet
directly towards the air inlet grille below the hood.
Observe the relevant legal requirements (e.g. in
some countries, washing by hand is permitted
only in specially designated wash bays).
Use a mild cleaning agent (e.g. car shampoo).Wash the vehicle with lukewarm water using a
sos car sponge. When doing so, do not
expose the vehicle to direct sunlight.Carefully hose the vehicle oM with water and
dry using a chamois.\bObserve the notes on the care of vehicle
parts ( page 350).
Notes on paintwork/matt Nnish paintwork care
To avoid damaging the paintwork and interfering
with the driving assistance systems, please
observe the following notes:
Paint
= Insect remains: soak with insect remover and
rinse oM the treated areas aserwards.
= Bird droppings: soak with water and rinse oM
aserwards.
= Tree resin, oils, fuels and greases: remove by
rubbing gently with a cloth soaked in petro- leum ether or lighter Ouid.
= Coolant and brake Ouid: remove with a damp
cloth and clean water.
= Tar stains: use tar remover.
= Wax: use silicone remover.
= Do not attach stickers, Nlms or similar materi-
als. Have Nlm attached to the bumper only at
a qualiNed specialist workshop.
= Remove dirt immediately, where possible.
Matt Nnish
= Use only care products approved for
Mercedes-Benz.
= Do not attach stickers, Nlms or similar materi-
als. Have Nlm attached to the bumper only at
a qualiNed specialist workshop.348Maintenance and care

Page 351 of 538

MERCEDES-BENZ GLS 2023 Owners Manual �=�D�o� �n�o�t� �p�o�l�i�s�h� �t�h�e� �v�e�h�i�c�l�e� �a�n�d� �a�l�l�o�y� �w�h�e�e�l�s�.
�= �U�s�e� �o�n�l�y� �c�a�r� �w�a�s�h�e�s� �t�h�a�t� �c�o�r�r�e�s�p�o�n�d� �t�o� �t�h�e
�l�a�t�e�s�t� �e�n�g�i�

=Do not polish the vehicle and alloy wheels.
= Use only car washes that correspond to the
latest engineering standards.
= Do not use any car wash program with a Nnal
hot wax treatment.
= Do not use paint cleaners, buPng or polishing
products or gloss preservers, e.g. wax.
In the event of paintwork damage:
= Always have paintwork repairs carried out at a
qualiNed specialist workshop.
= Make sure the radar sensors function
( page 211).
Notes on cleaning decorative foils
Observe the notes on matte Nnish care in the
"Notes on paintwork/matte Nnish paintwork care"
chapter ( page 348). They also apply to matte
decorative foils.
Observe the notes on cleaning decorative foils to
avoid damage.
Cleaning = For cleaning, use plenty of water and a mild
cleaning agent without additives or abrasive
substances (e.g. a car shampoo approved for Mercedes-Benz).
= Remove dirt as soon as possible. Avoid rub-
bing too hard in order to not irreparably dam-
age the decorative foil.
= If there is dirt on the Nnish or if the decorative
foil is dull: Use the Paint Cleaner recommen-
ded and approved for Mercedes-Benz.
= Insect remains: Soak with insect remover and
rinse oM the treated areas aserwards.
= Bird droppings: Soak with water and rinse oM
aserwards.
= To prevent water stains, dry a foil-wrapped
vehicle with a sos, absorbent cloth aser every
car wash.
Avoiding damage to the decorative foil = The service life and color of decorative foils
are impaired by:
- Sunlight
- Temperature (e.g. hot air blower)-Weather conditions
- Stone chippings and dirt
- Chemical cleaning agents
- Oily products
= Do not use polish on matte decorative foil.
Polishing will have the eMect of shining the
foil-wrapped surface.
= Do not treat matte or structured decorative
foils with wax. Permanent stains may occur.
Scratches, corrosive deposits, areas aMected by
corrosion and damage caused by incorrect care
cannot always be completely repaired. In this case, contact a qualiNed specialist workshop.
You can obtain more information on care and
cleaning agents from the manufacturer.
In the case of foil-wrapped surfaces, optical diMer-
ences may occur between the surfaces that were
not protected by a decorative foil aser removing a
decorative foil.\bHave work or repairs to decorative foils car-
ried out at a qualiNed specialist workshop
(e.g. in an authorized Mercedes-Benz Service
Center).Maintenance and care349

Page 352 of 538

MERCEDES-BENZ GLS 2023 Owners Manual �N�o�t�e�s� �o�n� �c�a�r�e� �o�f� �c�a�r� �p�a�r�t�s�&�W�A�R�N�I�N�G� �R�i�s�k� �o�f� �e�n�t�r�a�p�m�e�n�t� �i�f� �t�h�e� �w�i�n�d�-
�s�h�i�e�l�d� �w�i�p�e�r�s� �a�r�e� �s�w�i�t�c�h�e�d� �o�n� �w�h�i�

Notes on care of car parts&WARNING Risk of entrapment if the wind-
shield wipers are switched on while the
windshield is being cleaned
If the windshield wipers are set in motion
while you are cleaning the windshield or wiper
blades, you can be trapped by the wiper arm.
Always switch oM the windshield wipers
and the vehicle before cleaning the wind-
shield or wiper blades.
To avoid damage to the vehicle, observe the notes
on cleaning and care of the following car parts:
Wheels and rims
= Use water and acid-free alloy wheel cleaners.
= Do not use acidic alloy wheel cleaners to
remove brake dust. This could damage wheel
bolts and brake components.
= To avoid corrosion of the brake disks and
brakepads, drive the vehicle for a few minutes
aser cleaning before parking it. The brake
disks and brakepads warm up and dry out.
Windows
= Clean the windows inside and outside with a
damp cloth and with a cleaning agent recom-
mended for Mercedes-Benz.
= Do not use dry cloths or abrasive or solvent-
based cleaning agents to clean the inside of windows.\bAser changing the wiper blades or treating
the vehicle with wax, clean the windshield
thoroughly with cleaning agents recommen- ded for Mercedes-Benz. Failure to observe the
application instructions may result in damage,
smear marks or glare.\bRemove external fogging or dirt on the wind-
shield in front of the multifunction camera.
Otherwise, driving systems and driving safety
systems may be impaired or not available
( page 211).
Wiper blades
= Move the wiper arms into the replacement
position ( page 158).
= With the wiper arms folded out, clean the
wiper blades with a damp cloth.
\bMake sure that the wiper blades are coated.
The coating can leave residues on a cloth. Do
not rub the wiper blades excessively or clean them too osen.
Exterior lighting
= Clean the lenses with a wet sponge and mild
cleaning agent (e.g. car shampoo).
= Only use cleaning agents or cleaning cloths
that are suitable for plastic lenses.
Sensors = Clean the sensors in the front and rear bump-
ers with a sos cloth and car shampoo
( page 211).
= When using a power washer, maintain a mini-
mum distance of 11.8 in (30 cm).
Running boards
= Use water and acid-free cleaning agents.
= Do not clean the aluminum trim inserts of the
running board with alkaline or acidic cleaning
agents such as wheel cleaners. Do not use
acidic alloy wheel cleaners to remove brake dust. The aluminum trim inserts could other-wise be damaged.
350Maintenance and care

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