MERCEDES-BENZ GLS SUV 2022 Owners Manual

&
WARNING Risk of injur y from fuels
Fuels are poisonous and hazardous to your
healt
h. 
Do not swallow fuel or let it come into
cont

act with skin, eyes or clothing. 
Do not inhale fuel vapour. 
Keep children away from fuel. 
Keep doors and windows closed during
t

he refuelling process.
If you or other people come into contact with
fuel, obser
ve the following: 
Immediately rinse fuel oM y
our skin with
soap and water. 
If fuel comes into contact with your eyes,
immediat
ely rinse them thoroughly with
clean water. Seek medical attention
immediately. 
If you swallow fuel, seek medical atten-
tion immediat

ely. Do not induce vomit-
ing. 
Change immediately out of clothing that
has come int
o contact with fuel. &
WARNING Risk of Nr
e and explosion due
to electrostatic charge
Electrostatic charge can ignite fuel vapour. 
Before you open the fuel Nller cap or
t
ake hold of the pump nozzle, touch the
metallic vehicle body. 
To avoid creating another electrostatic
c

harge, do not get into the vehicle again
during the refuelling process. &
WARNING Risk of Nr
e from fuel mixture
Vehicles with a diesel engine:
If y
ou mix diesel fuel with petrol, the Oash
point of the fuel mixture is lower than that of
pure diesel fuel.
While the vehicle is running, component parts
in the exhaust system may overheat without
warning. 
Never refuel using petrol. 
Never mix petrol with diesel fuel. *
NOTE Damag
e caused by the wrong fuel Vehicles with a petrol engine:
Ev

en small amounts of the wrong fuel could
result in damage to the fuel system, the
engine and the emission control system. 
Only refuel using unleaded, sulphur-free
spar
k-ignition engine fuel that conforms
to European EN 228, or an equivalent
speciNcation.
Fuel of this speciNcation ma
y contain up to
10% ethanol. Your vehicle is suitable for use
with E10 fuel.
Never refuel with one of the following fuels:
= Diesel
= Regular petrol with an octane number
lower than 91 RON 218
Driving and parking

=
P etrol with more than 10% ethanol by vol-
ume, e.g. E15, E20, E85, E100
= Petrol with more than 3% methanol by vol-
ume, e.g. M15, M30
= Petrol with additives containing metal
If you have accidentally refuelled with the
wrong fuel: 
Do not switch on the vehicle. 
Consult a q
ualiNed specialist workshop. *
NOTE Damag
e caused by the wrong fuel Vehicles with a diesel engine:
Ev

en small amounts of the wrong fuel could
result in damage to the fuel system, the
engine and the emission control system. 
Only refuel using sulphur-free diesel fuel
t

hat conforms to European standard
EN 590, or an equivalent speciNcation.
In countries without sulphur-free diesel
fuel, refuel using only low-sulphur diesel fuel with a sulphur content less than
50 ppm.
Never refuel with one of the following fuels: = P

etrol
= Marine diesel
= Heating oil
= Pure bio-diesel or vegetable oil
= ParaPn or kerosene
If you have accidentally refuelled with the
wrong fuel: 
Do not switch on the vehicle. 
Consult a q
ualiNed specialist workshop. *
NOTE Do no
t use diesel to refuel vehicles
with a petrol engine If you have accidentally refuelled with the
wr
ong fuel:
= Do not switch on the vehicle. Otherwise
fuel can enter the engine. Even small amounts of the wrong fuel
could r

esult in damage to the fuel system
and the engine. The repair costs are high. 
Consult a q
ualiNed specialist workshop. 
Have the fuel tank and fuel lines drained
com

pletely. *
NOTE Do no
t use petrol to refuel vehicles
with a diesel engine If you have accidentally refuelled with the
wr
ong fuel:
= Do not switch on the vehicle. Otherwise,
fuel can enter the fuel system.
Even small amounts of the wrong fuel
could result in damage to the fuel system
and the engine. The repair costs are high. 
Consult a q
ualiNed specialist workshop. 
Have the fuel tank and fuel lines drained
com

pletely. Driving and parking
219

*
NOTE Damag e to the fuel system due to
overNlling the fuel tank 
Only Nll t
he fuel tank until the pump noz-
zle switches oM.
If too much fuel has been added due, for
e
xample, to a faulty Nlling pump: 
Do not switch on the vehicle. 
Consult a q
ualiNed specialist workshop.*
NOTE F
uel may spray out when you
remove the fuel pump nozzle 
Only Nll t
he fuel tank until the pump noz-
zle switches oM. Requirements:
= The v

ehicle is unlocked.
Observe the notes on operating Ouids and fuel.
The recommended octane number for your vehi-
cle can be found on the information label in the
fuel Nller Oap. 1
Fuel Nller Oap
2 Bracket for fuel Nller cap
3 Fuel type
4 QR code for rescue card
5 Tyre pressure table 
Press on the back area of fuel Nller Oap 1. 
Turn the fuel Nller cap anti-cloc
kwise and
remove it. 
Insert fuel Nller cap fr
om above into bracket
2. 
Completely insert the pump nozzle into the
t
ank Nller neck, hook in place and refuel. 
Only Nll t
he fuel tank until the pump nozzle
switches oM.
% Vehicles with a diesel engine: t
he tank Nller
neck is designed for refuelling at diesel Nlling
pumps.
Your vehicle is equipped with an incorrect
fuelling protector to prevent Nlling up with the
wrong fuel. This function may be deactivated
in some countries due to local circumstances.
For more information, consult a Mercedes-
Benz service centre.
% Vehicles with a diesel engine: when t
he fuel
tank is completely empty, top up with at least
5 litres of diesel.
% Vehicles with a diesel engine: use a Nller nec
k
with a large diameter for vehicles with a diesel
engine when topping up fuel from a fuel can.
Otherwise, the Nller neck cannot slide into the
tank. 220
Driving and parking

Your vehicle is equipped with an incorrect
fuelling pr
otector to prevent Nlling up with the
wrong fuel. This function may be deactivated
in some countries due to local circumstances.
For more information, consult a Mercedes-
Benz service centre. 
Replace the cap on the Nller nec
k and turn
clockwise until it engages audibly. 
Close fuel Nller Oap 1. AdBlue
n
(v
ehicles with a diesel engine only) Notes on topping up AdBlue
n
A
dBlue n
is a water-soluble Ouid for the NOx
exhaust gas asertreatment of diesel engines. In
order for the exhaust gas asertreatment to func-
tion properly, only use AdBlue n
in accordance
with ISO 22241.
AdBlue n
is characterised by the following:
= non-toxic
= colourless and odourless
= non-Oammable If you open the AdBlue
n
t
ank, small amounts of
ammonia vapour may be released. Only Nll the
AdBlue n
tank in well-ventilated areas.
Do not let AdBlue n
come into contact with skin,
eyes or clothes. Keep AdBlue n
away from chil-
dren.
Do not ingest AdBlue n
. If AdBlue n
is swallowed,
immediately rinse your mouth out thoroughly.
Drink plenty of water. Seek medical attention at
once.
Observe the notes on operating Ouids
( page 427).
AdBlue n
is available here:
= AdBlue n
can be topped up by fast service at a
qualiNed specialist workshop, e.g. a
Mercedes-Benz Service Centre.
= AdBlue n
is available at many Nlling stations
from AdBlue n
Nlling pumps.
= Alternatively, AdBlue n
is available at qualiNed
specialist workshops, e.g. Mercedes-Benz
Service Centres, and at many Nlling stations in
AdBlue n
reNll canisters or AdBlue n
reNll bot-
tles. %
Ensure the connection between the r eNll con-
tainer and vehicle Nller neck does not drip.
Topping up AdBlue n
* NOTE Engine damag
e due to AdBluen
being in the fuel 
AdBlue n
mus
t not be used to Nll the fuel
tank. 
Only use AdBlue n
t
o Nll the AdBlue n
tank. 
Do not o
verNll the AdBluen
tank. *
NOTE Cont
amination of the vehicle inte-
rior due to AdBlue n
leakage 
Aser t
opping up, carefully close the
AdBlue n
reNll container. 
Avoid carrying AdBlue n
r
eNll containers
permanently in the vehicle. Requirements:
= The v

ehicle is unlocked. Driving and parking
221

The following messages appear in order in the
Ins trument Display when the AdBlue n
tank
requires topping up:
= Refill AdBlue See Owner

available, you can also top up AdBlue
n
using a
canis ter. 
Screw on the fastener of AdBlue n
r
eNll canis-
ter 4. 
Screw the disposable hose 3 ont
o the open-
ing of AdBlue n
reNll canister 4 until hand-
tight. 
Screw the disposable hose 3 ont
o the Nller
neck of the vehicle until hand-tight. 
Lis up and tip A
dBluen
reNll canister 4.
The Nlling process stops when the AdBlue n
tank is completely full. AdBlue
n
r
eNll canister 4 can be removed
when it has been only partially emptied. 
Unscrew and close the disposable hose 3
and A
dBluen
reNll canister 4 in reverse
order. 
Replace AdBlue n
Nller cap 2 and tur
n it
clockwise until it audibly engages. 
Close fuel Nller Oap 1. 
Switch on the vehicle for at least 60 seconds.
% If the vehicle could not be started as the
A

dBlue n
tank was empty, it can take up to
60 seconds for the reNll to be detected. 
Start the vehicle.
% Avoid storing AdBlue n
r
eNll containers perma-
nently in the vehicle. Parking
Parking the vehicle
&
WARNING Risk of accident and injur
y
caused by an insuPciently secured vehi-
cle rolling away
If the vehicle is not securely parked suP-
cientl
y, it can roll away in an uncontrolled way
even at a slight downhill gradient. 
On uphill or downhill gradients, turn the
fr

ont wheels so that the vehicle rolls
towards the kerb if it starts moving. 
apply the parking brake. 
Switch the transmission to position j. &
WARNING Risk of Nr
e caused by hot
exhaust system parts
Flammable materials such as leaves, grass or
twigs ma
y ignite. 
Park the vehicle so that no Oammable
mat
erial can come into contact with hot
vehicle components. Driving and parking
223


In particular, do not park on dry grass-
land or har vested grain Nelds. &
WARNING Risk of accident and injur
y due
to leaving children unattended in the vehi-
cle
If children are les unatt
ended 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 transmission position.
= starting the vehicle. 
Never leave children unattended in the
v
ehicle. 
When leaving the vehicle, always take the
k
ey with you and lock the vehicle. 
Keep the vehicle key out of the reach of
c
hildren. *
NOTE Damag
e to the vehicle due to it roll-
ing away 
Always secure the vehicle against rolling
a
way. *
NOTE Damag
e due to the vehicle lowering Vehicles with AIRMATIC or E-ACTIVE BODY
C

ONTROL: The vehicle can lower because of
temperature diMerences or longer non-opera-
tional times. This can cause damage to parts
of the body. 
When stopping the vehicle and when
dr
iving oM, make sure that there are no
obstacles such as curbs under or in the
immediate vicinity of the body. 
Bring the vehicle to a standstill by pressing the
br
ake pedal. 
On gradients, turn the front wheels so that the
v
ehicle will roll towards the kerb if it starts
moving. 
Apply the electric parking brake. 224
Driving and parking


Engage transmission position j in a s tation-
ary vehicle with the brake pedal depressed
( page 212). 
Switch oM t
he vehicle by pressing button 1.
Release the service brake slowly. 
Get out of the vehicle and lock it.
% When you park the vehicle, you can still oper-
at

e the side windows and the sliding sunroof
for approximately four minutes if the driver's
door is closed.
% When you park the vehicle, you can still oper-
at

e the side windows and the panoramic slid-
ing sunroof for approximately four minutes if
the driver's door is closed. Garage door opener
Programming buttons for the garage door opener
&
DANGER Risk of f
atal injuries due to
exhaust gases
Combustion engines emit poisonous exhaust
g
ases such as carbon monoxide. Breathing in these exhaust gases is hazardous to health
and r

esults in poisoning. 
Never leave the engine and, if present,
t

he stationary heater, running in an
enclosed space without suPcient venti-
lation. &
WARNING Risk of injur
y by becoming
trapped when opening and closing a
garage door
When you operate or program a garage door
wit
h an integrated garage door opener, per-
sons can become trapped or struck by the
garage door if they stand within its range of
movement. 
Always make sure that nobody is within
t
he range of the garage door's move-
ment. Before programming the garage door opener, park
t
he vehicle outside the garage. Make sure that the
vehicle is switched on but not started. Requirements:
= The v

ehicle has been parked outside the
garage or outside the range of movement of
the door.
= The vehicle is switched on.
= The vehicle has not been started.
% The garage door opener function is always
a

vailable when the vehicle is switched on. Driving and parking
225


Press and hold button 1, 2 or 3 t hat you
wish to program.
Indicator lamp 4 Oashes yellow.
% It can take up to 20 seconds before the indi-
cat
or lamp Oashes yellow. 
Release the previously pressed button.
Indicat

or lamp 4 continues to Oash yellow.
Point remote control 5 fr
om a distance of
1 cm to 8 cm towards button 1, 2 or 3.
Press and hold button 6 of r
emote control
5 until one of the following signals appears:
= Indicator lamp 4 lights up green continu-
ously. Programming is complete.
= Indicator lamp 4 Oashes green. Program-
ming was successful. Additionally, syn-
chronisation of the rolling code with the
door system must be carried out. 
If indicator lamp 4 does no
t light up or Oash
green: repeat the procedure. 
Release all of the buttons. %
The remote control for the door drive is not
included in t

he scope of delivery of the garage
door opener.
Synchronising the rolling code
R
equirements:
= The door system uses a rolling code.
= The vehicle must be within range of the garage
door or door drive.
= The vehicle as well as persons and objects are
located outside the range of movement of the
door. 
Press the programming button on the door
dr

ive unit.
Initiate the next step within approximately
30 seconds. 
Press previously programmed button 1, 2
or 3 r
epeatedly until the door closes.
When the door closes, programming is com-
pleted.
% Please also read the operating instructions for
t

he door drive. Troubleshooting when programming the remote
contr

ol 
Check if the transmitter frequency of remote
contr

ol 5 is supported. 
Replace the batteries in remote control 5. 
Hold remote control 5 at v
arious angles from
a distance of 1 cm to 8 cm front of the inside
rearview mirror. You should test every position
for at least 25 seconds before trying another
position. 
Hold remote control 5 at t
he same angles at
various distances in front of the inside rear
view mirror. You should test every position for
at least 25 seconds before trying another
position. 
On remote controls that transmit only for a
limit
ed period, press button 6 on remote
control 5 again before transmission ends. 
Angle the aerial line of the garage door opener
unit t
owards the remote control. 226
Driving and parking

%
It is possible that older garage doors cannot
be oper ated using the remote control in the
inside rearview mirror even aser you have
successfully performed the measures descri-
bed above. If this is the case, contact the
HomeLink n
Hotline.
% Support and additional information on pro-
g

ramming:
= on the HomeLink n
Hotline on (0) 08000
466 354 65 or +49 (0) 6838 907-277
= on the Internet at https://
www.homelink.com
Opening or closing the garage door
R
equirements:
= The corresponding button is programmed to
operate the door. 
Press and hold buttons 1, 2 or 3 until t
he
door opens or closes. 
If indicator lamp Oashes 4 y
ellow aser
approximately 20 seconds: press and hold the
previously pressed button again until the door
opens or closes. Clearing the garage door opener memory 
Press and hold buttons 1 and 3.
Indicat
or lamp 4 lights up yellow. 
If indicator lamp 4 Oashes g
reen: release
buttons 1 and 3.
The entire memory has been deleted. Electric parking brake
Function of the electric parking brake (applying
aut
omatically) &
WARNING Risk of accident and injur
y due
to leaving children unattended in the vehi-
cle
If children are les unatt
ended 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
v

ehicle in motion by, for example:
= releasing the parking brake.
= changing the transmission position.
= starting the vehicle. 
Never leave children unattended in the
v
ehicle. 
When leaving the vehicle, always take the
k
ey with you and lock the vehicle. 
Keep the vehicle key out of the reach of
c
hildren. The electric parking brake is applied if the trans-
mission is in position j and one of t

he following
conditions is fulNlled:
= The vehicle is switched oM.
= The seat belt tongue is not inserted in the seat
belt buckle of the driver's seat and the driver's
door is opened.
= The transfer case is in the LOW RANGE posi-
tion. Driving and parking
227