warning MERCEDES-BENZ GLS SUV 2021 Repair Manual

Ov
Ov
er
ervie
vie w of bag hooks
w of bag hooks &
W
WARNING
ARNING Risk of injury when using bag
hooks with heavy objects
The bag hooks cannot restrain he avy objects
or items of lug gage.
Objects or items of luggage may be 0ung
around and hit vehicle occupants. #
Only hang light objects on the bag
hooks. #
Never hang hard, sharp-edged or fragile
objects on the bag hooks. Obser
vethe no tes on loading theve hicle
(/ page 135).
Subject the bag hooks toa maximum load of 3 kg
and do not attach any goods tothem. 1
Bag hook Coat hook on t
Coat hook on t
he t
he tailg
ailgate
ate This equipment is
available for all vehicles except
Mercedes-M aybach vehicles. 1
Coat hook on theta ilgate
Coat hooks are not suitable for heavy objects.
Use the coat hooks only for light objects such as
jac kets. Loc
Loc
king and unloc
king and unloc king t
king the load com
he load com par
partment
tment
0oor
0oor This equipment is
available for all vehicles except
Mercedes-M aybach vehicles. 148
148
Seats and st
owing

#
Turn the emer gency key a quarter turn cloc k-
wise 2(to lock) or anti-clockwise 1(to
unlock). A
A
tt
tt ac
ac hing a r
hing a r oof lugg
oof lugg ag
age r
e r ack
ack &
W
WARNING
ARNING Risk of accident due toexceed-
ing the maximum roof load
The vehicle cent reofgrav ity and the usual
driving characteristics as well as the steering
and braking characteristics alter.
If yo uex ceed the maximum roof load, the driv-
ing characteristics, as well as steering and
braking, will be greatly impaired. #
Neverex ceed the maximum roof load
and adjust your driving style. Yo
u will /nd information on the maximum roof
load in the "Technical data" section.
* N
NO OTE
TE Damage totheve hicle due tonot
observing the maximum permitted head-
ro om clearance If
th eve hicle height is greater than the maxi-
mum permitted headroom clearance, thero of
and other parts of theve hicle may be dam-
aged. #
Obser vethe signposted headroom clear-
ance. #
Ifth eve hicle height is greater than the
permitted headroom clearance, do not
enter. #
Obser vethech anged vehicle height with
add-on roof equipment. *
N NOOTE
TE Vehicle damage from non-appr oved
ro of luggage racks The
vehicle could be damaged byroof luggage
ra ck sth at ha venot been tested and appro ved
fo r Mercedes-Benz. #
Use only roof luggage rack ste sted and
appro vedfo r Mercedes-Benz. #
Depending on theve hicle equipment,
ensu rethat the sliding sunroof can be
fully raised when thero of luggage rack is
/t ted. #
Depending on theve hicle equipment,
ensu rethat theta ilgate can be fully Seats and st
owing
149
149

opened when
thero of luggage rack is /t-
te d. #
Position the load on thero of luggage
ra ck in such a wayth at theve hicle will
not sus tain damage even when it is in
motion. *
N
NOOTE
TE Damage tothe panorama sliding
sunroof due tonon-appro vedro of luggage
ra cks The panorama sliding sunroof may be dam-
aged bythero of luggage rack ifyo u attem ptto
open it when using a roof luggage rack not
te sted and appro vedfo r Mercedes-Benz. #
When a roof luggage rack is /t ted, open
th e panorama sliding sunroof only if this
has been tested and appro vedfor
Mercedes-Benz.
The pano rama sliding sunroof may be raised
to allow ventilation of theve hicle interior. 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
(/ page 135).
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 205). #
Secu rethero of luggage rack tothero of rail-
ing. #
Obser vethe manufacturer's installation
inst ructions. Cup holders
Cup holders
Switc
Switc
hing t
hing t he cooling or heating function f
he cooling or heating function f or t
or the
he
t
t em
em per
per atur
atur e-contr
e-contr olled cup holder on or
olled cup holder on or o.
o. &
W
WARNING
ARNING Risk of injury bytouching the
heating elements
The cup holder's heating elements may be
ve ry hot.
Yo u can burn yourself on them. #
Do not touch the cup holder's hot heat-
ing elements. #
Ensure that no children can access the
cup holder's hot heating elements. #
Never lea vechildren unattended in the
ve hicle. *
N NOOTE
TE Damage toobjects in thete mp era-
ture-controlled cupholder If
yo u place objects into thete mp erature-con-
trolled cup holder, they may become dam-
aged. 150
150
Seats and st
owing

#
Insert the plug of the device into 230 V soc ket
1 .
When the on-board electrical system voltage is
su1cient, indicator lamp 2lights up. Ov
Ov
er
ervie
vie w of USB por
w of USB por ts
ts Depending on
theve hicle equipment, theve hicle
has thefo llowing USB ports:
R inthe st owage compartment of the cockpit
armrest (/ page 138)
R inthe front centre console next tothe mobile
phone st owage compartment
R inthere ar cent reconsole
R vehicles with Rear Comfort Package: in the
cent rearmrest of the second row of seats in
th ere ar compartment
R Mercedes-Maybach vehicles with 5 seats in
th ere ar compartment: in the centre armrest
in there ar compartment
R Mercedes-Maybach vehicles with individual
re ar seats: in the centre console of there ar
compartment R
vehicles with thre ero ws of seats: totheright
and leT next tothe seat
If th eve hicle is switched on you can charge USB
devices, e.g. mobile phones, at USB ports. The
ch arging voltage is appr oximately 5 V (up to3 A). Coolbox Coolbox
Using t
Using t
he r
he refr
efrig
iger
er at
ator box
or box &
W
WARNING
ARNING Risk of /re due toa co vered
ve ntilation grille on the coolbox
If yo u co verth eve ntilation grille forth e cool-
box, it may overheat. #
Always make sure that theve ntilation
gr ille is not co vered. The
vent grille forth ere frigerator box is in the
boot.
This equipment is available only for Mercedes-
Maybach vehicles.
The refrigerator box can bear a maximum load of
3.5 kg. St
ore only plastic bottles in the upper compart-
ment of there frigerator box. The contents of the
bottle must be no more than 0.5 lit res.
If yo u do not need touse there frigerator box for
an extended period, switch it o., defrost it and
clean it. ATer doing so, lea vethe lid open for a
time.
More condensation may occur during intensive
use. Cleaning may be requ ired.
The refrigerator box will reduce its cooling capa-
city or switch o. in thefo llowing cases:
R Too many electrical consumers are turned on.
R The star ter battery is not su1ciently charge d.
If th is is the case, the indicator lamps will 0ash on
th e button for switching there frigerator box on
and o.. The cooling function will au tomatically
switch back on as soon as there is su1cient volt-
age.
% Toinstall there frigerator box in the load com-
partment or remo veit, please contact a quali-
/ed specialist workshop. 154 154
Seats and st
owing

Example:
vehicles with individual rear seats #
Vehicles with 5-seater variant: fold down the
re ar armrest. #
Pull handle on st owage box 1and fold down
th e co ver of st owage box 2. Example:
vehicles with individual rear seats #
T
To open:
o open: pullthe handle on refrigerator box
1 and fold down the co ver of there frigerator
box. #
T
To switc
o switc h on:
h on:press but ton2 repeatedly until
an indicator lamp (low cooling) lights up or two
indicator lamps (high cooling) light up. #
T
To switc
o switc h
ho.:
o.: press button 2repeatedly until
bo th indicator lamps go out. W
W
ir
ireless c
eless c har
harging of t
ging of t he mobile phone and con-
he mobile phone and con-
nection wit
nection wit h t
h the e
he e xt
xter
er ior aer
ior aer ial
ial N
No
ot
tes on wir
es on wir elessl
elessly c
y c har
har ging t
ging t he mobile phone
he mobile phone &
W
WARNING
ARNING Risk 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 recep tacles cann otalw aysreta in all
objects within.
There is a risk of injur y,particular lyin the
eve nt of sudden braking or a sudden change
in direction. #
Always st owobjects so that they cann ot
be thro wn around in such situations. Seats and st
owing
155 155

#
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. #
Always st owand secure heavy, hard,
poin ted, sharp-edged, fragile or bulky
objects in the boot/load compartment. Obser
vethe no tes on loading theve hicle. &
W
WARNING
ARNING Risk of /re from placing objects
in the mobile phone st owage compart-
ment
Placing other objects in the mobile phone
st ow age compartment could constitute a /re
hazard. #
Apart from a mobile phone, do not place
any other objects in the mobile phone
st ow age compartment, especially those
made of me tal. *
N NOOTE
TE Damage toobjects caused byplac-
ing them in the mobile phone st owage
compartment If objects are placed in
the mobile phone
st ow age compartment, these may be dam-
aged byelectromagnetic /elds. #
Do not place credit cards, storage
media, ski passes or other objects sensi-
tive toelectromagnetic /elds in the
mobile phone st owage compartment. *
N NOOTE
TE Damage tothe mobile phone st ow-
age compartment caused byliquids If liquids enter
the mobile phone st owage
compartment, the compartment may be dam-
aged. #
Ensure that no liquids enter the mobile
phone st owage compartment. Alw
ays obser vethe no tesfo r persons with elec-
tronic medical aids (/ page 37). R
Depending on theve hicle equipment, the
mobile phone is connected totheve hicle's
ex terior aerial via thech arging module.
R The charging function and wireless connection
of the mobile phone totheve hicle's exterior
aerial are only available if theve hicle is
switched on.
R Small mobile phones may not be able tobe
ch arge d in everyposition of the mobile phone
st ow age compartment.
R Largemobile phones which do not rest 0at in
th e mobile phone st owage compartment may
not be able tobe charge d or connected with
th eve hicle's exterior aerial.
R The mobile phone may heat up during the
ch arging process. This may also depend on
th e applications (apps) cur rently open in the
background.
R Toensure more e1cient charging and connec-
tion with theve hicle's exterior aerial, remo ve
th e pr otective co ver from the mobile phone.
Pr otective co vers which are necessary for
wireless charging are an exception. 156
156
Seats and st
owing

Mat in front of
the st owage compartment in there ar
armrest Mat in
the centre console of there ar compartment
(only Mercedes-Maybach vehicles with individual rear
seats) #
Place the mobile phone as close tothe centre
of mat 1as possible with the display facing
upwards.
When the indicator lamp lights up, the mobile
phone is being charge d. F F
itting/r
itting/r emo
emoving t
ving t he
he0oor
0oor mats
mats &
W
WARNING
ARNING Risk of accident due toobjects
in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardises the operating and road saf ety
of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. #
Always /t the 0oor mats securely and as
prescribed in order toensure that there
is alw ays su1cient room forth e pedals. #
Do not use loose 0oor mats and do not
place 0oor mats on top of one ano ther. F
F
itting
itting 0oor
0oormats
mats #
Movethe cor responding seat backwards and
lay the 0oor mat in thefo ot we ll. #
Press studs 1onto holders 2. #
Adjust the cor responding seat. 158
158
Seats and st
owing

5
L Low beam/high beam
6 R Switches there ar fog light on/o.
When low beam is activated, theT indicator
lamp forth e standing lights will be deactivated
and replaced bytheL low- beam indicator
lamp. #
Always park your vehicle safely using su1cient
lighting, in accordance with there leva nt legal
stipulations.
* N
NO OTE
TE Battery dis charging byoperating the
standing lights Operating
the standing lights over a period of
hours puts a strain on the batter y. #
Where possible, switch on theright X
or leT Wparking light. Fo
rve hicles that are wider than 2 m or lon ger
th an 6 m,single-sided parking lighting is not per-
mitted in some countries. In this case, the stand-
ing lights are also switched on in the parking
lights position. If
th e battery is insu1cient lych arge d, the stand-
ing lights or parking lights will be switched o.
automatically tofacilitate the next engine start.
The exterior lighting (e xcept standing and parking
lights) will switch o. automatically when the driv-
er's door is opened.
R Obser vethe no tes on sur round lighting
(/ page 166).
A
A ut ut omatic dr
omatic dr iving lights function
iving lights function
When theve hicle is switched on, the standing
lights, low beam and daytime running lights are
switched on automatically depending on the light
conditions. &
W
WARNING
ARNING Risk of accident when the
dipped beam is switched o. in poor visi-
bility
When the light switch is set toà ,the
dipped beam may not be switched on auto-
matically if there is fog, snow or other causes
of poor visibility such as spr ay. #
In such cases, turn the light switch to
L . The automatic driving lights are only an aid.
Yo u
are responsible forve hicle lighting.
Switc Switc hing t
hing t he r
he rear f
ear f og lights on or
og lights on or o.
o.
R
R eq
eq uir
uir ements:
ements:
R The light switch is in theL orà posi-
tion. #
Press the R button.
Please obser vethe count ry-speci/c la wsonthe
use of rear fog lamps.
% Vehicles with AIRMATIC or E- ACTIVE BODY
CO NTROL with o.-road pac kage : when the
re ar fog light is switched on, o.-road le vel +3
will not be available. If there ar fog light is
switched on and o.-road le vel +3 is activated,
th eve hicle will be lo weredto o.-road le vel
+2. Light and sight
161
161

The hazard
warning lights will switch on automati-
cally if:
R the airbag has been deplo yed.
R theve hicle is heavily braked from a speed of
more than 70 km/h toa standstill.
When you pull away again, the hazard warning
light system will switch o. automatically at
appr oximately 10 km/h. You can also switch o.
th e hazard warning light system using button 1.
When the turn signal indicator is activated, the
hazard warning lights will be inter rupted. Int
Int
ellig
ellig ent Light Syst
ent Light Syst em
em Int
Int
ellig
ellig ent Light Syst
ent Light Syst em function
em function
The MULTIBEAM LED headlamps adapt tothe
driving and weather situation and pr ovide exten-
ded functions for impr oved illumination of the
ro ad.
The system comprises thefo llowing functions:
R Active headlamps (/ page 163)
R Cornering light (/ page 163)
R Motorw ay mode (/ page 164) R
Enhanced fog light function (/ page 164)
R O.-road light (/ page 164)
The system is active only when it is dar k.
A
A ctiv
ctiv e headlam
e headlamps function ps function R
The headlamps follow the steering mo ve-
ments.
R Releva nt areas are better illumina ted during a
journe y.
The functions are active when the low beam is
switched on.
Depending on theve hicle's equipment, the course
of the lane in which you are driving will also be ev
aluated and the active headlamps function will
adjust the light in advance.
Cor
Cor ner nering light function
ing light function The cornering light impr
ovesth e illumination of
th e car riag ewa yove r a wide angle in the turning
direction, enabling better visibility on tight bends,
fo rex ample. It can be activated only when the low
beam is switched on.
The function is active under thefo llowing condi-
tions:
R Atspeeds below 40 km/h when the turn sig-
nal light is switched on or the steering wheel
is turned Light and sight
163 163

4
° Continuous wiping, slow
5 ¯ Continuous wiping, fast #
Turn the combination switch tothe cor re-
sponding position 1-5. #
Single wipe/w
Single wipe/w ashing:
ashing:pushthe button on the
combination switch in the direction of ar row
1 .
R í Single wipe
R î Wiping with washer 0uid
% Obser vethe no tes on washing theve hicle in a
car wash (/ page 371).
V
V ehicles wit
ehicles wit h MA
h MAGIC VISION C
GIC VISION C ONTR
ONTROL:
OL:in posi-
tion 2or3 ,th e windscreen washing process
is automatically triggered if dirt is de tected on the
windscreen unless theTop up washer fluid mes-
sage is being displa yed. Switc
Switc
hing t
hing t he r
he rear windo
ear windo w wiper
w wiperon/o.
on/o. 1
ô Single wipe/washing
2 è Intermittent wiping #
Single wipe:
Single wipe: press button 1tothe point of
re sis tance. #
W
Wiping wit
iping wit h w
h washer
asher 0uid:
0uid:press button 1
be yond the point of resis tance. #
Switc
Switc hing int
hing int er
ermitt
mitt ent wiping
ent wiping on/o.:
on/o.:press
button 2.
V
V ehicles wit
ehicles wit h r
h rain sensor:
ain sensor: the wipe inter val
automatically adapts tothe driving conditions.
The è symbol will appear on the inst ru-
ment cluster when there ar wind owwiper is
switched on. R
R
eplacing t
eplacing t he windscr
he windscr een wiper blades
een wiper blades &
W
WARNING
ARNING Risk of becoming trapped if the
windscreen wipers are switched on while
wiper blades are being replaced
If th e windscreen wipers begin tomo vewhile
yo u are changing the wiper blades, you can be
trapped bythe wiper arm. #
Always switch o. the windscreen wipers
and vehicle before changing the wiper
blades. Light and sight
169 169