wheel MERCEDES-BENZ GLS SUV 2021 Owner's Manual

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

R
Atspeeds between 40 km/h and 70 km/h
when the steering wheel is turned
R
R oundabout and junction function:
oundabout and junction function: the cornering
light will be activated on bo thsides based on an
ev aluation of theve hicle's cur rent GPS position. It
will remain active until aTer theve hicle has leT
th e roundabout or the junction.
Mot
Mot orwa
or wa y mode function
y mode function
Mo torw ay mode increases thera nge and bright-
ness of the cone of light, enabling better visibility. The function will be active if a mo
torw ay journey
is de tected bymeans of:
R theve hicle's speed R
the multifunction camera
R the GPS
The function will not be active at speeds below
80 km/h.
Enhanced f Enhanced f og light function
og light function
The enhanced fog light function reduces self-daz-
zling and impr ovesth e illumination of the edge of
th e car riag ewa y. The function is automatically activated under
the
fo llowing conditions:
R Atspeeds below 70 km/h and when there ar
fo g light is switched on. The function is automatically deactivated under
th
efo llowing conditions:
R When speeds greater than 100 km/h are
re ached.
R When there ar fog light is switched o..
% You can activate the enhanced fog light func-
tion up toa speed of 100 km/h byswitching
on there ar fog light.
F F unction of t
unction of t he
heo.-r
o.-r oad
oad light
light
The o.-road light impr oves illumination during o.-
ro ad driving. The low beam is distributed symmet-
ri cally and across a wide angle, and brightness is
increased slight ly. This makes it easier to/nd your
wa y when driving o.-road and todetect obs tacles
at an ear lystage. The acti veheadlamps are deac-
tivated during this time so that steering mo ve-
ments do not change the illumination.
The function is active when the low beam is
switched on if you are not driving at a speed
gr eater than 50 km/h and theF (O.rO.r oad
oad) or
G (O.rO.r oad
oad Plus
Plus) drive prog ram has been
selected. 164
164
Light and sight

R
R
emo
emo ving t
ving t he wiper blade
he wiper blade #
Switch theve hicle o.. #
Fold wiper arm 2awa y from there ar wind ow
until it engages in there placement position. #
Unclip wiper blade 1from wiper arm 2and
re mo veit in the direction of ar row 3. F
F itting t
itting t he wiper blade
he wiper blade #
Position wiper blade 1with bo thlugs 3on
holder 2onthe wiper arm. #
Push wiper blade 1inthe direction of ar row
4 until it engages in holder 2. #
Make sure that wiper blade 1is seated cor-
re ctl y. #
Foldthe wiper arm from there placement posi-
tion back onto there ar wind ow. Mirr
Mirr
ors
ors Oper
Oper
ating t
ating t he outside mirr
he outside mirr ors
ors &
W WARNI NG
ARNI NGRisk of accident due toadjust-
ing theve hicle settings while theve hicle is
in motion
Yo u could lose control of theve hicle in thefo l-
lowing situations in particular:
R ifyo u adjust the driver's seat, the head
re straint, the steering wheel or the mir ror
while theve hicle is in motion
R ifyo ufa sten your seat belt while theve hi-
cle is in motion #
Before starting theve hicle: in particular,
adjust the driver's seat, head restraint,
stee ring wheel and mir ror,and fasten
yo ur seat belt. Light and sight
173 173

A
A
ut
ut omatic anti-dazzle mirr
omatic anti-dazzle mirr or
ors function
s function &
W
WARNING
ARNING Risk of acid burns and poison-
ing due tothe anti-dazzle mir ror electro-
ly te
Electrolyte may escape if the glass in an auto-
matic anti-dazzle mir ror breaks.
The electrolyte is hazardous tohealth and cau-
ses ir rita tion. It must not come into contact
with your skin, eyes, respiratory or gans or
clo thing or be swallo wed. #
Ifyo u come into contact with electrolyte,
obser vethefo llowing:
R Immediate lyrinse the electrolyte
from your skin with water and seek
medical attention.
R If electrolyte comes into contact with
your eyes, immediately rinse them
th oroughly with clean water and seek
medical attention.
R Ifth e electrolyte is swallo wed, imme-
diately rinse your mouth out thor-
oughl y.Do not induce vomiting. Seek
medical attention immediatel y. R
Immediately change out of clo thing
which has been contaminated with
electrolyte.
R If an allergic reaction occurs, seek
medical attention immediatel y. The inside
rear-view mir ror and the outside mir ror
on the driver's side will automatically go into anti-
dazzle mode if light from a headlamp hits the sen-
sor on the inside rear-view mir ror.
Syst Syst em limits
em limits
The system will not go into anti-dazzle mode if: R theve hicle is switched o..
R Reversege ar is engaged.
R The interior lighting is switched on. F
F
r
ront-passeng
ont-passeng er outside mirr
er outside mirr or par
or parking position
king position
function
function %
The parking position is available only in vehi-
cles with a memory function.
The parking position makes parking easier. In
thefo llowing situations, the front-passenger
outside mir ror will swivel down wards in the direc-
tion of there ar wheel on the front passenger's
side:
R the parking position is stored (/ page 176)
R The front-passenger mir ror is selected
R Reversege ar is engaged.
The front-passenger outside mir ror will mo veback
to its original position in thefo llowing situations:
R You shiT the transmission toano ther transmis-
sion position
R You are tr avelling at speeds greater than
15 km/h
R You press the button forth e outside mir ror on
th e driver's side Light and sight
175
175

1
Cap
2 Flacon #
T
To insert
o insert: :slide the 0acon into the holder as far
as it will go. #
T
To r
o r emov
emov e:
e:aTer opening the glo vebox, wait
fo r appr oximately se ven seconds and pull out
th e 0acon. If
yo u do not use genuine Mercedes-Benz interior
perfumes, obser vethe manufacturers' saf ety noti-
ces on the perfume pac kaging.
Dispose of thege nuine Mercedes-Benz interior
perfume 0acon when it is em pty and do not re/ll
it.
R R e/llable
e/llable 0acon
0acon #
Unscr ewthe cap of the em pty 0acon. #
Fillth e 0acon with a maximum of 15 ml. #
Screw the cap back on tothe 0acon.
Alw aysre /ll the em ptyre /llabl e0acon with the
same perfume. Obser vethe separate information
sheet with the 0acon. Inf
Inf
or
ormation on t
mation on t he windscr
he windscreen heat
een heater
er The windscreen heater is switched on automati-
cally if
the¬ button is activated.
In addition, it is automatically switched on when
necessar y. S S
t
tationar
ationar y heat
y heater/v
er/ventilation
entilation S
S
t
tationar
ationar y heat
y heater/v
er/ventilation function
entilation function
% The following function is equipment-depend-
ent.
R The air inside theve hicle is heated or ventila-
te dto the set temp erature.
R The air inside theve hicle cann otbe cooled
down to temperatures below the outside tem-
perature.
R Ifth e outside temp erature changes, ventilation
mode automatically switches toheating mode
or heating mode automatically switches to
ve ntilation mode.
The stationary hea ter and theex haust gas outl et
are situated behind theright-hand front wheel.
Switc
Switc hing t
hing t he st
he stationar
ationar y heat
y heater/v
er/ventilation
entilation on/o.
on/o.
via t
via t he oper
he oper ating unit
ating unit &
D
DAN
AN GER
GER Risk of fatal injury due topoison-
ous exhaust gases
If th eta ilpipe is bloc ked or su1cient ventila-
tion is not possible, poisonous exhaust gases Climate cont
rol
183
183

Dr
Dr
iving
iving N
No
ot
tes on Mer
es on Mer cedes-
cedes-AMG v
AMG vehicles
ehicles Obser
vethe no tes on thefo llowing topics in the
Supplement, otherwise you may failto recognise
dangers.
% The availability of cer tain functions depends
on the equipment and model of theve hicle.
R Emotion Start
R AMG per form ance exhaust system
R AMG ceramic high-per form ance composite
brake system
R AMG RIDE CONTROL +
R AMG ACTIVE RIDE CONTROL
R AMG steering-wheel but tons Switc Switc
hing on t
hing on t he pow
he power suppl
er suppl y or t
y or the v
he vehicle
ehicle &
W
WARNI NG
ARNI NGRisk 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. R
R
eq
eq uir
uir ements:
ements:
R theke y is in theve hicle and is recognised.
R the brake pedal is not depressed. 190
190
Driving and parking

Please also obser
vethefo llowing running-in
no tes:
R In cer tain driving and driving saf ety sy stems,
th e sensors adjust automatically while a cer-
ta in distance is being driven aTer theve hicle
has been deli vered or aTer repairs. Full sys-
te m e.ectiveness is not reached until the end
of this teach-in process.
R Brakepads, brake disks and tyres that are
either new or ha vebeen replaced only achie ve
optimum braking e.ect and grip aTer se veral
hund red kilometres of driving. Compensate for
th ere duced braking e.ect byapplying greater
fo rc eto the brake pedal. N
No
ot
tes on op
es on op timised acceler
timised acceler ation
ationIf all necessary
requ irements and activation con-
ditions are ful/lled, the best possible acceleration
can be achie ved from a standstill.
Do not use the optimised acceleration on public
ro ads. Individual wheels could spin and you could
lose control of theve hicle. There is an increased
ri sk of skidding and/or accident. Be sure
toobser vethe saf ety no tes and informa-
tion on ESP ®
(/ page 232). Mo
Mo
ving awa
ving away wit
y wit h op
h optimised acceler
timised acceler ation
ation &
W
WARNING
ARNING Risk of skidding and having an
accident from wheels spinning
When you use optimised acceleration, individ-
ual wheels could spin and you could lose con-
trol of theve hicle.
If ESP ®
is deactivated, there is a risk of skid-
ding and accident! #
Make sure that no persons or obs tacles
are in the close vicinity of your vehicle. R
R
eq
eq uir
uir ements:
ements:
R theve hicle is run in (/ page 193).
R theve hicle and tyres are in good condition.
R you are on a high-g rip ro adw ay.
R the engine and transmission are at normal
operating temp erature. *
N
NO OTE
TE Increased wear due tooptimised
acceleration When pulling
away with optimised accelera-
tion, all components of the driv etra in are sub-
jected toave ry high load.
This can lead toincreased component wear. #
Do not alw ays pull away with optimised
acceleration. #
Engage theh drive position (/ page 211). #
Movethe steering wheel tothe straight-ahead
position. #
Select the sportiest available drive prog ram
B orC(/ page 207). #
Deactivating ESP ®
(/ page 234). #
Depress and hold the brake pedal /rmly with
yo ur leT foot. #
With your right foot , fully depress the acceler-
ator pedal. 194
194
Driving and parking

&
W
WARNI NG
ARNI NGRisk of skidding and of an acci-
dent due toshiTing down on slippe ryroad
sur faces
If yo u shiT down on slippery road sur faces to
increase the engine braking e.ect, the drive
wheels may lose traction. #
Do not shiT down on slippery road sur fa-
ces toincrease the engine braking
e.ect. &
D
DAN
AN GER
GER Risk of fatal injury due topoison-
ous exhaust gases
If th eta ilpipe is bloc ked or su1cient ventila-
tion is not possible, poisonous exhaust gases
such as carbon monoxide may enter theve hi-
cle. This is the case if theve hicle gets stuck in
sno w,forex ample. #
Keep theta ilpipe and the area around
th eve hicle free from snow when the
ve hicle or the stationary heater is run-
ning. #
Open a wind owonthe side of theve hicle
fa cing away from the wind toensure an
adequate supply of fresh air. &
W
WARNING
ARNING Risk of accident due tothe
brake system overheating
If yo u lea veyour foot on the brake pedal when
driving, the brake system may overheat.
This increases the braking distance and the
brake system can even fail. #
Never use the brake pedal as a foot re st. #
Do not depress the brake pedal and the
accelerator pedal at the same time while
driving. *
N
NOOTE
TE Engine damage due toexcessively
high engine speeds The engine will be damaged if
you drive with
th e engine in theove rrev ving range. #
Do not drive with the engine in theove r-
re vving range. *
N
NOOTE
TE Causing wearto the brake linings by
permanently depressing the brake pedal #
Do not permanently depress the brake
pedal while driving. #
Touse braking e.ect of the engine, shiT
to a lo werge ar in good time. *
N
NOOTE
TE Damage tothe driv etra in and
engine when pulling away #
Do not warm upthe engine while the
ve hicle is stationar y.Pull away immedi-
atel y. #
Avoid high engine speeds and driving at
full thro ttle until the engine has reached
its operating temp erature. *
N
NOOTE
TE Damage tothe catalytic con verter
due tonon-combusted fuel The engine is not
running smoo thly and is mis-
/ring.
Non-combus ted fuel may getinto the catalytic
con verter. 196 196
Driving and parking

Obser
vethefo llowing no tes during heavy precipi-
ta tion or in conditions in whi chaquaplaning may
occur:
R reduce speed
R avoid tyre ruts
R avoid sudden steering mo vements
R brake careful ly
% Also obser vethe no tes on regula rly ch ecking
wheels and tyres (/ page 400).
N
No ot
tes on dr
es on dr iving t
iving thr
hrough w
ough w at
ater on t
er on t he r
he r oad sur-
oad sur-
f
f ace
ace
Wa ter which has entered into theve hicle can
damage the engine, electrics and transmission.
Wa ter can also enter the air intake of the engine
and cause engine damage.
Obser vethefo llowing if you must drive thro ugh
wa ter:
R Obser vethe maximum permissible ford ing
dep th (/ page 436).
R Drive at a maximum speed of 10 km/h; water
can otherwise enter theve hicle interior or
engine compartment. R
Vehicles tr avelling in front, or oncoming vehi-
cles, can create waves which may exceed the
maximum permissible dep thofthewa ter.
The braking e.ect of the brakes is reduced aTer
fo rd ing. Brake carefully while paying attention to
th e tra1c conditions until braking po wer has been
fully restored. N
No
ot
tes on
es on o.-r
o.-r oad
oad dr
driving
iving &
W
WARNING
ARNING Risk of accident if you do not
ke ep toline of fall on inclines
If yo u drive at an angle or turn on an incline,
th eve hicle could slip side ways, tip and roll-
ove r. #
Always drive on inclines in the line of fall
(straight up or down) and do not turn. &
W
WARNING
ARNING Risk of /re due to0ammable
materials on hot parts of theex haust sys-
tem
Flammable material such as lea ves, grass or
twigs may ignite if they come into contact with
hot parts of theex haust system. #
When driving on unpa vedro ads or o.-
ro ad, regula rly ch eck theve hicle under-
side. #
Remo vetrapped plants or other 0amma-
ble material, in particular. #
Ifth ere is damage, consult a quali/ed
specialist workshop immediatel y. When driving o.-
road, sand, mud and water or
wa ter mixed with oil may get into the brakes. This
may lead toare duction in braking e.ect or total
brake failure as a result of increased wear. The
braking characteristics will vary depending on the
material that has entered the system. Clean the
brakes aTer driving o.- road. If youth en notice
re duced braking e.ect or hear scraping noises,
ha ve the brake system checked at a quali/ed spe- 198
198
Driving and parking

cialist
workshop. Adapt your driving style tothe
ch anged braking characteristics.
* N
NOOTE
TE Damage caused bydriving over
obstacles The
vehicle can be damaged by:
R driving onto high kerbs or unpa vedro ads.
R quickly driving over obstacles such as
ke rbs, speed bumps or po tholes.
R heavy objects hitting the underbody or
ch assis components. #
Do not drive over obstacles that could
damage theve hicle. #
Check theve hicle regula rly fo r damage
during o.- road driving. #
Adjust theve hicle speed tosuit thero ad
sur face conditions. #
Ifth ere is damage, consult a quali/ed
specialist workshop immediatel y. +
ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmen tal
damage due tonon-obser vance of prohibi-
tion signs Environmental pr
otection has priority. Treat
nature with respect. #
Be sure toobser veprohibition signs. Chec
Chec
klis
klist beft bef or
ore dr
e dr iving
iving o.-r
o.-road
oad
Check thefo llowing points before driving o.- road:
R Fuel le vel
R V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: AdBlue ®
level
R Engine oil le vel: /ll engine oil tothe maximum
le ve lto ensure full gradeability (/ page 367)
R Tyre-change tool kit and spare wheel
R Tyres and wheels
% Further information about special all- terrain
tyres forre tro/tting can be ob tained from a
qu ali/ed specialist workshop. O.-r
O.-r
oad
oaddr
driving
iving
Re ad this section before driving your vehicle o.-
ro ad. Practise bydriving over more gentle o.-road
te rrain /rst.
R Obser vethe no tes on the cross-country ABS
(/ page 231).
R If necessar y,select theF orG drive
prog ram (vehicles with O.-road pac kage)
before driving o.- road (/ page 207).
R Before driving o.-road, shiT the transfer case
to the LLO
O W RAN
W RAN GE
GEo.-road gear (vehicles with
O.-road pac kage ) (/ page 214).
R Select a vehicle le vel suitable for o.- road ter-
ra in (/ page 269). Toavo id damaging the
ve hicle, make sure there is alw ays su1cient
gr ound clearance.
R Alwayske ep the engine running and in gear
when driving on downhill gradients and slopes.
Obser vethe no tes on driving in moun tainous
te rrain.
R Do not drive on unkn ownte rrain that is not
easily visible and st ayon mar kedro utes. Driving and parking
199
199