parking brake MERCEDES-BENZ GLS SUV 2021 Owner's Manual

Pa
rk position jis engaged automatically if one
of thefo llowing conditions is met:
R You switch the stationary vehicle o. in trans-
mission position hork.
R You open the driver's door when theve hicle is
at a standstill or when driving at a very low
speed and the transmission position is hor
k.
R When theve hicle is rolling, you switch if o. in
transmission position hork and bring it to
a standstill.
R You switch o. the engine, bring theve hicle to
a standstill and open the driver's door when
th eve hicle is stationary or when theve hicle is
ro lling and the transmission position is i.
R Engaging park position jautomatically is
re qu ired bytheve hicle.
% Tomanoeuv rewith an open driver's door,
open the driver's door while at a standstill and
engage transmission position hork again. Eng
Eng aging dr
aging dr iv
ive position D
e position D #
Depress the brake pedal and push the DIRECT
SELECT le ver down past the /r stpoint of
re sis tance.
When the automatic transmission is in transmis-
sion position h, it shiTsthege ars automaticall y.
This depends, among other things, on thefo llo w-
ing factors:
R The selected drive prog ram
R The position of the accelerator pedal
R The driving speed Manual
Manual
g
gear
ear shiTing
shiTing P
P
er
er manent se
manent se tting (v
tting (vehicles wit
ehicles wit h
hO.-R
O.-R oad
oadpack-
pac k-
ag
ag e or E-A
e or E-A CTIVE BOD
CTIVE BOD Y C
Y CONTR
ONTR OL)
OL)
* NO
NOTE
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. #
A Activ ctiv ating/deactiv
ating/deactiv ating:
ating:Pullrock er switch 1.
If indicator lamp is lit, manual shiTing is acti-
va ted. The cur rent gear is displ ayed inthe
inst rument displa y. Driving and parking
211 211

R
The transmission position display his sh own
in green.
R V
V ehicles wit
ehicles wit h 48 V on-boar
h 48 V on-boar d electr
d electrical syst
ical syst em:
em:
th e combustion engine can be switched o..
All of theve hicle functions remain active.
Glide mode is activated if thefo llowing conditions
are met:
R Drive prog ram ; is selected.
R The speed is within a suitable range.
R The road's cou rse is suitable, e.g. no steep
uphill or downhill inclines or tight bends.
R There is no trailer hitched up tothe trailer
hitch, and no bicycle rack Fitted.
R You do not depress the accelerator or brake
pedal (e xcept for light brake applications).
% Glide mode can also be activated if you ha ve
selected the "Eco" setting forth e drive in the
drive prog ram =.
Glide mode is deactivated again if one of the con-
ditions is no longer met. Glide mode can also be pr
evented bythefo llowing
parame ters:
R Incline
R Downhill gradient
R Temp erature
R Height
R Speed
R Operating status of the engine
R Tra1c situation T T
r
ransf
ansf er case
er case F
F
unction of t
unction of t he tr
he transf
ansfer case
er case &
W
WARNING
ARNING Risk of skidding and having an
accident when in LOW RANGE on slippery
ro ad sur faces
The wheels can block and thus lose traction
on slippery road sur faces, particular lyin the
fo llowing situations:
R ifyo ure lease the accelerator pedal when
th eve hicle is in motion.
R if o.-road ABS inter venes when braking. #
Never select theLO W RANGE o.- road
ge ar when driving on slippery road sur fa-
ces. &
W
WARNING
ARNING Risk of accident when the
transfer case is in neutral position
The vehicle may rollawa y unin tentionally if you
do not wait until the transfer case shiT opera-
tion is comple te. Driving and parking
213
213

P
P
ar
ar king
king P
P
ar
ar king t
king t he v
he vehicle
ehicle &
W
WARNING
ARNING Risk of accident and injury
caused byan insu1ciently secured vehi-
cle rolling away
If th eve hicle is not securely par ked su1-
cient ly,it can rollawa y in an uncontrolled way
eve n at a slight downhill gradient. #
On uphill or downhill gradients, turn the
front wheels so that theve hicle rolls
to wa rdsth eke rb if it starts moving. #
apply the parking brake. #
Switch the transmission toposition j. &
W
WARNING
ARNING Risk of /re caused byhot
ex haust system parts
Flammable materials such as lea ves, grass or
twigs may ignite. #
Park theve hicle so that no 0ammable
material can come into contact with hot
ve hicle components. #
In particular, do not park on dry grass-
land or har vested grain /elds. &
W
WARNING
ARNING Risk 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. *
N
NOOTE
TE Damage totheve hicle due toitro ll-
ing away #
Always secure theve hicle against rolling
awa y. *
N
NO
OTE
TE Damage due totheve hicle lo wering V
V
ehicles wit
ehicles wit h AIRMA
h AIRMATIC or E-A
TIC or E-A CTIVE BOD
CTIVE BOD Y
Y
C
C ONTR
ONTR OL:
OL:The vehicle can lo wer because of
te mp erature di.erences or longer non-opera-
tional times. This can cause damage toparts
of the body. #
When stopping theve hicle and when
driving o., make sure that there are no
obstacles such as curbs under or in the
immediate vicinity of the body. 222
222
Driving and parking

#
Bring theve hicle toa standstill bypressing the
brake pedal. #
Ongradients, turn the front wheels so that the
ve hicle will rollto wa rdsth eke rb if it starts
moving. #
Apply the electric parking brake. #
Engage transmission position jin a station-
ary vehicle with the brake pedal applied
(/ page 210). #
Switch o. theve hicle bypressing the1 but-
to n. #
Release the service brake slo wly. #
Get out of theve hicle and lock it.
% When you park theve hicle, you can still oper-
ate the side windo wsand the sliding sunroof
fo r appr oximately four minutes if the driver's
door is closed.
% When you park theve hicle, you can still oper-
ate the side windo wsand the panoramic slid-
ing sunroof for appr oximately four minutes if
th e driver's door is closed. Gar
Gar
ag
age door opener
e door opener Pr
Pr
ogr
ogr amming butt
amming butt ons f
ons for t
or the g
he g ar
arag
ag e door opener
e door opener &
D
DAN
AN GER
GER Risk of fatal injuries caused by
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and leads topoisoning. #
Never lea vetheve hicle or, if present, the
stationa ryheater running in an enclosed
space without su1cient ventilation. &
W
WARNI NG
ARNI NGRisk of injury bybecoming
trapped when opening and closing a
ga rage door
When you operate or prog ram a garage door
with an integ ratedga rage door opener, per-
sons can become trapped or struck bythe
ga rage door if they stand wi thin its range of
mo vement. Driving and parking
223 223

Electr
Electr
ic par
ic parking br
king br ake
ake F
F
unction of t
unction of t he electr
he electric par
ic parking br
king br ak
ake (appl
e (appl ying
ying
aut
aut omaticall
omaticall y)
y) &
W
WARNING
ARNING Risk 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. The electr
The electr
ic par
ic parking br
king br ak
ake is applied if t
e is applied if t he tr
he trans-
ans-
mission is in position
mission is in position j
jand one of t
and one of t he f
he follo
ollowing
wing
conditions is
conditions is ful/lled:
ful/lled:
R The vehicle is switched o..
R The seat belt tongue is not inse rted in the seat
belt buckle of the driver's seat and the driver's
door is opened.
R The transfer case is in the LLO
O W RAN
W RAN GE
GEposi-
tion.
% Toprev ent application: pull the handle of the
electric parking brake (/ page 227).
In t
In t he f
he f ollo
ollowing situations, t
wing situations, t he electr
he electric par
ic parking
king
br
br ak
ak e is also applied:
e is also applied:
R The HOLD function is keeping theve hicle sta-
tionar y.
R Active Parking Assist is keeping theve hicle
stationar y. R
Active Distance Assist DISTRONIC is bringing
th eve hicle toa standstill.
R In addition, one of t
In addition, one of t he f
he follo
ollowing conditions
wing conditions
mus
mus t be
t be ful/lled:
ful/lled:
- The vehicle is switched o..
- The seat belt tongue is not inse rted in the
seat belt buckle of the driver's seat and
th e driver's door is opened.
- There is a system malfunction.
- The po wer supply is insu1cient.
- The vehicle is stationary for a lengt hy
period.
When the electric parking brake is applied, the
re d! indicator lamp lights up in the inst ru-
ment cluster.
% The electric parking brake is not automatically
applied if theve hicle is switched o. bythe
ECO start/s top function. 226 226
Driving and parking

F
F
unction of t
unction of t he electr
he electric par
ic par king br
king br ak
ak e (r
e (r eleasing
eleasing
aut
aut omaticall
omaticall y)
y)
The electr
The electr ic par
ic parking br
king br ak
ake is r
e is r eleased when t
eleased when t he
he
f
f ollo
ollo wing conditions ar
wing conditions ar e
eful/lled:
ful/lled:
R The driver's door is closed.
R The vehicle has been star ted.
R The transmission is in position hork and
yo u depress the accelerator pedal or you shiT
from transmission position jtoh ork
when on le velgr ound.
R Ifth e transmission is in position k,theta il-
ga te must be closed.
R The seat belt tongue is inse rted into the seat
belt buckle of the driver's seat.
If th e seat belt tongue is not inse rted into the
seat belt buckle of the driver's seat, one of the
fo llowing conditions must be ful/lled:
- You shiT from transmission position j.
or
- You ha veprev iously driven at speeds
gre ater than 3 km/h. When
the electric parking brake is released, the
re d! indicator lamp in the inst rument cluster
goes out.
Appl Appl ying/r
ying/r eleasing t
eleasing t he electr
he electric par
ic parking br
king br ake
ake
manually
manually
Appl Appl ying
ying #
Push handle 1.
The red! indicator lamp lights up in the
inst rument cluster.
% The electric parking brake is only securely
applied if there d! indicator lamp is lit
continuousl y.
R R eleasing
eleasing #
Switch on theve hicle. #
Pull handle 1.
The red! indicator lamp in the inst rument
cluster goes out.
Emerg
Emerg ency br
ency br aking
aking #
Press and hold handle 1.
As long as theve hicle is in motion, the
Release parking brake message is displayed
and there d! indicator lamp 0ashes.
When theve hicle has been braked toa stand-
still, the electric parking brake is applied. The
re d! indicator lamp lights up in the inst ru-
ment cluster. Driving and parking
227
227

Inf
Inf
or
ormation on collision det
mation on collision det ection on a park
ection on a park ed
ed
v
v ehicle
ehicle If a collision is de
tected when theto w- awa y pro-
te ction is primed on a loc kedve hicle, you will
re ceive a noti/cation in the multimedia system
when you switch theve hicle on.
Yo u will receive information about thefo llowing
points:
R The area of theve hicle that may ha vebeen
damaged.
R The forc e of the impact.
The following situation can lead toinadver tent
activation:
R The par kedve hicle is mo ved, forex ample, in a
two-s tore yga rage.
% Deactivate tow- awa y protection in order to
pr ev ent inadver tent activation. If you deacti-
va te to w-awa y protection, collision de tection
will also be deactivated. Syst
Syst em limits
em limits
De tection may be restric ted in thefo llowing situa-
tions:
R theve hicle is damaged without impact, for
ex ample, if an outside mir ror is torn o. or the
paint is damaged byakey
R an impact occurs at low speed
R the electric parking brake is not applied N
No
ot
tes on par
es on par king up t
king up the v
he vehicle
ehicle If
yo u lea vetheve hicle par ked up for longer than
six weeks, it may su.er damage thro ugh disuse.
The 12 V battery may also be impaired or dam-
aged byheavy discharging.
% Further information can be obtained at a
qu ali/ed specialist workshop. S S
t
tandb
andb y mode (e
y mode (e xt
xtension of t
ension of t he st
he start
arter batt
er batt er
ery's
y's
per
per iod out of use)
iod out of use) S S
t
tandb
andb y mode function
y mode function
% This function is not available for all models. If standby mode is activated, energy loss will be
minimised during extended periods of non-opera-
tion.
St andby mode is characterised bythefo llowing:
R The star ter battery is preser ved.
R The maximum non-operational time appears in
the media displa y.
R The connection toonline services is inter rup-
te d.
R The ATA (anti-theT alarm system) is not availa-
ble.
R The interior pr otection and tow- aw ay protec-
tion functions are not available.
R The function for de tecting collisions on a
par kedve hicle is not available.
If th efo llowing conditions are ful/lled, standby
mode can be activated or deactivated using the
multimedia system:
R The vehicle is switched on.
R The vehicle has not been star ted.
Exceeding theve hicle's displ ayed non-operational
time may cause incon venience; i.e. it cannot be 228 228
Driving and parking

4
Front camera
5 Corner radars
6 Ultrasonic sensors
7 Reversing camera &
W
WARNING
ARNING Risk of accident due torestric-
te d de tection per form ance of vehicle sen-
sors and cameras
If th e area around vehicle senso rsor cameras
is co vered, damaged or dirty, cer tain driving
and saf ety sy stems cannot function co rrectl y.
There is a risk of an accident. #
Keep the area around vehicle senso rsor
cameras clear of any obst ructions and
clean. #
Have damage tothe bumper, radiator
gr ille or stone chipping in the area of the
front and rear wind owsre paired at a
qu ali/ed specialist workshop. Pa
rticular ly,ke ep the areas around the sensors
and cameras free of dirt, ice or slush
(/ page 376). The sensors and cameras must not be co
vered and the de tection ranges around
th em must be kept free. Do not at tach additional
licence plate brac kets, advertisements, stic kers,
fo ils or foils toprotect against stone chippings in
th e de tection range of the sensors and cameras.
Make sure that there are no overhanging loads
pr otru ding into the de tection range.
If th ere is damage toa bumper or thera diator
gr ille, or aTer an impact, ha vethe function of the
senso rschecked at a quali/ed specialist work-
shop. Ha vedamage or stone chipping in the area
of the cameras on the front and rear wind ows
re paired at a quali/ed specialist workshop. Ov Ov
er
ervie
vie w of dr
w of dr iving syst
iving syst ems and dr
ems and dr iving safe
iving safety
ty
syst
syst ems
ems R
ABS (A Anti-lock B Braking S System) (/ page 231)
R O.-road ABS (/ page 231)
R BAS (BBra ke AAssist S System) (/ page 231)
R ESP ®
(EElectronic S Stability P Program)
(/ page 232)
R ESP ®
Crosswind Assist (/ page 233) R
ESP ®
trailer stabilisation (/ page 233)
R EBD (E Electronic B Brakeforc e DDistribution)
(/ page 235)
R STEER CONTROL (/ page 235)
R HOLD function (/ page 235)
R Hill Start Assist (/ page 236)
R Adaptive Brake Lights (/ page 236)
R ATTENTION ASSIST (/ page 237)
R Cruise cont rol (/ page 238)
R Limiter (/ page 239)
R Tra1c Sign Assist (/ page 259)
R Speed Limit Assist (countr y-dependent)
(/ page 258)
R AIRMATIC (/ page 267)
R E-AC TIVE BODY CONTROL (/ page 273)
R Trailer Manoeuv ring Assist (/ page 297)
Dr
Dr iving Assist
iving Assist ance pack
ance package
age
The following functions are part of the Driving
Assistance Package. Cer tain functions are only
av ailable in some countries. Some functions are 230
230
Driving and parking

also
available without the Driving Assistance
Pa ckage, albeit with restric ted functionality.
R Active Distance Assist DISTRONIC
(/ page 241)
R Active Speed Limit Assist (countr y-dependent)
(/ page 246)
R Route-based speed adap tation (countr y-
dependent) (/ page 247)
R DSR (DD ow nhill S Speed R Regulation)
(/ page 249)
R Active Brake Assist (/ page 253)
R Active Steering Assist (countr y-dependent)
(/ page 251)
R Active Emer gency Stop Assist (countr y-
dependent) (/ page 253)
R Active Stop-and-Go Assist (countr y-depend-
ent) (/ page 248)
R Blind Spot Assist and Active Blind Spot Assist
with exitwa rning (/ page 261)
R Active Lane Keeping Assist (/ page 264)
P
P ar
ar king P
king P ack
ackage
age
R Reversing camera (/ page 281) R
360° Camera (/ page 283)
R Parking Assist PARKTRONIC (/ page 287)
R Active Parking Assist (/ page 291) F
F
unctions of ABS
unctions of ABS The Anti-lock Brake System (ABS)
regula testhe
brake pressure in critical driving situations:
R During braking, for instance, at maximum full-
stop braking or if there is insu1cient tyre trac-
tion, the wheels are pr evented from locking.
R Vehicle steerability while braking is ensu red.
If ABS inter venes when braking, you will feel a
pulsing in the brake pedal. The pulsating brake
pedal can be an indication of hazardous road con-
ditions and can ser veas a reminder totake extra
care while driving.
Syst Syst em limits
em limits
R ABS is acti vefrom speeds of approx. 5 km/h.
R ABS may be impaired or may not function if a
malfunction has occu rred and theye llow !
ABS warning lamp lights up continuously aTer
th eve hicle is star ted. F F
unctions of
unctions of O.-r
O.-road
oad ABS
ABS %
O.-road ABS is activated automatically when
yo u select theF orG drive prog ram.
O.-road ABS is specially adap tedfo r driving o.-
ro ad:
R The front wheels lock cyclical lyduring braking.
R The braking distance is shor tened due tothe
digging-in e.ect.
Syst
Syst em limits
em limits
R O.- road ABS functions at speeds below
40 km/h.
R If O.-road ABS inter venes, the ability tosteer
ma y be restric ted. F
F
unction of B
unction of B AS
AS &
W
WARNING
ARNING Risk of an accident caused by a
malfunction in BAS(Brake Assist System)
If BAS is malfunctioning, the braking distance
in an emer gency braking situation is
increased. Driving and parking
231
231

#
Depress the brake pedal with full forc e in
emer gency braking situations. ABS pre-
ve nts the wheels from locking. The Brake Assist System (BAS) supports
your
emer gency braking situation with additional brake
fo rc e.
If yo u depress the brake pedal quickl y,BAS is
activated:
R BAS automatically boosts the brake pressure.
R BAS can shor tenth e braking distance.
R ABS pr events the wheels from locking.
The brakes will function as usual once youre lease
th e brake pedal. BASis deactivated. F
F
unctions of ESP
unctions of ESP ®
®&
W
WARNING
ARNING Risk of skidding if ESP ®
is
deactivated
If yo u deactivate ESP ®
, ESP ®
cannot car ryout
ve hicle stabilisation. #
ESP ®
should only be deactivated in the
fo llowing situations. *
N
NOOTE
TE Mercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. The Electronic
Stability Prog ram (ESP ®
) can moni-
to r and impr ove driving stability and traction in
th efo llowing situations within ph ysical limits:
R When pulling away on wet or slippery car riage-
ways.
R When braking.
If th eve hicle deviates from the direction desired
by the driver, ESP ®
can stabilise theve hicle by
inter vening in thefo llowing ways:
R One or more wheels are braked.
R The engine output is adap ted according tothe
situation. ESP
®
is deacti vated if theå ESP®
OFF warn-
ing lamp lights up continuously in the inst rument
cluster:
R Driving stability will no longer be impr oved.
R The drive wheels could spin.
R ETS/4ETS traction control is still active.
% When ESP ®
is deactivated, you are still assis-
te dby ESP ®
when braking.
If th e÷ ESP®
wa rning lamp 0ashes in the
inst rument cluster, one or se veral wheels has
re ached its grip limit:
R Adapt your driving style tosuit the cur rent
ro ad and weather conditions.
R Do not deactivate ESP ®
.
R Only depress the accelerator pedal as far as is
necessary when pulling away.
It can be advantageous todeactivate ESP ®
in the
fo llowing situations toimpro vetraction:
R When using snow chains.
R In deep sno w.
R On sand or grav el. 232
232
Driving and parking