2021 MERCEDES-BENZ GLS SUV ECU

F
F
itting t
itting t he load com
he load com par
partment cov
tment cov er
er #
Place the load compartment co ver in brac kets
1 onthe leT and right.
The end caps of the load compartment co ver
will engage audibl y. A
A
tt
tt ac
ac hing/r
hing/r emo
emoving t
ving t he par
he par titioning net
titioning net &
W
WARNING
ARNING Risk of injury or dea thdue to
poor lysecured objects
The partitioning net alone cann otsecure or
re strain he avy objects, items of lug gage or
heavy loads.
Yo u could be hit byan unsecured load, partic-
ular lyin theev ent of abrupt changes in direc-
tion, sudden braking or an accident. #
Always st owobjects in such a wayth at
th ey cannot be thro wn around. #
Secure objects, lug gage or loads against
slipping or tipping over,e.g. byusing
lashing material, even if you are using
th e partitioning net. Fo
r saf etyre asons, alw ays use a partitioning net
when transporting a load. The partitioning net can
be used with or without load compartment
enlar gement
Damaged partitioning nets can no longer ful/l
th eir functions and must be replaced. Visit a quali-
/ed specialist workshop. This equipment is
available for all vehicles except
Mercedes-M aybach vehicles. Pa
rtitioning net without load compartment
enlar gement 146 146
Seats and st
owing

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

#
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

R
It is safe tostart and runth e engine where
yo ur vehicle is par ked.
R The fuel tank is su1cient lyfull.
S
S t
tar
ar ting t
ting t he v
he vehicle (R
ehicle (R emot
emot e Online)
e Online) &
W
WARNING
ARNING Risk of crushing or entrapment
due tounintentional starting of the engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during service
or maintenance work. #
Always secure the engine against unin-
te ntional starting before ca rrying out
main tenance or repair work. R
R
eq
eq uir
uir ements:
ements:
R Park position jis selected.
R The anti-theT alarm system is not activated.
R The hazard warning light system is switched
o..
R The bonnet is closed.
R The doors are closed and loc ked.
R The windo wsand sliding sunroof are closed. #
Start theve hicle using the smartphone.
ATer every engine start, the engine runs for
te n minutes.
Yo u can car ryout a maximum of two consecutive
starting attem pts. You must start the engine with
th eke y before trying tostart theve hicle again
with the smartphone.
Yo u can switch o. theve hicle at any time as fol-
lo ws:
R Viath e Smartphone App
R By pressing theÜ orß button on the
key
% Further information can be found in the
smartphone app.
Secur
Secur ing t
ing the v
he vehicle ag
ehicle ag ains
ainst st
t star
arting bef
ting bef or
ore car ry-
e car ry-
ing out maint
ing out maint enance or r
enance or repair w
epair wor
ork:
k: #
Switch on the hazard warning light system.
or #
Unlock the doors.
or #
Open a side window or the sliding sunroof. R
R
unning-in not
unning-in not es
es To
preser vethe engine during the /rst 1,500 km:
R Drive at varying road speeds and engine
speeds.
R Do not drive at speeds greater than
140 km/h.
R Drive theve hicle in drive prog ram A
or ;.
R ShiT tothe next highest gear at theve ry latest
when the needle reaches the last third before
th ere d area in there v counter.
R Do not shiT down manual lyin order tobrake.
R Avoid overstraining theve hicle, e.g. driving at
full thro ttle.
R do not depress the accelerator pedal past the
pressure point (kickdown).
R Only increase the engine speed gradually and
accelerate theve hicle tofull speed aTer
1,500 km.
This also applies when the engine or parts of the
driv etra in ha vebeen replaced. Driving and parking
193
193

#
ATer no more than /ve seconds, take your leT
fo ot quickly o. the brake, but keep the accel-
erator pedal depressed.
The vehicle pulls away at maximum accelera-
tion. #
Switch on ESP ®
once the acceleration proce-
dure is comple te.
Ending op
Ending op timised acceler timised acceler ation
ation #
Remo veyour foot from the accelerator pedal. #
Reactivate the ESP ®
.
% ATer you pull away with optimised accelera-
tion, components of the driv etra in can
become very hot, which means that optimised
acceleration values may be reached again
only aTer a fewminutes. N
No
ot
tes on dr
es on dr iving
iving &
W
W ARNING
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. &
W WARNING
ARNING Risk of accident due toincor-
re ct foot we ar
Incor rect foot we ar includes, forex ample:
R shoes with plat form soles
R shoes with high heels
R slippers
There is a risk of an accident. #
Alwayswe ar suitable foot we ar so that
yo u can operate the pedals safel y. &
W
WARNI NG
ARNI NGRisk of accident if theve hicle is
switched o. while driving
If yo u switch o. theve hicle while driving,
saf ety functions are restric ted or no longer
av ailable.
This may a.ect the po wer steering system and
th e brake forc e boosting, forex ample.
Yo u will need touse considerably more force
to steer and brake, forex ample. #
Do not switch o. theve hicle while driv-
ing. &
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. Driving and parking
195
195

The lettering in
the segment will light up brightl y,
th e outer edge will light up and the segment will
/ll up when thefo llowing driving style is adop ted:
R 1 Steady speed
R 2 Gentle deceleration and rolling
R 3 Moderate acceleration
The lettering in the segment will be grey ,th e outer
edge will be dark and the segment will em pty
when thefo llowing driving style is adop ted:
R 1 Fluctuations in speed
R 2 Heavy braking
R 3 Sporty acceleration The ECO display will show
you when you ha ve
driven economicall y:
R The thre e segments will /ll up comple tely at
th e same time
R The edges around all thre e segments will light
up
The additional range achie ved as a result of your
driving style in comparison with a driver with a
ve ry sporty driving st yle will be shown in the
cent reof display 4. Therange displa yed does
not indicate a /xed reduction in consum ption. EC
EC O Assis O Assist function (v t function (v ehicles wit
ehicles with 48 V on-board
h 48 V on-board
electr
electr ical syst
ical syst em)
em) Fo
r plug-in hybrids, no tethe ECO Assist informa-
tion .
ECO Assist anal yses data forth eve hicle's expec-
te d rou te. This allo ws the system tooptimally
adjust the driving style forth ero ute ahead, sa ve
fuel and recuperate.
ECO Assist is displa yed on theAssistance
menu(/ page 310). 1
Event ahead
2 Distance display forth eev ent ahead
3 "Foot o. the accelerator" prom pt Displa
yable route events 1 Driving and parking
203 203

The segments of distance display
2show the
distance totheev ent ahead as follo ws:
R Afew segments light up: theev ent ahead is
near.
R Many segments light up: theev ent ahead is
fur ther awa y.
When theve hicle nears theeve nt, ECO Assist will
calculate the optimal speed for maximum fuel
economy and recuperative energy based on the
distance, speed and gradient. The Foot off the
accelerator3 message appears in the inst ru-
ment displa y.The /rst segments in front of the
ve hicle will turn green. The remaining segments
will initially st aywhite. If youta ke your foot o. the
accelerator pedal in good time, there maining seg-
ments on the display will successively turn green
until theev ent shown is reached. The driv etra in
will be set for maximum fuel econom y.Re cupera-
tion will charge the batter y.Re cuperation will be
adap tedto the selected drive prog ram.
The event will be shown for a short time aTer it
has been passed. If there is no response tothe
Foot off the accelerator prompt,th e segments
will remain white. If
th eev ent in volves a vehicle in front, all seg-
ments will immediately turn green once there is a
re sponse totheFoot off the accelerator prompt.
Fo r active ECO Assist in drive prog ram ;,
symbol 3will appear on the inst rument display
and on the head-up display beside transmission
position h. Symbol 3will also appear when the
assis tant display is not selected.
If th e system does not inter vene during theev ent
ahead, no thing will be displa yed. The system will
be passive.
ECO Assist is active only in drive prog rams ;
and A.
Syst Syst em limits
em limits
ECO Assist can function even more precisely if
th ero ute is adhered towhen routeguidance is
active. The basic function is also available without
active route guidance. Not all information and
tra1c situations can be fore seen. The quality
depends on the map data.
ECO Assist is only an aid. The driver is responsible
fo rke eping a safe distance from theve hicle in
front, forve hicle speed and for braking in good
time. The driver must be ready tobrake at all times ir
respecti veof whe ther the system inter-
ve nes.
The system may be impai red or may not function
in thefo llowing situations:
R If visibility is poor, e.g. due toinsu1cient illu-
mination of thero ad, highly variable shade
conditions, rain, sno w,fog or heavy spr ay.
R Ifth ere is glare, e.g. from oncoming tra1c,
direct sunlight or re0ections.
R Ifth ere is dirt on the windscreen in the area of
th e multifunction camera or the camera is
misted up, damaged or obscured.
R Ifro ad signs are hard todetect, e.g. due to
dirt, snow or insu1cient lighting, or because
th ey are obscured.
R Ifth e information on the navigation system's
digital map is incor rect or out of date.
R If signs are ambiguous, e.g. road signs in road-
wo rks or in adjacent lanes. 204 204
Driving and parking