ECU MERCEDES-BENZ GLS SUV 2020 Owner's Guide

Fo
lding back the seat backrest on theth ird
ro w of seats Left-hand-drive
vehicle (e xample) #
Inthere ar: brief ly press one of buttons 1.
If a seat backrest is not engaged and loc ked,
th is will be shown on the multifunction dis‐
play on the instrument clus ter. #
Inthe load compartmen t:brief lypull one of
buttons 1.
If a seat backrest is not engaged and loc ked,
th is will be shown on the multifunction dis‐
play on the instrument clus ter. EAS
Y-PA CK load compartment co ver and par‐
tition net cass ette Note
s onthe load compa rtment co ver &
WARNING Risk of inju ryor death due to
poorly secured objects
The load compartment co ver alone cannot
secure or restra in heavy objects, items of
luggage or heavy loads.
Yo u could be hit byan unsecured load, par‐
ticular lyin theev ent of abrupt changes in
direction, sudden braking or an accident. #
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around. #
Secure objects, luggage or loads
against slipping or tipping over,e.g. by
using lashing material, even if you are
using the load compartment co ver. *
NO
TEDama getothe load compartment
co ver when loading theve hicle The load compartment co
ver may be dam‐
aged when theve hicle is being loaded. 14 0
Seats and stowing

#
Open the load compartment floor . #
Toinser t:Place the load compartment co ver
1 into the brac kets 2. Ensu reit is seated
cor rectl y. #
Toremo ve:Ta ke the load compartment
co ver out of the brac kets 2. Fi
tting the load co mpartment co ver #
Place the load compartment co ver in brack‐
et s1 onthe left and right.
The end caps of the load compartment co ver
will engage audibl y. At
taching/rem oving the pa rtitioning net &
WARNING Risk of inju ryor death due to
poorly secured objects
The partitioning net alone cann otsecure or
re stra in heavy objects, items of luggage or
heavy loads.
Yo u could be hit byan unsecured load, par‐
ticular lyin theev ent of abrupt changes in
direction, sudden braking or an accident. #
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around. #
Secure objects, luggage or loads
against slipping or tipping over,e.g. by
using lashing material, even if you are
using the 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
enlargement
Damaged partitioning nets can no longer fulfil
th eir functions and must be replaced. Visit a
qu alified specialist workshop. 14 2
Seats and stowing

#
Depending on theve hicle equipment,
ensure that the sliding sunroof can be
fully raised when thero of luggage rack
is fitted. #
Depending on theve hicle equipment,
ensure that theta ilgate can be fully
opened when thero of luggage rack is
fi tted. #
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. *
NO
TEDama getothe panorama sliding
sunroof due tonon-app rove dro of lug‐
ga ge racks The panorama sliding sunroof may be dam‐
aged bythero of luggage rack ifyo u attem pt
to open it when using a roof luggage rack not
te sted and appr ovedfo r Mercedes-Benz. #
When a roof luggage rack isfitted, open
th e panorama sliding sunroof only if this has been
tested and appr oved for
Mercedes-Benz.
The panorama sliding sunroof may be raised
to allow ventilation of theve hicle interior. #
Secure thero of luggage rack tothero of rail‐
ing. #
Obser vethe manufacturer's ins tallation
instructions. Cup holders
Switching
the cooling or heating function for
th etemp erature-cont rolled cup holder on or
off &
WARNING Risk of inju ryby touching 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 unat tended in the
ve hicle. *
NO
TEDama getoobjects in thete mp era‐
ture-contro lled cupholder If
yo u place objects into thete mp erature-
controlled cup holder, they may become
dama ged. #
Do not place objects into thete mp era‐
ture-contro lled cup holder. 14 6
Seats and stowing

#
Alw ays make sure that objects do not
pr otru de from stowage spaces, luggage
nets or stowage nets. #
Close the loc kable stow age spaces
before starting a journe y. #
Alw aysstow and secure heavy, hard,
poin ted, sharp-edged, fragile or bulky
objects in the boot/load compartment. Obser
vethe no tes on loading theve hicle. &
WARNING Risk offire from placing
objects in the mobile phone stowage
compartment
Placing other objects in the mobile phone
stow age compartment could con stitute a fire
hazard. #
Apart from a mobile phone, do not
place any other objects in the mobile
phone stowage compartment, espe‐
cially those made of me tal. *
NO
TEDama getoobjects caused by
placing them in the mobile phone stow‐
age compartment If objects are placed in
the mobile phone
stow age compartment, they may be dam‐
aged byelectromagnetic fields. #
Do not place credit cards, data storage
devices, ski passes or other objects
sensitive toelectromagnetic fields in
th e mobile phone stowage compart‐
ment. *
NO
TEDama getothe mobile phone
stow age compartment caused byliquids If liquids enter
the mobile phone stowage
compartment, the compartment may be
damaged. #
Ensure that no liquids enter the mobile
phone stowage compartment. Alw
ays obser vethe no tesfo r persons with elec‐
tronic medical aids (/ page 33). 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 connec‐
tion of the mobile phone totheve hicle's
ex terior aerial are only available if the ignition
is switched on.
R Small mobile phones may not be able tobe
ch arge d in everyposition of the mobile
phone stowage compartment.
R Largemobile phones which do not rest flat in
th e mobile phone stowage compartment may
not be able tobe charge d or connec ted 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
bac kground.
R Toensure more ef ficient charging and con‐
nection with theve hicle's exterior aerial,
re mo vethe pr otective co ver from the mobile
phone. Pr otective co vers which are neces‐
sary for wireless charging are excluded. 15 2
Seats and stowing

Mat in front of
thestow age compartment in the
re ar armrest Mat in
the cent reconsole of there ar compartment
(only Mercedes-Maybach vehicles with individual
re ar seats) #
Place the mobile phone as close tothe
centre of mat 1as possible wi th the display
fa cing up wards.
When the indicator lamp lights up, the mobile
phone is being charge d. Fi
tting/ removing the floormats &
WARNING Risk of accident due to
objects 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. #
Alw aysfit th efloor mats securely and
as prescribed in order toensure that
th ere is alw ays suf ficient room forthe
pedals. #
Do not use loose floor mats and do not
place floor mats on top of one ano ther. 15 4
Seats and stowing

Ensu
rethefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked.
R The fuel tank is su fficiently full.
St arting theve hicle (Remo teOnline) &
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work. #
Alw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work. Re
quirements:
R park position jis selected.
R the anti- theft alarm sy stem is not activated.
R the panic alarm is not activated. R
the hazard warning light sy stem is switched
off.
R the bonn etis closed.
R the doors are closed and loc ked.
R the windo wsand sliding sun roof are closed. #
Start theve hicle using the smartphone.
Af tereve ryengine start, the engine runs for
te n minu tes.
Yo u can car ryout a maximum of two consecu‐
tive starting attem pts. Yo u must start theve hicle
once with theke y before trying tostart the
engine again with the smartphone. you can stop
th eve hicle again at any time.
% Further information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work: #
switch on the hazard warning light sy stem.
or #
unlock the doors.
or #
open a side window or the sliding sunroof. Ru
nning-in no tes To
preser vethe engine during thefirs t15 00 km:
R drive at varying road speeds and engine
speeds.
R do not drive at speeds greater than
14 0 km/h.
R drive theve hicle in drive program A
or ;.
R shift tothe next highest gear at theve ry lat‐
est when the needle reaches the last third
before there d area in there v counter.
R do not shift down a gear manually in order to
brake.
R avoidove rstraining theve hicle, e.g. driving at
full thro ttle.
R do not depress the accelera tor pedal past
th e pressure point (kickdown).
R only increase the engine speed gradually and
accelera tetheve hicle tofull speed af ter
15 00 km. 19 0
Driving and pa rking

#
After no more than five seconds, take your
left foot quickly off the brake, but keep the
accelerator pedal depressed.
The vehicle pulls away at maximum accelera‐
tion. #
Swit chon ESP ®
once the acceleration proce‐
dure is comple te.
Ending optimised acceleration #
Remo veyour foot from the accelerator pedal. #
Reactivate the ESP ®
.
% Afteryo u pull away with optimised accelera‐
tion, components of the driv etra in can
become very hot, which means that opti‐
mised acceleration values may be reached
again on lyafte r a few minutes. Note
s on driving &
WARNING Risk of accident due to
objects 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. #
Alw aysfit th efloor mats securely and
as prescribed in order toensure that
th ere is alw ays suf ficient room forthe
pedals. #
Do not use loose floor mats and do not
place floor mats on top of one ano ther. &
WARNING 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 #
Alw ayswe ar suitable foot we ar so that
yo u can operate the pedals safel y. &
WARNING Risk of accident if the ignition
is switched off while driving
If yo u swit choff the ignition while driving,
saf ety functions are restricted or no longer
av ailable.
Yo u will then need, forex ample, touse con‐
siderably more forc eto steer and brake. #
Do not switch off the ignition while driv‐
ing. &
DANG ER Risk of death 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 vethe engine or, if present,
th e auxiliary heating running in an
enclosed space wi thout suf ficient venti‐
lation. 19 2
Driving and pa rking

%
A continuous sdisplayappears in the
instrument clus ter while the ECO start/ stop
function is deactivated. ECO display function
The ECO display summarises
your driving char‐
acteristics from thest art of the journey toits
completion and assists you in achieving the
most economical driving style.
Yo u can influence consum ption bydoing thefo l‐
lowing:
R driving with particular care
R driving theve hicle in drive program ;
R following thege arshift recommendations The lettering in
the segment will light up brightl y,
th e outer edge will light up and the segment will
fi ll up when thefo llowing driving style is adop‐
te d:
R 1 Steady speed
R 2 Gentle deceleration and rolling
R 3 Moderate acceleration
The lettering in the segment will be gr ey,the
outer edge will be dark and the segment will
em pty when thefo llowing driving style is adop‐
te d:
R 1 Fluctuations in speed
R 2 Heavy braking R
3 Sporty acceleration
The ECO display will show you when you ha ve
driven economically:
R The thre e segments will fill up comple tely at
th e same time
R The edges around all thre e segments will
light up
The additional range achi eved as a result of your
driving style in comparison with a driver with a
ve ry sporty driving style will be shown in the
centre of the display 4. Therange displ ayed
does not indicate a fixe dre duction in consump‐
tion. ECO Assist function
Ve
hicles with a 48 V on-board electrical sys‐
te m (EQ Boo sttech nology):
ECO Assist analyses data forth eve hicle's expec‐
te dro ute. This allo wsthe sy stem tooptimally
adjust the driving style fo rth ero ute ahead, sa ve
fuel and recuperate. If the sy stem de tects an
eve nt ahead, e.g. a speed limit or a roundabout, Driving and parking
19 9

it will appear on
the multifunction displa y.The
fo llowing symbols can be displa yed: Examples of an
event ahead 1
Event ahead
2 Distance displ ayforth eev ent ahead
3 "Foot off the accelerator" prom pt
The segments of dis tance displ ay2 show the
dis tance totheeve nt ahead as follo ws:
R Afew segments light up: theeve nt ahead is
nea r.
R Many segments light up: theeve nt ahead is
fur ther aw ay.
When theve hicle nears theeve nt, ECO Assi st
will calculate the optimal speed for maximum
fuel economy and recuperati veenergy based on
th e dis tance, speed and gradient. The Foot offthe accelerator
3message appea rson the mul‐
tifunction displa y.The firs t segments in front of
th eve hicle will turn green. The remaining seg‐
ments will initially stay white. If the driver takes
th eir foot off the accelera tor pedal in good time,
th ere maining segments on the display will suc‐
cessively turn green until theeve nt shown is
re ached. The driv etra in will be set for maximum
fuel econom y.Re cuperation will charge the bat‐
te ry.Re cuperation will be adap tedto the selec‐
te d drive prog ram.
The event will be shown for a short time af ter 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
prom pt.
Fo r active ECO Assist in drive program ;,
symbol 3will appear on the multifunction dis‐
play and on the head-up display beside transmis‐
sion position h. Symbol3will also appear
when the assis tant displ ayis not selec ted. 200
Driving and parking

Proceed as
follo ws ifyo uwa ntthe automatic
transmission toremain in neutral i
i,even if
th e ignition is switched off or the driver's
door is opened: #
depress the brake pedal and engage neutral
i when the car is at a standstill.
th e message N permanently active Risk of
vehicle rolling appears inthe instrument
clus ter. #
release the brake pedal. #
switch the ignition off.
% Ifyo uth en exitth eve hicle leaving theke y in
th eve hicle, the automatic transmission
re mains in neutral i.
The park position jis auto matical lyre-engaged
as soon as one of thefo llowing conditions is
me t:
R you swit chtotransmission position hor
k.
R you press the button j. Engaging park position P #
Obser vethe no tes on parking theve hicle
(/ page 217). #
Depress the brake pedal until theve hicle is
at a standstill. #
When theve hicle is at a standstill, press but‐
to nj.
When the transmission position display
sho wsj,th e park position is engaged. If no
transmission position display jappears,
secure theve hicle topreve nt it from rolling
aw ay.
% Depending on the situation, it may take a
short time until jis engaged. Therefore,
alw ays pay attention tothe transmission
position displa y.
Pa rk position jis engaged automatically if one
of thefo llowing conditions is me t:
R you swit choff the ignition when theve hicle
is stationary and the transmission position is
h ork.
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 you swit choff the engine and bring theve hi‐
cle toast andstill when theve hicle is rolling
and the transmission position is hork.
R you swit choff the engine, bring theve hicle
to ast andstill and open the driver's door
when theve hicle is stationary or when the
ve hicle is rolling and the transmission posi‐
tion is i.
R engaging park position jautomatically is
re qu ired bytheve hicle.
% Tomanoeuvre with an open driver's door,
open the driver's door while at a standstill
and engage transmission position hork
again.
Engaging drive position D #
Depress the brake pedal and push the
DIRECT SELECT le ver down past thefirst
point of resis tance. 206
Driving and pa rking