2021 MERCEDES-BENZ GLS SUV fuel pressure

Interior lighting ............................................ 167
Wi
ndsc reen wipers and windscreen
wa sher system ............................................ 168
Mir rors ........................................................ 173
Area permeable toradio waves on the
windscreen ................................................ .176
Inf rare d-re0ective windscreen function ........ 177 Climat Climat
e contr
e contr ol
ol........................................... 178 178
Overview of climate control systems ............ 178
Operating the climate control system .......... 179 Dr
Dr
iving and par
iving and par king
king..................................... 190 190
Driving ........................................................1 90
DY NAMIC SELECT switch ........................... .205
Au tomatic transmission .............................. .209
Tr ansfer case ............................................. .213
Fu nction of the 4MATIC ...............................2 15
Re fuelling .................................................... 216
Pa rking .......................................................2 22
Driving and driving saf ety sy stems ............... 229
Tr ailer hitch ................................................ .299
Bicycle rack function ................................... 304
Ve hicle towing instructions .......................... 306 Ins
Ins
tr
trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er........................................................... 308 308
No tes on the inst rument display and on-
board computer .......................................... 308
Overview of instrument display .................... 309
Overview of the buttons on the steering
wheel .......................................................... 310
Operating the on-board computer ................3 10
Overview of displa ysinthe inst rument
display ........................................................ 312
Head-up display .......................................... 312 MBUX multimedia syst MBUX multimedia syst
em
em........................... .315
315
Overview and operation ............................... 315
System settings .......................................... 324
Na vigation .................................................. .328
Te lephone ................................................... 337
Mercedes me app ....................................... 340
Mercedes-Benz emer gency call system ....... 349
Ra dio, media & TV....................................... 356
Sound settings ............................................ 362 Maint Maint
enance and car
enance and car e
e................................. 364 364
ASS YST PLUS service inter val display .......... 364 Engine compartment ................................... 365
Cleaning and care ....................................... 371 Br Br
eakdo
eakdo wn assist
wn assist ance
ance................................. 380 380
Emer gency .................................................. 380
Flat tyre ...................................................... 382
Battery (vehicle) .......................................... 387
To w- starting or towing away ........................ 393
Electrical fuses ............................................ 397 Wheels and tyr Wheels and tyr
es
es......................................... 400 400
No tes on noise or unusual handling char-
acteristics ................................................... 400
No tes on regula rly inspecting wheels and
tyres .......................................................... .400
No tes on snow chains ................................. 400
Ty re pressure .............................................. 401
Wheel change ............................................. 404
Emer gency spa rewheel .............................. .414
Collapsible spare wheel ............................... 416 T
T
ec
ec hnical dat
hnical dat a
a............................................. 420 420
No tes on tech nical data .............................. 420 Contents
3
3

1
#! Turn signal lights →
162
2 ï Trailer hitch →
506
3 6 Restraint system →
505
4 å ESP®
OFF →
515
÷ ESP®
→
515
5 R Rear fog light →
161
6 K High beam →
162
L Low beam →
160
T Standing lights →
160
7 ÿ Coolant temp erature →
508
8 Coolant temp erature display →
309
9 ! Electric parking brake (yellow) →
511
A J Brakes (yellow) →
511
B L Distance warning →
513 C
# Electrical fault →
508
D Ù Powe r steering →
506
E ! ABS →
515
F h Tyre pressure monitoring system →
517
G % Diesel engine: preglow
H 8 Reser vefuel wi thfuel /ller 0ap location
indicator →
508
I Fuel le vel →
309
J ! Electric parking brake (red) →
511
K J Brakes (red) →
511
L ü Seat belt →
505
M ; Engine diagnostics →
508
N ä Suspension (red) →
513
ä Suspension (yellow) →
513 At
a glance – Indicator and warning lamps
11
11

1
B-pillar wi th:
QR code for accessing there scue card →
38
2 Safetyve sts →
380
3 Fire extinguisher →
381
4 ; me button →
340
G SOS button →
340
5 £ Hazard warning light system →
162
6 Tocheck and top up operating 0uids →
425
St arting assis tance →
391
7 Tow- starting or towing away →
394 8
Flat tyre →
382
9 Tow- starting or towing away →
394
A Fuel /ller 0ap with:
information label on fuel type →
216
information label on tyre pressure →
402
QR code for accessing there scue card →
38
B Warning triangle →
380
C TIREFIT kit →
384
D Firs t-aid kit (soT sided) →
381 At
a glance – Emer gencies and breakdowns
19
19

Pr
ot
Pr otection of t
ection of t he en
he envir
vironment
onment
+ ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TE Environmental
damage due tooperating conditions and
personal driving st yleThe pollutant emission of
theve hicle is
directly related tothewa yyo u operate the
ve hicle.
Operate your vehicle in an environmentally
re sponsible manner tohelp pr otect the envi-
ro nment. Please obser vethefo llowing recom-
mendations on operating conditions and per-
sonal driving st yle.
Oper
Oper ating conditions:
ating conditions: #
Make sure that the tyre pressure is cor-
re ct. #
Do not car ryany unnecessary weight
(e.g. roof luggage rack s once you no lon-
ge r need them). #
Adhere tothe service inter vals.
A regula rly serviced vehicle will cont rib-
ute toenvironmental pr otection. #
Always ha vemaintenance workcar ried
out at a quali/ed specialist workshop.
P
P er
er sonal dr
sonal dr iving s
iving stytyle:
le: #
Do not depress the accelerator pedal
when starting the engine. #
Do not warm uptheve hicle while sta-
tionar y. #
Drive carefully and maintain a suitable
distance from theve hicle in front. #
Avoid frequent, sudden acceleration and
braking. #
Change gear in good time and use each
ge ar only up toÔ of its maximum
engine speed. #
Switch o. theve hicle in stationary traf-
fi c, e.g. byusing the ECO start/s top
function. #
Drive in a fuel-e1cient manner. Obse rve
th e ECO display for an economical driv-
ing style. T T
ak
ak e-bac
e-bac k of end-of-lif
k of end-of-lif e v
e vehicles
ehicles
EU countr
EU countr ies only:
ies onl y:
Mercedes-Benz will take back your end-of-life
ve hicle for environment-fri endly disposal in
accordance with the European Union (EU) End-of-
Life Vehicles Directi ve.
A network of vehicle take -back points and dis-
mantlers has been established foryo uto return
yo ur vehicle. You can lea veit at any of these
points free of charge . This makes an impor tant
cont ribution toclosing there cycling circle and
conserving resources.
Fo r fur ther information about there cycling and
disposal of end-of-life vehicles, and theta ke -back
conditions, please visit the national
Mercedes-Benz website foryo ur countr y. 22
22
General no
tes

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

T
T
em
em por
por ar
ary se
y se tting
tting #
T
To activ
o activ at
ate:
e: Pull steering wheel gearshiT pad-
dle 1 or2.
Manual shiTing is activated for a short time.
Tr ansmission position pand the cur rent gear
appear in the inst rument displa y. #
T
To deactiv
o deactiv at
ate:
e: Pull steering wheel gearshiT
paddle 2and hold it in place.
Tr ansmission position happears in the
inst rument displa y.
% Topermanently shiT thege ars manually in
drive prog ram = usingthe steering wheel
ge arshiT paddles, select thep setting for
th e transmission. ShiTing
ShiTing #
T
T o
o shiT
shiT up:
up:Pull steering wheel gearshiT pad-
dle 2. #
T
T o
o shiT
shiT do
down:
wn: Pull steering wheel gearshiT
paddle 1. Gear
Gear
shiT
shiT r
recommendation
ecommendation The
gearshiT recommendation assists you in
adopting an economical driving style. #
Ifth ege arshiT recommendation 1appears
next tothe transmission position displa y,shiT
to there commended gear. Using kic
Using kic
kdo
kdown
wn #
Maximum acceler
Maximum acceler ation:
ation:depress the accelera-
to r pedal be yond the pressure point.
To protect against engine overrev ,th e automatic
transmission shiTs up tothe next gear when maxi-
mum engine speed has been reached. Glide mode function
Glide mode function
*
N
NOOTE
TE Mercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. %
Mer
Mercedes-Ma
cedes-Ma ybac
ybach v
h vehicles:
ehicles: the Glide mode
function is not available.
Wi th an anticipatory driving st yle, Glide mode
helps youto reduce fuel consum ption.
Glide mode is characterised bythefo llowing:
R The combustion engine is disconnected from
th e driv etra in and continues torun in neutral. 212
212
Driving and parking

Even small amounts of
the wrong fuel
could result in damage tothe fuel system
and the engine. The repair costs are high. #
Consult a quali/ed specialist workshop. #
Have the fuel tank and fuel lines drained
comple tely. *
N
NO
OTE
TE Do not use petrol torefuel vehicles
with a diesel engine If
yo u ha veacciden tally refuelled wi th the
wrong fuel:
R Do not switch on theve hicle. Otherwise,
fuel can enter the fuel system.
Even small amounts of the wrong fuel
could result in damage tothe fuel system
and the engine. The repair costs are high. #
Consult a quali/ed specialist workshop. #
Have the fuel tank and fuel lines drained
comple tely. *
N NO
OTE
TE Damage tothe fuel system due to
ove r/lling the fuel tank #
Only /ll the fuel tank until the pump noz-
zle switches o..
If to o much fuel has been added due, for
ex ample, toafa ulty /lling pump: #
Do not switch on theve hicle. #
Consult a quali/ed specialist workshop. *
N
NOOTE
TE Fuel may spr ayout when you
re mo vethe fuel pump nozzle #
Only /ll the fuel tank until the pump noz-
zle switches o.. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is unloc ked.
% Do not getinto theve hicle again during the
re fuelling process. Othe rwise, electrostatic
ch arge could build up again.
Obser vethe no tes on operating 0uids and fuel. The
recommended octane number foryo ur vehi-
cle can be found on the information label in the
fuel /ller 0ap. 1
Fuel /ller 0ap
2 Brac ketfo r fuel /ller cap
3 Fuel type
4 QR code forre scue card
5 Tyre pressure table 218
218
Driving and parking

Inf
Inf
or
ormation on using a high-pr
mation on using a high-pr essur
essure cleaner
e cleaner &
W
WARNING
ARNING Risk of an accident when using
high-pressure cleaners with round-spr ay
nozzles
The water jet can cause extern ally invisible
damage.
Components damaged in this wa y may un ex-
pectedly fail. #
Do not use a high-pressure cleaner with
ro und-spr aynozzles. #
Have damaged tyres or chassis parts
re placed immediatel y.To
avo id damage toyour vehicle, obser vethefo l-
lowing when using a high-pressure cleaner:
R The key is at a minimum dis tance of 3 m away
from theve hicle. Otherwise theta ilgate could
open unintentionall y.
R Maintain a distance of at least 30 cm tothe
ve hicle.
R V
V ehicles wit ehicles with decor h decorativ
ative f
e foil:
oil: Parts of your
ve hicle are co vered with a decorative foil. Maintain a distance of at least 70 cm between
th
efo il-co vered parts of theve hicle and the
nozzle of the high-pressure cleaner. Mo vethe
high-pressure cleaner nozzle around whilst
cleaning. The waterte mp erature of the high-
pressure cleaner must not exceed 60°C.
R Obser vethe information on the cor rect dis-
ta nce in the equipment manufacturer's oper-
ating inst ructions.
R Do not direct the nozzle of the high-pressure
cleaner directly at sensitive parts, such as
tyres, gaps, electrical components, batteries,
light sources and ventilation slits. W
W ashing t ashing t he v
he vehicle b
ehicle b y hand
y hand *
N NOOTE TE Engine damage due towa ter ing ress #
Take care not topoint thewa ter jet
directly towa rdsth e air inlet grille below
th e bonnet. obser
vethe legal requ irements, e.g. in a number
of countries, washing byhand is only permitted in
special lydesignated wash ba ys. #
Use a mild cleaning agent, e.g. car shampoo. #
Washtheve hicle with luk ewarm water using a
soT car sponge. When doing so, do not
ex pose theve hicle todirect sunlight. #
Carefully hose theve hicle o. with water and
dry using a chamois.
% Obser vethe no tes on the care of car parts
(/ page 376). N
No
ot
tes on paintw
es on paintw or
ork/matt
k/matt /nish
/nishpaintw
paintw or
ork care
k care To
avo id damaging the paintwork and inter fering
with the driving assistance systems, please
obser vethefo llowing no tes:
P
P aint
aint
R Insect remains: soak with insect remo ver and
ri nse o. the treated areas aTer wards.
R Bird droppings: soak with water and rinse o.
aTer wards.
R Tree resin, oils, fuels and greases: remo veby
ru bbing gently with a clo thsoaked in petro-
leum ether or lighter 0uid. 374
374
Main
tenance and ca re