2021 MERCEDES-BENZ GLS SUV fuel type

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

See Owner's Manual(/
page 443) display mes-
sage appears. A
A
ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
an accident
Depending on the type and se verity of the acci-
dent, and depending on theve hicle's equipment,
th efo llowing measures can be implemented, for
ex ample:
R automatic braking (post-collision brake)
R activating the hazard warning lights
R triggering an automatic emer gency call
(/ page 351)
R switching o. the engine
To start theve hicle again, switch theve hicle
o. and on once more (/ page 191). Depend-
ing on the type and se verity of the accident,
yo u may no longer be able tostart theve hicle.
R switching o. the fuel supply
R unlocking theve hicle doors
R lowe ring the side windo ws
R displaying the emer gency guide in the multi-
media system display R
switching on the interior lighting
F
F unction of t
unction of t he pos
he post-collision brt-collision br ake
ake
Depending on the accident situation, the post-col-
lision brake can minimise the se verity of a fur ther
collision or evenavo id it.
If an accident is de tected, the post-collision brake
can implement automatic braking. When theve hi-
cle has come toa standstill, the electric parking
brake is automatically applied.
The driver can cancel automatic braking bytaking
th efo llowing actions:
R braking more strongly than automatic braking
R fully depressing the accelerator pedal with
fo rce Saf Saf
el
ely try tr anspor
anspor ting c
ting childr
hildren in t
en in t he v
he vehicle
ehicle Alw
ay
Alw ays observ
s observ e when c
e when c hildr
hildren ar
en ar e trav
e tr avelling in t
elling in t he
he
v
v ehicle
ehicle %
Also strictly obser vethe saf ety no tesfo rthe
speci/c situation. In this wa yyo u can recog-
nise po tential risks and avoid dangers if chil- dren are tr
avelling in theve hicle
(/ page 58).
Be dilig
Be dilig ent
ent
Bear in mind that negligence when securing a
ch ild in thech ild restraint system ma y haveseri-
ous conse quences. Alw ays be dili gent in securing
a ch ild carefully before every journe y.
Ne ver allow babies and children totrave l sitting
on the lap of ano ther vehicle occupant.
To impr oveprotection forch ildren younger than
12 years old or under 1.50 m in height,
Mercedes-Benz recommends you obser vethefo l-
lowing information:
R Always secure thech ild in a child restraint sys-
te m suitable forth is Mercedes-Benz vehicle.
R The child restraint system must be appropria te
to the age, weight and size of thech ild.
R The vehicle seat must be suitable for /tting a
ch ild restraint system (/ page 62).
Ac cident statistics show that children secured on
th ere ar seats are generally sa ferth an children
secured on the front seats. Forth is reason, Occupant saf
ety
57 57

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

%
The maximum speed is reduced when driving
in L LO
O W RAN
W RAN GE
GEo.-road gear (/ page 213).
Other features of Active Distance Assist
DISTRONIC:
R Adjusts the driving style depending on the
selected drive prog ram (fuel-saving, comfor ta-
ble or dynamic)
R Initiates acceleration tothe stored speed if the
turn signal indica tor is switched on tochange
to theove rtaking lane
R V
Vehicles wit
ehicles wit h Dr
h Driving Assist
iving Assist ance P
ance Pack
ackag
age:
e:
- Reacts tostationa ryvehicles de tected in
urban speed ranges (e xcept bicycles and
mo torc yc les)
- Take s one-sided overtaking restrictions
into account on mo torw ays or on multi-
lane roads with separate car riag ewa ys
(countr y-dependent)
V
V ehicles wit
ehicles wit h Dr
h Driving Assist
iving Assist ance P
ance Pack
ackag
age and
e and
P
P ar
ar king P
king P ack
ackag
age:
e: ifth eve hicle has been braked to
a standstill on multi-lane, separate car riag ew ays
by Active Distance Assist DISTRONIC, it can auto-
matical lyfollow theve hicle in front when driving o. again within 30 seconds. If a critical situation
is de
tected when driving o., a visual and acoustic
wa rning is given indicating that the driver must
now take cont rol of theve hicle. The vehicle is not
accelerated any fu rther.
Obser vethe no tes on driving systems and your
re sponsibility; you may otherwise failto recognise
dangers (/ page 229). A
A ctiv ctiv e Dist
e Dist ance Assis
ance Assis t DIS
t DISTR
TRONIC display
ONIC display s in t
s in the
he
Ins
Ins tr
trument Display
ument Display Assis
tance graphic
1 Route-based speed adap tation: type of route
ev ent (/ page 247)
2 Vehicle in front
3 Distance indicator
4 Set speci/ed distance
5 Active Lane Change Assist lane change dis-
play 242
242
Driving and parking

&
W
WARNI NG
ARNI NGRisk of injury from fuels
Fu els are poisonous and hazardous toyour
health. #
Do not swallow fuel or let it come into
contact with skin, eyes or clo thing. #
Do not inhale fuel vapour. #
Keep children away from fuel. #
Keep doors and windo wsclosed during
th ere fuelling process.
If yo u or other people come into contact with
fuel, obser vethefo llowing: #
Immediate lyrinse fuel o. your skin with
soap and water. #
If fuel comes into contact with your eyes,
immediately rinse them thoroughly with
clean water. Seek medical at tention
immedia tely. #
Ifyo u swallow fuel, seek medical atten-
tion immediatel y.Do not induce vomit-
ing. #
Change immediately out of clo thing that
has come into contact with fuel. Flexible-fuel
vehicles can be refuelled wi th thefo l-
lowing fuel types:
R unleaded petrol
R E85 fuel
R a mixture of E85 fuel and unleaded petrol
Flexible-fuel vehicles can be identi/ed bythe
Et Et hanol up t
hanol up t o E85
o E85sticker on the inside of the fuel
/ller 0ap.
Depending on the countr y,the fuels you can use
in your vehicle may di.er from the information in
th e Owner's Manual. The fuels that ha vebeen
appr ovedfo ryo ur vehicle can be found on the
inst ruction label on the inside of the fuel /ller 0ap. F F
uel
uel Inf
Inf
or
ormation on fuel gr
mation on fuel grades f
ades f or v
or vehicles wit
ehicles wit h pe
h petr
trol
ol
engines
engines
Obser vethe no tes on operating 0uids
(/ page 425). *
N NOOTE
TE Damage caused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel system, the
engine and the emission control system. #
Only refuel using unleaded, sulphu r-free
fuel that conforms toEuropean EN 228,
or an equivalent speci/cation.
Fu el of this speci/cation may contain up to
10% ethanol byvolume. Your vehicle is suita-
ble for use with E10 fuel.
Ne verre fuel wi thone of thefo llowing fuels:
R diesel
R regular petrol with an octane number
lo we rth an 91 RON
R petrol with more than 10% ethanol byvol-
ume, e.g. E15, E20, E85, E100
R petrol with more than 3% me thanol byvol-
ume, e.g. M15, M30
R petrol with additives containing me tal426
426
Te
ch nical data