2021 MERCEDES-BENZ GLS SUV oil additives

#
Neverre fuel using petrol. #
Never mix petrol with diesel fuel. *
N
NO OTE
TE Damage caused bythe wrong fuel Ve
hicles with a petrol engine:
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, sulphur-free
spar k-ignition engine fuel that conforms
to European EN 228, or an equivalent
speci/cation.
Fu el of this speci/cation may contain up to
10% ethanol. Your vehicle is suitable 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 tal
If yo u ha veacciden tally refuelled wi th the
wrong fuel: #
Do not switch on theve hicle. #
Consult a quali/ed specialist workshop. *
N NOOTE
TE Damage caused bythe wrong fuel Ve
hicles with a diesel engine:
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 sulphur-free diesel fuel
th at conforms toEuropean standard
EN 590, or an equivalent speci/cation.
In count ries without sulphur-free diesel
fuel, refuel using only lo w-sulphur diesel fuel with a sulphur content less
than
50 ppm.
Ne verre fuel wi thone of thefo llowing fuels:
R Petrol
R Marine diesel
R Heating oil
R Pure bio-diesel or vege table oil
R Para1n or kerosene
If yo u ha veacciden tally refuelled wi th the
wrong fuel: #
Do not switch on theve hicle. #
Consult a quali/ed specialist workshop. *
N
NOOTE
TE Do not use diesel torefuel vehicles
with a petrol 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 engine. Driving and parking
217 217

#
Drain o. any excess engine oil that has been
added. Todo so, consult a quali/ed specialist
wo rkshop.
R For engine oil level turn on ignition #
Switch on theve hicle tocheck the engine oil
le ve l.
R Engine oil level System inoperative: The oil
le ve l sensor is defective or not connected. #
Consult a quali/ed specialist workshop.
R Engine oil level System currently unavail. #
Close the bonnet.
T
T opping up engine oil
opping up engine oil &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING Risk of /re and injury from
engine oil
If engine oil comes into contact with hot com-
ponent parts in the engine compartment, it
may ignite. #
Make sure that no engine oil is spilled
next tothe /ller opening. #
Allow the engine tocool o. and thor-
oughly clean the engine oil from compo-
nent parts before starting theve hicle. *
N NOOTE
TE Engine damage caused byan inco r-
re ct oil /lter, incor rect oil or additi ves #
Do not use engine oils or oil /lters which
do not cor respond tothe speci/cations
ex plicitly prescribed forth e service inter-
va ls. #
Follow the inst ructions on the service
inter val display forch anging the engine
oil and obser vethe prescribed change
inter vals. #
Do not use additives. *
N NOOTE
TE Damage caused bytopping up too
much engine oil To
o much engine oil can damage the engine or
th e catalytic con verter. #
Have excess engine oil remo ved at a
qu ali/ed specialist workshop. %
Depending on driving st yle, theve hicle con-
sumes up to0.8 litre of oil per 1000 km. The
oil consum ption may be higher than this when
th eve hicle is new or if you frequently drive at
high engine speeds.
% Depending on the engine, the cap may be
installed in the engine compartment in di.er-
ent locations. 368
368
Maintenance and care

R
Coolant and brake 0uid: remo vewith a damp
clo thand clean water.
R Tar stains: use tarre mo ver.
R Wax: use silicone remo ver.
R Do not attach sti ckers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a qu ali/ed specialist workshop.
R Remo vedirt immediatel y,where possible.
Matt
Matt /nish
/nish
R Only use care products appr ovedfor
Mercedes-Benz.
R Do not attach stic kers, /lms or similar materi-
als. Only ha ve/lm attached tothe bumper at
a quali/ed specialist workshop.
R Do not polish theve hicle and light-alloy
wheels.
R Only use car washes that cor respond tothe
latest engineering standards.
R Do not use car wash prog rammes with a /nal
hot wax treatment.
R Do not use paint cleaners, bu1ng or polishing
products, gloss preser vers, e.g. wax. In
theev ent of paintwork damage:
R Always ha vepaintwork repairs car ried out at a
qu ali/ed specialist workshop.
R Make sure thera dar sensors function
(/ page 229). N
No
ot
tes on cleaning decor
es on cleaning decor ativ
ative f
e foils
oils Obser
vethe no tes on matt /nish care in thech ap-
te r "No tes on paintwork/matt /nish paintwork
care" (/ page 374). They also apply tomatt dec-
orative foils.
Obser vethe no tes on cleaning decorative foils to
av oid vehicle damage.
Cleaning
Cleaning R For cleaning, use plenty of water and a mild
cleaning agent without additives or abrasive
substances, e.g. a car shampoo appr ovedfor
Mercedes-Benz.
R Remo vedirt immediatel y,where possible,
whilst avoiding rubbing too hard. There is oth-
erwise a risk of damaging the decorative foil
ir re parabl y. R
Ifth ere is dirt on the /nish or if the decorative
fo il is dull: Use thePa int Cleaner recommen-
ded and appr ovedfo r Mercedes-Benz.
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 Topreve ntwa ter stains, dry a foil-wrapped
ve hicle with a soT, absorbent clo thaTer every
car wash.
A
A v
voiding damag
oiding damag e t
e to t
o t he decor
he decor ativ
ative f
e foil
oil
R The service life and colou ring of decorative
fo ils are impaired by:
- Sunlight
- Tempe rature, e.g. hot air blo wer
- Weather conditions
- Stone chippings and dirt
- Chemical cleaning agents
- Oily products
R Do not use polish on matt decorative foil. Po l-
ishing will ha vethe e.ect of shining thefo il-
wrapped sur face. Main
tenance and ca re
375
375

Ad
Blue ®
residues cr ystallise aTer a period of
time, and contaminate the sur faces with which
th ey come into contact. Clean the dirty sur faces
with water as soon as possible.
When you open theAd Blue ®
tank, small amounts
of ammonia vapour may escape. Do not inhale
any ammonia vapours that may be released. Only
/ll theAd Blue ®
tank in well-ventilated areas.
A A dBlue dBlue ®
®
capacity
capacity
Tot
Tot al capacity of A
al capacity of A dBlue
dBlue®
®
t
tank
ank Model
Tot
Mode lT otal capacity
al capacity
All model s3 1.6 litresA A
dBlue dBlue ®
®
consump
consump tion
tion
The average AdBlue ®
consu mption is between 1%
and 5% of fuel consum ption. Like fuel consump-
tion, AdBlue ®
consu mption is high lydependent
upon driving style and operating conditions. For
th is reason, your vehicle's actual consu mption /g-
ures under da y-to -day operating conditions may
di.er from the consum ption /gures calculate d.
The frequency at which you will ha veto to p up Ad
Blue ®
will also vary. Ha vetheAd Blue ®
supply
ch ecked at a quali/ed specialist workshop before
making jou rney s outside of Europe. Before a lon-
ge r st ayoutside of Europe, consult a quali/ed
specialist workshop.
A
A dBlue
dBlue ®
®
r
rang
ang e and
e and /ll
/lllev
level
el
Yo u can ha vetheAd Blue ®
range and le vel dis-
pla yed in the driver's displa y.
% The AdBlue ®
range sh own depends strongly
on the driving style and operating conditions.
The actual range can therefore deviate from
th era nge cur rently displa yed in the driver's
displa y.
The information supplied in the operator's manual
re ga rding there ser vequantity at the /r stwa rning
in the driver's display and on the minimum top-up
qu antity when theAd Blue ®
tank is em pty is also
to be understood as guide values. Engine oil
Engine oil
N
No
ot
tes on engine oil
es on engine oil
Obser vethe no tes on operating 0uids
(/ page 425). *
N
NOOTE
TE Engine damage caused byan inco r-
re ct oil /lter, incor rect oil or additi ves #
Do not use engine oils or oil /lters other
th an those which meet the speci/cations
necessary forth e prescribed service
inter vals. #
Do not alter the engine oil or oil /lter in
order toachie velonger change inter vals
th an prescribed. #
Do not use additives. #
Have the engine oil changed aTer the
prescribed inter vals. 430
430
Te
ch nical data

A
A
ctiv
ctiv eSt
e St eer
eer ing Assist
ing Assist
Ac tivating/deactivating.......................... 252
Ac tive Emer gency Stop Assist................ 253
Fu nction................................................ 251
System limits......................................... 251
A
A ctiv
ctiv e
eTr
Tra1c
a1c Jam Assist
Jam Assist
Ac tivating/deactivating.......................... 249
Fu nction................................................ 248
A A dap dap tiv
tive br
e br ak
ake lights
e lights .................................... 236
A
A dap
dap tiv
tive cr
e cr uise contr
uise contr ol
ol
see Active Distance Assist DISTRONIC
A
A dap
dap tiv
tive functions, MUL
e functions, MUL TIBEAM LED
TIBEAM LED
see Intelligent Light System
A
A dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus t Plus
Fu nction................................................ 165
Switching on/o..................................... 166
A
A dBlue
dBlue ®
®
Ad ditives................................................ 429
Capacity................................................ 430
No tes..................................................... 219
Purit y.................................................... .429
To pping up............................................ .220 A
A dditional cushion dditional cushion
Leg rest................................................. 115
Re ar head restraint................................ 122
A
A dditional door lo ck
dditional door lock ....................................... 84
A
A dditiv
dditiv es
es
Ad Blue ®
................................................ .429
Engine oil............................................... 430
Fu el....................................................... 427
A
A dditiv
dditiv es (A
es (AdBlue
dBlue ®
®
)
)
see AdBlue ®
A
A dditiv
dditiv es (engine oil)
es (engine oil)
see Additives
A
A dditiv
dditiv es (fuel)
es (fuel)
see Fuel
ADS PL
ADS PL US dam
US dam ping syst
ping syst em
em
see AIRMATIC
ATer
ATer -sales
-sales ser
service
vice
see ASS YST PLUS
Air conditioning menu
Air conditioning menu Calling up.............................................. 179
Air dis
Air distr tribution
ibution
Setting................................................... 178
Setting (MBUX multimedia system)......... 180 Air fr
Air fr
eshener syst
eshener syst em
em
see Frag rance system
Air inlet
Air inlet see Air-water duct
Air pr
Air pr essure
essure
see Tyre pressure
Air suspension
Air suspension
see AIRMATIC
Air v
Air v ents
ents
Ad justing (front)..................................... 186
Ad justing (rear)...................................... 187
Glo vebox............................................... 188
Air v
Air v ents
ents
see Air vents
Air
Air -conditioning syst
-conditioning syst em
em
see Climate cont rol
Air
Air -r
-recir
ecir culation mode (wit
culation mode (wit h
h/ne
/ne
par
par ticle
ticle pr
pre/lt
e/lt er)
er).......................................... 181
Air
Air -w
-wat
ater duct
er duct
Ke eping free.......................................... 371
Airbag
Airbag
Activation................................................ 43
Cushionbag.............................................. 48 520
520
Index

Emerg
Emerg
ency call
ency call
see Mercedes-Benz emer gency call system
Eme rg
Emerg encykey
ency key
Inserting/ removing.................................. 83
Locking/unlocking the door s................... 88
Unlocking theta ilgate.............................. 95
Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .192
Emerg
Emerg ency r
ency release
elease
Ta ilgate.................................................... 95
Emerg
Emerg ency spar
ency spar e wheel
e wheel
In0ating.................................................4 15
No tes..................................................... 414
Engine
Engine Engine number....................................... 423
Starting (emer gency ope ration mode ).... 192
St arting (Remo teOnline)........................ 193
Engine data
Engine data
Displaying............................................. .207
Engine electr
Engine electr onics
onics
No tes..................................................... 420
Engine number Engine number............................................. 423 Engine oil
Engine oil
Additives................................................ 430
Capacity................................................ 431
Checking the oil le vel using the on-
board computer.....................................3 67
MB-F reigabe or MB-Appr oval................. .431
Quality................................................... 431
To pping up............................................ .368
Ent Ent er
ering/e
ing/e xiting lev
xiting lev el
el
Setting................................................... 272
ERA
ERA -GL
-GLON
ONASS tASS t es
est modet mode
St arting/ending.................................... .354
Err
Err or message
or message
see Display message
ESC (Electr
ESC (Electr onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 233
Tr ailer stabilisatio n................................. 233
ESP
ESP ®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 234
Fu nction/no tes...................................... 232
EU type approv
EU type appr oval number
al number ............................. 423 Ext
Ext
endable r
endable r unning boar
unning boar ds
ds ............................. 89
Ext
Ext endable st
endable st ep
ep
see Running boa rds
Ext
Ext er
erior lighting
ior lighting
Car e...................................................... 376
Ext
Ext er
erior lighting
ior lighting
see Lights F
F
F
F atigue det
atigue det ection
ection
see ATTENTION ASSIST
F
F ir
ir e e
e e xtinguisher
xtinguisher.......................................... 381
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................. 381
Flacon
Flacon Inserting/removing................................ 182
Flat to
Flat towing
wing
see Tow- bar system
Flat tyre
Flat tyre MOExtended tyres................................. 382
Notes..................................................... 382
TIREFIT kit.............................................. 384
Wheel chang e........................................ 409
Floor mats
Floor mats................................................... 158 Index
533 533

F
F
og light (enhanced)
og light (enhanced) .................................... .164
F
F oil cov
oil cov er
ering
ing
Ra dar and ultrasonic sensor s................. 229
F
F olding t
olding t able
able................................................ 138
Fr
Fr agr
agr ance
ance
see Frag rance system
Fr
Fr agr
agr ance syst
ance syst em
em
Inserting/ removing the 0acon................1 82
Setting................................................... 182
Fr
Fr ee dr
ee dr iving mode
iving mode
St arting................................................ .280
Fr
Fr ee
ee soTw
soTw are
are................................................. 41
Fr
Fr eq
eq uencies
uencies
Mobile phone......................................... 421
Tw o-w ayradio........................................ 421
Fr
Fr ont airbag (dr
ont airbag (dr iv
iver
er , fr
, fr ont passeng
ont passeng er)
er).............. 48
Fr
Fr ont passeng
ont passeng er seat
er seat
Ad justing from the driver's seat.............. 111
Ad justing from there ar.......................... 112
Fr
Fr ont passeng
ont passeng er seat
er seat
see Seat F
F
uel
uel
Additives................................................ 427
Diesel.................................................... 427
E10........................................................ 426
Fu elreser ve........................................... 429
Low outside temp eratures...................... 427
Pe trol..................................................... 426
Quality (diesel )....................................... 427
Quality (petrol)....................................... 426
Re fuellin g.............................................. .216
Sulphur content..................................... 426
Ta nk content.......................................... 429
F F uel consump
uel consump tion indicat
tion indicator
or
Calling up.............................................. 208
F
F unction seat
unction seat
see Door cont rol panel
F
F unction seat (r
unction seat (r ear)
ear)
see Seat (rear)
F
F uses
uses
Before replacing a fuse.......................... 397
Fu se assignment diag ram. ...................... 397
Fu se box in the engine compartment......3 98
Fu se box in the front passenger foot-
we ll........................................................ 399 Fu
se box in the load compartment......... 399
Fu se box on the dashboar d.................... 399
No tes..................................................... 397 G
G
Gar
Gar ag
age door opener
e door opener
Clea ring the memory.............................. 225
Gar
Gar ag
age door openers
e door openers
Opening/closing the door......................2 25
Prog ramming buttons............................. 223
Re solving problems................................ 225
Syn chronising thero lling code................ 224
Gear
Gear shiT
shiT r
recommendation
ecommendation........................... 212
Genuine par
Genuine par ts
ts................................................ 23
Glide mode
Glide mode.................................................. 212
Glov
Glov e box
e box
Air vent.................................................. 188
Gr
Gr oss mass
oss mass.................................................. 423 H
H
Handbr
Handbr ake
ake
see Electric parking brake
Handling c
Handling c har
haract
acter
eris
istics (unusual)tics (unusual) ................ 400 534
534
Ind
ex