2020 MERCEDES-BENZ GLS SUV engine

Fr
equency band and maximum transmission
output Fr
equency band Maximum transmis‐
sion output
Sho rtwa ve
3 - 54 MHz 10
0 W
4 m frequency band
74 - 88 MHz 30 W
2 m frequency band
14 4 - 174 MHz 50 W
Te rrestrial Trunked
Ra dio (TETRA)
380 - 460 MHz 10 W
70 cm frequency
band
420 - 450 MHz 35 W
Tw o-w ayradio
(2G/3G/4G) 10 W The
following can be used in theve hicle without
re strictions:
R two-w ayradios with a maximum transmission
output of up to100 mW
R RF transmitters with transmitter frequencies
in the 380 - 410 MHz frequency band and a
maximum transmission output of up to2 W
(TETRA)
R mobile phones (2G/3G/4G)
There are no restrictions when positioning the
aerial on the outside of theve hicle forth efo llow‐
ing frequency bands:
R Terrestrial Trunked Radio (TETRA)
R 70 cm frequency band
R 2G/3G/4G Ra
dio ope rating permits forve hicle comp o‐
nents
Manufacturer information about wireless vehicle
components can be found using theke y phrase
"Radio operating permits" in the Digital Owner's Manual in
theve hicle, on the internet and in the
app. Ve
hicle identification plate, VIN and engine
number overview
Ve hicle identification plate Te
ch nical da ta415

VIN in front of the front seat
1
VIN (vehicle identification number) VIN at the lo
wer edge of the windscreen 1
VIN (vehicle identi fication number)
The VIN as a label at the lo wer edge of the wind‐
screen is only available in some countries.
Engine number
The engine number is stamped into the crank‐
case.
% Further information can be obtained at a
qu alified specialist workshop. Operating
fluids Note
s on operating fluids *
NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. &
WARNING Risk of inju ryfrom operating
fl uids harmful to your health
Operating fluids may be poisonous and harm‐
ful to yo ur health. #
Obser vethete xt on the original con‐
ta iners when using, storing or disposing
of operating fluids. #
Alw aysst ore operating fluids sealed in
th eir original conta iners. #
Alw ayske ep children away from operat‐
ing fluids. Te
ch nical da ta417

#
Chan geimmediately out of clo thing that
has come into con tact wi thfuel. Fu
el Information on fuel
grades forve hicles with
petrol engines
Obser vethe no tes on operating fluids
(/ page 417).
* NO
TEDama gecaused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. #
Only refuel using unleaded, sulphu r-free
fuel that con form sto European EN 228,
or an equi valent specification.
Fu el of this specification may con tain up to
10 %ethanol by volume. Your vehicle is suita‐
ble for use with E10 fuel. Ne
verre fuel with one 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 by
vo lume, e.g. M15, M30
R petrol with additives con taining me tal
If yo u ha veacciden tally refuelled with the
wrong fuel: #
do not swit chon the ignition. #
consult a qualified specialist workshop. The
following compatibility indications for fuel
apply to yourvehicle: 1
For petrol with maximum 5% ethanol byvol‐
ume
2 For petrol with maximum 10%ethanol by vol‐
ume
Ac cording toEuropean standard EN 1694 2you
can find the compatibility indications at thefo l‐
lowing locations:
R onthe instruction label on the fuel filler flap
R onthe fuel pump or pump nozzle suitable for
yo ur vehicle thro ughout Europe
If th eav ailable fuel is not suf ficiently low in sul‐
phu r,th is can produce unpleasant odours. Te
ch nical da ta419

The
recommended octane number foryo ur vehi‐
cle can also be found on the instruction label in
th e fuel filler flap (/ page211).
As a temp orary measure, if there commended
fuel is not available, you may also use regular
unleaded petrol with at least 91RON. This may
re duce engine output and increase fuel con‐
sum ption.
Ne verre fuel using petrol with an even lo wer
RO N.
Fu rther information on fuel can be obtained at a
fi lling station or a qualified specialist workshop.
Information on additives in petrol
Obser vethe no tes on operating fluids
(/ page 417).
* NO
TEDama gefrom use of unsuitable
additives Even small amounts of
the wrong additive
may lead tomalfunctions occur ring. #
Only add cleaning additives recommen‐
ded byMercedes-Benz tothe fuel. Mercedes-Benz
recommends that you use
brand-name fuels with additives.
In some count ries, the fuel available may not
ha ve suf ficient additives. Residue could build up
in the fuel injection sy stem as a result. In this
case, in consultation with a Mercedes-Benz
service centre, mix the fuel with the cleaning
additive recommended byMercedes-Benz.
Obser vethe no tes and mixing ratios indica ted
on theta nk.
In fo rm ation on fuel grades forve hicles with
a diesel engine
Gene ral no tes
Obser vethe no tes on operating fluids
(/ page 417). &
WARNING Risk offire from fuel mixture
If yo u mix diesel fuel with petrol, theflash
point of the fuel mixture is lo werth an that of
pure diesel fuel. #
Neverre fuel using petrol in diesel
engines. #
Never mix petrol with diesel fuel. *
NO
TEDama gecaused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. #
Only refuel using sulphu r-free diesel
fuel that con form sto European stand‐
ard EN 590, or an equivalent specifica‐
tion.
In countries without sulphur-f ree diesel
fuel, refuel using only lo w-sulphur diesel
fuel with a sulphur content less than
50 ppm.
Ne verre fuel with one of thefo llowing fuels:
R petrol
R marine diesel
R heating oil
R pure bio-diesel fuel or vege table oil
R paraf fin or kerosene
If yo u ha veacciden tally refuelled with the
wrong fuel: #
Do not swit ch the ignition on. 420
Tech nical da ta

#
Consult a qualified specialist workshop. The
following compatibility indication for fuel
applies to yourvehicle: 1
For diesel fuel with a maximum of 7% byvol‐
ume bio-diesel (fatty acid me thyl es ter)
Ac cording toEuropean standard EN 1694 2you
can find the compatibility indications at thefo l‐
lowing locations:
R ontheve hicle on the information label in the
fuel filler flap (/ page211)
R onthe fuel pump or pump nozzle suitable for
yo ur vehicle thro ughout Europe Information on low outside
temperatures
Re fuel your vehicle with as much winter diesel
fuel as possible at the beginning of winter.
Before changing overto winter diesel fuel, the
fuel tank should be em pty, if possible. When first
re fuelling with winter diesel fuel, only refuel
using a small amount, e.g. toreser veleve l. The
fuel tank can be filled as usual when next refuel‐
ling.
Fu rther information on fuel can be obtained at a
fi lling station or a qualified specialist workshop.
Ta nk content and reser vefuel Model
Total capacity
All models 90.0 litres Model
of whichreser ve
fuel
All model s9 .0 litres Mercedes‑Maybac
hTotal capacity
Mercedes-Mayba ch
GLS 600 4MATIC 90.0 lit
res Mercedes‑Maybac
hof which reser ve
fuel
Mercedes-Maybach
GLS 600 4MATIC 9.0 lit
res Ad
Blue ® Note
s onAdBlue ®
Obser vethe no tes on operating fluids
(/ page 417).
Ad Blue ®
is a wate r-soluble fluid forth e NOx
ex haust gas af tertre atment of diesel engines.
It may be improper or punishable in some coun‐
tries tooperate a vehicle that uses no AdBlue ®
or one that does not comply with the specifica‐
tions of these operating instructions. Te
ch nical da ta421

*
NO
TEMalfunctions due tothe dilution of
Ad Blue ®
or the use of additive-enhanced
Ad Blue ® The function of
the NOx exhaust gas af ter‐
treatment can be impaire dby the use of
unsuitable denoxification agents. #
Only use AdBlue ®
in accordance wi th
ISO 222 41 . #
Do not dilu teAd Blue ®
wi th wate r. #
Do not use additive-enhanced AdBlue ®
. *
NO
TEDama geand malfunctions due to
impurities in AdBlue ® Consequences of impu
rities in AdBlue ®
:
R increased emission values
R damage tothe catalytic con verter
R NOx exhaust gas af tertre atment malfunc‐
tions #
Avoid impurities in AdBlue ®
. Ad
Blue ®
re sidues cr ystallise af ter a period of
time, and contamina tethe sur faces wi thwhich
th ey come into contact. Clean the dirty sur faces
wi th wate r as soon as possible.
When you open theAd Blue ®
tan k,small
amounts of ammonia vapour may escape. Do
not inhale any ammonia vapours that may be
re leased. Only fill th eAd Blue ®
tank in well-venti‐
lated areas.
Ad Blue ®
capacity
To tal capacity of AdBlue ®
tank Mode
lT otal capacity
All models 31.6 litres Ad
Blue ®
consu mption
The average AdBlue ®
consu mption is between
1% and 5% of fuel consumption. Li kefuel con‐
sum ption, AdBlue ®
consu mption is highly
dependent upon driving style and operating con‐
ditions. Forth is reason, your vehicle's actual
consum ption figures under da y-to -day operating
conditions may di ffer from the consum ption fig‐ ures calculated. The frequency at which
you will
ha ve to to p up AdBlue ®
will also vary. Ha vethe
Ad Blue ®
supply checked at a qualified specialist
wo rkshop before making journe ysoutside of
Europe. Before a longer stay outside of Europe,
consult a qualified specialist workshop.
Ad Blue ®
ra nge and fill le vel
The AdBlue ®
fill le vel and range can be displ ayed
via the on-board computer. The AdBlue ®
ra nge
shown depends strongly on the driving style and
operating conditions. The actual range can
th erefore deviate from thera nge cur rently dis‐
pl ay ed in the on-board computer. The informa‐
tion supplied in the Owner's Manual rega rding
th ere ser vequantity at thefirs t display warning
and on the minimum top-up quantity when the
ta nk is em pty is also tobe under stood as guide
va lues. Engine oil
Note
s on engine oil
Obser vethe no tes on operating fluids
(/ page 417). 422
Tech nical da ta

*
NO
TEEngine dama gecaused byan
incor rect oil filter, incor rect oil or addi‐
tives #
Do not use engine oils or oil filters
which do not cor respond tothe specifi‐
cations explicitly prescribed forthe
service inter vals. #
Do not alter the engine oil or oil filter in
order toachie velonger change inter vals
th an presc ribed. #
Do not use additives. #
Have the engine oil rene we d at regular
inter vals. Mercedes-Benz
recommends that you ha vethe
oil change car ried out at a qualified specialist
wo rkshop.
Only use engine oils appr oved byMercedes-
Benz.
Pe trol engines: for cer tain countries, dif fere nt
engine oils can be used in conjunction wi th
re duced maintenance inter vals.
% Further information on dif fere nt engine oils
can be ob tained at a qualified specialist
wo rkshop.
Quality and capacity of engine oil Pe
trol engine sM B-Freigabe or MB-
Appr oval
GLS 450 4MATIC 229.5 1,229.52,
229.61
229.71*
GLS 580 4MATIC 229.52
229.61* Mercedes‑Maybac
hMB-Freigabe or MB-
Appr oval
EU countries:
Mercedes-Mayba ch
GLS 600 4MATIC 229.5*
229. 51
No n-EU countries:
Mercedes-Maybach
GLS 600 4MATIC 229.5 Diesel engines MB-Fr
eigabe or MB-
App roval
All model s2 29.52
229.61* *
re commended for lo west possible fuel con‐
sum ption (lo westSA E viscosity class in ea ch
case; obser vepossible restrictions of the
appr ovedSA E viscosity classes)
To achie vethe lo west possible fuel consum ption,
it is recommended touse the engine oil specifi‐
cations mar ked in theta ble forth e lo west SAE
viscosity class. Possible restrictions of the Te
ch nical da ta423

appr
ovedSA E viscosity classes mu stbe
obser ved.
Mercedes-Maybach GLS 600 4MATIC: only
use SAE 0W-40 or SAE 5W-40 engine oils.
% Ifth e engine oils lis ted in theta ble are not
av ailable, you may add a maximum of
1. 0 litr e ofthefo llowing engine oils once
onl y.
Engine oils for one-time filling only in exceptional
cases:
R petrol engines:
- GLS 450 4MATIC: MB-Freigabe or MB-
Appr oval 229. 31orAC EA C3
- GLS 580 4MATIC: MB-Freigabe or MB-
Appr oval 229. 51orAC EA C3
- Mercedes-Mayba chGLS 600 4MATIC:
MB-F reigabe or MB-Appr oval 229.3 or
AC EA A3/B4
R diesel engines: MB-Freigabe or MB-Appr oval
229. 51orAC EA C3
The following values referto an oil change,
including the oil filter. Model
Capacity
GLS 580 4MATIC 9.5 litres
All other models 8.5 litres Mercedes‑Maybac
hCapacity
Mercedes-Mayba ch
GLS 600 4MATIC 9.5 lit
res Note
s on brake fluid Obser
vethe no tes on operating fluids
(/ page 417). &
WARNING Risk of an accident due to
va pour poc kets form ing in the brake sys‐
tem
The brake fluid cons tantly absorbs moi sture
from the air. This lo wersthe boiling point of
th e brake fluid. If the boiling point is too lo w,
va pour poc kets may form inthe brake sys‐
te m when the brakes are applied hard.
This impairs the braking ef fect. #
Have the brake fluid rene we d at the
specified inter vals. Ha
ve the brake fluid regularly replaced at a
qu alified specialist workshop.
Only use a brake fluid appr ovedby Mercedes-
Benz according toMB-F reigabe or MB-Appr oval
33 1.0. Coolant
Note
s on coolant
Obser vethe no tes on operating fluids
(/ page 417). &
WARNING Risk offire ‑ and inju ryfrom
antifreeze
If antifreeze comes into contact with hot
component parts in the engine compart‐
ment, it may ignite. #
Allow the engine tocool down before
yo uto p up the antif reeze. #
Make sure that no antifreeze spills out
next tothefiller opening. 424
Tech nical da ta