2021 MERCEDES-BENZ GLS SUV ad blue

T
T
ec
ec hnology Fr
hnology Freq
eq uency r
uency r angeT r
ang eT ransmission output/magne
ansmission output/magne tic
tic/eld
/eld s
strtr eng th
ength
Block Heater Remo teControl, Garage Door
Opener 869 MHz (868.7–869.2 MHz)≤
25 mW ERP
Blue toot h, Kleer, RLAN, wireless Headphone s2.4 GHz ISM band (2400–2483.5 MHz) ≤ 100 mW EIRP
RLAN 5.1 GHz UNII-1 (5150–5250 MHz)≤ 25 mW EIRP
Interior Monitoring Radar, RLAN 5.8 GHz UNII-3 (5725–5875 MHz)≤ 25 mW EIRP
Re mo teKeyless Entr y7 .25 GHz UWB (6.0–8.5 GHz) ≤ -41.3 dBm/MHz EIRP mean ≤ 0 dBm/MHz
EIRP peak
76 GHz radar 76–77 GHz ≤ 55 dBm peak EIRP
Carsharing Module NFC:
NFC:
13.553–13.567 MHz
Bluet Bluet ooth
oo th®
®
:
:
2402–2480 MHz NFC:
NFC:
≤ 42 dBμA/m at 10 m
Bluet Bluet
ooth
oo th®
®
:
:
≤ +4 dBm (class 2) 30
30
General no
tes

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T
ec
ec hnology Fr
hnology Freq
eq uency r
uency r angeT r
ang eT ransmission output/magne
ansmission output/magne tic
tic/eld
/eld s
strtr eng th
ength
Re ar Seat Enter tainment System
Bluet
Bluetooth
oo th®
®
:
:
2400–2483.5 MHz
WL WL AN 2.4 GHZ:
AN 2.4 GHZ:
2400–2483.5 MHz
WL WL AN 5 GHz:
AN 5 GHz:
5150–5250 MHz
5725–5875 MHz Bluet Bluet
ooth
oo th®
®
:
:
-0.8 dBm
WL WL AN 2.4 GHZ:
AN 2.4 GHZ:
14.5 dBm
WL WL AN 5 GHz:
AN 5 GHz:
20.5 dBm
13.3 dBm
Tw o-w ayradio (Tel7 telephone control unit) E-GSM (900 MHz)
GSM (1800 MHz) +33 dBm
+30 dBm
UMTS (Band I, III, VIII) +24 dBm (+1/-3 dB)
LT E (Band 1, 3, 7, 8, 20, 28) +23 dBm (±2 dB)
RAMSES (Router And Mobile SErviceS )GSM (E-GSM 850 / E-GSM 900, Class 4)
GSM (E-GSM 1800 / E-GSM 1900, Class 4) < +32.5 dBm (±1 dB)
< +29.5 dBm (±1 dB)
UMTS (WCDMA FDD I, II, III, IV, V,VIII, XIX, Class
3) < +23.5 dBm (±1 dB)
LT E (FDD B1, B2, B3, B4, B5, B7, B8, B9, B18,
B19, B21, B28, Class 3) < +23 dBm (±1 dB) General no
tes
31 31

#
Do not place objects into thete mp era-
ture-controlled cup holder. Cup holder in
the front centre console Cup holder in
there ar cent reconsole Cup holder in
there ar cent reconsole (Mercedes-
Maybach four-seater vehicles) #
T
To switc
o switc h on:
h on:on cup holder 1, press button
2 repeatedly until the blue (keep cool) or red
(keep warm) indicator lamp on the button
lights up.
If yo u use the heating function, the me tal
insert of the cup holder is heated. Once a cer-
ta in temp erature has been reached, thewa rn-
ing lamp lights up. Do not reach into the cup
holder's me tal insert when thewa rning lamp is
lit. #
T To switc
o switc h
ho.:
o.: press button 2repeatedly until
th e indicator lamp on the button goes out. Seats and st
owing
151
151

such as carbon monoxide may enter
theve hi-
cle. This is the case in enclosed spaces or if
th eve hicle gets stuck in sno w,forex ample. #
Always switch the stationary heater o. in
enclosed spaces without an air extrac-
tion system, e.g. in garage s. #
Keep theta ilpipe and the area around
th eve hicle free from snow when the
ve hicle or the stationary heater is run-
ning. #
Open a wind owonthe side of theve hicle
fa cing away from the wind toensure an
adequate supply of fresh air. &
W
WARNING
ARNING Risk of /re due tohot station-
ary heater components and exhaust gases
Flammable materials such as lea ves, grass or
twigs may ignite. #
When the stationary heater is switched
on, make sure that:
R hot vehicle parts do not come into
contact with 0ammable materials. R
theex haust gas can 0ow out of the
stationa ryheater exhaust pipe unhin-
dered.
R theex haust gas does not come into
contact with 0ammable materials. *
N
NOOTE
TE Bat tery dischar gecaused bysta-
tionar y heater or stationaryventilation
ope ration Operating
the stationary heater or stationary
ve ntilation drains the batter y. #
ATer heating or ventilating theve hicle
twice, drive for a longer period of time. R
R
eq
eq uir
uir ements:
ements:
R The fuel tank is su1cient lyfull.
% Please no tethat if theta nk /ll le vel is too lo w,
it can result in function restrictions du ring
auxilia ryheating operation. #
Set the desired temp erature using thew
button. #
Press the& button.
The red or blue indicator lamp on the&
button will light up or go out.
Indicator lamp colours:
R Blue:
Blue: stationary ventilation is switched on.
R R
Red:
ed: the stationary heater is switched on.
R Y
Yello w:
ello w:the departure time has been preselec-
te d.
The stationary heater/ventilation will switch o.
automatically aTer 50 minutes.
Oper Oper ation using t
ation using t he app:
he app:the stationary heater/
ve ntilation can also be ope rated via the Mercedes
me connect app. You can /nd fur ther information
in the separate Owner's Manual at https://
moba.i.daimler.com/mar kets/ece-r ow/baix/
ca rs/connectme/en_GB/#em otions/
St artsei te.html. 184
184
Clima
tecont rol

cialist
workshop. Adapt your driving style tothe
ch anged braking characteristics.
* N
NOOTE
TE Damage caused bydriving over
obstacles The
vehicle can be damaged by:
R driving onto high kerbs or unpa vedro ads.
R quickly driving over obstacles such as
ke rbs, speed bumps or po tholes.
R heavy objects hitting the underbody or
ch assis components. #
Do not drive over obstacles that could
damage theve hicle. #
Check theve hicle regula rly fo r damage
during o.- road driving. #
Adjust theve hicle speed tosuit thero ad
sur face conditions. #
Ifth ere is damage, consult a quali/ed
specialist workshop immediatel y. +
ENVIR
ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEEnvironmen tal
damage due tonon-obser vance of prohibi-
tion signs Environmental pr
otection has priority. Treat
nature with respect. #
Be sure toobser veprohibition signs. Chec
Chec
klis
klist beft bef or
ore dr
e dr iving
iving o.-r
o.-road
oad
Check thefo llowing points before driving o.- road:
R Fuel le vel
R V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: AdBlue ®
level
R Engine oil le vel: /ll engine oil tothe maximum
le ve lto ensure full gradeability (/ page 367)
R Tyre-change tool kit and spare wheel
R Tyres and wheels
% Further information about special all- terrain
tyres forre tro/tting can be ob tained from a
qu ali/ed specialist workshop. O.-r
O.-r
oad
oaddr
driving
iving
Re ad this section before driving your vehicle o.-
ro ad. Practise bydriving over more gentle o.-road
te rrain /rst.
R Obser vethe no tes on the cross-country ABS
(/ page 231).
R If necessar y,select theF orG drive
prog ram (vehicles with O.-road pac kage)
before driving o.- road (/ page 207).
R Before driving o.-road, shiT the transfer case
to the LLO
O W RAN
W RAN GE
GEo.-road gear (vehicles with
O.-road pac kage ) (/ page 214).
R Select a vehicle le vel suitable for o.- road ter-
ra in (/ page 269). Toavo id damaging the
ve hicle, make sure there is alw ays su1cient
gr ound clearance.
R Alwayske ep the engine running and in gear
when driving on downhill gradients and slopes.
Obser vethe no tes on driving in moun tainous
te rrain.
R Do not drive on unkn ownte rrain that is not
easily visible and st ayon mar kedro utes. Driving and parking
199
199

#
Press on the back area of fuel /ller 0ap 1.#
Turn the fuel /ller cap anti-clockwise and
re mo veit. #
Insert fuel /ller cap from abo veinto brac ket
2 . #
Comple tely insert the pump nozzle into the
ta nk /ller nec k,hook in place and refuel. #
Only /ll the fuel tank until the pump nozzle
switches o..
% V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: theta nk /ller
neck is designed forre fuelling at diesel /lling
pumps.
% V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: whenthe fuel
ta nk is comple tely em pty, top up with at least
5 litres of diesel.
% V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: use a /ller neck
with a lar gediame terfo rve hicles with a diesel
engine when topping up fuel from a fuel can.
Otherwise, the /ller neck cannot slide into the
ta nk. #
Replace the cap on the /ller neck and turn
clockwise until it engages audibl y. #
Close fuel /ller 0ap 1. A
A
dBlue
dBlue ®
®
(v
(vehicles wit
ehicles wit h a diesel engine onl
h a diesel engine onl y)
y) N
No
ot
tes on
es on r
re/lling
e/lling A
AdBlue
dBlue ®
®
Ad Blue ®
is a water-soluble 0uid forth e NOx
ex haust gas aTertreatment of diesel engines. In
order forth eex haust gas aTertreatment tofunc-
tion proper ly, only use AdBlue ®
in acco rdance
with ISO 22241.
Ad Blue ®
is ch aracterised bythefo llowing:
R non-t oxic
R colourless and odourless
R non-0ammable
If yo u open theAd Blue ®
tank, small amounts of
ammonia vapour may be released. Only /ll the
Ad Blue ®
tank in well-ventilated areas.
Do not let AdBlue ®
come into contact wi thskin,
ey es or clo thes. Keep AdBlue ®
awa y from chil-
dren.
Do not ingest AdBlue ®
. If AdBlue ®
is swallo wed,
immediately rinse your mouth out thoroughl y. Drink plenty of
water. Seek medical at tention at
once.
Obser vethe no tes on operating 0uids
(/ page 425).
Ad Blue ®
is available here:
R AdBlue ®
can be topped up byfast service at a
quali/ed specialist workshop, e.g. a
Mercedes-Benz Se rvice Centre.
R AdBlue ®
is available at many /lling stations
from AdBlue ®
/lling pumps.
R Alternati vely,Ad Blue ®
is available at quali/ed
specialist workshops, e.g. Mercedes-Benz
Se rvice Centres, and at many /lling stations in
Ad Blue ®
re/ll canis ters or AdBlue ®
re/ll bot-
tles.
% Ensure the connection between there /ll con-
ta iner and vehicle /ller neck does not drip. Driving and parking
219 219

T
T
opping up A
opping up A dBlue
dBlue®
®
* NO
NOTE
TEEngine damage due toAd Blue ®
being in the fuel #
AdBlue ®
must not be used to/ll the fuel
ta nk. #
Only use AdBlue ®
to /ll theAd Blue ®
ta nk. #
Do not over/ll theAd Blue ®
tank. *
N
NOOTE
TE Contamination of theve hicle inte-
ri or due toAd Blue ®
lea kage #
ATer topping up, carefully close the
Ad Blue ®
re/ll con tainer. #
Avoid car rying AdBlue ®
re/ll con tainers
permanently in theve hicle. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is unloc ked. The
following message s appear in order in the
Instrument Displ aywhen theAd Blue ®
tank
re qu ires topping up:
R Refill AdBlue See Owner’s Manual The
Ad Blue ®
leve l has fallen below there ser ve
ra nge. Top up AdBlue ®
immediatel y.
R Top up AdBlue Emergency op. in XXX miles
See Owner's ManualThe low AdBlue ®
level
will lead tolimited per form ance aTer the
re maining distance displa yed has been driven.
To p up AdBlue ®
immediatel y.
R XX,X l Top up AdBlue Emer. op.: max. XXX
km/h Start not poss. in XXX kmThe low
Ad Blue ®
leve l will lead tolimited per form ance
from the speed displa yed. ATer there maining
distance displa yed has been co vered, it will no
longer be possible tostart theve hicle. Top up
with at least the amount of AdBlue ®
displa yed.
R XX,X l Top up AdBlue Switch on ignition, wait
60 sec. or eng. start not poss. TheAdBlue ®
ta nk is em pty. Yo u can no longer start the
ve hicle. Top up with at least the amount of
Ad Blue ®
displa yed. Switch on theve hicle and wa
itfor appr oximately 60 seconds. Start the
ve hicle.
Yo u can see theAd Blue ®
range and le vel in the
Service menu in the Instrument Displa y.
% The AdBlue ®
range sh own depends strongly
on the driving style and operating conditions.
The actual range can therefore deviate from
th e calculated range. 220 220
Driving and parking

Opening t
Opening t
he A
he AdBlue
dBlue ®
®
/ller
/ller cap
cap #
Press on the back area of fuel /ller 0ap 1.#
Turn AdBlue ®
/ller cap 2anti-clockwise and
re mo veit.
T
T opping up A
opping up A dBlue
dBlue®
®
Mercedes-Benz recommends topping up AdBlue ®
at a /lling pump. If no AdBlue ®
/lling pump is av
ailable, you can also top up AdBlue ®
using a
canister. #
Screw onthefa stener of AdBlue ®
re/ll canis-
te r4. #
Screw disposable hose 3onto the opening
of Ad Blue ®
re/ll canis ter4 until hand-tight. #
Screw disposable hose 3onto the /ller neck
of theve hicle until hand-tight. #
LiT up and tip AdBlue ®
re/ll canis ter4.
The /lling process stops when theAd Blue ®
ta nk is comple tely full. Ad
Blue ®
re/ll canis ter4 can be remo ved
when it has been only partially em ptied. #
Unscr ewand close disposable hose 3and
Ad Blue ®
re/ll canis ter4 inreve rse order. #
Replace AdBlue ®
/ller cap 2and turn it
clo ckwise until it audibly engages. #
Close fuel /ller 0ap 1. #
Switch on theve hicle for at least 60 seconds.
% Ifth eve hicle could not be star ted as the
Ad Blue ®
tank was em pty, it can take up to
60 seconds forth ere /ll tobe de tected. #
Start theve hicle.
% Avoid storing AdBlue ®
re/ll con tainers perma-
nently in theve hicle. Driving and parking
221
221