cooling MERCEDES-BENZ GLE SUV 2021 Owners Manual

#
When a roof luggage rack isfitted, open
th e panorama sliding sunroof only if this
has been tested and appr oved for
Mercedes-Benz.
The panorama sliding sunroof may be raised
to allow ventilation of theve hicle interior. #
Secure thero of rack tothero of railing. #
Obser vethe manufacturer's ins tallation
instructions. Cup holders
Switching
the cooling or heating function for
th etemp erature-cont rolled cup holder on or
off &
WARNING Risk of injury bytouching the
heating elements
The cup holder's heating elements may be
ve ry hot.
Yo u can burn yourself on them. #
Do not touch the cup holder's hot heat‐
ing elements. #
Ensure that no children can access the
cup holder's hot heating elements. #
Never lea vechildren unat tended in the
ve hicle. *
NO
TEDama getoobjects in thete mp era‐
ture-contro lled cupholder If
yo u place objects into thete mp erature-
controlled cup holder, they may become
dama ged. #
Do not place objects into thete mp era‐
ture-contro lled cup holder. Cup holder in
the front cent reconsole Seats and
stowing 13 5

Overview of
there ar operating unit 1
Sets thete mp erature, left
2 Sets the air distribution, left
3 Sets climate control toautomatic mode
(/ page 163)
4 Setting the air flow
5 Switches climate control on/off
(/ page 162)
Switches there sidual heat on/off
(/ page 164)
6 Sets the air distribution, right
7 Sets thete mp erature, right The settings
forth e second and third row of
seats can be made via there ar operating unit,
th e multimedia sy stem (/ page163) or the
MBUX rear tablet depending on theve hicle's
equipment. Operating
the clima tecont rol sy stem Switching clima
tecont rol on/off #
Toswitch on: setthe air flow toleve l 1 or
higher using theH button. #
Toswitch off: setthe air flow toleve l 0 using
th eH button.
If climate control is switched off, the windo ws
may mist up more quickl y.Switch climate con‐
trol off only briefl y. Switching
the clima tecont rol in there ar
on/off #
Press button 5.
% When clima tecontrol in the second seat row
is switched off, the indicator lamp is activa‐
te d and OFFis shown on there ar displa y. Switching
the A/C function on/off using the
air conditioning control panel The A/C function heats, cools and dehumidi
fies
th eve hicle's interior air. #
Press the0056 button.
Switch off the A/C function only brief ly;ot her‐
wise, the windo wsmay mist up more quickl y.
Condensation may drip from the underside of
th eve hicle when cooling mode is active. This is
not indicative of a fault. Calling up
the air conditioning menu Calling up
the air conditioning menu using
th e multimedia sy stem #
Select one of thete mp erature displa ysatthe
lo we r edge of the media displa y.
Calling up the air-conditioning menu using
th e but ton on the clima tecont rol panel #
Press the! button on the climate control
panel. 16 2
Climate cont rol

St
arting theve hicle with theke y in thesto w‐
age compa rtment (emer gency operation
mode)
If th eve hicle does not start and thePlace the
key in the marked space See Owner's Manual
message appears in the multifunction displa y,
yo u can start theve hicle in emer gency operation
mode. #
Makesure that the mar ked space 2is
em pty. #
Remo vetheke y1 from theke yring. #
Place theke y1 inthe mar ked space 2
next tothe symbol 3.
The vehicle will start af ter a short time.
If yo ure mo vetheke y1 from the mar ked
space 2,the engine continues running. For
fur ther engine starts ho wever,th eke y1
must be located in the mar ked space 2
next tothe symbol 3during the entire jour‐
ne y. #
Have theke y1 checked at a qualified spe‐
cialist workshop.
If th eve hicle does not star t: #
Place theke y1 inthe mar ked space 2
and lea veitth ere. #
Depress the brake pedal and start theve hi‐
cle using thest art/ stop button.
% You can also swit chon the po wer supp lyor
th e ignition with thest art/ stop button. Obser
veany information rega rding display mes‐
sages that can be displa yed on the multifunction
displa y. St
arting theve hicle via Remo teOnline Serv‐
ices Cooling or heating
theve hicle interior before
st arting the jou rney
Ensu rethefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked.
R the fuel tank is su fficiently full.
R thest ar ter battery is suf ficiently charge d.
Charging thest ar ter battery be fore starting
th e jou rney
If th eve hicle battery is dischar ged, you can
re cei vea message on your smartphone. You can
th en start theve hicle with the smartphone to
ch arge the batter y.The vehicle is automatically
switched off af terte n minu tes. Driving and parking
175

Dif
fere nces between dif fere nt vehicle le vels
compared tothe normal le vel Ve
hicle
le vel Ve
hicles
without Off-
ro ad pac kage Ve
hicles with
Off-road pack‐
age
Car wash Appr ox.
+90 mm Appr
ox.
+90 mm
Off-road
le ve l +3 Una
vailable Appr ox.
+90 mm
Off-road
le ve l +2 Una
vailable Appr ox.
+60 mm
Off-road
le ve l +1 +60 mm Appr
ox.
+30 mm
Spor tA pprox.
-15 mm App
rox.
-15 mm
Spo rt+A pprox.
-25 mm App
rox.
-25 mm If
th e entry /exit le vel function is activated, the
ve hicle is lo weredto the Sport + le velto facili‐
ta te entering/exiting theve hicle. When driving at speeds of appr
oximately 30 km/h or abo ve,
th e entry /exit le vel is deactivated and theve hi‐
cle is raised (/ page 255).
Operation with a trailer or bicycle rack
If transport equipment, forex ample a trailer or
bicycle rack , is attached tothe trailer hitch and
th e electrical connection has been cor rectly
es tablished:
R In drive prog ram F andG, theve hicle
adopts the normal le velst arting from a
speed of 30 km/h.
R In all other drive programs, theve hicle
re mains at normal le vel ir respective of
speed.
Sy stem limits
AIRMATIC may not be available or ha veonly limi‐
te dav ailability in thefo llowing cases:
R The overheating pr otection has been activa‐
te d due tofrequent le velch anges within a
short time. The 00C4warning lamp appears
in the multifunction displa y.
Af terth e cooling phase, the sy stem is again
av ailable without restriction. Setting the
vehicle le vel (vehicles with AIR‐
MATIC) &
WARNING Risk of accident because
ve hicle le vel is too high
Driving characteristics may be impaired.
The vehicle can drift outwards, forex ample,
when steering or cornering. #
Choose a vehicle le vel which is suited
to the driving style and thero ad sur face
conditions. &
WARNING Risk of entrapment from vehi‐
cle lo wering
When lo wering theve hicle, other people
could become trapped if their limbs are
between theve hicle body and the tyres or
underneath theve hicle. #
Make sure no one is underneath the
ve hicle or in the immediate vicinity of
th e wheel ar ches when theve hicle is
being lo wered. 252
Driving and parking

Coolant
Note
s on coolant
Obser vethe no tes on operating fluids
(/ page 410). &
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. #
Thoroughly clean the antif reeze from
component parts before starting the
ve hicle. *
NO
TEDama gecaused byincor rect cool‐
ant #
Only use coolant that has been pre‐
mixed with therequ ired antifreeze pro‐
te ction.
Information on coolant is available at thefo l‐
lowing locations:
R inthe Mercedes-Benz Specification for
Operating Fluids 310.1
- at https://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo app
R at a qualified specialist workshop *
NO
TEOverheating at high outside tem‐
peratures If an inapp
ropriate coolant is used, the
engine cooling sy stem is not suf ficiently pro‐
te cted against overheating and cor rosion at
high outside temp eratures. #
Alw ays use coolant appr ovedby
Mercedes-Benz. #
Obser vethe instructions in the
Mercedes-Benz Specifications for Oper‐
ating Fluids 310.1. Ha
ve the coolant regularly replaced at a qualified
specialist workshop.
Proportion of antifreeze concentrate in the
engine cooling sy stem:
R a minimum of 50% (antifreeze pr otection
down toappr oximately -37°C)
R a maximum of 55% (antifreeze pr otection
down to-45°C) Note
s on windscreen washer fluid Obser
vethe no tes on operating fluids
(/ page 410). &
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact with hot engine component parts or
th eex haust sy stem. 41 8
Tech nical da ta

Maximum
gradient climbing ability
The vehicle's gradient climbing ability depends
on thewe ight distribution in theve hicle, thete r‐
ra in conditions and thero ad sur face conditions.
The specified value applies in thefo llowing
cases:
R theve hicle is ready todrive – fuel tank full,
all fluids topped up, driver in theve hicle
R theLO W RANGE off-roadgear of the trans‐
fe r case is engaged
R thero ad sur face conditions and thus traction
are good
A gradient climbing ability of 100% cor responds
to an incline of 45°.
Obse rveth e no tes on driving in mountainous ter‐
ra in (/ page181). Mo
del Maximumgra‐
dient climbing ability
Ve hicles without Off-
ro ad pac kage 80%
Ve hicles with Off-road
pac kage
When LOW RANGE off-
ro ad gear is engaged 10
0% Tr
ailer hitch Gene
ral no tes on the trailer hit ch Modifications
tothe engine cooling sy stem may
be necessar y,depending on theve hicle model.
The retrofitting of a trailer hitch is only pe rmissi‐
ble if a towing capacity is specified in your vehi‐
cle documents.
Fu rther information can be obtained at a quali‐
fi ed specialist workshop. Mounting dimensions
1
Fastening points
2 Overhang dimension
3 Rear axle centre line 422
Tech nical da ta

Engine
Display messages
Possible causes/consequences and 0050 0050Solutions
To switch off the engine,
press the Start/Stop but-
ton for at least 3 seconds
or 3 times. *Y
ou ha vepressed thest art/ stop button while theve hicle is in motion. #
Information about switching off the engine while driving (/ page174).
Cannot start engine See
Owner's Manual *T
hevehicle cannot be star ted. #
Switch the ignition off and switch it back on. #
Ifth e display message still appears, consult a qualified specialist workshop.
00BD
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEEngine damage duetoinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Add coolant (/ page 354). #
Have the engine cooling sy stem checked at a qualified specialist workshop. 444
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050 0050Solutions
ÿ Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. &
WARNING Risk of burn s when opening the bonn et
If yo u open the bonn etwhen the engine has overheated or when there is a fire inthe engine compartment, the
fo llowing situations may occur:
R You could come into contact with hot gases.
R You could come into contact with other hot, escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the bonn etclosed and call thefire service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120°C.
ÿ *T
here is a malfunction in the engine cooling sy stem. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120°C. Displ
aymessa ges and warning/indicator lamps 445

Display messages
Possible causes/consequences and 0050 0050Solutions #
Consult a qualified specialist workshop.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away.
Auxiliary battery malfunc-
tion (whitedisplay mes‐
sage) *
Ve hicles with automatic transmission: The auxiliary batteryforth e transmission is no longer being charge d. #
Consult a qualified specialist workshop. #
Vehicles with automatic transmission: Untilthen, alw ays select park position 005Dmanually before you swit ch
off the engine. #
Before leaving theve hicle, apply the electric parking brake.
Auxiliary battery malfunc-
tion (red display message) *
Ve hicles with automatic transmission: The auxiliary batteryforth e transmission is no longer being charge d. #
Consult a qualified specialist workshop. #
Vehicles with automatic transmission: Untilthen, alw ays select park position 005Dmanually before you swit ch
off the engine. #
Before leaving theve hicle, apply the electric parking brake. Display messages and
warning/indicator lamps 449

Display messages
Possible causes/consequences and 0050 0050Solutions
00C4 Please reduce speed *Y
ou are driving toofast forth e selected vehicle le vel. #
Drive more slowly and then select the desired vehicle le vel again.
Yo u are driving tooqu ickly with a trailer or the trailer hitch soc ket is being used, e.g. for a rear cycle rack. #
Read the no tes on trailer operation.
00C4 Compressor is cooling *D
uetofrequent le velch anges within a short space of time, the compressor firs t needs tocool down in order toset
th e selected vehicle le vel.
When the compressor has cooled down, theve hicle will continue rising tothe selected vehicle le vel. #
Drive on in a manner appropriate forth e cur rent le vel. Make sure that there is suf ficient ground clearance.
Cannot reach selected
level when rear fog lamp is
switched on *Y
ou cannot select off-road le vel +3. #
Swit choff there ar fog lamp.
Parking Assist and
PARKTRONIC inoperative
See Owner's Manual *
Ve hicles with Active Parking Assis t:Ac tive Parking Assist and Parking Assist PARKTRONIC are malfunctioning.
Ve hicles without Active Parking Assis t:Pa rking Assist PARKTRONIC is malfunctioning. #
Stop theve hicle in accordance with the tra ffic conditions and restart theve hicle. #
Ifth e display message still appears, consult a qualified specialist workshop. Display messages and
warning/indicator lamps 469