2021 MERCEDES-BENZ GLC COUPE warning

*
NO
TEPlug-in hybrid #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. Obser
vethefo llowing no tes on theto ngue
we ight:
R Do not use a tongue weight that exceeds or
fa lls below the permissible tongue weight
R Use a tongue weight as close as possible to
th e maximum tongue weight
Do not exceed thefo llowing values:
R Perm issible towing capacity
R Perm issible rear axle load of theto wing vehi‐
cle
R Perm issible gross weight of theto wing vehi‐
cle
R Perm issible grossweight of the trailer
R Maximum permissible speed of the trailer Ensure
thefo llowing before starting a journey:
R The tyre pressure on there ar axle of theto w‐
ing vehicle is set for a maximum load
R The lighting of the connected trailer is opera‐
tional
R Vehicles without LED headlamps or MUL‐
TIBEAM LED headlamps: the headlamps
ha ve been set cor rectly
In theeve nt of increased rear axle load, the car/
trailer combination must not exceed a maximum
speed of 100 km/h forre asons concerning the
operating permit. This also applies in countri es
in which the permissible maximum speed for
car/trailer combinations is above 100 km/h.
% When you are reve rsing with a trailer,
re member touse theTr ailer Manoeuvering
Assist function (/ page 238). Extending and
retracting the ball ne ckfully
electrically &
WARNING Risk of accident due tothe
ball neck not being engaged
If th e ball neck is not engaged, the trailer
may come loose. #
Make sure that the ball neck securely
engages and loc ksinto place. *
NO
TEDama getothe all-electric trailer
hitch due toadditional pressure The all-electric trailer hit
chcould be mechan‐
ically damaged byapplying additional pres‐
sure when the ball neck is being extended or
re tracted. #
Do not ma kethe ball neck extend/
re tract faster by applying additional
pressure. 240
Driving and pa rking

Re
tracting the ball ne ckfully electrical ly#
Pull button 1.
Indicator lamp 2willflash and the mes‐
sage Trailer coupling in motion will appear on
th e multifunction displa y.
The ball neck will retract fully electrically. #
Wait until the ball neck has loc ked in place.
When indicator lamp 2goes out, the ball
neck is securely loc ked in place.
If th e ball neck is not securely loc ked in
place, indicator lamp 2willflash and the
messa geCheck trailer hitch lock will appear
on the multifunction displa y.
Obser vethe information about the displa yson
th e instrument clus ter:
R Indicator and warning lamps (/ page 425)
R Display messages (/ page370) Extending and
retracting the ball ne ckfully
electrically (multimedia sy stem) &
WARNING Risk of accident due tothe
ball neck not being engaged
If th e ball neck is not engaged, the trailer
may come loose. #
Alw ays engage the ball neck as descri‐
bed. *
NO
TEDama getothe all-electric trailer
hitch due toadditional pressure The all-electric trailer hit
chcould be mechan‐
ically damaged byapplying additional pres‐
sure when the ball neck is being extended or
re tracted. #
Do not ma kethe ball neck extend/
re tract faster by applying additional
pressure. Re
quirements:
R The vehicle is secured against rolling away.
R The swivel range is clear. R
The trailer cables or adap ter plugs ha vebeen
re mo ved.
Multimedia sy stem:
4 © 5
Settings 5
Quick access
Extending the ball neck fully electrically #
Select Ü.
The Trailer coupling extending… display mes‐
sage will appear on the multifunction displa y.
The ball neck will extend fully electrically. #
Wait until the ball neck has loc ked in place.
If th e ball neck is not securely loc ked in place,
th eCheck trailer hitch lock message will appear
on the multifunction displa y.
Re tracting the ball ne ckfully electrical ly #
Select Ü.
The Trailer coupling extending… displaymes‐
sage will appear on the multifunction displa y.
The ball neck will retract fully electrically. #
Wait until the ball neck has loc ked in place. 242
Driving and pa rking

If
th e ball neck is not securely loc ked in place,
th eCheck trailer hitch lock message will appear
on the multifunction displa y.Coupling up/uncoupling a trailer
&
WARNING Risk of injury fromtheve hicle
le ve l being changed
Ve hicles with le vel control sy stem: the
ve hicle le vel may be changed unin tentional ly,
e.g. by ot her persons. You may become trap‐
ped if you couple up or uncouple a trailer
while theve hicle le vel is changing. In addi‐
tion, other people could become trapped if
th eir limbs are between theve hicle body and
th e tyres or underneath theve hicle.
When coupling up or uncoupling a trailer,
make sure that: #
The doors or tailgate are not opened or
closed. #
You do not initiate the le vel control sys‐
te m and do not operate theDY NA MIC
SELECT switch. #
Do not lock or unlock theve hicle. Re
quirements:
R The ball neck is extended and engaged in a
secu rely loc ked position.
Tr ailers with a 7-pin plug can be connec tedto
th eve hicle with thefo llowing adap ters:
R Adapter plug
R Adapter cable
The trailer will be cor rectly de tected bytheve hi‐
cle only if thefo llowing conditions are me t:
R The trailer is connected cor rectl y.
R The trailer lighting sy stem is in working
order.
The functions of thefo llowing sy stems will be
af fected bya cor rectly connected trailer:
R ESP ®
trailer stabilisation
R Trailer Manoeuvering Assist
R Active Lane Keeping Assist
R Parking Assist PARKTRONIC
R Active Parking Assist R
Blind Spot Assist or Active Blind Spot Assi st
R Drive AwayAssi st
R Cross Traf fic Alert
R Reversing camera
R 360° camera
R AIR BODY CONTROL
Coupling up a trailer
* NO
TEDama getothest ar ter battery due
to full dischar ge Charging
the trailer battery using the po wer
supply of the trailer can damage thest ar ter
batter y. #
Do not use theve hicle's po wer supply
to charge the trailer batter y. #
Remo vethe co ver cap from the ball head and
st ore it in a safe place. #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. Driving and parking
243

#
Open the soc ket cap. #
Inse rtthe plug with lug 1in groo ve3 on
th e soc ket. #
Turn bayonet coupling 2totheright as far
as it will go. #
Let the cap engage. #
Secure the cable tothe trailer with cable ties
(only if you are using an adap ter cable). #
Make sure that the cable is alw ays slack for
ease of mo vement during cornering. Under
thefo llowing conditions, a message may
appear on the multifunction display even if the
trailer has been connected cor rectly:
R LEDs ha vebeen ins talled in the trailer light‐
ing sy stem.
R The cur rent has fallen below the trailer light‐
ing sy stem's minimum cur rent (50 mA).
% Accessories can be connected tothe perma‐
nent po wer supp lyup to180 W and tothe
po we r supp lythat is swit ched on via the igni‐
tion loc k.
Un coupling a trailer &
WARNING Risk of being crushed and
becoming trapped when uncoupling a
trailer
When uncoupling a trailer with an engaged
ine rtia-activated brake, your hand may
become trapped between theve hicle and the
trailer dr awbar. #
Do not uncouple trailers with an
engaged overrun brake. *
NO
TEDama gewhen uncoupling in a
st ate of overrun Uncou
pling in a state of overru n can dama ge
th eve hicle. #
Do not uncouple trailers with an
engaged overrun brake. &
WARNING Risk of becoming trapped
when disconnecting the trailer cable
Ve hicles with le vel control sy stem: The
ve hicle may lo wer when the trailer cable is
disconnected.
This could result in you or other people
becoming trapped if your or their limbs are
between theve hicle body and the tyres or
underneath theve hicle. #
Make sure that nobody is unde rneath
th eve hicle or in the immediate vicinity
of the wheel ar ches when you discon‐
nect the trailer cable. 244
Driving and pa rking

*
NO
TEDama getothere ar bumper from
ins talling adap ter cables or adapte r plugs The
following parts could be damaged when
swiveling the ball neck fully electrically:
R Bumper
R Adapter cable
R Adapter plug #
Alw aysre mo vethe adap ter cable or
adapte r plug before swiveling the ball
neck fully electrically. #
Secure the trailer against rolling away. #
Disconnect the electrical connection
between theve hicle and the trailer. #
Uncouple the trailer. #
Place the co ver cap on the ball head. Bicycle
rackfunction &
WARNING Risk of an accident when
using the bicycle rack incor rectly
The bicycle rack may become de tach ed from
th eve hicle in thefo llowing cases:
R the permissible load capacity of the
trailer hitch is exceeded.
R the bicycle rack is used incor rectl y.
R the bicycle rack is secured tothe ball
neck beneath the ball head.
Obser vethefo llowing foryo ur ow n sa fety
and that of other road users:
R always adhere tothe permissible load
capacity of the trailer hitch.
R only use the bicycle rack totranspo rt
bicycles.
R always mount the bicycle rack properly by
attaching tothe ball head and the ball
neck guide pin, if possible. R
when transporting four bic ycles, alw ays
use bic ycle rack s which ha veadditional
suppo rton the ball neck guide pin.
R only use bicycle rack s appr ovedby
Mercedes-Benz.
R always obser vethe bicycle rack operating
instructions. *
NO
TEDama geto, or cra cks on, the
trailer hitch due tounsuitable bic ycle
ra ck s or bicycle rack s being used incor‐
re ctly #
use only bicycle rack s appr ovedby
Mercedes-Benz. *
NO
TEIncreased risk of damage toprop‐
erty due tofolded-out ball neck #
When the trailer is not coupled or the
bicycle rack is attached, fold in the ball
neck or, in the case of a fully electric
trailer hitch, retract the ball nec k. Driving and pa
rking 245

Note
s onthe instrument display and on-
board compu ter &
WARNING Risk of accident due toan
instrument display malfunction
If th e instrument display has failed or mal‐
functioned, the function restrictions applying
to saf etyre leva nt sy stems are not visible.
The operating saf ety of your vehicle may be
impaired. #
Drive on carefull y.#
Have theve hicle checked immediately
at a qualified specialist workshop. &
WARNING Risk of dist raction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tion equipment integ rated in theve hicle
when driving, you will be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle. #
Only operate this equipment when the
traf fic situation permits. #
Ifyo u cannot be sure of this, stop the
ve hicle whilst paying attention toroad
and traf fic conditions and ope rate the
equipment with theve hicle stationar y. *
NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. *
NO
TEPlug-in hybrid #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. Yo
u must obse rveth e legal requirements forthe
country in whi chyou are cur rently driving when
operating the on-board computer.
The on-board computer sho wsonly display mes‐
sages and warnings from specific sy stems on th
e multifunction displa y.Yo u must therefore
ensure that your vehicle is alw aysre liable.
If th e operating saf ety of your vehicle is
impaired, park theve hicle immediately and in
accordance with the traf fic conditions. Contact a
qu alified specialist workshop. 248
Instrument display and on-board computer

Ve
hicles with Traf fic Sign Assis t:de tected
instructions and traf fic signs (/ page 210). Head-up display
Fu
nction of the head-up display *
NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. The head-up displ
ayprojects thefo llowing into
th e driver's field of vision:
R Information from the navigation sy stem
R Information from the driver assis tance sys‐
te ms
R Some warning messages Display content 1
Navigation instructions
2 Curr ent speed
3 Detected instructions and traf fic signs
4 Set speed in the driver assis tance sy stem
(e.g. cruise control)
When youre cei vea call, the6 Incoming call
message will appear on the head-up displa y.
In audio mode, thest ation name or track will be
shown temp orarily when the audio source is
being actively operated. Sy
stem limits
The visibility is influenced bythefo llowing condi‐
tions:
R Seat position
R Image position setting
R Light conditions
R Wetro ad sur faces
R Objects on the display co ver
R Polarisation in sunglasses
% Inextreme sunlight, sections of the display
may appear washed out. You can co rrect this
by switching the head-up display off and on
again. 252
Instrument display and on-board computer

Overview and operation
Note
s onthe MBUX multimedia sy stem &
WARNING Risk of dist raction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tion equipment integ rated in theve hicle
when driving, you will be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle. #
Only operate this equipment when the
traf fic situation permits. #
Ifyo u cannot be sure of this, stop the
ve hicle whilst paying attention toroad
and traf fic conditions and ope rate the
equipment with theve hicle stationar y. Yo
u must obse rveth e legal requirements forthe
country in whi chyou are cur rently driving when
operating the multimedia sy stem. Overview of
the MBUX multimedia sy stem 1
Touch Control and cont rol panel forthe
MBUX multimedia sy stem
2 Media display with touch functionality
3 Control panel forte lephone, navigation,
ra dio/media, vehicle functions/sy stem set‐
tings and favo urites/ themes
4 Touchpad 5
Controller
Turn: adjusts thevo lume
Press: switches sound on or off
6 Ü Switches the MBUX multimedia sy stem
or media display on or off
Fu rther operating options:
R Conducting a voice dialogue with LINGUA‐
TRONIC.
R Operating functions con tact-free with the
MBUX Interior Assis tant.
% You can find fur ther information about oper‐
ation as well as about applications and serv‐
ices in the Digital Owner's Manual.
Anti-theft pr otection
This device is equipped with tech nical pr ovisions
to protect it against theft. More de tailed informa‐
tion about anti-theft pr otection can be obtained
at a qualified specialist workshop. 254
MBUX multimedia sy stem