2021 MERCEDES-BENZ GLC COUPE trailer

permits and
that it is safe totake eva‐
sive action. Drive
AwayAssi stis only an aid. It is not a sub‐
st itute foryo ur attention tothe sur roundings.
The responsibility for safe manoeuvring and
parking remains with you. Make sure that no
persons, animals or objects etc. are in the
manoeuvring range.
A risk of a collision may arise in thefo llowing sit‐
uations, forex ample:
R Ifth e accelera tor and brake pedals are inter‐
ch anged.
R If an incor rect transmission position is
engaged.
Drive AwayAssi stis active under thefo llowing
conditions:
R IfPa rking Assist PARKTRONIC is activated.
R Ifyo u shift the transmission position tok or
h when theve hicle is stationar y.
R Ifth e de tected obs tacle is less than appr ox.
1. 0 m away. R
Ifth e manoeuvring assis tance function is
acti vated in the multimedia sy stem.
Sy stem limits
The per form ance of Drive AwayAssi stis limited
on inclines.
When driving with a trailer, Drive AwayAssi stis
not available.
% Also obse rveth e sy stem limits of Parking
Assist PARKTRONIC (/ page 228).
Fu nction of Cross Traf fic Alert
% Cross Traf fic Alert is only available forve hi‐
cles with Blind Spot Assist or Active Blind
Spot Assi st.
Cross Traf fic Alert can warndrivers of any cross‐
ing tra ffic when reve rsing and manoeuvring out
of a parking space. The radar sensors in the
bumper also monitor the area adjacent tothe
ve hicle. If a critical situation is de tected, the
L symbol appears inthe media display and
th eve hicle can be braked automatically.
If th era dar sensors are obstructed byvehicles
or other objects, de tection is not possible. Cross
Traf fic Alert is acti veunder thefo llowing
conditions:
R ifth eve hicle is reve rsing at a walking pace.
R manoeuvring assis tance is acti vated
( / page 237).
% Also obser vethe instructions on Blind Spot
Assist and Active Blind Spot Assi st
( / page 213).
Sy stem limits
Cross Traf fic Alert is not available on inclines.
Cross Traf fic Alert is not available when driving
with a trailer.
Ac tivating/deactivating manoeuv ring assis‐
tant
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Camera & parking #
Activate/deactivate Manoeuvring assistance.
% Manoeuv ring assi stant must be active forthe
function of Drive AwayAssi st (/ page 236)
and Cross Traf fic Alert (/ page 237). Driving and parking
237

Tr
ailer Manoeuvring Assist Fu
nction of Trailer Manoeuvring Assist &
WARNING Risk of accident due to
unsuitable trailers
Tr ailers with a steered axle or a fift h wheel
cannot be used with Trailer Manoeuv ring
Assi st.
Due tothis, the trailer cann otbe man‐
oeuvred in the desired direction and you can
cause a collision or the trailer can overturn.
On lyuse Trailer Manoeuv ring Assi stwith
trailers with fixe d dr awbars and axles. *
NO
TEDama getotraile rswith a stabilisa‐
tion device against swerving In
the case of trailers with a stabilisation
device against swerving, the trailer or trailer
to w hit chcould be damaged. #
If a trailer coupling with Trailer Manoeu‐
vring Assist is used, on lyuse trailers without a
stabilisation device against
swerving. *
NO
TEDama gedue to ov erhanging loads
in front or draw bar installations The
vehicle and the trailer may be damaged
during manoeuvring due toove rhanging
loads at the front of the trailer or dr awbar
ins tallations. #
Pay attention to overhanging loads or
dr aw bar ins tallations while manoeu‐
vring. Tr
ailer Manoeuv ring Assi stassists you when
re ve rsing with a trailer. By means of a turning
angle sensor in the trailer coupling, Trailer
Manoeuv ring Assi stmonitors the articulation
angle between theve hicle and trailer and
adjusts it toa specified value.
Tr ailer Manoeuv ring Assi stis only an aid. It is not
a substitute foryo ur attention tothe sur round‐
ings. The responsibility for safe manoeuvring and
parking remains with you. Make sure that there
are no persons, animals or objects in themanoeuvring area while manoeuvring and park‐
ing in/exiting parking spaces.
Yo
u can either en terth e articulation angle value
directly via the multimedia sy stem or use a
st ra ightening manoeuvre. When car rying out a
st ra ightening manoeuvre, the sy stem calculates
th e articulation angle automatically and stra ight‐
ens theve hicle/trailer combination tothe trail‐
er's cur rent di rection.
Tr ailer Manoeuv ring Assi stmust be taught-in
before it can adjust the articulation angle
(/ page 239).
Obser vethe no tes on towing a trailer
(/ page 239).
Sy stem limits
Obser vethe sy stem limits of thefo llowing func‐
tions:
R Active Parking Assist (/ page 232)
R 360° Camera (/ page 224)
R Reversing camera (/ page 221)238
Driving and parking

The sy
stem may be impaired or may not function
in thefo llowing situations:
R The gradient is more than appr oximately
15 %.
Using Trailer Manoeuvring Assist
Requ irements:
R The vehicle has been star ted and is station‐
ar y.
R A trailer has been de tected.
R The gradient is less than appr oximately 15%.
R The elect ric pa rking brake is not applied. Using
Trailer Manoeuvring Assist #
Engage reve rsege ar k. #
Press button 1.
The camera image is shown in the media dis‐
pla y. #
Toadjust the articulation angle: select ¸.
Swipe left or right on the media display or
to uchpad tochange the articulation angle. or #
Toactivate thest ra ightening manoeuvre:
select º.
The sy stem calculates the articulation angle
in such a wayth at the direction of the trailer
at the time of activation is maintained. There
is a short counter steering mo vement of the
trailer while theve hicle is reve rsed, which
th en guides it back tothe desired line. In this
wa y,theve hicle is aligned stra ight with the
trailer and, at the same time, the direction of
th e trailer is maintained. #
Accelerate and brake as requ ired.
% Pay attention toyour sur roundings and be
re ady tobrake at all times. Tr
ailer hitch Note
s on trailer operation *
NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. Driving and park
ing239

*
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

*
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. *
NO
TEDama getotheve hicle due to
incor rect use of the trailer hitch When
theve hicle is reco veredby being
pulled out with the trailer hitch, this can
damage theve hicle. #
Use the trailer hitch only for pulling a
trailer or attaching appro ved car rier
sy stems (e.g. a bicycle rack ). 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. Extending
the ball neck fully electrically #
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 extend fully electrically. #
Wait until the ball neck has loc ked in place.
When indicator lamp 2is continuously lit,
th e 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. Driving and pa
rking 241

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