Page 272 of 525

Ext
Ext
ending and re
ending and retr
tracting t
acting t he ball nec
he ball nec k full
k fully electr
y electr i-
i-
call
call y (multimedia syst
y (multimedia syst em)
em) &
W
WARNING
ARNING Risk of accident due tothe ball
neck not being engaged
If th e ball neck is not engaged, the trailer may
come loose. #
Always engage the ball neck as descri-
bed. *
N
NO OTE
TE Damage tothe all-electric trailer
hitch due toadditional pressure The all-elect
ric trailer hitch could be mechani-
cally damaged byapplying additional pressure
when the ball neck is being extended or
re tracted. #
Do not make the ball neck extend/
re tract faster byapplying additional pres-
sure. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is secured against rolling away.
R The swivel range is clear. R
The trailer cables or ada pter plugs ha vebeen
re mo ved.
Multimedia system: 4 © 5
Settings 5
Quick access
Ext
Ext ending t
ending t he ball nec
he ball nec k full
k full y electr
y electr ically
ically #
Select Ü.
The Trailer coupling extending… display mes-
sage appears on the multifunction displa y.
The ball neck will extend fully electricall y. #
Wait until the ball neck has loc ked in place.
If th e ball neck is not securely loc ked in place, the
Check trailer hitch lock message will appear on
th e multifunction displa y.
R
R e
etr
tr acting t
acting t he ball nec
he ball nec k full
k fully electr
y electr ically
ically #
Select Ü.
The Trailer coupling extending… display mes-
sage appears on the multifunction displa y.
The ball neck will retract fully electricall y. #
Wait until the ball neck has loc ked in place. If
th e ball neck is not securely loc ked in place, the
Check trailer hitch lock message will appear on
th e multifunction displa y. Coupling up/uncoupling a tr
Coupling up/uncoupling a tr
ailer
ailer &
W
WARNING
ARNING Risk of injury from theve hicle
le ve l being changed
V
V ehicles wit
ehicles wit h lev
h level contr
el contr ol syst
ol system:
em:theve hicle
le ve l may be changed unintentionall y,e.g. by
ot her persons. You may become trapped if you
couple up or uncouple a trailer while theve hi-
cle le vel is changing. In addition, other people
could become trapped if their limbs are
between theve hicle body and the 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 NAMIC
SELECT switch. Driving and pa
rking
269 269
Page 430 of 525
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
? *T
he bonn etis open. &
W
WARNING
ARNING Risk of accident due todriving with the bonnet unloc ked
The bonnet may open and blo ckyour vie w. #
Neverre lease the bonnet when driving. #
Before every trip, ensure that the engine bonnet is loc ked. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Close the bonnet.
A *T
hetailgate is open. &
D
DAN
AN GER
GER Risk of poisoning from exhaust gases
Combustion engines emit poisonous exhaust gases, such as carbon monoxide. Exhaust gases can enter theve hi-
cle interior if theta ilgate is open when the engine is running, especially if theve hicle is in motion. #
Always switch o. the engine before opening theta ilgate. #
Never drive with theta ilgate open. #
Close theta ilgate. Display message
s andwarning/indicator lamps
427
427
Page 510 of 525

Tr
ansfer red data..................................... 310
Mer
Mer cedes me connect
cedes me connect
Ac cident/B reakdown Managemen t........312
Information............................................3 11
Tr ansfer red data..................................... 313
Mer
Mer cedes-
cedes- AMG v
AMG vehicles
ehicles
No tes..................................................... 162
Mer
Mercedes-Benz emerg cedes-Benz emerg ency call sy st
enc y call sy stem
em
Au tomatic emer gency call...................... 317
Data trans fer......................................... 319
ERA GLONASS test mode....................... 319
In fo rm ation........................................... .316
Manual emer gency call.......................... 318
Overview................................................ 317
Self-diagnosis........................................ 319
Mer
Mer cedes-Benz GenuineP
cedes-Benz GenuineP ar
ar ts
ts........................ .23
Mer
Mer cedes-Benz ser
cedes-Benz ser vice centre
vice centre....................... 38
Messag
Messag e memory
e memory ........................................ .402
Mirr
Mirr ors
ors
Mir rorfo lding function............................ 148
Outside mir rors...................................... 146
Re ar-view mir ror..................................... 147 Mobile phone
Mobile phone
Frequencies........................................... 383
Maximum transmission output............... 383
No tes on wireless chargin g.................... 130
Model type
Model type................................................... 385
MOExt MOExt ended tyr ended tyr es
es........................................ 345
Mot
Mot orwa
or wa y mode
y mode .......................................... .138 N
N
N
N a
avig
vig ation
ation
Ac tivating............................................... 296
Announcements..................................... 297
Destination entry................................... 298
Displaying/hiding the menu................... 296
Live Tra1c Information........................... 301
Map....................................................... 300
No tes..................................................... 296
N Neutr eutr al
al
En gaging................................................ 186 O
O
Occupant safe
Occupant safe ty
ty............................................ .47On-boar
On-boar
d com
d comput
puter
er, Computer, Operating system
Displaying the service due dat e.............. 328
Instrument displa y................................. 279
Menu overview.......................................2 77
Operating.............................................. 277
On-boar
On-boar d diagnos
d diagnostics int tics interf
erface
ace , Diagnos-
tics connection.............................................. 37
On-boar On-boar d electr d electronics
onics
Engine electronics................................. 382
Tw o-w ayradios...................................... 382
on-demand f on-demand f eature
eature........................................ .24
Online ser
Online ser vices
vices.............................................. 43
Open Sour
Open Sour ce
ceSoTw
SoTw are
are,Free soTware............. 44
Opening angle
Opening angle Limiting (tailgate)..................................... 92
Opening t
Opening t he t
he tailg
ailgat
ate using y
e using y our f
our foot
oot
HANDS-FREE ACCESS............................. 91
Oper
Oper ating
ating 0uids
0uids
Ad Blue ®
................................................ .391
Ad ditives................................................ 389
Brake 0uid............................................. 394
Coolant.................................................. 394
Diesel.................................................... 390 Index
507 507