Make sure
that the ball on the ball neck is clean.
Check that it is either greased or dry (g rease-
free), depending on the inst ructions forth e trailer.
F
F olding t
olding t he ball nec
he ball nec k in
k in #
Pull switch 2until the ball neck unloc ks.
The ball neck will fold up under there ar
bumper.
Indicator lamp 1will 0ash. #
Push the ball neck in the direction of the
ar ro w until it engages audibly behind the
bumper.
Indicator lamp 1will go out and the message
on the inst rument display will disappear.
Obser vethe information about the displa yson the
inst rument clus ter:
R Indicator and warning lamps (/ page 427)
R Display message s (/page 371) Coupling up/uncoupling a tr Coupling up/uncoupling a tr
ailer
ailer &
W
WARNING
ARNING Risk of injury due toach ange
in vehicle le vel
V
V ehicles wit
ehicles wit h lev
h lev el contr
el contr ol:
ol:theve hicle le vel
may be changed unintentionall y,e.g. by ot her
people. If you couple or uncouple the trailer
during this time, you may become trapped. In
addition, other people could become trapped
if parts of their body are between theve hicle
body and the tyres or underneath theve hicle.
Obser vethefo llowing when coupling or
uncoupling: #
Do not open or close any doors or the
boot lid. #
Do not initiate the le vel control and do
not operate theDY NAMIC SELECT
switch. #
Do not lo ckor unlock theve hicle. R
R
eq
eq uir
uir ements:
ements:
R The ball neck is extended and engaged in a
securely loc ked position. Tr
ailers with a 7-pin plug can be connected tothe
ve 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 met:
R The trailer is connected cor rectl y.
R The trailer lighting system is in working order.
The functions of thefo llowing systems will be
a.ec tedbya 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 Assist
R Drive Away Assist
R Cross Tra1c Ale rt
R Reversing camera
R 360° camera Driving and parking
243
243
R
the electric parking brake cannot be released
or applied
R v
vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: the
automatic transmission cann otbe shiTed to
position iorj
% V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: ifthe
automatic transmission cann otbe shiTed to
position ior if the display does not show
anything, transport theve hicle (/ page 331).
A towing vehicle with liTing equipment is
re qu ired forve hicle transpor tation.
* NO
NO TE
TEDamage due to towing away at
ex cessively high speeds or over long dis-
ta nces The driv
etra in could be damaged when towing
at excessively high speeds or over long distan-
ces. #
Atowing speed of 50 km/h must not be
ex ceeded. #
Atowing dis tance of 50 km must not be
ex ceeded. &
W
WARNING
ARNING Risk of accident when towing a
ve hicle which is too heavy
If th eve hicle tobe tow- star ted or towe daway
is heavier than the permissible gross mass of
yo ur vehicle, thefo llowing situations can
occur:
R theto wing eye may become de tach ed.
R theve hicle/trailer combination may
swer veorove rturn. #
Before tow- starting or towing away,
ch eck if theve hicle tobe tow- star ted or
to we dawa yex ceeds the permissible
gr oss mass. If a
vehicle must be tow- star ted or towe dawa y,its
permissible gross mass must not exceed the per-
missible gross mass of theto wing vehicle. #
Information on the permissible gross mass of
th eve hicle can be found on theve hicle identi-
/cation plate (/ page 357). #
V
V ehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: do not
open the driver's door or front passenger door;
the automatic transmission otherwise
automatically shiTs toposition j. #
Fitth eto wing eye (/ page 333). #
Fasten theto wing device.
* N
NOOTE
TE Damage due toincor rect connec-
tion of theto w bar #
Only connect theto w rope or tow bar to
th eto wing eyes. #
Deactivate the automatic locking mechanism
(/ page 79). #
Do not activate the HOLD function. #
Deactivate tow- awa y protection (/ page 95). #
Deactivate Active Brake Assist (/ page 211). #
V
Vehicles wit
ehicles wit h aut
h automatic tr
omatic tr ansmission:
ansmission: shiTthe
automatic transmission toposition i. #
Release the electric parking brake. 330
330
Breakdown assistance
A
A
ctiv
ctiv e Speed Limit Assist
e Speed Limit Assist
Display................................................... 201
Fu nction................................................ 201
A
A ctiv
ctiv eSt
e St eer
eer ing Assist
ing Assist
Ac tivating/deactivating.......................... 206
Ac tive Emer gency Stop Assist................ 206
Fu nction................................................ 204
System limits......................................... 204
A
A ctiv
ctiv e
eTr
Tra1c
a1c Jam Assist
Jam Assist
Ac tivating/deactivating.......................... 204
Fu nction................................................ 203
A
A dap
dap tiv
tive br
e br ak
ake lights
e lights .................................... 191
A
A dap
dap tiv
tive cr
e cr uise contr
uise contr ol
ol
see Active Distance Assist DISTRONIC
A
A dap
dap tiv
tive Highbeam Assist
e Highbeam Assist
Ac tivating/deactivating.......................... 132
Fu nction................................................ 131
A
A dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus t Plus
Fu nction................................................ 132
Switching on/o..................................... 133
A
A dBlue
dBlue ®
®
Ad ditives................................................ 363
Capacity................................................ 364 No
tes..................................................... 175
Purit y.................................................... .363
To pping up............................................ .176
A
A dditional door lock
dditional door lock ....................................... 76
A
A dditiv
dditiv es
es
Ad Blue ®
................................................ .363
Engine oil............................................... 364
Fu el....................................................... 361
A
A dditiv
dditiv es (A
es (AdBlue
dBlue ®
®
)
)
see AdBlue ®
A
A dditiv
dditiv es (engine oil)
es (engine oil)
see Additives
A
A dditiv
dditiv es (fuel)
es (fuel)
see Fuel
ADS PL
ADS PL US dam
US dam ping syst
ping syst em
em
see AIR BODY CONTROL
ATer
ATer -sales
-sales ser
service
vice
see AS SYST PLUS
AIR BOD
AIR BOD Y C
Y CONTR
ONTR OL
OL
Setting................................................... 220
Suspension............................................ 219
Air conditioning menu
Air conditioning menu Calling up.............................................. 144 Air dis
Air distr
tribution
ibution
Setting................................................... 143
Setting (MBUX multimedia system)......... 145
Air fr Air fr eshener syst
eshener syst em
em
see Frag rance system
Air inlet
Air inlet
see Air-water duct
Air pr
Air pr essure
essure
see Tyre pressure
Air suspension
Air suspension
see AIR BODY CONTROL
Air v
Air v ents
ents
Ad justing (front)..................................... 152
Ad justing (rear)...................................... 152
Ad justing the AIRSCARF vents................ 153
Air v
Air v ents
ents
see Air vents
Air
Air -conditioning syst
-conditioning syst em
em
see Climate cont rol
Air
Air -r
-recir
ecir culation mode
culation mode.................................. 146
Air
Air -w
-wat
ater duct
er duct
Ke eping free.......................................... 309 444
444
Index
Airbag
Airbag
Activation................................................ 40
Au tomatic co-driver airbag shuto............ .49
Fr ont airbag (driver, front passenger)........ 46
Installation locations................................ 46
Knee airbag............................................. 46
Overview.................................................. 46
PA SSENGER AIR BAG indicator la mps...... 50
Pr otection................................................ 47
Re duced pr otection.................................. 48
Side airbag.............................................. 46
Wi ndow airbag......................................... 46
Air0 ow
Air0ow
Setting................................................... 143
AIRSC AIRSC ARF
ARF
Ad justing the outlets.............................. 153
Switching on/o.....................................1 08
Alar
Alar m syst
m syst em
em
see ATA (anti-theT alarm system)
All-wheel dr
All-wheel dr ive
ive
see 4M ATIC
Ambient lighting
Ambient lighting Setting (MBUX multimedia system)........ .135 Andr
Andr oid A
oid A uto
uto
see Smartphone integ ration
Animals
Animals Pets in theve hicle.................................... 72
Anti-loc
Anti-loc k br
k braking syst
aking syst em
em
see ABS (Anti-lock Braking System)
Anti-skid c
Anti-skid c hains
hains
see Sn owchains
Anti-t
Anti-theT heTprot
pr otection
ection
Ad ditional door loc k................................. 76
Immobiliser.............................................. 94
Anti-t
Anti-theT heTprot
pr otection
ection
see ATA (anti-theT alarm system)
Anticipat
Anticipat or
ory occupant pr ot
y occupant pr otection
ection
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay
Apple CarPlay ®
®
see Smartphone integ ration
Assist
Assist ance syst
ance syst ems
ems
see Driving saf ety sy stem ASS
YS
ASS YST PL
T PL US
US
Battery disconnection period s................ 303
Displaying the service due dat e.............. 302
Fu nction/no tes...................................... 302
Re gular maintenance work..................... 302
Special service requ irements................. 302
AT
ATA A(anti-t
(anti-theT heTalar
alarm syst
m syst em)
em)
Deactivating the alarm............................. 95
Fu nction.................................................. 94
Interior pr otection function....................... 95
Priming/deactivating interior pr otection... 96
Priming/deactivating tow- awa y pro-
te ction..................................................... 95
To w- awa y protection function................... 95
A A TTENTION ASSIST TTENTION ASSIST
Function................................................ 191
Setting.................................................. .193
System limitations.................................. 191
A
A tt
tt ention assist
ention assist ant
ant
see ATTENTION ASSIST
A
A ut
ut hor
hor ised w
ised w ork
orkshop
shop
see Quali/ed specialist workshop
A
A ut
ut omatic co-dr
omatic co-dr iv
iver airbag
er airbag shut
shuto.
o.
Fu nction of co-driver airbag shuto........... 49 Ind
ex
445
445
Pa
rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 409
Place theke y in the mar ked space
See Owner's Manual.............................. 376
PRE-SAFE inoperative See Owner's
Manual.................................................. 374
Re duce speed........................................ 420
Re versing not poss. Consult workshop ... 391
Risk of vehicle rolling Driver door
open and transmission not in P .............. 390
Ru n Flat Indica tor inoperative................. 421
Speed limit (winter tyres) XXX km/h .......400
St op vehicle Lea veengine running
Wa itTransmission cooling ......................391
To shiT out of P or N,depress brake
and start engine.................................... .389
To switch o. the engine, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 386 Tr
a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 402
Tr a1c Sign Assist inoperative................. 402
Tr ansmission Malfunction Stop............... 391
Ty re press. monitor cur rently una vaila-
ble......................................................... 417
Ty re press. monitor inoperative .............. 417
Ty re press. monitor inoperative No
wheel sensors ........................................ 418
Ty re pressure Check tyres ...................... 420
Ty re(s) ove rheated .................................. 420
Wi per malfunctioning .............................386
Wi thout changing gear, consult work-
shop ...................................................... 390
Dist
Dist ance contr ance contr ol
ol
see Active Distance Assist DISTRONIC
DIS DIS TR TRONIC
ONIC
see Active Distance Assist DISTRONIC
Door
Door Additional door loc k................................. 76
Locking/unlocking (emer gency key)........ .80 Opening (from inside)..............................
.77
Po we r closing function............................. 79
Unlocking (from inside)............................ 77
Door contr
Door contr ol panel
ol panel......................................... 14
Dra
Dra wbar
wbar
see Tow- bar system
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st........................................ .237
Dr
Dr iv
ive position
e position
Engaging................................................ 170
Dr
Dr iv
ive pr
e pr ogr
ogr am display
am display .................................. 167
Dr
Dr iv
ive pr
e pr ogr
ograms
ams
see DYNAMIC SELECT
Dr
Dr iv
iver's seat
er's seat
see Seat
Dr
Dr iving abr
iving abr oad
oad
Light adjustment (l owbeam).................. 126
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System)............. .187
Ac tive Brake Assist................................. 207
Ad aptive brake lights.............................. 191
BAS (Brake Assist System).................... .187
Cameras................................................1 85454
454
Index
Emer
gency braking................................ 183
Re leasing automaticall y.......................... 182
Electr
Electr ical fuses
ical fuses
see Fuses
Electr
Electr omagne
omagne tic com
tic compatibility
patibility
Declaration of conformity........................ .24
Electr
Electr onicSt
onic Stability Pr
ability Pr ogr
ogram
am
see ESP ®
(Elect ronic Stability Prog ram)
Emerg
Emerg ency
ency
Fire extinguisher.................................... 317
Fi rs t-aid kit (soT sided).......................... 317
Overview of the help functions.................16
Re moving thewa rning triangle............... 316
Saf etyve st............................................. 316
Setting up thewa rning triangle............... 317
Emerg
Emerg ency br
ency br aking
aking...................................... 183
Emerg
Emerg ency br
ency br aking
aking
see BAS (Brake Assist System)
Emerg
Emerg ency call
ency call
see Me rcedes-Benz emer gency call system
Eme rg
Emerg encykey
ency key
Inserting/ removing.................................. 75
Locking/unlocking the doors................... 80 Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .156
Emerg
Emerg ency spar
ency spar e wheel
e wheel
No tes..................................................... 352
Engine
Engine Engine number....................................... 357
St arting (emer gency ope ration mode ).... 156
St arting (Remo teOnline)........................ 157
Engine data
Engine data
Displaying.............................................. 167
Engine electr
Engine electr onics
onics
No tes..................................................... 354
Engine number
Engine number ............................................. 357
Engine oil
Engine oil Additives................................................ 364
Capacity................................................ 365
Checking the oil le vel using the on-
board computer..................................... 305
MB-F reigabe or MB-Appr oval.................. 365
Quality................................................... 365
To pping up............................................ .306
ERA ERA -GL
-GLON
ONASS tASS t es
est mode t mode
St arting/ending.................................... .293 Err
Err
or message
or message
see Display message
ESC (Electr
ESC (Electr onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 188
Tr ailer stabilisatio n................................ .189
ESP
ESP ®
®
(Electr
(Electr onicSt
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 189
Fu nction/no tes...................................... 187
EU type appr ov
EU type appr oval number
al number ............................. 357
Ext
Ext er
erior lighting
ior lighting
Care..................................................... .312
Ext
Ext er
erior lighting
ior lighting
see Lights F
F
F
F atigue det
atigue det ection
ection
see ATTENTION ASSIST
F
F ir
ir e e
e e xtinguisher
xtinguisher.......................................... 317
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................ .317 456
456
Index
KEYLESS-G
O............................................ 78
Switching the automatic locking fea-
ture on/o.............................................. .79
Unlo cking/opening the doors from
th e inside................................................. 77
Lo
Lo w beam
w beam
Ac tivating/deactivating.......................... 126
Light adjustment (driving abroad)........... 126
Setting................................................... 134
L L ubr ubr icant additiv
icant additiv es
es
see Additives
L
L ugg
ugg age
age
Lu ggage net........................................... 120
Securing................................................ 114
L
L umbar support
umbar support
see Lumbar support (4-w ay)
L
L umbar suppor
umbar suppor t (4-wa
t (4-way)
y)...............................1 01M
M
MA MA GIC VISION C GIC VISION C ONTR
ONTROL
OL
Wi ndsc reen wiper s................................. 138
Maint
Maint enance
enance
see ASS YST PLUS Malfunction
Malfunction
Restraint system..................................... .40
Manoeuvr
Manoeuvr ing aid
ing aid
see Manoeuvring assistance
Manoeuvr
Manoeuvr ing Assist
ing Assist
see Trailer Manoeuv ring Assist
Manoeuvr
Manoeuvr ing assist
ing assistance
ance
Cross Tra1c Ale rt.................................. 237
Drive Away Assist................................... 237
Manoeuvring brake function................... 238
Manoeuvr
Manoeuvr ing assist
ing assistant
ant
Ac tivating/deactivating.......................... 239
Manoeuvr
Manoeuvr ing br
ing brak
ake function
e function ......................... 238
Map
Map
Displaying online map contents.............. 275
Displaying weather informatio n.............. 275
Moving................................................... 274
Selecting the map orientation................ 274
Setting the map scale............................ 274
Switching mo torw ay information
on/o.................................................... 274
Massag
Massag e pr e progr
ogrammes
ammes
Overview................................................ 105
Re setting the settings............................ 105 Selecting
the front seats........................1 05
Maximum design speed Maximum design speed see Limiter
Maximum per
Maximum per missiblegr
missible gross v
oss v ehicle w
ehicle w eight
eight... 357
MBUX Int
MBUX Int er
erior Assist
ior Assist ant
ant
Overview................................................ 261
Switching there ading light on/o.
(contactless).......................................... 263
Switching the sear chlight on/o.
(contactless). ......................................... 263
MBUX multimedia syst MBUX multimedia syst em
em
Ac tivating/deactivating standby mode... 184
Con/guring drive prog ram I................... .167
Home screen......................................... 257
No tes..................................................... 255
Operating theto uchscreen..................... 258
Overview................................................ 255
Re storing (fac tory settings).................... 269
Setting collision de tection (par ked
ve hicle).................................................. 183
Setting route-based speed adap tation.... 203
Setting the air distribution...................... 145
Setting the frag rance system.................. 146 Ind
ex
461 461
T
T
yr
yr e pr
e pr essur
essur e monit
e monit or
oring sy st
ing syst em
em
Checking the tyre pressures................... 340
Checking the tyre temp eratur e............... 340
Fu nction................................................ 340
Re starting.............................................. 341
T
T yr
yr e pr
e pr essur
essur e t
e table
able ...................................... .339
T T yr yr e t
e t em
em per
per ature
ature
Checking (tyre pressure monitoring
system)..................................................3 40
Ty re pressure monitoring system
(function)............................................... 340
T T yr
yr e tr
e tr ead
ead.................................................... 337
T
T yr
yr e-c
e-c hang
hang e t
e tool kit
ool kit
Overview................................................ 346
T
T yr
yr es
es
Checking............................................... 337
Checking the tyre pressure (tyre pres-
sure monitoring system)......................... 340
Fi tting.................................................... 350
Flat tyre................................................. 318
Inter changing......................................... 345
MOExtended tyres................................. 318
Noise..................................................... 337
No tes on /tting...................................... 342 Re
moving............................................... 350
Re placing...................................... .342, 347
Re placing the wheel trim........................ 347
Re starting the tyre pressure loss
wa rning system...................................... 342
Re starting the tyre pressure monitor-
ing system............................................. 341
Selection...............................................3 42
Snow chains.......................................... 337
St oring................................................... 346
TIREFIT kit.............................................. 320
Ty re pressure (No tes)............................. 338
Ty re pressure loss warning system
(function)............................................... 341
Ty re pressure monitoring system
(function)............................................... 340
Ty re pressure table................................ .339
Unusual handling characteristics............ 337 U U
U
Unloc nloc king
king
see Locking/unlocking
U
Updat pdat es
es
Impor tant system updates...................... 266 USB port
USB port
Front st owage compartmen t.................. 116
Re ar....................................................... 123 V
V
V
V ehicle
ehicle
Activating/deactivating standby mode... 184
Ad ditional door loc k................................. 76
Collision de tection (par kedve hicle)........ 183
Cor rect use............................................. .33
Data acquisition....................................... 35
Data storag e............................................ 35
Diagnostics connection............................ 31
Equipment............................................... 22
Implied warrant y...................................... 34
Locking (automatically)............................ 79
Locking/unlocking (emer gency key)........ .80
Locking/unlocking (from inside)............... 77
Locking/unlocking (KEYLESS-GO)............ 78
Lo we ring................................................ 351
Medical aids........................................... .34
Pa rking up............................................. 184
QR code rescue car d............................... 35
Quali/ed specialist workshop.................. .33
Ra ising................................................... 348 472 472
Index