
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. 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 270
Driving and pa rking

*
NO
TEDama gedue to to wing away at
exc essively high speeds or over long dis‐
ta nces The driv
etra in could be damaged when tow‐
ing at excessively high speeds or over long
dis tances. #
Atowing speed of 50 km/h must not
be exc eeded. #
Atowing dis tance of 50 km must not be
exc eeded. &
WARNING Risk of accident when towing
a ve hicle which is too heavy
If th eve hicle being tow- star ted or towed
aw ay is heavier than the permissible gross
mass, thefo llowing situations can occur:
R theto wing eye may become de tach ed.
R the car/t railer combination may swer ve
or eve nove rturn. #
If ano ther vehicle is tow- star ted or
to we daw ay, its weight must not exceed th
e permissible gross mass of your own
ve hicle. #
Information on the permissible gross mass of
th eve hicle can be found on theve hicle iden‐
tification plate (/ page 391). #
Do not open the driver's door or front
passenger door as the automatic transmis‐
sion may otherwise shift toposition 005Dauto‐
maticall y. #
Fittheto wing eye (/ page 366). #
Fasten theto w bar.
* NO
TEDama gedue toincor rect connec‐
tion of theto w bar #
Onlyconnect theto w rope or tow bar to
th eto wing eyes. %
You can also attach theto w bar tothe trailer
hitch. #
Deactivate the automatic locking mechanism
(/ page 81). #
Do not activate the HOLD function. #
Deactivate tow- aw ay protection
(/ page 97). #
Deactivate Active Brake Assi st
( / page 227). #
Shift the automatic transmission toposition
005C(/ page182). #
Release the electric parking brake. &
WARNING Risk of accident due tolimi‐
te d saf ety-re lated functions during the
to wing process
Saf ety-re lated functions are limited or no lon‐
ge rav ailable in thefo llowing situations:
R the ignition is switched off.
R the brake sy stem or po werst eering sys‐
te m is malfunctioning.
R the energy supply or the on-board electri‐
cal sy stem is malfunctioning.
When your vehicle is then towe daw ay, signif‐
icantly more ef fort may be requ ired tosteer
and brake than is norm allyrequ ired. #
Use a tow bar. 364
Breakdown assis tance

Airbag
Activation................................................ 40
Fr ont airbag (driver, front passenger)...... 45
Ins tallation locations.............................. .45
Knee airbag............................................ .45
Overview................................................. 45
PA SSENGER AIR BAG indicator lamp....... 50
Pr otection................................................ 46
Re duced pr otection.................................47
Side airba g.............................................. 45
Wi ndow airba g......................................... 45
Ai rflow
Setting................................................... 15 0
AIRM ATIC
Setting.................................................. .239
Suspension............................................ 237
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Ambient lighting Setting (MBUX multimedia sy stem)........ 141
Android Auto
see Smartphone integration Animals
Pets in theve hicle................................... 73
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door loc k................................ 78
Immobiliser............................................. 95
Anti-theft pr otection
see ATA (anti-theft alarm sy stem)
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay ®
see Smartphone integration
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS
Battery disconnection pe riods.............. 334
Displaying the service due dat e............ 333 Fu
nction/no tes..................................... 333
Re gular maintenance work.................... 333
Special service requ irements................ 333
ATA (anti-theft ala rmsystem)
Deactivating the alarm............................ 96
Fu nction.................................................. 96
Fu nction of interior pr otection................. 97
Priming/deactivating interior pr otec‐
tion..........................................................98
Priming/deactivating tow- aw ay pro‐
te ction..................................................... 97
To w- aw ay protection function.................. 96
AT TENTION ASSI ST
Fu nction................................................ 206
Setting................................................... 207
Sy stem limitations................................. 206
At tention assistant
see ATTENTION ASSIST
Au thorised workshop
see Qualified specialist workshop
Au tomatic car wash mode
Ac tivating.............................................. 342
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC 484
Index

Senso
rs................................................. 345
St eering wheel....................................... 347
Ta ilpipes................................................ 345
Tr ailer hit ch........................................... 345
Wa shing byhand................................... 343
Wheels/rims.........................................3 45
Wi ndo ws................................................ 345
Wi per blades.........................................3 45
Carpet (Care).............................................. 347
Changing gears
Manually. ............................................... 183
Changing hub caps .................................... 379
Cha rging
Bat tery (vehicle).....................................3 61
Mobile phone (wireless).........................1 30
USB port................................................ 12 9
Child saf ety lock
Re ar door................................................ .72
Re ar side wind ows................................... 73
Child seat App rova l categories................................ .60
At tach ing (no tes).....................................59
Basic instructions.................................... 54
Fr ont passenger seat (no tes)...................70 Fr
ont passenger seat (without auto‐
matic airbag shutoff)...............................69
ISOFIX/i-Size (fitting).............................. 63
No tes on risks and dangers..................... 55
Re commended child restra int sy stems.... 58
Seats suitable for belt-secu redch ild
re stra int sy stems..................................... 66
Seats suitable for i‑Size child
re stra int sy stems..................................... 62
Seats suitable for ISOFIX child
re stra int sy stems..................................... 61
Secu ring on the co-driver seat................70
Secu ring on there ar seat........................ 68
To pTe ther............................................... 65
Children Avoiding dangers in theve hicle............... 55
Basic instructions.................................... 54
Chock Storage location.................................... 378
Chock see Chock
Cleaning see Care Climate control
Activating/deactivating (rear operat‐
ing unit)................................................ .151
Ac tivating/deactivating the A/C
function (contro l panel).......................... 151
Ac tivating/deactivating the A/C
function (MBUX multimedia sy stem)...... 151
Ac tivating/deactivating the synchro‐
nisation function (contro l panel)............15 2
Ac tivating/deactivating the synchro‐
nisation function (MBUX multimedia
sy stem).................................................. 15 3
Air-reci rculation mode...........................1 53
Au tomatic control.................................. 15 2
Au tomatically controlling (rear oper‐
ating unit).............................................. 15 2
Calling up the air conditioning menu...... 151
Demi sting the windscreen..................... 15 0
Demi sting windo ws............................... 15 3
Fr ont air vents....................................... 15 9
Glo vebox air vent.................................. 16 0
Information on the windscreen heater... 15 5
Inserting/removing theflacon (fra‐
gr ance sy stem)...................................... 154
Ionisation............................................... 154
No te...................................................... 15 0 Index
487

Door
Additional door loc k................................ 78
Child saf ety lock (rear door).................... 72
Locking/unlocking (emergency key)....... 82
Opening (from inside ).............................. 79
Po we r closing function............................ 81
Un locking (from inside).......................... .79
Door cont rol panel....................................... 14
Door cont rol panel (rear) ............................ 16
Downhill driving assistance see DSR
Dr aw bar
see Tow- bar sy stem
Drive Away Assist ...................................... 263
Drive position Engaging................................................ 183
Drive prog ram display ............................... 178
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat Driving abroad
Light adjustment (low beam)................. 13 3
Driving saf ety sy stem
ABS (Anti-lock Braking Sy stem).............2 00
Ac tive Brake Assi st................................ 223
Ad aptive brake lights............................. 206
BA S (Brake Assi stSystem).................... 201
Cameras................................................ 19 8
EBD (Electronic Brake forc e Distribu‐
tion).......................................................2 04
ESP ®
Crosswind Assis t.......................... 202
ESP ®
trailer stabilisation.......................2 02
Off-road ABS......................................... 200
Overview.............................................. .199
Ra dar and ultrasonic sensor s................ 19 8
Re sponsibility........................................1 98
ST EER CONTROL................................... 204
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st see
Active Steering Assist
see AIRMATIC
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see DSR
see E- ACTIVE BODY CONTROL
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Reversing camera
see Speed Limit Assist
see Traf fic Sign Assi st
Driving tips Driving abroad (low beam light
adjustment).......................................... .133
Gene ral driving tips................................ 167
optimised acceleration.......................... 16 6
Ru nning-in no tes.................................... 16 5
Dr ows iness de tection
see ATTENTION ASSIST
DSR Activating/deactivating................. 219, 220
Changing thetar get speed.................... 220 494
Index

Fu
nction................................................. 218
No tes..................................................... 219
Dynamic handling cont rol sy stem
see ESP ®
(Elect ronic Stability Prog ram)
DY NA MIC SELECT
Calling up the fuel consum ption indi‐
cator..................................................... .180
Configuri ng drive program I................... 17 9
Displ aying engine dat a.......................... 17 9
Displ aying vehicle dat a.......................... 17 9
Drive program display............................ 178
Drive programs...................................... 17 7
Fu nction................................................ 17 7
Operating (DYNAMIC SELECT switch)....1 78
Selecting the drive prog ram................... 178 E
E- AC TIVE BODY CONT ROL
Individual wheel control.........................2 45
Re covery mode...................................... 24 4
Setting the le vel..................................... 24 5
Suspension............................................ 24 2
E10 ............................................................ .395 Easy entry
feature
Fu nction/no tes...................................... 111
Easy exitfeature
Fu nction/no tes...................................... 111
EAS Y-PA CK load-securing kit
Ins talling/ removing thete lescopic
ro d.........................................................1 24
No tes..................................................... 124
EBD (Electronic Brake forc e Distribu‐
tion)
Function/no tes..................................... 204
ECO Assi st
Fu nction/no tes...................................... 175
ECO display Function................................................. 174
ECO start/s top function
Au tomatic engine start.......................... 173
Au tomatic engine stop...........................1 73
Switching off/on.................................... 174
Electric pa rking brake
Applying automaticall y.......................... 19 5
App lying/ releasing manuall y................. 19 6
Emergency braking................................ 19 6
Re leasing automaticall y......................... 19 6Electrical fuses
see Fuses
Electrohydraulic suspension see E- ACTIVE BODY CONTROL
Electromagnetic compatibility Declaration of conformity........................ 26
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Emer gency
Assis tance overview................................ 18
Fire extinguisher.................................... 350
Fir st-aid kit (so ftsided).........................3 50
Re moving thewa rning triangle.............. 349
Saf etyve st............................................ 349
Setting up thewa rning triangle............. 350
Emer gency braking ................................... 19 6
Emer gency braking
see BAS (Brake Assi stSystem)
Emer gency engine start............................ 367
Emer gency key
Inserting/removing.................................77
Locking/unlocking the doors.................. 82
Un locking theta ilgate............................ .88 Index
495

Loads
Securing................................................. 11 4
Locking/unlocking Additional door loc k................................ 78
Emergency key........................................ 82
KEYLESS-GO........................................... 80
Opening theta ilgate................................ 83
Swit ching the automatic locking fea‐
ture on/off.............................................. 81
Un locking/opening the doors from
th e inside................................................79
Low beam Light adjustment (driving abroad).......... 13 3
Setting................................................... 14 0
Switching on/of f................................... 13 3
Lo weri ngtheve hicle
Re ar of theve hicle................................. 241
Lu bricant additives
see Additives
Lu ggage
Securing................................................. 11 4
Lu mbar support
see Lumbar support (4-w ay) Lu
mbar support (4-w ay)........................... 103 M
MAGIC VISION CONTROL Windsc reen wipers................................ 14 4
Maintenance see ASS YST PLUS
Malfunction Restra int sy stem..................................... 40
Manoeuvring aid see Manoeuvring assis tance
Manoeuv ring Assist
see Trailer Manoeuv ring Assi st
Manoeuvring assistance Cross Traf fic Alert................................. 264
Drive AwayAssi st.................................. 263
Manoeuv ring assistant
Ac tivating/deactivating......................... 264
Map Displ aying online map con tents............ 302
Displaying weather information.............3 02
Moving................................................... 301
Selecting the map orientation............... 301 Setting
the map scale............................ 301
Switching mo torw ay information on/
off......................................................... .301
Massage prog rammes
Overview.............................................. .107
Re setting the settings............................1 07
Selecting the front seats....................... 107
Maximum design speed see Limiter
Maximum gross vehicle weight .............. .391
Maximum permissible gross vehicle
we ight ........................................................ .391
Maximum speeds...................................... 403
MBUX Interior Assistant Switching there ading light forthe
driver and front passenger on/off
con tact-free........................................... 290
Switching the sear chlight forthe
driver on/off.........................................2 90
MBUX Interior Assistant (multimedia sy stem)
Overview............................................... 288 Index
501

see PRE-SAFE
®
PLUS (anticipatory
occupant pr otection plus)
Profile Creating a new profile........................... 292
Notes.................................................... 290
Selecting profile options....................... 292
Prog rams
see DYNA MIC SELECT
Pr otection of the environment
No tes....................................................... 22
Ta ke -ba ckof end-of-life vehicles..............22 Q
QR code Rescue card............................................35
Qualified specialist workshop ...................33 R
Ra dar and ultrasonic senso rs
Damage................................................. 19 8
Ra dio
Overview of the functions and sym‐
bols....................................................... 329 Ra
in-closing feature
Side wind ows.......................................... 89
Sliding sunroof........................................ 94
Ra ising theve hicle
Re ar of theve hicle................................. 241
REACH regulation........................................34
Re ading lamp
see Interior lighting
Re ading light
Switching on/off with hand mo ve‐
ments.................................................... 290
Re alwo od (Care) ...................................... .347
Re ar climate control
Setting (MBUX multimedia sy stem).......1 52
Re ar door (child saf ety lock)...................... 72
Re ar fog light
Switching on/off................................... 13 4
Re ar of theve hicle
Lo we ring................................................ 241
Ra ising.................................................. .241
Re ar seat
see Seat Re
ar seat belt
St atus display......................................... .44
Re ar seat belt status display ..................... 44
Re ar window heater.................................. 15 0
Re ar-view mir ror
Anti-dazzle mode (automatic)................ 147
Re ar-view mir ror
see Outside mir rors
Re cycling
see Take -ba ckof end-of-life vehicles
Re ducing agent
see AdBlue ®
Re fuelling
Re fuelling theve hicle............................1 85
Re gistration
Ve hicle.................................................... 33
Re gulatory radio identification................ 391
Re mo tecont rol (stationa ryheater/
ve ntilation)
Displa ys................................................. 15 8
Problems............................................... 15 9
Re placing the battery............................ 15 8506
Index