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 rectly
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 traile r:
R Active Lane Keeping Assist
R ESP ®
trailer stabilisation
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 Trailer Manoeuv ring Assi st
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 from the ball head and
st ore it in a safe place (/ page117). #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
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. Driving and parking
295
Re
ar displa ys Overview of
there ar displa ys 1
HDMI mini port
2 USB port (type C)
3 Socketfo r corded headphones with a
3.5 mm stereo jack The
rear compartment displa ysare located
behind the head restra ints of the front seats.
The rear displa ysare fitted wi thtouchsc reens.
Fu rther information on operating touchsc reens
(/ page 339).
When there ar door is opened, thewe lcome
screen appears.
The rear displa ysconnect au tomatical lywith the
multimedia sy stem.
% Headphones with wired remo tecontrol and
st ereo jack (3.5 mm) cann otbe used.
Switching a rear display on/off #
Onthere ar display: press the0043 button.
The rear display is swit ched on or off.
% Switching thech ild-proof lock forth ere ar
displa yson/off on the MBUX multimedia
sy stem (/ page376). Home screen
overview (rear display) Example
1 Calls up the home screen
On the home screen: displa ys thefirs tth ree
applications
2 Displa ys, e.g. network displa y,time
3 Sets volumes
4 Opens an application via symbols MBUX multimedia sy
stem 509
*
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 (/ page615). #
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 552). #
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 85). #
Do not activate the HOLD function. #
Deactivate tow- aw ay protection
(/ page 100). #
Deactivate Active Brake Assi st
( / page 225). #
Shift the automatic transmission toposition
005C(/ page193). #
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 no rmally requ ired. #
Use a tow bar. 550
Breakdown assis tance
Display messages
Possible causes/consequences and 0050
0050Solutions
Ù Steering malfunction Stop
immediately See Owner's
Manual *T
hesteering is malfunctioning. Steering capability is significant lyimpaired. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Consult a qualified specialist workshop.
0051 *A
t least one door is open. #
Close all doors.
0066 *T
he bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. #
Never unlock the engine bonn etwhen driving. #
Before every trip, ensure that the engine bonn etis loc ked. 646
Displaymessa ges and warning/indicator lamps
Ambiance light
Setting (Rear Seat En tertainment
Sy stem) ................................................ 512
Ambient lighting Setting (multimedia sy stem) ................1 49
Android Auto ............................................ 457
Connecting a mobile phone ................. 458
Control using the application buttons
.............................................................4 59
Ending ................................................. 459
Information .......................................... 458
Overview ............................................. 457
Sound settings ................................... .459
Tr ans ferred vehicle data ......................4 59
Animals Pets in theve hicle ................................. 77
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft ala rmsystem
see ATA (anti-theft alarm sy stem) Anti-theft pr
otection
Ad ditional door lock .............................. 82
Immobiliser ...........................................98
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 ®
........................................4 55
Connecting an iPhone ®
....................... 456
Control using the application buttons
.............................................................4 57
Ending ................................................. 457
No tes .................................................. 456
Overview ............................................. 455
Sound settings .................................... 457
Tr ans ferred vehicle data ......................4 59
Ashtr ay
Use (front centre console) ...................1 33
Assistance Menu (on-boa rdcompu ter) .................. 307 Assistance sy
stems
see Driving saf ety sy stem
ASS YST PLUS ............................................ 517
Battery disconnection periods ............. 51 8
Displ aying the service due date ........... 517
Fu nction/no tes .................................... 517
Re gular maintenance work ................... 517
Special service requirements .............. .517
ATA (anti-theft ala rmsystem) .................. 99
Deactivating the alarm .......................... 99
Fu nction ................................................ 99
Fu nction of interior pr otection .............1 00
Priming/deactivating interior pr otec‐
tion ...................................................... 101
Priming/deactivating tow- aw ay pro‐
te ction ................................................. 100
To w- aw ay protection function ................99
AT TENTION ASSI ST......................... 280, 282
Fu nction .............................................. 280
Setting ................................................. 282
Sy stem limitations ...............................2 80
At tention assistant
see ATTENTION ASSIST 708
Index
Child saf
ety lock
Re ar door .............................................. .76
Re ar side wind ows................................. 77
Switching on/off (MBUX Rear Seat
En tertainment Sy stem) ........................ 376
Child seat App rova l categories .............................. .60
At tach ing (no tes) ................................... 59
Basic instructions ..................................52
Fr ont passenger seat (no tes) ................. 74
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 73
ISOFIX/i-Size (fitting) ............................ 66
No tes on risks and dangers ...................53
Re commended child restra int sys‐
te ms ...................................................... 57
Seats suitable for belt-secu redch ild
re stra int sy stems ................................... 70
Seats suitable for i‑Size child
re stra int sy stems ................................... 65
Seats suitable for ISOFIX child
re stra int sy stems ................................... 62
Securing on the front passenger seat ....75
Secu ring on there ar seat ...................... 72
To pTe ther ..............................................68 Child
ren
Av oiding dangers in theve hicle .............53
Basic instructions .................................. 52
Cho ck....................................................... 568
St orage location ..................................5 68
Cho ck
see Chock
CI+ module ..............................................5 04
Calling up a menu ................................ 504
Inserting the smart card ......................5 03
Cigar ette lighter
Fr ont centre console ........................... 13 3
Cleaning see Care
Climate control ........................................ 15 9
Ac tivating/deactivating (rear operat‐
ing unit) ................................................ 161
Ac tivating/deactivating the A/C
function (cont rol panel) ........................ 161
Ac tivating/deactivating the A/C
function (MBUX multimedia sy stem) ....1 61
Ac tivating/deactivating the synchro‐
nisation function (cont rol panel) .......... 16 2Ac
tivating/deactivating the synchro‐
nisation function (MBUX multimedia
sy stem) ................................................ 16 3
Air di stribution settings .......................1 62
Air-recirculation mode ......................... 16 3
Au tomatic control ................................ 161
Au tomatically controlling (rear oper‐
ating unit) ............................................ 16 2
Calling up the air conditioning menu ....1 61
Defrosting the windscreen ...................1 59
Demisting wind ows............................. 16 3
Fr ont air vents ..................................... 17 0
Glo vebox air vent ................................ 171
Inserting/removing theflacon (fra‐
gr ance sy stem) .................................... 16 4
Ionisation ............................................. 16 4
No te .................................................... 15 9
Re ar air vents ....................................... 171
Re ar operating unit .............................. 16 0
Re sidual heat ....................................... 16 3
Re sidual heat (rear operating unit) ...... 16 3
Sets the air flow ................................... 15 9
Setting (MBUX multimedia sy stem) ...... 161
Setting the air distribution ...................1 59
Setting the fragrance sy stem ............... 16 4712
Index
Limiter passive
..................................... 671
Mercedes me connect Services limi‐
te d See Owner's Manual ......................677
Mo tor can be star ted again .................6 80
N permanently active Risk of vehicle
ro lling .................................................. 652
Only select Park (P) when vehicle is
st ationary ............................................ 651
Place theke y in the mar ked space
See Owner's Manual ...........................638
PRE-SAFE impulse side inope rative
See Owner's Manual ........................... 636
PRE-SAFE inope rative See Owner's
Manual ................................................ 636
Re duce speed ...................................... 683
Re versing not poss. Consult work‐
shop ....................................................6 52
Risk of vehicle rolling Driver door
open and transmission not in P ...........651
Speed limit (winter tyres) XXX km/h ...672 Speed Limit Assi
stcur rently una vail‐
able See Owner's Manual .................... 666
Speed Limit Assist inope rative ........... .666
St op vehicle Lea veengine running
Wa itTransmission cooling ...................653
To shift out of P or N,depress brake
and start engine .................................. 651
To switch off the engine, press the
St art/ Stop button for at least 3 sec‐
onds or 3 times. .................................. 648
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 666
Tr af fic Sign Assi stinope rative ............. 666
Tr ansmission Malfunction Stop ........... 652
Ty re press. monitor cur rently una vail‐
able .................................................... .680
Ty re press. monitor inoperative ...........680
Ty re press. monitor inoperative No
wheel sensors ...................................... 681
Ty re(s) ove rheated ...............................6 83Up
date failed ...................................... .643
Up date failed Software remains
unchanged ........................................... 643
Up date successfully comple ted ...........6 43
Wi thout changing gear, consult work‐
shop ....................................................6 52
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door lock .............................. 82
Child saf ety lock (rear door) .................. .76
Locking (emergency key) ...................... .86
Opening (from the inside) ......................82
Po we r closing function ......................... .86
Un locking (emer gency key) .................. .86
Un locking (from the inside) ...................82 Index
719
Emer
gency engine start ......................... 553
Emer gency key
Inserting/removing ............................... 81
Locking a door ....................................... 86
Un locking a door .................................. .86
Un locking theta ilgate .......................... .92
Emer gency operation mode
St arting theve hicle .............................. 176
Emer gency spare wheel ..........................574
Inflating ............................................... 575
No tes ................................................... 574
Re moving ............................................. 575
ENERGIZING Coach Calling up ............................................ 386
Fu nction .............................................. 386
ENE RGIZING COMFORT ...........................381
Overview of programmes .................... 382
St arting the programme ......................3 84
ENERGIZING seat kinetics Setting ................................................ .381
ENERGIZING seat kinetics see ENERGIZING COMFORT Engine
ECO start/ stop function ......................1 84
Engine number ..................................... 61 5
St arting (Digital Vehicle Keyst icke r) .... 175
St arting (eme rgency operation
mode) .................................................. 176
St arting (mobile phone) ...................... .175
St arting (Remo teOnline) ..................... 17 7
St arting (s tart/s top button) .................1 74
St arting assis tance .............................. 547
Switching off (s tart/s top button) ........ 203
Engine bonnet Opening/closing .................................. 51 8
Engine data Displaying ............................................ 191
Engine electronics Notes .................................................. 580
Engine number ......................................... 61 5
Engine oil .................................................. 521
Ad ditives .............................................6 23
Capacity .............................................. 623
Che cking the oil le vel using the on-
board computer ................................... 520
MB-Fr eigabe or MB-Appr oval .............. .623 Quality ................................................. 623
To
pping up ...........................................5 21
Entering characters ................................ 363
Fu nction/no tes ................................... 363
On theto uchpad .................................. 364
On theto uchsc reen (media display) ....3 67
Setting theke yboard .......................... .370
Entering/exiting le vel
Setting ................................................. 250
EQ Boo st
Operating saf ety .................................... 24
ERA-GLONASS test mode
St arting/ending .................................. .472
ESC (Electronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assist ................................. 218
Off-road ............................................... 217
Tr ailer stabilisation .............................. .218
ESP ®
(Electronic Stability Prog ram) ....... 214
Ac tivating/deactivating ...................... .217
Fu nction/no tes .................................... 214
EU general operating permit number ....615 722
Index