ECU MERCEDES-BENZ CLA COUPE 2019 Manual Online

Display messages
Possible causes/consequences and M
MSolutions &
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. #
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. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. If
th e display message does not disappear, the trailer tow hit chis defective and the ball neck is not loc ked. #
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. #
Consult a qualified specialist workshop.
The trailer tow hit chwill not be operational when theve hicle is at a standstill. #
Uncouple the coupled trailer and secure it against rolling away. #
Initiate a new swivelling procedure (/ page 252). #
Ifth e ball neck is retracted: press and hold the button on the boot lid until the ball neck engages vertically in
th e loc ked position and then engages beneath the bumper. #
Ifth e ball neck is extended: press and hold the button on the boot lid until the ball neck engages beneath the
bumper.
If th e display message does not disappear, the trailer tow hit chis defective and the ball neck is not loc ked. Display messages and
warning/indicator lamps 573

Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ï Tr ailer tow hit chwarning
lamp The
red trailer tow hit chwarning lamp is on.
The trailer tow hit chis not operational or swivels. &
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. #
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. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. #
Obser vethe messages on the multifunction displa y.
If th e trailer hitch swivels: #
Wait until the ball coupling has reached the operational position.
Ù
Wa rning lamp for electric
po we rst eering The
redwa rning lamp for electric po werst eering is lit while the engine is running.
The po wer-assis tedsteering or thesteering itself is malfunctioning. &
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. 594
Display messages and warning/indicator lamps

Car-to-X-Communication
Displaying hazard warnings ................ .371
Overview ..............................................3 71
Sending hazard warnings .................... .372
Care .......................................................... 460
Air-water duct ...................................... 452
Car wash ............................................. 452
Carpet .................................................4 60
Decorative foil .................................... .456
Displ ay................................................ 460
Exterior lighting ................................... 458
High-pressure cleaner ......................... 454
Matt finish ........................................... 455
Pa int wo rk ............................................ 455
Plastic trim .......................................... 460
Re alwo od/trim elements ...................4 60
Re versing camera ................................ 458
Re versing camera/360° Camera ........ 458
Ro of lining ...........................................4 60
Seat belt .............................................. 460
Seat co ver ........................................... 460
Sensors ............................................... 458
Ta ilpipes .............................................. 458
Tr ailer hit ch......................................... 458
Wa shing byhand ................................. 454 Wheels/rims ....................................... 458
Wi
ndo ws .............................................. 458
Wi per blades .......................................4 58
Carpet (Care) .......................................... .460
Changing bulbs ........................................ 137
Dipped beam ....................................... 13 9
Fitting/removing co ver (front wheel
ar ch ) .................................................... 13 9
Main beam ...........................................1 39
No tes ................................................... 137
Overview ............................................. 13 8
Re versing lights .................................. .139
Tu rn signal lights (rear) ........................ 13 9
Changing gears ........................................ 172
Manually ..............................................1 72
Changing hub caps .................................500
Changing the lights
Driving abroad (symm etrical dipped
beam) .................................................. 12 8
Cha rging
Bat tery (vehicle) ...................................4 74
USB port ..............................................1 24Child saf
ety lock
Ac tivating/deactivating (multimedia
sy stem) ............................................... 332
Re ar door .............................................. .73
Re ar side wind ows................................. 74
Child seat App rova l categories .............................. .57
At tach ing (no tes) ................................... 56
Basic instructions ..................................50
Fr ont passenger seat (no tes) ................. 71
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 70
ISOFIX/i-Size (fitting) ............................63
No tes on risks and dangers ...................51
Re commended child restra int sys‐
te ms ...................................................... 54
Seats suitable for belt-secu redch ild
re stra int sy stems ................................... 67
Seats suitable for i‑Size child
re stra int sy stems ................................... 62
Seats suitable for ISOFIX child
re stra int sy stems ................................... 59
Securing on the front passenger seat ....72
Secu ring on there ar seat ...................... 69
To pTe ther ..............................................65 602
Index

Fu
se box in the engine compartment .. 482
Fu se box in the front passenger foot‐
we ll ...................................................... 483
No tes .................................................. 482 G
Garage door opener Cleari ngthe memory ........................... 185
Opening or closing the door ................1 85
Programming buttons .......................... 183
Ra dio equipment appr oval numbers .... 186
Re solving problems ............................. 184
Synchronising thero lling code ............ 184
Gearshift recommendation .............169, 173
Genera l operating permit number
(EU) .......................................................... .512
Genuine parts ............................................ 22
Glide mode ............................................... 173
Global sear ch
Fu nction ............................................... 315
Overview ..............................................3 15
Glo vebox
Locking/unlocking .............................. .111 H
Handbrake see Electric parking brake
Handling characteristics (unusual) ....... 485
HANDS-FREE ACCESS ................................ 87
Hazard warning lights ............................ .131
Head restra int
Fr ont (adjusting mechanically) .............1 02
Re ar (adjusting) .................................. .103
Re ar (fitting/removing) ........................ 103
Head-up display ....................................... 270
Ad justing display elements (on-board
compu ter) ............................................ 270
Ad justing the brightness (on-board
computer) ............................................ 270
Fu nction .............................................. 271
Menu (on-board computer) .................. 270
Operating the memory function ..........1 09
Setting the position (on-board com‐
puter) .................................................. 270
Switching on/off ................................. 271
Headlamp flasher ................................... .130 Heating
see Clima tecontrol
High beam Adaptive Highbeam Assist .................. .133
Ad aptive Highbeam Assist Plus .......... .134
Switching on/off ................................. 13 0
High-pressure cleaner (care) ................. 454
Hill Start Assist ........................................ 219
HOLD function ......................................... 219
Fu nction/no tes .................................... 219
Switching on/off ................................. 220
Home sc reen (media display)
Overview ............................................ .292
Hotspot Setting up (Wi-Fi) ................................. 330 I
i-Size child seat securing sy stem
Fitting .................................................... 63
Seats suitable for attaching ................... 62
Identification plate Engine .................................................. 512
Ve hicle .................................................5 1261 4
Index

Communication module function ........
.421
Connection status .............................. .424
Displ aying the connection status ........ .424
Es tablishing .........................................4 23
Es tablishing automatically ...................4 23
Information .......................................... 421
Mobile phone de tails .......................... .423
Re strictions ......................................... 421
Setting access da ta(Blue tooth ®
) ........ 422
Setting automatic disconnection .........4 24
Setting up (Blue tooth®
) .......................4 22
Setting up (Wi-Fi) ................................. 422
Internet radio
Calling up ............................................ 428
Calling up thest ation list (category
last selec ted) .......................................4 30
Deleting stations ................................ .430
Logging out ......................................... 430
Overview ............................................. 429
Re gis tering .......................................... 430
Saving stations .................................... 430
Selecting and connecting toast ation
............................................................ .430
Selecting stre am ................................ .430
Setting options ................................... .430 Te
rm s of use ........................................4 30
iPhone ®
see Apple CarPlay™
see Mercedes-Benz Link
ISOFIX child seat securing sy stem
Fitting .................................................... 63
Seats suitable for attaching ................... 59 J
Jack Declaration of conformity ...................... 27
St orage location ..................................4 99
Jump-start connection ............................474
Gene ral no tes ...................................... 472 K
Ke y.............................................................. 76
Ac oustic locking verification signal ........ 77
Battery ................................................... 78
Emergency key ...................................... 78
Energy consumption .............................. 77
Fe atures ................................................ 76
Ke yring attachment .............................. 78
Overview ................................................ 76Problem .................................................79
Un locking setting .................................. 77
Ke y functions
Deactivating .......................................... 77
KEYLESS-GO Locking theve hicle ................................ 82
Problem .................................................83
Un locking setting .................................. 77
Un locking theve hicle ............................82
Kickd own.................................................. 173
Using ................................................... 173
Knee airbag ................................................ 41 L
Lamp see In terior lighting
Lamps (instrument display) see Warning/indicator lamps
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist 61 6
Index

Live
Traf fic Information
Displaying the tra ffic map .................. .369
Displ aying traf fic incidents .................. 370
Extending a subscription ..................... 369
Pr ov ider information ............................ 368
Re gis tering on Mercedes me ............... 368
Showing local area messa ges .............. 371
Switching the tra ffic information dis‐
play on ................................................ .370
Loading ..................................................... 11 5
No tes ................................................... 11 0
Ro ofrack ............................................. 11 5
St ow age space under the boot floor ....1 15
Ti e-down eyes ...................................... 11 5
Loading guidelines ...................................110
Loads Securing .............................................. .110
Locking/unlocking Activating/deactivating the auto‐
matic locking feature ............................ .83
Ad ditional door lock .............................. 80
Digital Vehicle Keyst icke r ...................... 81
Emergency key ...................................... 84
KEYLESS-GO .......................................... 82 Mobile phone ........................................
.81
Smartphone ........................................... 81
Un locking/opening the doors from
th e inside ..............................................80
Low beam (symm etrical dipped beam) ................. 12 8
Switching on/off ................................. 12 8
Lu bricant additives
see Additives
Lu ggage
Securing ...............................................1 10
Lu mbar support
see Lumbar support (4-w ay)
Lu mbar support (4-w ay)........................ .102 M
Main beam Changing bulbs ................................... .139
Maintenance see ASS YST PLUS
Malfunction Parking Assist PARKTRONIC ................ 223
Re stra int sy stem ................................... 35 Manual transmission
Operating thege arshift le ver ............... 16 8
Map .................................................. .369, 374
Av oiding an area ..................................3 78
Av oiding an area (o verview) ................ .378
Changing an area ................................ .378
Del eting an area .................................. 379
Displ aying Qibla .................................. 380
Displaying the compass ....................... 380
Displaying the map version .................. 377
Displ aying the next intersecting
st re et ................................................... 377
Displ aying thera nge ............................ 381
Displaying the satellite map ................3 80
Displ aying the tra ffic map .................. .369
Displ aying weather information .......... .381
Map data ............................................. 379
Moving .................................................3 75
Selecting POI symbols ......................... 376
Selecting text information ................... 377
Selecting the map orientation .............3 75
Setting the map scale .......................... 374
Setting the map scale automatically ....3 80
Showing in the multifunction display
of the instrument clus ter .................... .381 61 8
Index

Sy
stem settings
see Blue tooth®
see Data import/export
see Language
see MBUX Touch
see So ftwa reupdate
see Wi-Fi T
Ta ilpipes (Care) ........................................ 458
Ta ke -back of end-of-life vehicles .............. 21
Pr otection of the environment ............... 21
Ta nk content
Ad Blue ®
............................................... 519
Fu el ...................................................... 51 8
Re ser ve(fuel) .......................................5 18
Te ch nical data
Axle load (trailer operation) ................. 526
Fa stening points (trailer hitch) .............5 24
Information ..........................................5 10
Mounting dimensions (trailer hitch) ..... 524
No tes (trailer hitch) ............................. 524
Overhang dimension (trailer hitch) ...... 524
To ngue weight .................................... .526 To
wing capacity (trailer operation) ...... 525
Ty re pressure monitoring sy stem ........ 490
Ve hicle identification plate ...................5 12
Te lephone ........................................ 269, 387
Ac tivating functions du ring a call ........ 393
Changing a function ............................ 390
Connecting a mobile phone (Near
Field Communication (NFC)) ................ 391
Connecting a mobile phone (Pass‐
ke y) .................................................... .388
Connecting a mobile phone (Secu re
Simple Pairing) .................................... 388
Disconnecting a mobile phone ............ 390
Importing con tacts .............................. 395
Importing contacts (o verview) ............ .395
Incoming call during an existing call .... 393
Information .......................................... 388
Inter changing mobile phones .............. 389
Locking theve hicle (mobile phone) .......81
Menu (on-board computer) .................. 269
Mobile phone voice recognition .......... 392
No tes .................................................. 386
Operating modes ................................. 388
Re ception and transmission volume .... 392
Re placing mobile phones .................... 390 Setting
theringtone ............................ 392
St arting theve hicle (mobile phone) ..... 15 8
Switching mobile phones (Near Field
Communication (NFC)) ........................ 391
Te lephone menu overview .................. .387
Te lephone operation ............................ 392
Unlocking theve hicle (mobile phone) ....81
Using Near Field Communication
(NFC) ................................................... 391
Vo ice commands (LINGU ATRO NIC) ...... 281
Wi reless charging (mobile phone) ........ 12 6
Te lephone
see Second telephone
Te lephone number
Dialling (on-board computer) .............. .269
Te lephone operation
see Calls
Te lephony operating modes
Blue tooth ®
Te lephony .......................... 388
Te lephony operating modes
see Second telephone
Te mp erature ............................................ 14 6 Index
631