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. 544
Displaymessa ges and warning/indicator lamps
1,
2, 3 ...
4MATIC ..................................................... 175
Fu nction ............................................... 175
12 V battery
see Battery (vehicle)
12 V so cket
see Soc ket (12 V)
48 V on-board electrical sy stem
Operating saf ety .................................... 21
360° Camera .......................................... .228
Fu nction .............................................. 228
Opening the camera co ver (r eve rsing
camera) .............................................. .231
Selecting a view ................................... 231
Setting favo urites ................................ 232
Swit ching automatic operation
on/off (r eversing camera) .................. .231 A
A/C function Activating/deactivating (multimedia
sy stem) ................................................ 147
Switching on/off (control panel) .......... 147ABS (Anti-lock Braking Sy
stem) ............ .190
Ac celeration
see Kickdown
Ac cess data
Editing (Blue tooth®
) .............................3 67
Setting (Blue tooth®
) ............................ 366
Ac cident and breakdown manage‐
ment
Mercedes me connect ........................ .360
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 72
Ac tivating/deactivating automatic
vo lume adjustment
Burmes ter®
sur round sound sy stem ... 398
Ac tive Blind Spot Assi st.......................... 247
Ac tivating/deactivating ...................... .250
Brake application ................................. 24 8
Fu nction .............................................. 247
Sy stem limitations ...............................2 47
Tr ailer operation .................................. 24 8
Ac tive bonn et(pedestrian pr otection) ...4 01
Operation ............................................ 401
Re setting ............................................. 401 Ac
tive Brake Assi st
Fu nction/no tes ................................... 19 6
Setting ................................................. 200
Ac tive Di stance Assist DISTRO NIC........ 205
Ac tive Emergency Stop Assist .............. 214
Ac tive Lane Change Assi st................... 213
Calling up a speed .............................. .207
Displ ays in the instrument display .......2 15
Fu nction .............................................. 205
Increasing/decreasing speed .............. 207
Re quirements: .................................... .207
Ro ute-based speed adap tation ........... .209
Selecting ............................................. 207
St eering wheel buttons ........................ 207
St oring a speed ................................... 207
Switching off/deactivating .................. 207
Switching on/activating ......................2 07
Sy stem limitations ...............................2 05
Ac tive Eme rgency Stop Assist ................ 214
Ac tive headlamps .................................... 131
Ac tive Lane Change Assi st...................... 213
Ac tivating/deactivating ...................... .214
Fu nction ............................................... 213 Index
545
Ac
tive Lane Keeping Assist .................... 250
Ac tivating/deactivating ...................... .252
Fu nction .............................................. 250
Sy stem limitations ...............................2 50
Ac tive Parking Assist .............................. 232
Cross Traf fic Alert ................................ 24 2
Drive AwayAssi st................................ 24 2
Exiting a pa rking space ...................... .235
Fu nction .............................................. 232
Manoeuvring assi stance ...................... 24 3
Pa rking ................................................ 233
Sy stem limitations ...............................2 32
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 208
Display ................................................ 208
Fu nction .............................................. 208
Ac tive Steering Assist ............................ .211
Ac tivating/deactivating ...................... .213
Ac tive Emergency Stop Assist .............. 214
Ac tive Lane Change Assi st................... 213
Displ ays in the instrument display .......2 15
Fu nction ............................................... 211
Sy stem limitations ...............................2 11Ad
aptive brake lights .............................. 201
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 13 3
Switching on/off ................................. 13 4
Ad Blue ®
.................................................... 470
Ad ditives .............................................. 470
Capacity .............................................. 470
Fill le vel .............................................. .265
No tes ................................................... 178
Purity ................................................... 470
Ra nge .................................................. 265
To pping up ...........................................1 79
Ad ditional door lo ck.................................. 75
Ad ditional value range
Setting display content ........................ 263
Ad diti ves.................................................. 471
Ad Blue ®
............................................... 470
Engine oil ............................................. 471
Fu el ..................................................... 468 Ad
diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing the balance/ fader
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 399
Burmes ter®
sur round sound sy stem ... 398
Ad justing the bass, mid- range and
treble
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 399
Ad justing the mid- range, treble and
bass
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 399
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 398 546
Index
Overview ............................................. 356
Sound settings .................................... 357
Tr
ans ferred vehicle data ......................3 57
Animals Pets in theve hicle ................................. 70
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 .............................. 75
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™ ....................................... 354
Connecting an iPhone ®
....................... 355 Ending .................................................3
55
No tes .................................................. 355
Overview ............................................. 354
Sound settings .................................... 355
Tr ans ferred vehicle data ......................3 57
Asht ray
Fr ont centre console ........................... 12 3
Re ar passenger compartment ............ .123
Assistance sy stems
see Driving saf ety sy stem
Assistant display Menu (on-board computer) .................. 265
ASS YST PLUS ........................................... 400
Battery disconnection pe riods .............4 01
Displ aying the service due date ........... 400
Fu nction/no tes ................................... 400
Re gular maintenance work .................. 400
Special service requ irements .............. 400
ATA (anti-theft ala rmsystem) .................. 95
Deactivating the alarm .......................... 96
Fu nction ................................................ 95
Fu nction of interior pr otection ............... 96
Priming/deactivating interior pr otec‐
tion ........................................................ 97Priming/deactivating
tow- aw ay pro‐
te ction ................................................... 96
To w- aw ay protection function ................96
AT TENTION ASSI ST.......................... 243, 24 4
Fu nction .............................................. 24 3
Setting ................................................. 24 4
Sy stem limitations ...............................2 43
At tention assistant
see ATTENTION ASSIST
Au dio mode
Connecting USB devices ...................... 376
Copyrights .......................................... .373
Information ..........................................3 72
Inserting/removing an SD card ........... 374
Media sear ch....................................... 379
Overview ..............................................3 75
Pa use and playback function .............. .376
Selecting a track .................................. 376
Selecting pl ayback options .................. 376
Switching on media mode .................... 374
Tr ack list .............................................. 376
Au thorised workshop
see Qualified specialist workshop 548
Index
Au
tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................12 9
Au tomatic engine start (ECO start/
sto p function) .......................................... 16 5
Au tomatic engine stop (ECO start/
sto p function) .......................................... 16 5
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff .......................................... 40, 42
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 40
PA SSENGER AIR BAG indicator lamp .... .42
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .142
Au tomatic transmission
DIRECT SELECT le ver ........................... 171
Drive program display .......................... 17 0
Drive programs .................................... 16 9DY
NA MIC SELECT switch .................... 16 9
Engaging drive position ........................ 172
Engaging neutral .................................. 172
Engaging pa rkposition ........................ 172
Engaging reve rsege ar ........................ .172
Kickdown ............................................. 174
Manual gear changing .......................... 173
St eering wheel gearshift paddles ........ .173
Tr ansmission position display .............. 171
Tr ansmission positions ........................ 171
Axle load Perm issible .......................................... 463
Tr ailer operation .................................. 477 B
Bag hook ................................................... 11 8
Ball ne ck
Fo lding out/in .................................... .254
BA S (Brake Assist Sy stem) .................... .191
Battery Charging (Remo teOnline) .................... 16 2
Ke y ........................................................ 73
Re mo tecontrol (s tationary heater) ...... 15 3Battery
see Battery (vehicle)
Battery (vehicle) ...................................... 431
Charging .............................................. 430
Charging (Remo teOnline) .................... 16 2
No tes .................................................. 426
No tes (s tarting assis tance and
ch arging) ............................................ .428
Re placing .............................................4 31
St arting assis tance .............................. 430
Belt see Seat belt
Bic ycle rack
Tr ailer operation .................................. 257
Blind Spot Assist .................................... .247
Ac tivating/deactivating ...................... .250
Fu nction .............................................. 247
Sy stem limitations ...............................2 47
Blo wer
see Climate control
BlueTEC see AdBlue ® Index
549
DIRECT SELECT le
ver............................... 171
Engaging drive position ........................ 172
Engaging neutral .................................. 172
Engaging pa rkposition ........................ 172
Engaging pa rkposition automatically .. 172
Engaging reve rsege ar ........................ .172
Fu nction ............................................... 171
Display Care .................................................... .416
Display (multimedia sy stem)
Settings .............................................. .298
Display (on-board comp uter)
Displ ays on the multifunction display .. 264
Display content Setting the additional value range ....... 263
Displ aymessage ...................................... 478
Calling up (on-board co mputer) .......... .478
No tes ................................................... 478
Display messages ¯ - - - km/h .................................. .500
ç - - - km/h ................................... 499
È - - - km/h ................................... 500 #12
V battery See Owner's Man‐
ual ....................................................... 504
#48 V battery See Owner's Man‐
ual ....................................................... 507
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........502
Ac tive Blind Spot Assi stinope rative .... 498
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 493
Ac tive bonnet malfunction See Own‐
er's Manual .......................................... 524
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ...... 492
Ac tive Brake Assi stFunctions limited
See Owner's Manual ........................... 490
Ac tive Dis tance Assi stavailable
again .................................................. .500
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........499 Ac
tive Dis tance Assi stinope rative ...... 499
Ac tive Lane Keeping Assist Camera
view restricted See Owner's Manual ... 501
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........495
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 497
bAc tive Light Sy stem inoperative .. 528
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual ......................................... 502
Ac tive Steering Assist cur rently
una vailable See Owner's Manual .........494
Ac tive Steering Assist inoperative .......494
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual ................................................ 530
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .530 Index
555
Ad
aptive Highbeam Assist Plus inop‐
erative ................................................ .530
¯ AdBlue sy stem fault Engine
st art not possible ................................ .512
¯ AdBlue sy stem fault Perf.
re duced in XXX km See Owner's
Manual .................................................5 11
¯ AdBlue sy stem fault Perf.
re duced: XXX mph No start in XXX
miles .................................................... 511
¯ AdBlue sy stem fault See Own‐
er's Manual .......................................... 511
4 Add 1 litre engine oil when next
re fuelling ............................................. 509
Air conditioning Malfunction See
Owner's Manual .................................. 526
Apply brake todeselect Park (P)
position ................................................ 513
App lybrake toselect R ........................ 514
À ATTENTION ASSIST inoperative ... 498ÀAT
TENTION ASSIS T:Take a
break! .................................................. 495
bAu tomatic driving lights inoper‐
ative .................................................... 529
Au xilia rybattery malfunction ...............514
Beginning eme rgency stop .................. 490
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 501
Blind Spot Assist inope rative ............... 494
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 97
Cann otstart engine See Owner's
Manual ................................................ 505
ÁChan gekey bat teries .................. 520
JCheck brake fluid le vel................ 483
Check brake pads See Owner's Man‐
ual ...................................................... .493
4Che ckeng. oil le v.when next
re fuelling .............................................. 51 0ï
Check trailer hit chlock (white
display message) ................................ .525
Che cktyre pressu resth en restart
Ru n Flat Indicator ................................. 519
h Check tyre(s) .............................. .516
! Clean the fuel filter .................... .503
?Coolant Stop vehicle Switch
engine off ............................................ 505
Cruise contro l and Limiter inope ra‐
tive ...................................................... 500
Cruise control inope rative ................... 500
Cruise control off ................................ 500
!cu rrently unavailable See Own‐
er's Manual ........................................ .485
÷cur rently una vailable See Own‐
er's Manual .......................................... 479
5 Engine oil le vel cannot be
measured ............................................ 507
4Engine oil le velRe duce oil le vel...5 08 556
Index
Tr
af fic Sign Assi stinope rative ............. 495
ïTr ailer coupling extending… ......... 521
Tr ansmission Malfunction Stop ............ 513
! Turn on the ignition torelease
th e parking brake ................................ 479
h Tyre press. monitor cur rently
una vailable .......................................... .517
h Tyre press. monitor inoperative
No wheel sensors ................................ 51 8
h Tyre press. monitor inoperative ...518
Ty re pressure Check tyres ...................515
Ty re(s) ove rheated ...............................5 18
É Vehicle rising Please wait............ 494
ÉVe hiclerising ...............................4 96
hWa rning tyre defect .....................515
h Wheel sensor(s) missing ..............517
Wi thout changing gear, consult work‐
shop ..................................................... 514
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 .............................. 75
Locking (emergency key) ...................... .79
Opening (from the inside) ......................75
Un locking (emer gency key) .................. .79
Un locking (from the inside) ...................75
Door cont rol panel .................................... .14
Dr aw bar
see Tow- bar sy stem
Drive Away Assist .................................... 24 2
Drive position Engaging ..............................................1 72
Drive prog ram display ............................. 17 0
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat Driving abroad
Symmetrical dipped beam ...................1 28
Driving lights see Automatic driving lights
Driving saf ety sy stem ............................ .189
ABS (Anti-lock Braking Sy stem) ........... 19 0
Ac tive Brake Assi st.............................. 19 6
Ad aptive brake lights .......................... .201
BA S (Brake Assi stSystem) ...................1 91
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 19 5
ESP ®
Crosswind Assi st........................ 19 5
ESP ®
trailer stabilisation .................... .195
Overview ............................................. 19 0
Ra dar sensors ...................................... 19 0
Re sponsibility ...................................... 189
ST EER CONTROL ................................. 19 6
Driving sy stem
DY NA MIC BODY CONTROL .................. 218
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist Index
559