Display messages
Possible causes/consequences and M
MSolutions
b Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. #
Pull over and stop theve hicle in accordance with the tra ffic conditions. #
Check the fuses and replace them if necessary (/ page 482).
b
Automatic driving lights
inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
b Switch on headlamps *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch totheL orà position.
b
Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position. Display messages and
warning/indicator lamps 57 9
Instrument display (standard)
Instrument display in
the widescreen cockpit Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown.
Wa rning and indicator lamps:
L Low beam(/
page128)
T St
anding lights(/ page128)
K High beam(/
page130)
#! Tu
rn signal lights( /page 130)
R Re
ar fog light(/ page128)
6 Re
stra int sy stem(/ page 583)
ü Seat belt not
fastened(/ page 588)
J Brakes (yellow)(/
page 583)
J Brakes (red)(/
page 583)
! Elect
ric pa rking brake (yellow)
(/ page 583)
! Electric parking brake (red)
(/
page 583)
! ABS malfunction(/
page 583)÷
ESP®
(/ page 583)
å ESP®
OFF(/ page 583)
L Distance warning(/ page 589)
Ù Electric powerst eering malfunction
(/ page 594)
; Engine diagnostics(/
page 590)
% Preglow
# Elect
rical fault( / page 590)
æ Fu
elreser vewith fuel filler cap loca‐
tion indicator(/ page 590)
? Ve
hicles with a widescreen cock‐
pit: Coolant too hot/cold
(/ page 590)
h Ty
re pressure monitor(/ page 592)
ï Trailer hit chis not operational or is
swiveling(/ page 594) 582
Display messages and warning/indicator lamps
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
Ac
tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........544
Ac tive Blind Spot Assi stinope rative ....544
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 545
Ac tive bonnet malfunction See Own‐
er's Manual .......................................... 575
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ......540
Ac tive Brake Assi stFunctions limited
See Owner's Manual ...........................540
Ac tive Dis tance Assi stavailable
again .................................................. .549
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........548
Ac tive Dis tance Assi stinope rative ...... 548
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........543 Ac
tive Lane Keeping Assist inopera‐
tive ...................................................... 543
b Active Light Sy stem inoperative .. 580
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual ......................................... 545
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops ......................................... 543
Ac tive Steering Assist cur rently
una vailable See Owner's Manual .........542
Ac tive Steering Assist inoperative .......542
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual .........580
Ad aptive Highbeam Assist inopera‐
tive ...................................................... 581
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .581 Ad
aptive Highbeam Assist Plus inop‐
erative ................................................ .581
¯ AdBlue sy stem fault Engine
st art not possible ................................ 559
¯Ad Blue system fault Perf.
re duced in XXX miles See Owner's
Manual ................................................ 559
¯ AdBlue sy stem fault Perf.
re duced: XXX km/h Nostart in XXX
km ...................................................... .559
¯ AdBlue sy stem fault See Own‐
er's Manual ........................................ .558
4Ad d 1 litre engine oil when next
re fuelling ............................................. 554
Anti-theft ala rmsystem Malfunction ....576
App lybrake todeselect Park (P)
position ...............................................5 60
Apply brake toselect R ....................... 560
ÀAT TENTION ASSIST inoperative ...541 606
Index
ÀAT
TENTION ASSIS T:Take a
break! .................................................. 541
b Automatic driving lights inoper‐
ative .................................................... 579
Au xilia rybattery malfunction ...............561
_ Before starting the engine, turn
th esteering wheel. .............................. 563
Beginning emer gency stop .................. 542
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ......................543
Blind Spot Assi stinope rative ............... 544
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...5 44
Brake immediately ............................... 535
ÁChange key bat teries ...................5 70
JChe ckbrake fluid le vel................ 535
Check brake pads See Owner's Man‐
ual ...................................................... .536
ïChe cktrailer hitch lo ck(white
display message) .................................5 72Check tyre pressures
then restart
Ru n Flat Indicator ................................ 565
hCheck tyre(s) ............................... 567
!Clean the fuel filter .................... .553
Clutch overheated Avoid pulling away
fo r XX:XX mins .................................... 564
?Coolant Stop vehicle Switch
engine off ............................................ 550
Cruise contro l and Limiter inope ra‐
tive ...................................................... 549
Cruise cont rol inope rative ................... 549
Cruise cont rol off ................................ 549
_ Currently una vailable Camera
view restricted ..................................... 547
ç Currently una vailable Radar
sensors dirty .......................................5 46
!cur rently una vailable See Own‐
er's Manual ........................................ .528
÷cur rently una vailable See Own‐
er's Manual ........................................ .529 Depress clutch ful
lyto start engine .....5 64
Drive sy stem Malfunction Stop
Switch engine off ................................ 554
Drive sy stem Malfunction Visit work‐
shop ....................................................5 54
5 Engine oil le vel cannot be
measured ............................................ 557
4Engine oil le velRe duce oil le vel...5 56
4Engine oil le velSt op vehicle
Switch engine off ................................ 555
4Engine oil pressure Stop Switch
off engine ............................................ 556
Fa ult Drive at max. 80 km/h ...............542
6Fr ont left malfunction Consult
wo rkshop (Example) ............................5 37
Fr ont-passenger airbag disabled See
Owner's Manual ..................................5 38
Fr ont-passenger airbag enabled See
Owner's Manual ..................................5 39 Index
607
æRe
servefuel le vel........................ 553
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 536
Re versing not poss. Consult work‐
shop ..................................................... 561
Risk of vehicle rolling away Apply
pa rking brake See Owner's Manual .....5 62
Risk of vehicle rolling away Parking
brake not applied See Owner's Man‐
ual ...................................................... .535
Risk of vehicle rolling Driver door
open and transmission not in P ...........560
Ru n Flat Indicator inope rative ............. 566
#See Owner's Manual .................... 551
Speed limit (winter tyres) XXX km/h ... 550
Speed Limit Assi stinope rative ........... .546
ÙSt eering malfunction Incre ased
ph ysical ef fort See Owner's Manual ....574
Ù Steering malfunction See Own‐
er's Manual ......................................... 563 ÙSt
eering malfunction Stop
immediately See Owner's Manual ........575
# Stop vehicle Lea veengine run‐
ning ..................................................... 553
#St opvehicle See Owner's Man‐
ual .......................................................5 52
çsuspended .................................. 548
b Switch off lights .......................... 579
b Switch on headlamps ..................579
Te aching in transmission comple te..... 563
Te aching in transmission Operate
selec tor le ver Brake for XX seconds
Risk of vehicle rolling .......................... 562
To shift out of P or N,depress brake
and start engine .................................. 560
ÚTo p upAdBlue Perf.re duced in
XXX miles See Owner's Manual ...........557
Ú Top up AdBlue Perf.re duced:
XXX km/h Nostart in XXX km ............ 558
To p up coolant See Owner ’sManual ....551 ¥
Top up washer fluid .................... .577
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ......................545
Tr af fic Sign Assi stinope rative ............. 545
ï Trailer coupling extending… .........572
Tr ans. oil overheated Drive on with
care ..................................................... 562
Tr ansmission Malfunction .................... 561
Tr ansmission Malfunction Stop ............ 561
Tr ansmission Malfunction Visit work‐
shop ....................................................5 63
!Tu rnon the ignition torelease
th e parking brake ................................ 531
hTy repress. monitor cur rently
una vailable .......................................... 566
hTy repress. monitor inoperative
No wheel sensors ................................ 567
hTy repress. monitor inoperative ...566
Ty re pressure Check tyres ...................565
Ty re(s) ove rheated ...............................5 69 Index
609
dVe
hicle is operational Switch
off the ignition before exiting .............. .572
h Warning tyre defect .....................568
hWheel sensor(s) missing .............. 567
Wi thout changing gear, consult work‐
shop ..................................................... 561
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 .............................. 80
Child saf ety lock (rear door) .................. 73
Locking (emergency key) ...................... .84
Opening (from the inside) ......................80
Un locking (emer gency key) .................. .84
Un locking (from the inside) ...................80
Door cont rol panel .................................... .16Dr
aw bar
see Tow- bar sy stem
Drinks holder see Cup holder
Drive Away Assist .................................... 239
Drive Away Assist
see Pr otection against collision
Drive position Enga ging ..............................................1 72
Drive prog ram display ............................. 16 6
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 ............................ .191
ABS (Anti-lo ckBraking Sy stem) ........... 19 2
Ac tive Brake Assi st.............................. 197
Ad aptive brake lights .......................... .203
BA S (Brake Assi stSystem) .................. 19 2EBD (Electronic Brake
forc e Distribu‐
tion) ..................................................... 19 6
ESP ®
Crosswind Assi st........................ 19 6
ESP ®
trailer stabilisation .................... .196
Overview .............................................. 191
Ra dar sensors ...................................... 191
Re sponsibility ...................................... 191
ST EER CONTROL ................................. 19 6
Driving sy stem
Suspension with adaptive damping
adjustment .......................................... 221
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 Change Assi st
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem 61 0
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