Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (/ page 481). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
*The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired. 620
Display messages and warning/indicator lamps
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure and the tyres.
h Ty re pressure monitoring
sy stem warning lamp
fl ashes The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) flashes for appro ximately one
minu teand then remains lit.
*The tyre pressu remonitoring sy stem is faulty. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss
in one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 621
Ad
justing treble, mid- range and bass
settings
Adva nced sound sy stem ......................4 73
Burmes ter®
sur round sound sy stem ....4 71
ADS PLUS da mping sy stem
see AIR BODY CONTROL
Ad vanced sound sy stem
Ac tivating/deactivating au tomatic
vo lume adjustment .............................. 473
Ad justing the balance/fader ................4 73
Ad justing treble, mid-range and bass
settings ................................................ 473
Calling up the sound menu .................. 472
Information .......................................... 472
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ 24 2
Setting ................................................. 24 4
Suspension .......................................... 24 2
Air conditioning menu Calling up ............................................ .161
Air conditioning sy stem
see Climate control Air distribution
Setting ................................................ .159
Setting (multimedia sy stem) ................1 62
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIR BODY CONTROL
Air vents ................................................... 16 9
Ad justing (front) .................................. 16 9
Ad justing (rear) .................................... 17 0
Air vents
see Air vents
Ai r-re circulation mode ............................ 16 3
Air-water duct .......................................... 482
Ke eping free ........................................4 82
Airbag ........................................................ .40
Ac tivation .............................................. 34
Fr ont airbag (driver, front passenger) ....40
Ins tallation locations ............................ .40Knee airbag ........................................... 40
Overview ............................................... 40
PA SSENGER AIR BAG indicator lamp .... .45
Pr otection ..............................................41
Re duced pr otection ...............................42
Side impact airbag ................................ 40
Wi ndow airbag ....................................... 40
Ai rflow
Setting ................................................ .159
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambiance light Setting (multimedia sy stem) ................1 50
Android Auto ............................................ 431
Connecting a mobile phone ................. 432
Control using the application buttons
.............................................................4 33
Ending ................................................. 433
Information .......................................... 432
Overview .............................................. 431 626
Index
¯
AdBlue sy stem fault Engine
st art not possible ................................ 589
¯ AdBlue sy stem fault See Own‐
er's Manual ........................................ .588
5Ad d 1 litre engine oil when next
re fuelling ............................................. 584
Apply brake todeselect Park (P)
position ...............................................5 90
Apply brake toselect R ....................... 590
éAT TENTION ASSIST inoperative ... 568
éAT TENTION ASSIS T:Take a
break! .................................................. 569
bAu tomatic driving lights inoper‐
ative .................................................... 606
Au xilia rybattery malfunction ...............591
Beginning eme rgency stop .................. 572
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ......................573
Blind Spot Assi stinope rative ............... 573Blind Spot Assi
stnot available when
to wing a trailer See Owner's Manual ...5 74
Cann otstart engine See Owner's
Manual ................................................ 582
ÁChan gekey bat teries ...................5 97
J Check brake fluid le vel................ 562
Check brake pads See Owner's Man‐
ual ...................................................... .563
5Che ckeng. oil le v.when next
re fuelling ............................................. 584
ï Checktrailer hitch lo ck(white
display message) .................................5 99
Che cktyre pressu resth en restart
Ru n Flat Indicator ................................ 593
hCheck tyre(s) ............................... 594
!Clean the fuel filter .................... .583
?Coolant Stop vehicle Switch
engine off ............................................ 579
Cruise cont rol and Limiter inope ra‐
tive ...................................................... 577Cruise cont
rol inope rative ................... 577
Cruise cont rol off ................................ 577
! currently una vailable See Own‐
er's Manual ........................................ .555
÷cur rently una vailable See Own‐
er's Manual ........................................ .556
5Engine oil le vel cannot be
measured ............................................ 586
5Engine oil le velRe duce oil le vel...5 85
5Engine oil le velSt op vehicle
Switch engine off ................................ 585
5Engine oil pressure Stop Switch
off engine ............................................ 586
äFa ult Drive at max. 80 km/h .......5 71
6 Front left malfunction Consult
wo rkshop (e xample)............................ 564
Fr ont-passenger airbag disabled See
Owner's Manual ..................................5 65
Fr ont-passenger airbag enabled See
Owner's Manual ..................................5 65 Index
635
Haza
rdwa rning lamps malfunction‐
ing ...................................................... .608
&inoperative Battery low ...............604
&inoperative Refuel vehicle ........... 605
&inoperative See Owner's Man. ....604
!inoperative See Owner's Man‐
ual ....................................................... 556
÷inoperative See Owner's Man‐
ual ....................................................... 557
Tinoperative See Owner's Man‐
ual ....................................................... 558
GInope rative ................................. .567
b Intellige nt Light Sy stem inoper‐
ative ....................................................6 06
ÁKe y not de tected (red displ ay
messa ge).............................................5 98
ÁKe y not de tected (white dis‐
pl ay messa ge)...................................... 597
bLeft dipped beam (Example) .......605 6Left wind
owbag malfunction
Consult workshop (Example) ............... 564
Limiter inoperative ...............................5 78
Limiter passive .................................... 577
 Lowe ring .................................... 569
bMalfunction See Owner's Man‐
ual ....................................................... 605
ðMaximum speed exceeded ..........5 78
Mercedes me connect Services limi‐
te d See Owner's Manual .....................567
Mo tor can be star ted again .................5 82
N permanently active Risk of vehicle
ro lling .................................................. 590
Ø .................................................... 587
çOff .............................................. .576
ë Off............................................... 575
Only select Park (P) when vehicle is
st ationary ............................................ 590
ïOpe ration only possible in
transmission position P .......................601 !
Parking brake See Owner's
Manual ................................................ 559
Place theke y in the mar ked space
See Owner's Manual ...........................598
Please reduce speed ............................ 571
Ý Please wait 48 V battery charg‐
ing ...................................................... .582
PRE-SAFE inope rative See Owner's
Manual ................................................ 567
Ra dar sensors dirty See Owner's
Manual ................................................ 567
_Re ar left seat backrest not
loc ked (Example) .................................6 03
hRe ctify tyre pressure ................... 595
Re duce speed ...................................... 596
ØRe fill Ad Blue See Owne r’s Man‐
ual .......................................................5 87
! Release parking brake .................559
¸Re place air cleaner .....................583636
Index
ÀRe
placekey See Owner's Man‐
ual ...................................................... .596
ÁRe placekey ................................ .597
8 Reser vefuel le vel........................ 583
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 563
Re versing not poss. Consult work‐
shop ....................................................5 91
Risk of vehicle rolling Driver door
open and transmission not in P ...........590
Ru n Flat Indicator inope rative ............. 593
#See Owner's Manual ................... 580
Speed limit (winter tyres) XXX km/h ...578
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 601
ÙSt eering malfunction Stop
immediately See Owner's Manual .......602
St op vehicle Lea veengine running
Wa itTransmission cooling ...................591 #
Stop vehicle Lea veengine run‐
ning ..................................................... 581
#St opvehicle See Owner's Man‐
ual .......................................................5 81
Á Stop vehicle Vehicle too low ........ 570
ç suspended ................................... 576
b Switch off lights .......................... 606
bSwitch on headlamps .................. 606
To shift out of P or N,depress brake
and start engine .................................. 589
To switch off the engine, press
St art/ Stop button for at least 3 sec‐
onds or 3 times. .................................. 580
ØTo p upAdBlue Emergency op.
in XXX miles See Owner's Manual ....... 587
+To p up coolant See Owner ’s
Manual ................................................ 579
¥ Top up washer fluid .................... .604
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ...........575 Tr
af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ......................574
Tr af fic Sign Assi stinope rative ............. 575
ï Trailer coupling extending… ......... 599
Tr ansmission Malfunction Stop ............ 591
!Tu rnon the ignition torelease
th e parking brake ................................ 559
Ty re press. monitor cur rently una vail‐
able .................................................... .593
Ty re press. monitor inoperative ...........593
Ty re press. monitor inoperative No
wheel sensors .................................... .594
Ty re pressure Check tyres ...................592
Ty re(s) ove rheated ...............................5 95
dVe hicle is operational Switch
off ignition before exiting .................... 599
ÁVe hiclerising Please wait............ 570
Á Vehicle rising ...............................5 69
hWa rning tyre defect .....................595
hWheel sensor(s) missing .............. 594 Index
637
Tu
rn signal lights .....................................1 43
Switching on/off ................................. 14 3
TV ............................................................. 308
Ac tivating ............................................ 463
Ad justing the brightness ..................... 469
Calling up the menu (CI+ module) .......4 70
Information .......................................... 462
Overview ............................................. 464
Picture settings ................................... 469
Setting subtitles .................................. 468
Setting the audio language .................. 468
Showing telete xt .................................. 469
Showing/hiding full screen ................. 465
Te lete xt overview ................................. 468
Vo ice commands (LINGU ATRO NIC) .....3 08
TV channel
Ac tivating/deactivating channel fix ..... 466
Channel fix .......................................... 466
Channel li stove rview .......................... .467
Countr y-specific character set ............ 467
EPG (electronic programme guide) ...... 466
Overview of favo urites ........................ .467
Selecting from thech annel list ............ 465
Selecting from the control menu ......... 465
Selecting from thefa vo urites .............. 466 Selecting in
the bac kground ................ 466
St oring .................................................4 67
Tw o-w ayradios
Fr equencies ......................................... 538
No tes on ins tallation .......................... .537
Tr ansmission output (maximum) ........ .538
Ty re inflation compressor
see TIREFIT kit
Ty re pressure ........................................... 51 8
Checking (tyre pressure monitoring
sy stem) ................................................ 519
No tes ................................................... 517
Re starting the tyre pressure loss
wa rning sy stem ................................... 525
Re starting the tyre pressure monitor‐
ing sy stem ...........................................5 20
TIREFIT kit .......................................... .497
Ty re pressure loss warning sy stem
(function) ............................................. 525
Ty re pressure monitoring sy stem
(function) ............................................. 519
Ty re pressure table .............................. 51 8
Ty re pressure loss warning sy stem
Fu nction .............................................. 525 Re
starting ............................................ 525
Ty re pressure moni tor............................. 521
Ty re pressure moni toring sy stem
Checking the tyre pressure .................. 519
Checking the tyre temp erature ............ 519
Fu nction ............................................... 519
Re starting ............................................ 520
Ty re pressure table ................................. .518
Ty re temp erature
Checking (tyre pressure monitoring
sy stem) ................................................ 519
Ty re pressure monitoring sy stem
(function) ............................................. 519
Ty re tread ................................................. 516
Ty re-change tool kit
Overview ............................................ .529
Ty res
Changing hub caps .............................. 531
Checking .............................................. 516
Checking the tyre pressure (tyre
pressure monitoring sy stem) ............... 519
Fitting .................................................. 534
Flat tyre ............................................... 495 Index
663
Inter
changing ...................................... 529
MOExtended tyres .............................. .496
Noise ................................................... 516
No tes on fitting ................................... 526
Re moving ............................................ 533
Re placing .................................... 526, 530
Re starting the tyre pressure loss
wa rning sy stem ................................... 525
Re starting the tyre pressure monitor‐
ing sy stem ...........................................5 20
Selection ............................................. 526
Snow chains ........................................ .516
St oring ................................................ 529
TIREFIT kit ...........................................4 97
Ty re pressure (N otes) ........................... 517
Ty re pressure loss warning sy stem
(function) ............................................. 525
Ty re pressure monitoring sy stem
(function) ............................................. 519
Ty re pressure table .............................. 51 8
Un usual handling characteristics ........ .516 U
Un its of measurement
Setting ................................................ .358 Un
locking setting ...................................... 75
USB port ...................................................1 37
User profile see Profile V
Ve hicle ...................................................... 174
Ac tivating/deactivating standby
mode .................................................. .208
Ad ditional door lock .............................. 78
Cor rect use ........................................... 29
Dama gedetection (pa rking) ................ 207
Data acquisition .................................... 30
Data storage .......................................... 30
Diagnostics connection .........................27
Equipment ............................................. 21
Implied warranty .................................. .29
Locking (auto matically) ......................... .81
Locking (digital vehicle keyst icke r) ....... 79
Locking (from the inside) ....................... 79
Locking (KEYLESS-GO) .......................... 80
Locking (mobile phone) .........................79
Locking/unlocking (emergency key) .... .82
Lo we ring ............................................. 535
Pa rking up .......................................... .207 QR code
rescue card ............................. 29
Qualifi ed specialist workshop ................28
Ra ising ................................................ .531
REA CHregulation ..................................29
Re gistration ...........................................28
St andby mode function ...................... .208
St arting (Digital Vehicle Keyst icke r) .... 173
St arting (eme rgency operation
mode) .................................................. 174
St arting (mobile phone) ...................... .173
St arting (Remo teOnline) ..................... 175
St arting (s tart/s top button) .................1 72
Switching off (s tart/s top button) ........ 19 9
To wing ................................................ .281
Un locking (digital vehicle keyst icke r) .... 79
Un locking (from the inside) ...................79
Un locking (KEYLESS-GO) ...................... .80
Un locking (mobile phone) ...................... 79
Ve ntilating (co nvenience opening) ......... 90
Vo ice commands (LINGU ATRO NIC) ...... 313
Ve hicle data
Angle of app roach/departure ............ .550
Displ aying (DYNAMIC SELECT) ............ 188
Fo rding dep th...................................... 550
Maximum gradient climbing ability ...... 550 664
Index