Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
6 Re stra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is faulty (/ page 30). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or might not
be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, forex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop immediatel y.Seat belt
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion. #
Fasten your seat belt(/ page 34).
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. 498
Display messages and warning/indicator lamps
Ac
tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ad aptive brake lights ..............................186
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 ............................................... 121
Switching on/off ................................. 12 3
Ad Blue ®
.................................................... 433
Ad ditives .............................................4 33
Capacity .............................................. 434
Fill le vel .............................................. .230
No tes ................................................... 16 6
Purity ................................................... 433
Ra nge ................................................. .230
To pping up ...........................................1 66
Ad ditional value range
Setting display content ........................ 228
Ad diti ves.................................................. 434
Ad Blue ®
............................................... 433
Engine oil ............................................ 434 Fu
el ..................................................... 431
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 justable damping ................................ 19 6
Ad justing the balance/ fader
Burmes ter®
sur round sound sy stem ... 360
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 360
Ad justing treble, mid- range and bass
settings
Burmes ter®
sur round sound sy stem ... 359
Ad versewe ather light ............................ .121
Af ter-sales service centre
see ASS YST PLUS
Air inlet see Air-water duct Air pressure
see Tyre pressure
Air vents ................................................... 14 0
Ad justing (front) .................................. 14 0
Ad justing (rear) .................................... 14 0
Air vents
see Air vents
Ai r-re circulation mode ............................ 13 4
Air-water duct .......................................... 381
Ke eping free ........................................3 81
Airbag ........................................................ .36
Ac tivation .............................................. 30
Fr ont airbag (driver, front passenger) ....36
Ins tallation locations ............................ .36
Knee airbag ........................................... 36
Overview ............................................... 36
PA SSENGER AIR BAG indicator lamp .... .40
Pr otection ..............................................37
Re duced pr otection ...............................38
Side impact airbag ................................ 36
Wi ndow airbag ....................................... 36
Alarm see Panic alarm 506
Index
Media sear
ch....................................... 340
Overview ............................................. 336
Pa use and playback function .............. .337
Selecting a track ................................. 337
Selecting pl ayback options .................. 337
Switching on media mode ...................3 35
Tr ack list .............................................. 337
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ..........................11 8
Au tomatic engine start (ECO start/
sto p function) .......................................... 14 8
Au tomatic engine stop (ECO start/
sto p function) .......................................... 14 8
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 .......................................... 39, 40
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 39
PA SSENGER AIR BAG indicator lamp .... .40
Au tomatic lateral support adjustment
Setting ................................................... 92
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .130
Au tomatic transmission
DIRECT SELECT le ver ........................... 15 3
Drive program display .......................... 151
Drive programs .................................... 15 0
DY NA MIC SELECT switch .................... 15 0
Engaging drive position ....................... 15 5
Engaging neutral .................................. 154
Engaging pa rkposition ........................ 154
Engaging reve rsege ar ........................ .154
Kickdown ............................................. 15 6
Manual gear changing ........................ .155
St eering wheel gearshift paddles ........ 15 5
Tr ansmission position display .............. 15 3
Tr ansmission positions ........................ 15 3Au
tomatic transmission (problem)
see Transmission (problem)
Axle load Perm issible .......................................... 427
Tr ailer operation .................................. 441 B
Bag hook .................................................. 107
BA S (Brake Assist Sy stem) .................... .179
Battery Key ........................................................ 73
Re mo tecontrol (s tationary heater) ...... 13 8
Battery see Battery (vehicle)
Battery (vehicle) ...................................... 400
Charging .............................................. 399
No tes .................................................. 396
No tes (s tarting assis tance and
ch arging) ............................................ .397
Re placing ............................................ 400
St arting assis tance .............................. 399
Belt see Seat belt 508
Index
Child seat
App rova l categories .............................. .52
At tach ing (no tes) ................................... 51
Basic instructions .................................. 44
Fr ont passenger seat (no tes) ................. 66
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 65
ISOFIX/i-Size (fitting) ............................58
No tes on risks and dangers ...................45
Re commended child restra int sys‐
te ms ...................................................... 48
Seats suita blefor belt-secu redch ild
re stra int sy stems ................................... 62
Seats suitable for i‑Size child
re stra int sy stems ................................... 57
Seats suitable for ISOFIX child
re stra int sy stems ................................... 54
Secu ring on the front passenger seat ....67
Secu ring on there ar seat ...................... 64
To pTe ther ..............................................60
Child ren
Av oiding dangers in theve hicle .............45
Basic instructions .................................. 44
CI+ module .............................................. 358
Calling up a menu ................................ 358 CI+ module (TV)
Inserting a Smart Card ........................ 358
Cigar ette lighter
Fr ont centre console ............................ 11 2
Re ar .................................................... .112
City lighting .............................................. 121
Cleaning see Care
Climate control Activating/deactivating the A/C
function (cont rol panel) ...................... .133
Ac tivating/deactivating the A/C
function (multimedia sy stem) .............. 13 3
Ac tivating/deactivating the synchro‐
nisation function (multimedia sys‐
te m) ..................................................... 13 4
Air di stribution settings .......................1 34
Air-recirculation mode ......................... 13 4
Au tomatic control ................................ 13 3
Climate style function .......................... 13 4
Demi sting windo ws............................. 13 4
Fr ont air vents ..................................... 14 0
Ionisation ............................................. 13 5
No te .................................................... 13 2Re
ar air vents ...................................... 14 0
Re ar operating unit .............................. 13 2
Re sidual heat ....................................... 13 5
Setting the climate style ......................1 34
St ationary heater/ ventilation .............. 13 5
Switching on/off ................................. 13 3
THERMOTRONIC contro l panel ............13 2
Ve ntilating theve hicle (con venience
opening) ................................................ 79
Wi ndsc reen heating ............................. 13 5
Climate style
Fu nction .............................................. 13 4
Setting ................................................. 13 4
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
COMAND Online see Multimedia sy stem
COMAND Touch
Managing devices ................................ 266
Combination switch .................................11 9
Compass .................................................. 298 Index
511
?Coolant
Stop vehicle Switch
engine off ............................................ 465
Cruise contro l and Limiter inope ra‐
tive ....................................................... 461
Cruise control inope rative ................... 460
Cruise control off ................................ 460
!cu rrently unavailable See Own‐
er's Manual ........................................ .449
÷cur rently una vailable See Own‐
er's Manual ........................................ .443
Desert drive progr. active ESP
una vailable See Owner's Manual .........481
ÿ Differe nt. lo cksys.
Malfunction ......................................... 482
ÿ Differe nt. lo cking sys. cooling
down Please wait................................ 484
Dif fere ntial lo ckactive ABS and ESP
not available ........................................ 480
5Engine oil le vel cannot be
measured ............................................ 466 4Engine oil le
velRe duce oil le vel...4 67
4 Engine oil le velSt op vehicle
Switch engine off ................................. 467
4Engine oil pressure Stop Switch
off engine ............................................ 468
Fa ult Drive at max. 80 km/h ...............458
Fo rding not possible Consult work‐
shop ....................................................4 85
6Fr ont left malfunction Consult
wo rkshop (Example) ............................4 54
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 53
Fr ont-passenger airbag enabled See
Owner's Manual ..................................4 52
Fr ont/re ar differe ntial lo cksystem
malfunction ......................................... 479
Gearbox pr otection Limit 30 km/h
Switch off LOW RANGE ....................... 484
b Hazard warning lamps mal‐
functioning .......................................... 490 &inoperative Bat
tery low .............. .488
&inoperative Refuel vehicle ........... 488
&inoperative See Owner's Man. ....487
! inope rative See Owner's Man‐
ual ....................................................... 450
÷inoperati veSee Owner's Man‐
ual ....................................................... 451
Tinoperati veSee Owner's Man‐
ual ....................................................... 447
G Inoperative .................................. 454
bIntellige nt Light System inoper‐
ative ....................................................4 88
ÁKe y not de tected (red displ ay
messa ge).............................................4 78
Á Key not de tected (white dis‐
pl ay messa ge)...................................... 478
b Left dipped beam (Example) ....... 489
6Left windowbag malfunction
Consult workshop (Example) ............... 451
Limiter inoperative ...............................4 61 Index
515
ESP
®
(Electronic Stability Prog ram) ...... 17 9
Ac tivating/deactivating ...................... .182
Fu nction/no tes ................................... 17 9
EU general operating permit number ....427
Exterior lighting Care .................................................... 386
Exterior lighting see Lights
External device Locking (child saf ety lock) .................. .267 F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Displ aymessa ge
Favo urites
Ad ding .................................................2 57
Calling up ............................................ 256
Deleting .............................................. .257
Moving ................................................ 257
Overview ............................................. 256
Re naming ............................................ 257 Fi
ll le vel
Ad Blue ®
............................................... 230
Fi lling station sear ch
St arting automatic sear ch................... 277
Switching au tomatic sear chon/off ..... 283
Using automatic sear ch....................... 283
Fi re extinguisher ..................................... 393
Firs t-aid kit (soft sided) .......................... 392
Flat towing
see Tow- bar sy stem
Flat tyre ....................................................3 93
No tes .................................................. 393
Spare wheel ........................................3 94
Wheel change ...................................... 419
Floor mats ................................................ 11 6
Fo g light (extended range) ......................1 21
Fo il co vering
Ra dar sensors ...................................... 178
Fo lding back there ar ben chseat ..........1 03
Fr ee software ............................................ 28
Fr equencies
Mobile phone ...................................... 426 Tw
o-w ayradio ...................................... 426
Fr equency band
Dialling (on-board computer) .............. .234
Fr ont airbag (driver, front passenger) .....36
Fu el .......................................................... .431
Ad ditives .............................................. 431
Diesel .................................................. 431
E10 ...................................................... 430
Fu elreser ve ........................................ 433
Low outside temp eratures ...................4 31
Pe trol ................................................... 430
Quality (diesel) ..................................... 431
Quality (p etro l) .................................... 430
Re fuelling ............................................ 16 2
Sulphur content ................................... 430
Ta nk content ....................................... 433
Fu el consum ption
On-board computer ............................ .231
Fu nction seat
see Door cont rol panel
Fu ses ........................................................ 405
Before replacing a fuse ........................ 405
Fu se assignment diagram ...................4 05
Fu se box in the engine compartment .. 406 520
Index
Internet
radio
Calling up ............................................ 332
Deleting stations ................................ .333
Logging out ......................................... 333
Overview ............................................. 332
Re gis tering .......................................... 333
Saving stations .................................... 333
Selecting and connecting toast ation
............................................................ .333
Selecting stre am ................................ .333
Setting options ................................... .333
Te rm s of use ........................................3 33
Ionisation Activating/deactivating (multimedia
sy stem) ................................................ 13 5
iPhone ®
see Apple CarPlay™
see Mercedes-Benz Link
ISOFIX child seat securing sy stem
Fitting .................................................... 58
Seats suitable for attaching ................... 54 J
Jack Declaration of conformity ......................23
Storage location ................................... 41 8
Jump-start connection ............................399
Gene ral no tes ...................................... 397 K
Ke y.............................................................. 71
Ac oustic locking verification signal ........ 72
Battery ................................................... 73
Emergency key ...................................... 73
Energy consumption .............................. 72
Fe atures ................................................ 71
Ke yring attachment .............................. 73
Overview ................................................ 71
Pa nic alarm ............................................ 72
Problem .................................................74
Un locking setting .................................. .72
Ke y functions
Deactivating .......................................... 72
Kickd own.................................................1 56
Using ................................................... 15 6Knee airbag
................................................ 36 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
Language .................................................. 267
No tes ................................................... 267
Setting .................................................2 67
LED light see In telligent Light Sy stem
Light switch Overview ..............................................1 17
Lighting see In terior lighting
see Lights
Lights ........................................................ 11 7
Ac tive headla mps ................................ 12 0 Index
523
Ne
arField Communication (NFC) .......... 306
Connecting the mobile phone tothe
multimedia sy stem .............................. 306
Information .......................................... 306
Switching Blue tooth ®
audio equip‐
ment .................................................... 346
Swit ching mobile phones .................... 306
Using a mobile phone .......................... 306
Ne utral
Engaging .............................................. 154
NFC see Near Field Communication (NFC)
No n-operational time
Ac tivating/deactivating standby
mode .................................................. .177
St andby mode function ........................ 17 7O
Occupant saf ety
Pe ts in theve hicle ................................. 69
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff see PRE-SAFE
®
(anticipatory occu‐
pant pr otection)
see Restra int sy stem
see Seat belt
Odome ter
see Total dis tance
Off-road drive prog ram
see G-Mode
Off-road driving ....................................... 14 5
Off-road driving see Off-road driving
Off-road ESP ®
see Desert
Oil see Engine oil
On-board computer ................................. 226
Assis tant display menu ........................ 230
Displ aying the service due date ........... 374
Media menu ........................................2 34
Menu designs ...................................... 228
Menu overview .................................... 226
Multifunction display .......................... .229
Na vigation menu ................................. 232 Operating ............................................ 226
Ra
dio menu .........................................2 34
Service menu ...................................... 230
Te lephone menu .................................. 235
Tr ip menu ............................................ 231
On-boa rddiagno stics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .425
No tes .................................................. 425
Tw o-w ayradios .................................... 425
Open-source software .............................. 28
Operating fluids AdBlue ®
............................................... 433
Ad ditives (fuel) .....................................4 31
Brake fluid .......................................... .435
Coolant (engine) .................................. 435
Engine oil ............................................ 434
Fu el (diesel) ......................................... 431
Fu el (petrol) ......................................... 430
No tes .................................................. 429
Wi ndsc reen washer fluid .................... .436 528
Index