Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions &
WARNING Risk of inju rydue tomalfunctions 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 may not
deploy as intended during 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
lights up The
red seat belt warning lamp will light up once the engine has star ted.
In addition, a warning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt (/ page41).
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit. Display messa
ges and warning/indicator lamps 671
Ad
justing the mid- range, treble and
bass
Burmes ter®
high-end 3D sur round
sound sy stem ....................................... 51 8
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ....5 17
Ad justing the sound optimisation
Burmes ter®
high-end 3D sur round
sound sy stem ....................................... 51 8
Ad justing treble, mid- range and bass
settings
Burmes ter®
high-end 3D sur round
sound sy stem ....................................... 51 8
Burmes ter®
sur round sound sy stem ....5 16
ADS PLUS da mping sy stem
see AIRMATIC
Af ter-sales service centre
see ASS YST PLUS
Air conditioning menu Calling up ............................................ 17 7
Air conditioning sy stem
see Climate control Air distribution
........................................ .175
Setting (multimedia sy stem) ................1 78
Air freshener sy stem
see Frag rance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIRMATIC
Air vents ................................................... 186
Ad justing (front) .................................. 186
Ad justing (rear) .................................... 187
Glo vebox .............................................1 88
Air vents
see Air vents
Ai r-re circulation mode ............................ 17 9
Air-water duct .......................................... 538
Ke eping free ........................................5 38
Airbag ........................................................ .42
Ac tivation .............................................. 37
Fr ont airbag (driver, front passenger) ....42
Ins tallation locations ............................ .42Knee airbag ........................................... 42
Overview ............................................... 42
PA SSENGER AIR BAG indicator lamp .... .47
Pr otection ..............................................44
Re duced pr otection ...............................45
Side impact airbag ................................ 42
Wi ndow airbag ....................................... 42
Ai rflow ...................................................... 175
AIRM ATIC ................................................ .262
Setting ................................................. 265
Suspension .......................................... 262
Alarm see Panic alarm
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambiance light Setting (Rear Seat En tertainment
Sy stem) ............................................... 525 Index
681
Au
thorised workshop
see Qualified specialist workshop
Au tomatic car wash mode
Ac tivating ............................................ 540
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................15 8
Au tomatic engine start (ECO start/
sto p function) .......................................... 19 8
Au tomatic engine stop (ECO start/
sto p function) .......................................... 19 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 ........................................... 46, 47
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 46
PA SSENGER AIR BAG indicator lamp .... .47
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .173 Au
tomatic seat adjustment
Setting ................................................ .123
Au tomatic transmission
DIRECT SELECT le ver ......................... .205
Drive program display ......................... 204
Drive programs ................................... .203
DY NA MIC SELECT switch .................... 203
Engaging drive position ....................... 207
Engaging neutral ................................. 206
Engaging park position ........................ 207
Engaging reve rsege ar ........................ .206
Kickdown ............................................ 209
Manual gear changing ........................ .207
St eering wheel gearshift paddles ........ 207
Tr ansmission position display .............. 205
Tr ansmission positions ........................ 205
Axle load Perm issible .......................................... 595
Tr ailer operation .................................. .610 B
Bag hook .................................................. 14 5
Baidu CarLife Trans ferred vehicle data ......................4 75Ball ne
ck
Extending/r etra cting ........................... 312
BA S (Brake Assist Sy stem) .................... .229
Battery Key ........................................................ 84
Re mo tecontrol (s tationary heater) ...... 185
Battery see Battery (vehicle)
Battery (vehicle) ...................................... 562
Charging .............................................. 561
No tes ................................................... 557
No tes (s tarting assis tance and
ch arging) ............................................ .559
Re placing ............................................ 562
St arting assis tance .............................. 561
Belt see Seat belt
Bic ycle rack
Tr ailer operation .................................. .316
Blind Spot Assi st..................................... 306
Ac tivating/deactivating ...................... .309
Fu nction .............................................. 306
Sy stem limitations ...............................3 06 Index
683
Calling up
the sound menu
Burmes ter®
high-end 3D sur round
sound sy stem ....................................... 51 8
Burmes ter®
sur round sound sy stem ....5 16
Calls .......................................................... 460
Ac cepting ............................................ 460
Ac tivating functions du ring a call ......... 461
Calls wi thseveral participants ............ .461
Declining ............................................. 460
Ending a call ........................................ 460
In Car Of fice ........................................ 469
Incoming call du ring an existing call .... 461
Making ................................................ 460
Mercedes me connect ........................ .477
Camera see 360° Camera
see Reversing camera
Car key
see Key
Car telephony
see Telephone
Car wash
see Care
Car wash (care) ....................................... 538 Car-to-X-Communication
Displaying hazard warnings ................ .435
Overview ............................................. 435
Sending haza rdwa rnings .................... 436
Care .......................................................... 547
Air-water duct ...................................... 538
Car wash ............................................. 538
Carpet .................................................5 47
Deco rative foil .................................... .543
Displ ay................................................. 547
Exhaust pipes ...................................... 545
Exterior lighting ................................... 545
High-pressu recleaner ......................... 540
Pa int wo rk ............................................ 542
Plastic trim .......................................... 547
Re alwo od/trim elements .................... 547
Re versing camera/360° Camera ........ 545
Ro of lining ...........................................5 47
Seat belt .............................................. 547
Seat co ver ........................................... 547
Senso rs............................................... 545
Tr ailer tow hit ch................................... 545
Wa shing byhand ..................................5 41
Wheels/rims ....................................... 545
Wi ndo ws .............................................. 545Wi
per blades .......................................5 45
Carpet (Care) ............................................ 547
Changing gears ........................................ 207
Manually .............................................. 207
Changing the lights
Driving abroad (symm etrical dipped
beam) .................................................. 157
Cha rging
Bat tery (vehicle) ...................................5 61
Mobile phone (wireless) ....................... 154
USB port ..............................................1 53
Child saf ety lock
Ac tivating/deactivating (multimedia
sy stem) ................................................ 394
Re ar door .............................................. 79
Re ar side wind ows ................................. 80
Child seat Appr oval categories .............................. .59
At tach ing (no tes) ................................... 58
Basic instructions ..................................52
Fr ont passenger seat (no tes) ................. 77
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 76
ISOFIX/i-Size (fitting) ............................ 67 Index
685
4Engine oil le
velRe duce oil le vel...6 43
4Engine oil le velSt op vehicle
Switch engine off ................................ 642
4 Engine oil pressure Stop Switch
off engine ............................................ 643
Fa ult Drive at max. 80 km/h ...............636
6Fr ont left malfunction Consult
wo rkshop (Example) ............................6 20
Fr ont-passenger airbag disabled See
Owner's Manual ................................... 621
Fr ont-passenger airbag enabled See
Owner's Manual ..................................6 22
b Hazard warning lamps mal‐
functioning .......................................... 663
&inoperative Bat tery low ................ 661
&inoperative Refuel vehicle ........... 662
&inoperative See Owner's Man. ..... 661
!inoperative See Owner's Man‐
ual ........................................................ 61 3÷
inope rative See Owner's Man‐
ual ....................................................... .614
T inope rative See Owner's Man‐
ual ....................................................... .615
G Inoperative .................................. 625
bIntellige nt Light System inoper‐
ative ....................................................6 64
Á Key not de tected (red displ ay
messa ge).............................................6 56
ÁKe y not de tected (white displ ay
messa ge).............................................6 55
bLeft dipped beam (Example) ....... 662
6Left wind owbag malfunction
Consult workshop (Example) ............... 621
Limiter inoperative .............................. 636
Limiter passive .................................... 636
 Lowe ring .................................... 626
bMalfunction See Owner's Man‐
ual ....................................................... 662
ðMaximum speed exceeded ..........6 36 Mercedes me connect Services limi‐
te
d See Owner's Manual .....................624
Mo tor can be star ted again .................6 39
N permanently active Risk of vehicle
ro lling .................................................. 647
ç Off............................................... 635
ëOff ............................................... 633
Only select Park (P) when vehicle is
st ationary ............................................ 648
ï Operation only possible in
transmission position P ....................... 658
!Pa rking brake See Owner's
Manual ................................................ .616
Á Place theke y in the mar ked
space See Owner's Manual ................. 656
KPlease check direction of tr avel ...... 631
Please reduce speed ...........................6 27
Û Please wait Charging high- volt‐
age battery .......................................... 640 Index
691
Fr
equencies
Mobile phone ...................................... 594
Tw o-w ayradio ...................................... 594
Fr equency band
Dialling (on-board computer) .............. .329
Fr ont airbag (driver, front passenger) .....42
Fr ont passenger seat
Ad justing from the driver's seat ........... 11 5
Ad justing from there ar ........................ 11 5
Fu el .......................................................... .600
Ad ditives .............................................6 00
Diesel ................................................. .600
E10 ...................................................... 599
Fu elreser ve ......................................... 601
Low outside temp eratures ...................6 00
Pe trol ................................................... 599
Quality (diesel) .................................... 600
Quality (p etro l) .................................... 599
Re fuelling ............................................. 212
Sulphur content ................................... 599
Ta nk content ........................................ 601
Fu el consum ption
On-board computer ............................ .326 Fu
el consum ption indicator
Calling up ............................................ 205
Fu nction seat
see Door cont rol panel
Fu nction seat (rear)
see Seat (rear)
Fu ses ........................................................ 567
Before replacing a fuse ........................ 567
Fu se assignment diagram .................... 567
Fu se box in the engine compartment .. 567
Fu se box in the front passenger foot‐
we ll ...................................................... 568
Fu se box in the load compartment ...... 568
Fu se box on the dashboard ................. 568
No tes ................................................... 567 G
Garage door opener Cleari ngthe memory ........................... 222
Opening or closing the door ................2 22
Programming buttons .......................... 220
Ra dio equipment appr oval numbers .... 223
Re solving problems ............................. 221
Synchronising thero lling code ............ .221 Gearshift
recommendation .................... 208
General operating permit number
(EU) .......................................................... .595
Genuine parts ............................................ 23
Glide mode ............................................... 209
Global sear ch
Fu nction .............................................. 377
Overview ..............................................3 76
Glo vebox
Air vent ................................................ 188
Locking/unlocking .............................. 13 4 H
Handbrake see Electric parking brake
Handling characteristics (unusual) .......570
HANDS-FREE ACCESS ................................ 94
Hazard warning lights ............................ .159
HD prog rammes
see CI+ module
Head restra int
Fr ont (adjusting mechanically) .............1 20 Index
697
Seats suitable
for attaching ................... 61J
Jack Declaration of conformity ......................29
St orage location ..................................5 83
Jump-start connection ............................ 561
Gene ral no tes ...................................... 559 K
Ke y.............................................................. 82
Ac oustic locking verification signal ....... 83
Battery .................................................. 84
Emergency key ...................................... 84
Energy consumption .............................. 84
Fe atures ................................................ 82
Ke yring attachment .............................. 84
Overview ............................................... 82
Pa nic alarm ........................................... 83
Problem ................................................. 86
Un locking setting .................................. 83
Ke y functions
Deactivating .......................................... 84KEYLESS-GO
Locking theve hicle ................................ 89
Problem .................................................90
Un locking setting .................................. 83
Un locking theve hicle ............................89
Kickd own.................................................2 09
Using ................................................... 209
Knee airbag ................................................ 42 L
Laden Bag hook ............................................. 14 5
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 .................................................3 95
No tes .................................................. 395
Setting .................................................3 95LED light
see Intelligent Light Sy stem
Le vel control sy stem
see ACTIVE BODY CONTROL
see AIRMATIC
Light switch Overview .............................................. 157
Lighting see In terior lighting
see Lights
Lights ........................................................ 157
Ac tive headla mps ................................ 16 0
Ad aptive Highbeam Assist Plus .......... .162
Ad justing the instrument lighting ......... 324
Au tomatic driving lights ....................... 15 8
Combination swit ch............................. 15 8
Corne ring light ..................................... 16 0
Driving ab road (symm etrical dipped
beam) .................................................. 157
Fo g light (extended range) ................... 161
Haza rdwa rning lights .......................... 15 9
Headla mpflasher ................................ 15 8
High beam ........................................... 15 8
Intellige nt Light Sy stem ....................... 16 0700
Index
Na
vigation announcements
Ac tivating/deactivating ...................... .428
Ad justing thevo lume .......................... .428
Re peating ............................................ 429
Switching audio fadeout on/off .......... 428
Na vigation messages
On-board computer ............................. 327
Ne arField Communication (NFC) .......... 455
Connecting the mobile phone tothe
multimedia sy stem .............................. 455
General information ............................4 55
Locking theve hicle (digital vehicle
ke yst icke r) ............................................ 88
Locking theve hicle (mobile phone) .......88
St arting theve hicle (Digital Vehicle
Ke yst icke r) .......................................... 191
St arting theve hicle (mobile phone) ..... 191
Switching mobile phones .................... 455
Un locking theve hicle (digital vehicle
ke yst icke r) ............................................ 88
Un locking theve hicle (mobile phone) ....88
Using a mobile phone .......................... 455
Ne utral
Engaging ............................................. 206 NFC
see Near Field Communication (NFC)
No n-operational time
Ac tivating/deactivating standby
mode .................................................. .228
St andby mode function ...................... .227
No tifications Centre ................................ 374
Calling up a notification ...................... .375
Editing a notification ............................ 376
Global sear ch(ove rview) ...................... 376
Noti fication types ................................ 374
Overview ..............................................3 74
Selecting actions for a notification ..... .375
Using theglobal sear ch....................... 377 O
Occupant saf ety
Pe ts in theve hicle ..................................81
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection) see PRE-SAFE
®
Impulse Side
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
see Restra int sy stem
see Seat belt
Odome ter
see Total dis tance
Off-road Assi st
Setting ................................................. 278
Off-road driving ....................................... 19 5
Off-road driving see Off-road driving
Off-road ESP ®
(Electronic Stability
Prog ram)
Fu nction/no tes ................................... 233
Switching on/off ................................. 234
Off-road light ............................................ 161
Oil see Engine oil
On-board computer ................................. 320
Assis tant displ aymenu ........................ 325
Displaying the service due date ........... 531
Head-up display menu .........................3 31706
Index