Page 649 of 697

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 is swivelling. &
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. #
Notethe messages on the multifunction displa y.
If th e trailer hitch is swivelling: #
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. 646
Displaymessa ges and warning/indicator lamps
Page 650 of 697
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
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. #
Consult a qualified specialist workshop. #
Notethe messages on the multifunction displa y. Displ
aymessa ges and warning/indicator lamps 647
Page 651 of 697

1,
2, 3 ...
4MATIC ..................................................... 201
Fu nction .............................................. 201
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 .................................... 24
230 V soc ket
see Soc ket (230 V)
360° Camera ........................................... 275
Fu nction .............................................. 275
Opening the camera co ver (r eve rsing
camera) .............................................. .278
Selecting a view ................................... 278
Setting favo urites ................................ 278
Switching au tomatic operation
on/off (r eversing camera) .................. .278 A
A/C function Activating/deactivating (multimedia
sy stem) ................................................ 167
Switching on/off (control panel) .......... 167
ABS (Anti-lock Braking Sy stem) ............ .218
Ac celeration
see Kickdown
Ac cess data
Setting (Blue tooth®
) ............................ 467
Ac cident and breakdown manage‐
ment
Mercedes me connect ........................ .457
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 79
Ac tivating/deactivating automatic
vo lume adjustment
Burmes ter®
sur round sound sy stem ....4 87
Ac tive Blind Spot Assi st......................... 290
Ac tivating/deactivating ...................... .293
Brake application ................................. 292
Fu nction .............................................. 290
Sy stem limitations ...............................2 90Tr
ailer operation .................................. 292
Ac tive Brake Assi st
Fu nction/no tes ................................... 224
Setting .................................................2 30
Ac tive Di stance Assist DISTRO NIC........ 236
Ac tive Emergency Stop Assist .............2 46
Ac tive Lane Change Assi st.................. 24 5
Calling up a speed .............................. .238
Displ ays in the instrument display .......2 47
Fu nction .............................................. 236
Increasing/decreasing speed .............. 238
Re quirements: .................................... .238
Ro ute-based speed adap tation ........... .241
Selecting ............................................. 238
St eering wheel buttons ....................... 238
St oring a speed ................................... 238
Switching off/deactivating .................. 238
Switching on/activating ......................2 38
Sy stem limitations ...............................2 36
Ac tive Eme rgency Stop Assist ...............246
Ac tive headlamps .................................... 14 9
Ac tive Lane Change Assi st..................... 24 5
Ac tivating/deactivating ...................... .246
Fu nction .............................................. 24 5648
Index
Page 652 of 697

Ac
tive Lane Keeping Assist .................... 294
Ac tivating/deactivating ...................... .296
Ac tivating/deactivating thewa rning .. .296
Fu nction .............................................. 294
Setting the sensitivity .......................... 296
Sy stem limits ....................................... 294
Tr ailer operation .................................. 294
Ac tive Parking Assist .............................. 279
Cross Traf fic Alert ............................... 284
Drive AwayAssi st................................ 283
Exiting a pa rking space ...................... .282
Fu nction .............................................. 279
Manoeuvring assis tance ...................... 284
Pa rking ................................................ 280
Sy stem limitations ...............................2 79
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 24 0
Displ ay................................................. 24 0
Fu nction .............................................. 24 0
Ac tive Steering Assist ............................ .243
Ac tivating/deactivating ...................... .244
Ac tive Emergency Stop Assist .............2 46
Ac tive Lane Change Assi st.................. 24 5Displ
ays in the instrument display .......2 47
Fu nction .............................................. 24 3
Sy stem limitations ...............................2 43
Ac tive Traf fic Jam Assist
Ac tivating/deactivating ...................... .247
Fu nction .............................................. 247
Ad aptive brake lights .............................. 230
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist
Fu nction ............................................... 151
Switching on/off ................................. 15 2
Ad aptive Highbeam Assist Plus
Switching on/off ................................. 154
Ad Blue ®
.................................................... 566
Ad ditives .............................................5 66
Capacity .............................................. 567
Fill le vel ................................................ 310
No tes .................................................. 205
Purity ................................................... 566
Ra nge .................................................. 310To
pping up ...........................................2 06
Ad ditional door lo ck.................................. 82
Ad diti ves.................................................. 568
Ad Blue ®
............................................... 566
Engine oil ............................................ 568
Fu el ..................................................... 565
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®
sur round sound sy stem ....4 87
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 488
Ad justing treble, mid- range and bass
settings
Burmes ter®
sur round sound sy stem ....4 87 Index
649
Page 653 of 697

ADS PLUS da
mping sy stem
see AIRMATIC
Af ter-sales service centre
see ASS YST PLUS
Air conditioning menu Calling up ............................................. 167
Air conditioning sy stem
see Climate control
Air distribution Setting ................................................ .165
Setting (multimedia sy stem) ................1 68
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIRMATIC
Air vents ................................................... 176
Ad justing (front) ................................... 176
Ad justing (rear) .................................... 17 7
Glo vebox .............................................1 77Air
vents
see Air vents
Ai r-re circulation mode ............................ 16 9
Air-water duct .......................................... 502
Ke eping free ........................................5 02
Airbag ........................................................ .42
Ac tivation .............................................. 37
Fr ont airbag (driver, front passenger) ....42
Ins tallation locations ............................ .42
Knee 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
Setting ................................................ .165
AIRMATIC ................................................. .251
Setting ................................................. 254
Suspension .......................................... 251
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) ............................................... 492
Ambient lighting Setting (multimedia sy stem) ................1 55
Android Auto ............................................ 452
Connecting a mobile phone ................. 452
Control using the application buttons
.............................................................4 53
Ending ................................................. 453
Information .......................................... 452
Overview ............................................. 452
Sound settings ................................... .453
Tr ans ferred vehicle data ......................4 54
Animals Pets in theve hicle ..................................76
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem) 650
Index
Page 654 of 697

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 .............................. 82
Immobiliser .........................................1 04
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 ®
........................................4 50
Connecting an iPhone ®
....................... 451
Control using the application buttons
.............................................................4 51
Ending ................................................ .451
No tes ................................................... 451
Overview ............................................. 450
Sound settings .....................................4 51
Tr ans ferred vehicle data ......................4 54Asht
ray
Fr ont centre console ........................... 14 0
Assistance Menu (on-board co mputer) .................. 310
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS ........................................... 495
Battery disconnection pe riods .............4 96
Displ aying the service due date ........... 495
Fu nction/no tes ................................... 495
Re gular maintenance work .................. 495
Special service requirements .............. 495
ATA (anti-theft ala rmsystem) ................ .104
Deactivating the alarm ........................ 105
Fu nction .............................................. 104
Fu nction of interior pr otection .............1 06
Priming/deactivating interior pr otec‐
tion ...................................................... 107
Priming/deactivating tow- aw ay pro‐
te ction ................................................. 106
To w- aw ay protection function .............. 105
AT TENTION ASSI ST......................... 285, 286
Fu nction .............................................. 285
Setting ................................................. 286 Sy
stem limitations ...............................2 85
At tention assistant
see ATTENTION ASSIST
Au thorised workshop
see Qualified specialist workshop
Au tomatic car wash mode
Ac tivating ............................................ 504
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................147
Au tomatic engine start (ECO start/
sto p function) .......................................... 189
Au tomatic engine stop (ECO start/
sto p function) .......................................... 189
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 Index
651
Page 655 of 697

PA
SSENGER AIR BAG indicator lamp .... .47
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .162
Au tomatic seat adjustment
Setting ................................................. 11 4
Au tomatic transmission
DIRECT SELECT le ver ........................... 197
Drive program display .......................... 19 5
Drive programs .................................... 194
DY NA MIC SELECT switch ..................... 194
Engaging drive position ....................... 19 9
Engaging neutral .................................. 19 8
Engaging pa rkposition ........................ 19 8
Engaging reve rsege ar ........................ .198
Kickdown ............................................ 200
Manual gear changing ........................ .199
St eering wheel gearshift paddles ........ .199
Tr ansmission position display .............. 197
Tr ansmission positions ........................ 197
Axle load Perm issible .......................................... 560
Tr ailer operation .................................. 576 B
Bag hook .................................................. 13 2
Ball ne ck
Extending/r etra cting ........................... 297
BA S (Brake Assist Sy stem) .................... .218
Battery Charging (Remo teOnline) .................... 183
Ke y ........................................................ 80
Re mo tecontrol (s tationary heater) ...... 174
Battery see Battery (vehicle)
Battery (vehicle) ...................................... 526
Charging .............................................. 525
Charging (Remo teOnline) .................... 183
No tes ................................................... 521
No tes (s tarting assis tance and
ch arging) ............................................ .523
Re placing ............................................ 526
St arting assis tance .............................. 525
Belt see Seat belt
Bic ycle rack
Tr ailer operation .................................. 301 Blind Spot Assist
.................................... .290
Ac tivating/deactivating ...................... .293
Fu nction .............................................. 290
Sy stem limitations ...............................2 90
Blo wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
............................................... 377
Information ..........................................3 76
Setting up an Internet connection ....... 467
Switching on/off ................................. 377
Boot lid see Tailgate
Brake Assist Sy stem
see BAS (Brake Assi stSystem)
Brake fluid Notes .................................................. 569
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 224
Brakes ABS (Anti-lock Braking Sy stem) ........... 218652
Index
Page 656 of 697

Ac
tive Brake Assi st.............................. 224
Ad aptive brake lights .......................... .230
BA S (Brake Assi stSystem) ...................2 18
Driving tips .......................................... 184
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 224
HOLD function .....................................2 49
Limi ted braking ef fect (salt-trea ted
ro ads) .................................................. 184
New/replaced brakepads/brake
discs .................................................... 184
Ru nning-in no tes ..................................1 84
Braking assistance see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions .............. 18
To w- starting ........................................ .531
To wing away ........................................ 527
Tr ansporting theve hicle ......................5 29
Wheel change ...................................... 547
Breakdown see Flat tyre
Burmes ter®
sur round sound sy stem .....4 87
Ad justing the balance/fader ............... 487 Ad
justing the sound focus ................... 488
Ad justing treble, mid-range and bass
settings ............................................... 487
Au tomatic volume adjustment ............ .487
Calling up the sound menu .................. 487
Information .......................................... 487
Selecting the sound profile .................. 488
Butto ns
St eering wheel .................................... 305 C
Call list Deleting ............................................... 443
Making a call ....................................... 442
Overview ............................................. 442
Selecting options ................................ 442
Selecting options for suggestions ....... 442
Calling up the sound menu
Burmes ter®
sur round sound sy stem ....4 87
Calls .......................................................... 437
Ac cepting ............................................ 437
Ac tivating functions du ring a call ........ 438
Calls wi thseveral participants ............ .438
Declining ............................................. 437 Ending a call ........................................ 437
Incoming call during an existing call .... 438
Making ................................................ 437
Mercedes me ...................................... 454
Camera see 360° Camera
see Reversing camera
Car key
see Key
Car telephony
see Telephone
Car wash
see Care
Car wash (care) ....................................... 502
Car-to-X-Communication Displaying hazard warnings .................. 414
Overview ..............................................4 13
Sending hazard warnings .................... .414
Care .......................................................... .511
Air-water duct ...................................... 502
Car wash ............................................. 502
Carpet .................................................. 511
Deco rative foil .................................... .507 Index
653