
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Obser vethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop.
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (→ page 407). #
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. Display messages and
warning/indicator lamps 541

Ac
tive Lane Keeping Assist .................... 250
Ac tivating/deactivating ...................... .252
Fu nction .............................................. 250
Sy stem limitations ...............................2 50
Ac tive Parking Assist .............................. 232
Cross Traf fic Alert ................................ 24 2
Drive AwayAssi st................................ 24 2
Exiting a pa rking space ...................... .235
Fu nction .............................................. 232
Manoeuvring assi stance ...................... 24 3
Pa rking ................................................ 233
Sy stem limitations ...............................2 32
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 208
Display ................................................ 208
Fu nction .............................................. 208
Ac tive Steering Assist ............................ .211
Ac tivating/deactivating ...................... .213
Ac tive Emergency Stop Assist .............. 214
Ac tive Lane Change Assi st................... 213
Displ ays in the instrument display .......2 15
Fu nction ............................................... 211
Sy stem limitations ...............................2 11Ad
aptive brake lights .............................. 201
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 .............................................. 13 3
Switching on/off ................................. 13 4
Ad Blue ®
.................................................... 470
Ad ditives .............................................. 470
Capacity .............................................. 470
Fill le vel .............................................. .265
No tes ................................................... 178
Purity ................................................... 470
Ra nge .................................................. 265
To pping up ...........................................1 79
Ad ditional door lo ck.................................. 75
Ad ditional value range
Setting display content ........................ 263
Ad diti ves.................................................. 471
Ad Blue ®
............................................... 470
Engine oil ............................................. 471
Fu el ..................................................... 468 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®
high-end 3D sur round
sound sy stem ...................................... 399
Burmes ter®
sur round sound sy stem ... 398
Ad justing the bass, mid- range and
treble
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 399
Ad justing the mid- range, treble and
bass
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 399
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 398 546
Index

Ad
justing the sound optimisation
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 399
Ad justing treble, mid- range and bass
settings
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 399
Burmes ter®
sur round sound sy stem ... 398
ADS PLUS damping sy stem
see AIR BODY CONTROL
Ad versewe ather light ............................ .133
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ .218
Setting ................................................. 220
Suspension .......................................... 218
Air conditioning sy stem
see Climate control
Air distribution Setting ................................................ .145
Air freshener sy stem
see Frag rance sy stem Air inlet
see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIR BODY CONTROL
Air vents ................................................... 15 5
Ad justing (front) .................................. 15 5
Ad justing (rear) .................................... 15 5
Ad justing the AIRSCARF vents ............. 15 6
Glo vebox .............................................1 56
Air vents
see Air vents
Ai r-re circulation mode ............................ 14 8
Air-water duct .......................................... 408
Ke eping free ........................................4 08
Airbag ........................................................ .38
Ac tivation .............................................. 31
Fr ont airbag (driver, front passenger) ....38
Ins tallation locations ............................ .38
Knee airbag ........................................... 38
Overview ............................................... 38
PA SSENGER AIR BAG indicator lamp .... .42Pr
otection ..............................................38
Re duced pr otection ...............................40
Side impact airbag ................................ 38
Wi ndow airbag ....................................... 38
Ai rflow
Setting ................................................ .145
AIRSCARF Adjusting the outlets ........................... 15 6
Switching on/off ................................. 108
Alarm see Panic alarm
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambient lighting Setting (multimedia sy stem) ................1 35
Android Auto ............................................ 356
Connecting a mobile phone ................. 356
Ending ................................................. 357
Information .......................................... 356 Index
547

Au
tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................12 9
Au tomatic engine start (ECO start/
sto p function) .......................................... 16 5
Au tomatic engine stop (ECO start/
sto p function) .......................................... 16 5
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 .......................................... 40, 42
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 40
PA SSENGER AIR BAG indicator lamp .... .42
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .142
Au tomatic transmission
DIRECT SELECT le ver ........................... 171
Drive program display .......................... 17 0
Drive programs .................................... 16 9DY
NA MIC SELECT switch .................... 16 9
Engaging drive position ........................ 172
Engaging neutral .................................. 172
Engaging pa rkposition ........................ 172
Engaging reve rsege ar ........................ .172
Kickdown ............................................. 174
Manual gear changing .......................... 173
St eering wheel gearshift paddles ........ .173
Tr ansmission position display .............. 171
Tr ansmission positions ........................ 171
Axle load Perm issible .......................................... 463
Tr ailer operation .................................. 477 B
Bag hook ................................................... 11 8
Ball ne ck
Fo lding out/in .................................... .254
BA S (Brake Assist Sy stem) .................... .191
Battery Charging (Remo teOnline) .................... 16 2
Ke y ........................................................ 73
Re mo tecontrol (s tationary heater) ...... 15 3Battery
see Battery (vehicle)
Battery (vehicle) ...................................... 431
Charging .............................................. 430
Charging (Remo teOnline) .................... 16 2
No tes .................................................. 426
No tes (s tarting assis tance and
ch arging) ............................................ .428
Re placing .............................................4 31
St arting assis tance .............................. 430
Belt see Seat belt
Bic ycle rack
Tr ailer operation .................................. 257
Blind Spot Assist .................................... .247
Ac tivating/deactivating ...................... .250
Fu nction .............................................. 247
Sy stem limitations ...............................2 47
Blo wer
see Climate control
BlueTEC see AdBlue ® Index
549

Blue
tooth ®
............................................... 300
Information .......................................... 300
Setting up an Internet connection ....... 366
Switching on/off ................................. 300
Switching profile (DUN/PAN) .............. 366
Blue tooth ®
audio
Ac tivating ............................................ 384
De-authorising (de-regis tering) the
device .................................................. 384
Information .......................................... 382
Overview .............................................3 82
Sear ching for a track ........................... 384
Sear ching for and auth orisingthe
device .................................................. 383
Selecting a media pla yer ..................... 384
Switching device via NFC .................... 384
Boot lid Activating/deactivating theta ilgate
opening limiter ...................................... 85
Closing .................................................. 81
HANDS-FREE ACCESS .......................... .83
Locking separa tely ................................ 84
Opening .................................................80
Opening dimensions ............................4 74Brake Assi
stSystem
see BAS (Brake Assi stSystem)
Brake fluid
No tes ................................................... 472
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 19 5
Brakes ABS (Anti-lo ckBraking Sy stem) ........... 19 0
Ac tive Brake Assi st.............................. 19 6
Ad aptive brake lights .......................... .201
BA S (Brake Assi stSystem) ...................1 91
Driving tips .......................................... 16 3
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 19 5
HOLD function .................................... .217
Limited braking ef fect (salt-trea ted
ro ads) .................................................. 16 3
New/replaced brakepads/brake
discs .................................................... 16 2
Ru nning-in no tes ..................................1 62
Braking assi stance
see BAS (Brake Assi stSystem) Breakdown
Overview of the help functions .............. 16
To w- starting ........................................ 437
To wing away ........................................ 433
Tr ansporting theve hicle ......................4 35
Wheel change ...................................... 453
Breakdown see Flat tyre
Breakdown assistance call see Mercedes me connect
Bu rm ester ®
high-end 3D sur round
sound sy stem
Ad justing the balance/fader ............... 399
Ad justing the sound optimisation ........ 399
Ad justing treble, mid-range and bass
settings ............................................... 399
Au tomatic volume adjustment ............ .399
Calling up the sound menu .................. 398
Information .......................................... 398
Selecting the sound profile .................. 399
Burmes ter®
sur round sound sy stem .....3 97
Ad justing the balance/fader ............... 398
Ad justing the sound focus ................... 398 550
Index

Ad
justing treble, mid-range and bass
settings ............................................... 398
Au tomatic volume adjustment ............ .398
Calling up the sound menu .................. 397
Information .......................................... 397
Switching the sur round sound on/off
............................................................ .398
Buttons Steering wheel .....................................2 61C
Call list Making a call ...................................... .350
Overview ............................................. 350
Calling up the sound menu
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 398
Burmes ter®
sur round sound sy stem ....3 97
Calls .......................................................... 346
Ac cepting ............................................ 346
Ac tivating functions du ring a call ......... 347
Calls wi thseveral participants ............ .347
Declining ............................................. 346
Ending a call ........................................ 346 Incoming call du
ring an existing call .... 347
Making ................................................ 346
Vi ath eove rhead control panel
(Mercedes me connect) ......................3 59
Camera see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care) ....................................... 408
Care ........................................................... 416
Air-water duct ...................................... 408
Car wash ............................................. 408
Carpet .................................................. 416
Deco rative foil ...................................... 412
Displ ay................................................. 416
Exterior lighting .................................... 414
High-pressu recleaner ......................... 409
Matt finish ............................................ 411
Pa int wo rk ............................................. 411
Plastic trim ...........................................4 16
Re alwo od/trim elements .................... 416Re
versing camera ................................ 414
Ro of lining ............................................ 416
Seat belt .............................................. 416
Seat co ver ............................................ 416
Senso rs................................................ 414
Ta ilpipes .............................................. .414
Tr ailer hit ch.......................................... 414
Wa shing byhand ..................................4 10
Wheels/rims ........................................4 14
Wi ndo ws .............................................. 414
Wi per blades ........................................ 414
Carpet (Care) ............................................ 416
Changing gears ........................................ 173
Manually ..............................................1 73
Changing hub caps .................................454
Changing the lights
Driving abroad (symm etrical dipped
beam) .................................................. 12 8
Cha rging
Bat tery (vehicle) .................................. 430
Mobile phone (wireless) .......................1 24
Chassis Damping characteristics ...................... 218
DY NA MIC BODY CONTROL .................. 218 Index
551

Chassis le
vel (AIR BODY CONT ROL)
Setting ................................................ .220
Child saf ety lock
Ac tivating/deactivating (multimedia
sy stem) ............................................... 304
Re ar side wind ows................................. 69
Child seat Appr oval categories .............................. .54
At tach ing (no tes) ................................... 53
Basic instructions ..................................46
Fr ont passenger seat (no tes) ................. 67
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 66
ISOFIX/i-Size (fitting) ............................59
No tes on risks and dangers ...................47
Re commended child restra int sys‐
te ms ...................................................... 50
Seats suita blefor belt-secu redch ild
re stra int sy stems ................................... 63
Seats suitable for i‑Size child
re stra int sy stems ................................... 58
Seats suitable for ISOFIX child
re stra int sy stems ................................... 56
Securing on the front passenger seat ....68
Secu ring on there ar seat ...................... 65 To
pTe ther ..............................................61
Child ren
Av oiding dangers in theve hicle .............47
Basic instructions .................................. 46
Cho ck....................................................... 453
St orage location ..................................4 53
Cho ck
see Chock
CI+ module ..............................................3 96
Calling up a menu ................................ 396
CI+ module (TV) Inserting a Smart Card ........................ 396
Cigar ette lighter
Fr ont centre console ........................... 12 3
City lighting ............................................ .133
Cleaning see Care
Climate control ........................................ 14 5
Ac tivating/deactivating the A/C
function (cont rol panel) ...................... .147
Ac tivating/deactivating the A/C
function (multimedia sy stem) .............. 147Ac
tivating/deactivating the synchro‐
nisation function (cont rol panel) .......... 14 8
Ac tivating/deactivating the synchro‐
nisation function (multimedia sys‐
te m) ..................................................... 14 8
Air di stribution settings .......................1 47
Air-reci rculation mode ........................ .148
Au tomatic control ................................ 147
Climate style function .......................... 147
Defrosting the windscreen ...................1 45
Demisting wind ows............................. 14 8
Fr ont air vents ..................................... 15 5
Glo vebox air vent ................................ 15 6
Inserting/removing theflacon (fra‐
gr ance sy stem) .................................... 14 9
Ionisation ............................................. 14 8
No te .................................................... 14 5
Re ar air vents ...................................... 15 5
Re ar operating unit .............................. 14 5
Re sidual heat ....................................... 14 8
Sets the air flow ................................... 14 5
Setting the air distribution ...................1 45
Setting the climate style ......................1 47
Setting the fragrance sy stem ............... 14 9
Setting thete mp erature ......................1 45
St ationary heater/ ventilation .............. 15 0552
Index

Switching on/off .................................
14 6
Switching there ar wind owheater
on/off .................................................1 45
THERMATIC control panel .................... 14 5
THERMOTRONIC contro l panel ............14 5
Ve ntilating theve hicle (con venience
opening) ................................................ 88
Climate style
Fu nction ............................................... 147
Setting ................................................. 147
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
COMAND Online see Multimedia sy stem
COMAND Touch
Managing devices ................................ 303
Combination switch ................................13 0
Compass .................................................. 337
Compu ter
see On-board computer Connection
status
Displ aying ............................................ 368
Overview ............................................ .368
Connectivity Setting up a hotspot via business tel‐
ephony ................................................ 300
Swit ching transmission of theve hicle
position on/off .................................... 300
Contacts ................................................... 347
Calling up ............................................ 348
Deleting ............................................... 350
Downloading (from mobile phone) ...... 348
Importing ............................................ 349
Importing (o verview) .......................... .349
Information .......................................... 347
Making a call ....................................... 349
Na me form at ...................................... .348
Options ................................................ 349
St oring ................................................ 349
Controller Operating ............................................ 291
Con venience closing ................................. 88
Con venience opening ................................ 88 Coolant (engine)
Check le vel .......................................... 407
No tes ................................................... 473
Cooling see Climate control
Copyright .................................................. .29
Cornering light ........................................ .132
Cross Traf fic Alert .................................. .242
Crosswind Assist Function/no tes ................................... 19 5
Cruise control .......................................... 201
Ac tivating ............................................ 203
Buttons ................................................ 203
Calling up a speed ............................... 203
Deactivating ........................................ 203
Fu nction .............................................. 201
Re quirements ...................................... 203
Selecting ............................................ .203
Setting a speed ................................... 203
St oring a speed ................................... 203
Sy stem limitations ...............................2 01
Cup holder Rear ben chseat ..................................1 22 Index
553