
Display messages
Possible causes/consequences and M
MSolutions
Update failed Software
remains unchanged *A
fault occur red during ins tallation of the software update (/ page 382).
The cur rent software release remains in place.
Update failed *A
fault occur red during ins tallation of the software update (/ page 382).
Make a Mercedes me call via theove rhead control panel (/ page 454).
d
Vehicle is operational
Switch off ignition before
exiting *Y
ou are leaving theve hicle when it is in a ready-to-drive state. #
When you lea vetheve hicle, switch off the ignition, secure theve hicle against rolling away and take theke y with
yo u. #
Ifyo u do not lea vetheve hicle, switch off the electrical consumers, e.g. the seat heating. Otherwise, the12 ‑V
battery may discharge and it will then be possible tostart theve hicle only using a donor battery (s tarting assis‐
ta nce).
ï Trailer coupling extending… *T
he ball neck will retract/ extend.
Do not attem pttospeed up, slow down or initiate the swivel mo vement using your hand, foot or other aids. During
th e swivel mo vement, do not couple a trailer.
When the ball neck has reached an operational position, the display message will disappear. 624
Display messages and warning/indicator lamps

Ac
tivating/deactivating the synchro‐
nisation function (multimedia sys‐
te m) ..................................................... 16 9
Air di stribution settings .......................1 68
Air-recirculation mode ......................... 16 9
Au tomatic control ................................ 167
Au tomatic control (rear) ...................... 16 8
Calling up the air conditioning menu ... 167
Defrosting the windscreen ...................1 65
Demisting wind ows............................. 16 9
Fr ont air vents ...................................... 176
Glo vebox air vent ................................ 17 7
Inserting/removing theflacon (fra‐
gr ance sy stem) .................................... 17 0
Ionisation ............................................. 17 0
No te .................................................... 16 5
Re ar air vents ...................................... 17 7
Re ar compartment residual heat ......... 16 9
Re ar operating unit .............................. 16 6
Re sidual heat ....................................... 16 9
Sets the air flow ................................... 16 5
Setting (multimedia sy stem) ................1 67
Setting the air distribution ...................1 65
Setting the fragrance sy stem ............... 17 0
Setting thete mp erature ......................1 65
St ationary heater/ ventilation .............. 171Switching on/off .................................
167
Switching on/off (rear) ........................ 167
Switching there ar wind owheater
on/off .................................................1 65
THERMATIC control panel .................... 16 5
THERMOTRONIC contro l panel ............16 5
Ve ntilating theve hicle (con venience
opening) ................................................ 95
Wi ndsc reen heating ............................. 171
Coat hook ................................................ .133
Using ................................................... 13 3
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
Collapsible luggage compartment
co ver
No tes ................................................... 12 9
Re moving/fitting ................................. 12 9
Un folding/ folding up .......................... .129
Collapsible spare wheel .......................... 554
Inflating ............................................... 556
No tes ................................................... 554
Re moving ............................................ 555 Combination switch
................................14 8
Compass .................................................. 420
Compu ter
see On-board computer
Connection status
Displ aying ............................................ 469
Overview ............................................ .469
Connectivity Switching transmission of theve hicle
position on/off .................................... 376
Contacts .................................................. .438
Calling up ............................................ 439
Deleting ............................................... 441
Del eting favo urites .............................. .441
Downloading (from mobile phone) ...... 439
Impo rting ............................................ 440
Importing (o verview) .......................... .440
Information .......................................... 438
Making a call ....................................... 440
Na me form at ...................................... .439
Options ............................................... 440
Saving as a favo urite ............................ 441
Selecting options for suggestions ........ 441
St oring ................................................ 440 Index
655

Con
venience closing ................................. 96
Con venience opening ................................ 95
Coolant (engine) Check le vel .......................................... 500
No tes .................................................. 569
Cooling see Climate control
Co pyright ...................................................35
Cornering light ........................................ .150
Cross Traf fic Alert .................................. .284
Crosswind Assist Function/no tes ................................... 223
Cruise control .......................................... 230
Ac tivating ............................................ 232
Buttons ................................................ 232
Calling up a speed ............................... 232
Deactivating ........................................ 232
Fu nction .............................................. 230
Re quirements ...................................... 232
Selecting ............................................ .232
Setting a speed ................................... 232
St oring a speed ................................... 232
Sy stem limitations ...............................2 30Cup holder
................................................ 137
Re ar .................................................... .138
Switching the cooling/heating func‐
tion on/off .......................................... 13 9
Use (cockpit) ....................................... 137 D
Damage de tection (pa rked vehicle) .......2 15
Dash cam Starting/ending a video recording ...... 424
Dashboard see Co ckpit
Dashboard lighting see Instrument lighting
Dashcam Configuring the settings ......................4 25
Deleting a video recording ................... 425
Selecting a USB device ........................ 424
Data acquisition Vehicle .................................................. 33
Data import/export ................................ 380
Fu nction/no tes ................................... 380
Importing/exporting ........................... 380 Data
storage
Electronic control units ........................ .33
Online services ...................................... 34
Ve hicle .................................................. 33
Date Setting the time and date automati‐
cally ..................................................... 375
Deactivating the ala rm(ATA ).................. 105
Deale rship
see Qualified speciali stwo rkshop
Declaration of conformity Electromagnetic compatibility ............... 26
Jack .......................................................29
TIREFIT kit ............................................. 30
Wi reless vehicle components ................26
Decorative foil (cleaning instructions) .. 507
DeNOx agent see AdBlue ®
Designs Menu (on-board compu ter) .................. 307
Dest ination .............................................. 408
Editing intermediate destinations ........ 398
Editing the pr evious destinations ........ 409 656
Index

Re
fuelling ............................................ 202
Sulphur content ................................... 564
Ta nk content ....................................... 566
Fu el consum ption
On-board computer .............................. 311
Fu el consum ption indicator
Calling up ............................................ 19 6
Fu nction seat
see Door cont rol panel
Fu nction seat (rear)
see Seat (rear)
Fu ses ........................................................ 531
Before replacing a fuse ........................ 531
Fu se assignment diagram .................... 531
Fu se box in the engine compartment .. 532
Fu se box in the front passenger foot‐
we ll ...................................................... 533
Fu se box in the load compartment ...... 533
Fu se box on the dashboard ................. 533
No tes ................................................... 531 G
Garage door opener Cleari ngthe memory ........................... 212Opening or closing
the door ................. 211
Programming buttons .......................... 209
Ra dio equipment appr oval numbers .... 212
Re solving problems .............................. 211
Synchronising thero lling code ............ .210
Gearshift recommendation .................... 200
General operating permit number
(EU) .......................................................... .560
Genuine parts ............................................ 23
Glide mode ............................................... 201
Global sear ch
Fu nction .............................................. 365
Overview ............................................. 364
Glo vebox
Air vent ................................................ 17 7
Glo vecompa rtment
Locking/unlo cking .............................. .124 H
Handbrake see Electric parking brake
Handling characteristics (unusual) ....... 534HANDS-FREE
ACCESS ................................ 91
Hazard warning lights ............................ .149
Head restra int
Fr ont (adjusting mechanically) .............1 12
Fr ont (luxury head restra int) ................ 11 3
Re ar (adjusting) .................................... 11 3
Re ar (fitting/removing) ........................ 11 3
Head-up display ....................................... 316
Ad justing display elements (on-board
compu ter) ............................................ 316
Ad justing the brightness (on-board
computer) ............................................ 316
Fu nction ............................................... 317
Menu (on-board computer) .................. 316
Operating the memory function ........... 121
Setting the position (on-board com‐
puter) ................................................... 316
Switching on/off ................................. 318
Headlamp flasher ................................... .148
Headphones (Rear Seat Entertain‐
ment Sy stem)
Overview ............................................ .490
Heating see Clima tecontrol 666
Index

Coolant (engine) .................................. 569
Engine oil ............................................ 568
Fu
el (diesel) ......................................... 565
Fu el (petrol) ......................................... 564
No tes .................................................. 562
Wi ndsc reen washer fluid .................... .570
Operating saf ety
48 V on-boa rdelectrical sy stem ............ 24
Declaration of conformity (electro‐
magnetic compatibility) ........................ .26
Declaration of conformity (ja ck) ............ 29
Declaration of con form ity (TIREFIT kit) .. 30
Declaration of con form ity (wireless
ve hicle components) ............................. 26
EQ Boost ............................................... 24
Information ............................................24
Operating sy stem
see On-board computer
Outside mir rors ................................ 160, 161
Anti-dazzle mode (automatic) ............... 161
Au tomatic mir rorfo lding function ........ 16 2
Fo lding in/out .................................... .160
Operating the memory function ........... 121
Pa rking position .................................. .161
Setting ................................................. 16 0Overhead control panel
Overview ................................................ 12
Owner's Manual Vehicle equipment ................................. 24
Owner's Manual (digital) .......................... 20 P
Pa int code ................................................ 560
Pa intwork (cleaning instructions) .........506
Pa nel heating
Setting .................................................1 17
Pa noramic roof
Ad justing thero ller sunblind ................ 104
Operating thero ller sunblind .............. .103
Pa noramic sliding sunroof
see Sliding sunroof
Pa rk position
Inserting .............................................. 19 8
Selecting au tomatical ly....................... 19 8
Pa rking
see Electric parking brake Pa
rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC .................. 264
Ac tivating ............................................ 268
Ad justing warning tones ...................... 269
Deactivating ........................................ 268
Fu nction .............................................. 264
Problems ............................................. 266
Side impact pr otection ........................ 267
Sy stem limitations ...............................2 64
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights .......................................... .146
Pa rking options
see Parking service
Pa rking position
Outside mir rors .................................... 161
St oring the position of the passenger
outside mir ror using reve rsege ar ........ 16 2
Pa rking service ........................................ 422
No tes .................................................. 422 676
Index

Re
ar Seat Entertainment Sy stem
Ad justing the brightness ..................... 493
Ad justing there ar seats ...................... .491
Calling up services, apps and web
br ows er ............................................... 494
Calling up the device manager ............ 493
Climate control .................................... 492
Headphones overview ........................ .490
Operating saf ety .................................. 488
Overview ............................................ .488
Overview of services, apps and web
br ows er ............................................... 494
Overview of there ar displa ys.............. 489
Overview of the sound settings ........... 494
Re setting there ar seat ........................ 492
Selecting a massage program .............. 491
Selecting sound settings .................... .494
Setting the language ........................... 493
Setting the sensitivity forth ere ar
display ................................................ .493
Showing sy stem information ............... 493
Switching navigation on ......................4 93
Switching off the display ..................... 489
Re ar window heater ................................ 16 5Re
ar-view mir ror
see Outside mir rors
Re cycling
see Take -ba ckof end-of-life vehicles
Re ducing agent
see AdBlue ®
Re fuelling
Re fuelling theve hicle .......................... 202
To pping up AdBlue ®
............................ 206
Re gistration
Ve hicle ................................................... 31
Re mo tecont rol (stationa ryheater/
ve ntilation)
Displa ys............................................... 174
Problems ..............................................1 76
Re placing the battery ........................... 174
Setting ................................................. 173
Re mo teOnline
Charging the battery ............................1 83
Cooling or heating theve hicle inte‐
ri or .......................................................1 82
St arting theve hicle ............................. 183
Re scue card ............................................... 32 Re
ser ve
Fu el ..................................................... 566
Re set function (multimedia sy stem) .....3 84
Re sidual heat ...........................................1 69
Re ar compartment .............................. 16 9
Re storing (factory settings)
see Reset function (multimedia sy stem)
Re stra int sy stem ...................................... .36
Basic instructions forch ildren .............. .51
Fu nction in an accident ........................ .37
Fu nctionality .......................................... 37
Malfunction ...........................................37
Pr otection ..............................................36
Re duced pr otection ...............................36
Self-test ................................................. 37
Wa rning lamp ........................................ 37
Re versege ar
Inserting .............................................. 19 8
Re versing camera .................................... 271
Care .................................................... 509
Fu nction .............................................. 271
Opening the camera co ver (360°
Camera) ............................................... 278
Setting favo urites (360° Camera) ........ 278 Index
67 9

Cor
rect driver's seat position .............. 108
Fo lding the backrest (rear) back ..........1 26
Fo lding the backrest (rear) forw ards .... 124
Operating the memory function ........... 121
Pa nel heating ....................................... 11 7
Re setting the settings .......................... 11 6
Setting options ...................................... 14
Seat see Front passenger seat
Seat (rear) .................................................. 16
Setting options ...................................... 16
Seat belt ............................................... 38, 42
Ac tivating/deactivating seat belt
adjustment ............................................ 42
Ad justing the height ...............................41
Care .................................................... .511
Fa stening ............................................... 41
Pr otection ..............................................38
Re ar seat belt status display ................ .42
Re duced pr otection ...............................39
Re leasing .............................................. .42
Seat belt adjustment (function) ............. 41
Wa rning lamp ........................................ 42 Seat belt adju
stment
Ac tivating/deactivating ......................... 42
Fu nction ................................................. 41
Seat belt tensioners
Ac tivation .............................................. 37
Seat belt warning
see Seat belt
Seat co ver (Care) ...................................... 511
Seat heater Activating/deactivating ........................ 11 6
Seat ventilation
Ac tivating/deactivating ........................ 11 7
Second telephone .................................. .430
Connecting .......................................... 430
Fe atures .............................................. 430
Selecting a gear
see Changing gears
Selecting the sound profile
Burmes ter®
sur round sound sy stem ... 488
Selector le ver
see DIRECT SELECT le ver Self-test
Automatic front passenger front air‐
bag shutoff ............................................ 47
Sensors (Care) ......................................... 509
Service Menu (on-board computer) .................. 310
Service see ASS YST PLUS
Service centre see Qualified specialist workshop
Service inter val display
see AS SYST PLUS
Service station sear ch
St arting automatic sear ch................... 401
Se rvices, apps and web br owser
(rear)
Overview ............................................. 494
Setting a speed see Cruise cont rol
Setting the da teform at .......................... 375
Setting the distance unit ........................ 380 Index
681

Locking (from
the inside) ....................... 83
Locking (KEYLESS-GO) .......................... 85
Locking (mobile phone) .........................84
Locking/unlocking (emergency key) ...... 87
Lo we ring .............................................. 551
Pa rking up ............................................ 216
QR code rescue card ............................. 32
Qualifi ed specialist workshop ................31
Ra ising ................................................ 548
REA CHregulation ..................................32
Re gistration ...........................................31
St andby mode function ........................ 216
St arting (Digital Vehicle Keyst icke r) .... 181
St arting (eme rgency operation
mode) .................................................. 182
St arting (mobile phone) ...................... .181
St arting (Remo teOnline) ..................... 183
St arting (s tart/s top button) ................ 180
Switching off (s tart/s top button) ........ 208
To wing ................................................ .303
Un locking (digital vehicle keyst icke r) .... 84
Un locking (from the inside) ...................83
Un locking (KEYLESS-GO) ...................... .85
Un locking (mobile phone) ...................... 84
Ve ntilating (co nvenience opening) ......... 95
Vo ice commands (LINGU ATRO NIC) .....3 35Ve
hicle data
Angle of app roach/departure .............. 573
Displ aying (DYNAMIC SELECT) ............ 19 6
Fo rding dep th...................................... 573
Maximum gradient climbing ability ...... 573
Maximum speeds ................................ 572
Ro of load ............................................. 572
Tr ans ferring toAndroid Auto ............... 454
Tr ans ferring toApple CarPl ay®
............ 454
Ve hicle height ...................................... 571
Ve hicle length ...................................... 571
Ve hicle width ....................................... 571
Wheelbase ...........................................5 71
Ve hicle dimensions ................................. 571
Ve hicle identification number
see VIN
Ve hicle identification plate .................... 560
EU general operating pe rmit number .. 560
Pa int code .......................................... .560
Pe rm issible axle load .......................... .560
Pe rm issible gross mass ....................... 560
VIN ...................................................... 560
Ve hicle interior
Cooling or heating (Remo teOnline) ..... 182Ve
hicle key
see Key
Ve hicle le vel
Setting individual wheel control .......... 263
Ve hicle maintenance
see ASS YST PLUS
Ve hicle position
Switching transmission on/off ............ 376
Ve hicle tool kit ........................................ .516
TIREFIT kit ............................................ 516
To wing eye .......................................... 530
Ve ntilating
Con venience opening ............................ 95
Ve ntilation
see Climate cont rol
Ve nts
see Air vents
VIN ............................................................ 560
Identification plate .............................. 560
Seat ..................................................... 560
Wi ndsc reen ......................................... 560
Vi sion
Demisting windo ws............................. 16 9 Index
689