
Ad
aptive Highbeam Assist Plus inop‐
erative ................................................ .530
¯ AdBlue sy stem fault Engine
st art not possible ................................ .512
¯ AdBlue sy stem fault Perf.
re duced in XXX km See Owner's
Manual .................................................5 11
¯ AdBlue sy stem fault Perf.
re duced: XXX mph No start in XXX
miles .................................................... 511
¯ AdBlue sy stem fault See Own‐
er's Manual .......................................... 511
4 Add 1 litre engine oil when next
re fuelling ............................................. 509
Air conditioning Malfunction See
Owner's Manual .................................. 526
Apply brake todeselect Park (P)
position ................................................ 513
App lybrake toselect R ........................ 514
À ATTENTION ASSIST inoperative ... 498ÀAT
TENTION ASSIS T:Take a
break! .................................................. 495
bAu tomatic driving lights inoper‐
ative .................................................... 529
Au xilia rybattery malfunction ...............514
Beginning eme rgency stop .................. 490
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 501
Blind Spot Assist inope rative ............... 494
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 97
Cann otstart engine See Owner's
Manual ................................................ 505
ÁChan gekey bat teries .................. 520
JCheck brake fluid le vel................ 483
Check brake pads See Owner's Man‐
ual ...................................................... .493
4Che ckeng. oil le v.when next
re fuelling .............................................. 51 0ï
Check trailer hit chlock (white
display message) ................................ .525
Che cktyre pressu resth en restart
Ru n Flat Indicator ................................. 519
h Check tyre(s) .............................. .516
! Clean the fuel filter .................... .503
?Coolant Stop vehicle Switch
engine off ............................................ 505
Cruise contro l and Limiter inope ra‐
tive ...................................................... 500
Cruise control inope rative ................... 500
Cruise control off ................................ 500
!cu rrently unavailable See Own‐
er's Manual ........................................ .485
÷cur rently una vailable See Own‐
er's Manual .......................................... 479
5 Engine oil le vel cannot be
measured ............................................ 507
4Engine oil le velRe duce oil le vel...5 08 556
Index

4Engine oil le
velSt op vehicle
Switch engine off ................................ 508
4Engine oil pressure Stop Switch
off engine ............................................ 509
6Example: Left windowbag mal‐
function Consult workshop ................. 487
Fa ult Drive at max. 80 km/h ...............497
6 Front left malfunction Consult
wo rkshop (Example) ............................4 91
_ Front left seat backrest not
loc ked (Example) .................................5 22
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 89
Fr ont-passenger airbag enabled See
Owner's Manual ..................................4 88
b Hazard warning lamps mal‐
functioning .......................................... 529
&inoperative Bat tery low .............. .527
& inope rative Refuel vehicle ........... 527
&inoperative See Owner's Man. ....527 !
inope rative See Owner's Man‐
ual ....................................................... 486
÷inoperati veSee Owner's Man‐
ual ....................................................... 486
Tinoperati veSee Owner's Man‐
ual ....................................................... 483
GInoperati ve.................................. 490
bIntelli gent Light Sy stem inoper‐
ative ....................................................5 28
ÁKe y not de tected (red displ ay
messa ge).............................................5 19
Á Key not de tected (white dis‐
pl ay messa ge).....................................5 20
bLeft dipped beam (Example) ....... 528
6Left wind owbag malfunction
Consult workshop (Example) ............... 487
Let fresh air into theve hicle interior!
Air conditioning malf. Visit workshop .. 526
Limiter inoperative .............................. 500
Limiter passive .................................... 501 ¢
Lowe ring .................................... 498
bMalfunction See Owner's Man‐
ual ....................................................... 529
ðMaximum speed exceeded ..........5 01
Mercedes me connect Services limi‐
te d See Owner's Manual .....................490
Mo tor can be star ted again .................5 05
N permanently active Risk of vehicle
ro lling .................................................. .513
ç Off............................................... 499
ëOff ............................................... 496
Only select Park (P) when vehicle is
st ationary ............................................ .514
ï Operation only possible in
transmission position N ....................... 522
ïOperation only possible in
transmission position P ....................... 522
!Pa rking brake See Owner's
Manual ................................................ 480 Index
557

ÁPlace
theke y in the mar ked
space See Owner's Manual ................. 520
KPlease check direction of tr avel ...... 491
Please reduce speed ...........................4 93
ÛPlease wait Charging high- volt‐
age battery .......................................... 506
PRE- SAFE inoperati veSee Owner's
Manual ................................................ 490
Ra dar sensors dirty See Owner's
Manual ................................................ 484
_Re ar left seat backrest not
loc ked (Example) .................................5 22
hRe ctify tyre pressure ....................517
Re duce speed ...................................... 51 8
Ø Refill Ad Blue Eng. start not pos‐
sible .................................................... .510
Ø Refill Ad Blue See Owne r’s Man‐
ual ........................................................ 51 0
! Release parking brake .................482
¸Re place air cleaner .....................504ÀRe
placekey See Owner's Man‐
ual ...................................................... .521
Á Replace key ................................ .520
8Re servefuel le vel........................ 507
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 492
Re versing not poss. Consult work‐
shop ..................................................... 514
Risk of vehicle rolling Driver door
open and transmission not in P ............514
Ru n Flat Indicator inope rative .............. 519
# See Owner's Manual ................... 503
Speed limit (winter tyres) XXX km/h ... 501
ÐSt eering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 523
ÐSt eering malfunction Stop
immediately See Owner's Manual .......523
St op vehicle Lea veengine running
Wa itTransmission cooling ....................513#
Stop vehicle Lea veengine run‐
ning ..................................................... 504
#St opvehicle See Owner's Man‐
ual .......................................................5 04
ÉSt opvehicle Vehicle too low ........ 497
çsuspended ..................................4 99
bSwitch off lights .......................... 528
bSwitch on headla mps.................. 529
To shift out of P or N,depress brake
and start engine .................................. .513
Ø Top up AdBlue Perf.re duced in
XXX miles See Owner's Manual ...........512
Ø Top up AdBlue Perf.re duced:
XXX km/h Nostart in XXX km .............512
To p up coolant See Owner ’sManual ... 503
¥To p upwasher fluid .................... .525
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 496
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 496558
Index

Quality (petrol) ..................................... 467
Re fuelling ............................................. 175
Sulphur content ................................... 467
Ta nk content ....................................... 469
Fu el consum ption
On-board computer ............................ .266
Fu nction seat
see Door cont rol panel
Fu ses ........................................................ 437
Before replacing a fuse ........................ 437
Fu se assignment diagram .................... 437
Fu se box in the boot ............................4 39
Fu se box in the engine compartment .. 438
Fu se box in the front passenger foot‐
we ll ...................................................... 439
Fu se box on the dashboard ................. 439
No tes ................................................... 437 G
Garage door opener Cleari ngthe memory ........................... 185
Opening or closing the door ................1 84
Programming buttons .......................... 182
Ra dio equipment appr oval numbers .... 185Re
solving problems ............................. 184
Synchronising thero lling code ............ 183
Gearshift recommendation ....................173
Genera l operating permit number
(EU) .......................................................... .463
Genuine parts ............................................ 20
Glide mode ............................................... 174
Glo vebox
Air vent ................................................ 15 6
Locking/unlocking ...............................1 15 H
Handbrake see Electric parking brake
Handling characteristics (unusual) ........441
HANDS-FREE ACCESS ................................ 83
Haza rdwa rning lights ............................ .131
HD prog rammes
see CI+ module
Head le vel heating (AIRSCARF) ..............108
Head restra int
Fr ont (adjusting mechanically) .............1 02Re
ar (adjusting) .................................. .104
Head-up display ....................................... 271
Ad justing display elements (on-board
compu ter) ............................................ 271
Ad justing the brightness (on-board
computer) ............................................ 271
Fu nction .............................................. 272
Menu (on-board computer) .................. 271
Operating the memory function ........... 11 2
Setting the position (on-board com‐
puter) ................................................... 271
Switching on/off ................................. 273
Headlamp flasher ................................... .130
Heating see Clima tecontrol
High beam Adaptive Highbeam Assist Plus .......... .133
Switching on/off ................................. 13 0
High-pressure cleaner (care) ................. 409
Hill Start Assist ........................................ 216
HOLD function ......................................... 217
Fu nction/no tes .................................... 217
Switching on/off .................................. 217 Index
563

O
Occupant saf ety
Pe ts in theve hicle ................................. 70
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
see Restra int sy stem
see Seat belt
Odome ter
see Total dis tance
Oil see Engine oil
On-board co mputer ................................. 262
Assis tant displ aymenu ........................ 265
Displaying the service due date ........... 400
Head-up display menu .........................2 71
Media menu ........................................2 70
Menu designs ...................................... 263
Menu overview .................................... 262 Multifunction display ..........................
.264
Na vigation menu ................................. 268
Operating ............................................ 262
Ra dio menu .........................................2 69
Service menu ...................................... 265
Te lephone menu .................................. 270
Tr ip menu ............................................ 266
On-boa rddiagno stics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .461
No tes ................................................... 461
Tw o-w ayradios .................................... 461
Open-source software .............................. 29
Opening the boot lid using your foot
HANDS-FREE ACCESS .......................... .83
Operating fluids
Ad Blue ®
............................................... 470
Ad ditives (fuel) .................................... 468
Brake fluid .......................................... .472
Coolant (engine) .................................. 473
Engine oil ............................................. 471
Fu el (diesel) ......................................... 468
Fu el (petrol) ......................................... 467 No
tes .................................................. 465
Wi ndsc reen washer fluid ...................... 473
Operating saf ety
48 V on-boa rdelectrical sy stem ............ 21
Declaration of Conformity (electro‐
magnetic compatibility) ........................ .23
Declaration of conformity (ja ck) ............ 23
Declaration of con form ity (TIREFIT kit) .. 24
Declaration of conformity (wireless
ve hicle components) ............................. 23
EQ Boost ................................................ 21
Information ............................................ 21
Operating sy stem
see On-board computer
Outside mir rors ................................ 140, 141
Anti-dazzle mode (automatic) ............... 141
Au tomatic mir rorfo lding function ........ 14 2
Fo lding in/out .................................... .140
Operating the memory function ........... 11 2
Pa rking position .................................. .141
Setting ................................................. 14 0
Overhead control panel Making calls (Mercedes me connect).............................................................3 59 Index
571

Ra
nge
Ad Blue ®
............................................... 265
Displaying ............................................ 266
REA CHregulation ...................................... 26
Re ading light
see Interior lighting
Re alwo od (Care) ...................................... 416
Re ar fog light
Switching on/off .................................1 29
Re ar seat
see Seat
Re ar seat belt
St atus display ........................................ 37
Re ar seat belt status display .................... 37
Re ar window
Ro ller sunblind ...................................... 85
Re ar window heater ................................ 14 5
Re 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 ........................... 175
To pping up AdBlue ®
............................. 17 9
Re gistration
Ve hicle .................................................. 25
Re mo tecont rol (stationa ryheater/
ve ntilation)
Displa ys............................................... 15 2
Problems ............................................. 154
Re placing the battery .......................... 15 3
Setting ................................................. 15 2
Re mo teOnline
Charging the battery ............................1 62
Cooling or heating theve hicle inte‐
ri or .......................................................1 61
St arting theve hicle ............................. 16 2
Re mo teParking Assist ............................ 237
Auth orising a mobile phone ................. 241
Fu nction .............................................. 237
Ope rating ............................................ 238
Sy stem limitations ...............................2 37
Re scue card ............................................... 26 Re
ser ve
Fu el ..................................................... 469
Re set function (multimedia sy stem) .....3 09
Re sidual heat ...........................................1 48
Re storing (factory settings)
see Reset function (multimedia sy stem)
Re stra int sy stem ...................................... .30
Basic instructions forch ildren .............. .46
Fu nction in an accident ........................ .31
Fu nctionality .......................................... 31
Malfunction ...........................................31
Pr otection ..............................................30
Re duced pr otection ...............................30
Self-test ................................................. 31
Wa rning lamp ........................................ .31
Re versege ar
Inserting .............................................. 172
Re versing camera .................................. .225
Care ..................................................... 414
Fu nction .............................................. 225
Opening the camera co ver (360°
Camera) ............................................... 231
Setting favo urites (360° Camera) ...... .232 574
Index

Switching
the sur round sound on/off
Burmes ter®
sur round sound sy stem ... 398
Synchronisation function Activating/deactivating (multimedia
sy stem) ................................................ 14 8
Switching on/off (control panel) ......... 14 8
Sy stem settings
Ac tivating/deactivating PIN pr otec‐
tion ...................................................... 305
Re set function (multimedia sy stem) ....3 09
Setting the dis tance unit ..................... 304
Setting the time and date automati‐
cally ..................................................... 299
Setting the time zone .......................... 299
Setting the time/date form at .............. 299
Swit ching transmission of theve hicle
position on/off .................................... 300
Sy stem settings
see Blue tooth®
see Data import/export
see Language
see Software update
see Wi-Fi T
Ta ilpipes (Care) ........................................ 414
Ta ke -back of end-of-life vehicles .............. 19
Pr otection of the environment ............... 19
Ta nk content
Ad Blue ®
............................................... 470
Fu el ..................................................... 469
Re ser ve(fuel) ...................................... 469
Te ch nical data
Axle load (trailer operation) ................. 477
Fa stening points (trailer hitch) .............4 76
Information .......................................... 461
Mounting dimensions (trailer hitch) ..... 476
No tes (trailer hitch) .............................. 475
Overhang dimension (trailer hitch) .......4 76
To ngue weight .................................... .477
To wing capacity (trailer operation) ...... .476
Ty re pressure monitoring sy stem ........ 446
Ve hicle identification plate .................. 463
Te lephone ........................................ 270, 339
Ac tivating functions du ring a call ......... 347
Auth orising a mobile phone (Remo te
Pa rking Assist) .................................... .241
Business telephony settings ................ 344 Call and
ringtone volume .................... .346
Calls with se veral participants ............ .347
Connecting a mobile phone (busi‐
ness telephony) .................................. .342
Connecting a mobile phone (Near
Field Communication (NFC)) .............. .345
Connecting a mobile phone (Pass‐
ke y) .................................................... .340
Connecting a mobile phone (Secu re
Simple Pairing) .................................... 340
De-authorising a mobile phone ............ 345
Disconnecting a mobile phone ............ 345
Importing con tacts .............................. 349
Importing contacts (o verview) ............ .349
Incoming call during an existing call .... 347
Information .......................................... 340
Inter changing mobile phones .............. 344
Locking theve hicle (mobile phone) .......76
Menu (on-board computer) .................. 270
Mobile phone voice recognition .......... 346
No tes .................................................. 338
Operating modes ................................. 340
Re ception and transmission volume .... 346
St arting theve hicle (mobile phone) ..... 16 0
Switching mobile phones (Near Field
Communication (NFC)) ........................ 345 Index
57 9