Page 410 of 473

Key
Display messages
Possible causes/consequences and M
MSolutions
 Insert key *T
hekey is not de tected continuously.
De tection of theke y is temp orarily malfunctioning or faulty. A warning tone will also sound. #
Inse rttheke y in the ignition lock and turn tothe desired key position. #
Consult a qualified specialist workshop.
Á Key not detected (red dis‐
play message) *T
hekey cannot be de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you swit choff the engine:
R You can no lon gerst art the engine.
R You cannot centrally lock theve hicle. #
Ensure that theke y is in theve hicle.
If th eke y de tection function has a malfunction due toast ro ng radio signal source: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Place theke y in the slot forst arting the engine with theke y (/ page113).
Á
Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 407
Page 419 of 473

Display messages
Possible causes/consequences and M
MSolutions
Adaptive Highbeam Assist
Camera view restricted
See Owner's Manual *T
he camera view is restricted. Possible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Clean the windscreen. Wa
rning and indicator lamps Overview of
warning and indicator lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some warning and indi‐
cator lamps may brief lylight up or flash. This
behaviour is non-critical. These warning and indi‐
cator lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y.416
Displaymessa ges and warning/indicator lamps
Page 445 of 473

Tr
action Control inoperative See
Owner's Manual .................................. 408
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 389
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 389
Tr af fic Sign Assi stinope rative ............. 389
dTr ans. oil overheated Drive on
with care ............................................. 402
Tr ansmission Malfunction Stop ........... 400
!Tu rnon the ignition torelease
th e parking brake ................................ 375
h Tyre press. monitor cur rently
una vailable .......................................... 405
hTy repress. monitor inoperative
No wheel sensors ................................ 405
hTy repress. monitor inoperative ...405
Ty re(s) ove rheated ...............................4 06
hWa rning tyre defect .....................403
hWheel sensor(s) missing ............. 405Wi
thout changing gear, consult work‐
shop ....................................................4 01
Distance cont rol
see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door lock .............................. 65
Locking (emer gency key) ...................... .69
Opening (from the inside) ......................65
Un locking (emer gency key) .................. .69
Un locking (from the inside) ...................65
Door cont rol panel .................................... .12
Double-clut chfunction ........................... 12 3
Drag Race
Setting ................................................ .216
Dr aw bar
see Tow- bar sy stem
Drinks holder see Cup holder Drive position
Enga ging ..............................................1 23
Drive prog ram display ............................. 12 0
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving abroad Symmetrical dipped beam ..................... 98
Driving lights see Automatic driving lights
Driving saf ety sy stem ............................ .135
ABS (Anti-lock Braking Sy stem) ........... 13 6
Ac tive Brake Assi st.............................. 14 0
Ad aptive brake lights .......................... .142
BA S (Brake Assi stSystem) .................. 137
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 14 0
ESP ®
(Electronic Stability Prog ram) ..... 137
ESP ®
Crosswind Assi st........................ 14 0
Overview ............................................. 13 6
Ra dar sensors ...................................... 13 6
Re sponsibility ...................................... 13 5442
Index
Page 449 of 473

Genera
l operating permit number
(EU) .......................................................... .365
Genuine parts ............................................ 18
Glide mode ............................................... 12 5
Glo vebox
Locking/unlocking ................................ 91H
Handbrake see Electric parking brake
Handling characteristics (unusual) ....... 344
Hazard warning lights ............................ .100
HD prog rammes
see CI+ module
Head restra int
Fr ont (adjusting mechanically) .............. 84
Headlamp flasher ...................................... 99
High beam Adaptive Highbeam Assist .................. .100
Switching on/off ................................... 99
High-pressure cleaner (care) ..................315
Hill Start Assist ........................................ 151HOLD function
......................................... 151
Fu nction/no tes .................................... 151
Switching on/off ................................. 15 2
Hotspot Setting up (Wi-Fi) ................................. 208
Via business telephony ........................ 205 I
Identification pla te
Engine ................................................. 365
Ve hicle ................................................ 365
Ignition key
see Key
Immobiliser ................................................ 75
Implied warranty
Ve hicle .................................................. 23
In Car Of fice
Calling up ............................................ 258
Fe atures .............................................. 258
Marking a to-do entry as compl eted ....2 59
Noting an incoming call ....................... 259
Selecting functions .............................. 259
Switching auto maticstart on/off ........ 259 Indicator lamps
see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 121
Selecting ............................................. 12 0
Inspection see AS SYST PLUS
Instrument clus ter
see Instrument display
Instrument display ..................................1 69
Fu nction/no tes ................................... 16 9
Instrument clus ter ................................... 8
Setting the additional value range ....... 172
Wa rning/indicator lamps .................... .416
Intelligent Light Sy stem
Ad aptive Highbeam Assist .................. .100
Interior lighting ....................................... 102
Ambient lighting .................................. 102
Re ading light ...................................... .102
Setting ................................................. 102
Switch-off del aytime ........................... 103
Interior pr otection
Fu nction ................................................ 77446
Index