Page 592 of 657
Display messages
Possible causes/consequences and M
MSolutions
b Automatic driving lights
inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
b Switch on headlamps *Y
ou are driving without lo w-beam headlamps. #
Turn the light switch totheL orà position.
b
Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. #
Turn the light switch totheà position.
b Intelligent Light System
inoperative *T
he Intelligent Light Sy stem is faulty. The lighting sy stem continues tofunction properly without the functions of
th e Intelligent Light Sy stem. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 589
Page 593 of 657

Display messages
Possible causes/consequences and M
MSolutions
b Active Light System inoper-
ative *T
he active headlamp s arefaulty. #
Consult a qualified specialist workshop.
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual *A
daptive Highbeam Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (/ page142). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. The Adaptive Highbeam
Assist available again display message appears.
Adaptive Highbeam Assist
inoperative *A
daptive Highbeam Assist is malfunctioning. #
Consult a qualified specialist workshop.
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, the driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: 590
Display messages and warning/indicator lamps
Page 611 of 657

Ac
tive headlamps .................................... 14 0
Ac tive Lane Change Assi st..................... 224
Ac tivating/deactivating ...................... .226
Fu nction .............................................. 224
Ac tive Lane Keeping Assist .................... 260
Ac tivating/deactivating ...................... .262
Ac tivating/deactivating thewa rning .. .262
Fu nction .............................................. 260
Setting the sensitivity .......................... 262
Sy stem limits ....................................... 260
Tr ailer operation .................................. 260
Ac tive Parking Assist .............................. 247
Cross Traf fic Alert ............................... 253
Drive AwayAssi st................................ 252
Exiting a pa rking space ...................... .250
Fu nction .............................................. 247
Manoeuvring assis tance ...................... 253
Pa rking ................................................ 24 9
Sy stem limitations ...............................2 47
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 220
Display ................................................ 220
Fu nction .............................................. 220 Ac
tive Steering Assist ............................ .222
Ac tivating/deactivating ...................... .224
Ac tive Emergency Stop Assist .............2 26
Ac tive Lane Change Assi st.................. 224
Displa ysinthe instrument display .......2 26
Fu nction .............................................. 222
Sy stem limitations ...............................2 22
Ad aptive brake lights ..............................212
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 .............................................. 14 2
Switching on/off ................................. 14 3
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 14 3
Switching on/off ................................. 14 5
Ad Blue ®
.................................................... 530
Ad ditives .............................................5 30
Capacity .............................................. 531
Fill le vel .............................................. .275
No tes ................................................... 188
Purity ................................................... 530 Ra
nge ................................................. .275
To pping up ...........................................1 88
Ad ditional door lo ck.................................. 78
Ad ditional value range
Setting display content ........................ 274
Ad diti ves.................................................. 531
Ad Blue ®
............................................... 530
Engine oil ............................................. 531
Fu el ..................................................... 529
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
Adva nced sound sy stem ......................4 59
Burmes ter®
sur round sound sy stem ... 458
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 458 608
Index