
Displaymessages
Possible causes/consequences and MSolutions
Blind Spot Assist Not Avail-
able When Towing aTrailer
See Operator' sManual *W
hen youe stablish thee lectrical connection tothet railer ,Blind Spo tAssis tisu navailable.
#Press thel eft-hand side of Touc hC ontrol and confir mthe displa ymessage.
Blind Spot Assist Inopera-
tive *B
lind Spo tAssis tism alfunctioning.
#Visit aq ualified specialis tworks hop.
Active Blind Spot Assist
Currently Unavailable See
Operator's Manual *A
ctiv eBlind Spo tAssist istemp orarily una vailable.
The sy stem limits ha vebeen reached (
→pag e188).
#Driv eon.
When thec auses no longer appl y,thes ystemw ill be available again.
#Ifth ed ispla ymessag edoes no tdisappear ,pull ove rand stop thev ehicle while paying attention toroad and
traf ficc onditions and restar tt he engine.
Active Blind Spot Asst. Not
Available When Towing a
Trailer See Operator's Man-
ual *W
hen youe stablish thee lectrical connection tothet railer ,Activ eBlind Spo tAssistis una vailable.
#Press thel eft-hand side of Touc hC ontrol and confir mthe displa ymessage.
Active Blind Spot Assist
Inoperative *A
ctiveBlind Spo tAssist is malfunctioning.
#Visit aq ualified specialis tworks hop.
Displa ymessages and warning/indicator lamps 37
5

Displaymessages
Possible causes/consequences and MSolutions
Steering Pilot Currently
Unavailable See Operator's
Manual *S
teering Pilo tistemporarily una vailable.
The ambientc onditionsareoutside thes ysteml imits (
→pag e165).
#Driv eon.
As soo nasthe ambient conditions ar ewithin thes ystem limits, thes ystemw ill become available again.
#If necessar y,clean thew indshield in thec amera's field of vision.
Steering Pilot Inoperative *S
teering Pilo tismalfunctioning. Dis tance Pilo tDISTRONIC remains available.
#Visit aq ualified specialis tworks hop.
Distance Pilot Inoperative *D
ista nce Pilo tDISTRONIC is malfunctioning.
Other driving sy stems and driving saf etys ystems ma yalso malfunction.
#Visit aq ualified specialis tworks hop.
Distance Pilot Now Availa-
ble *D
ista nce Pilo tDISTRONIC is operationala gain and can be acti vated(
→pag e162).
Distance Pilo tCurrently
Unavailable See Operator's
Manual *D
ista nce Pilo tDISTRONIC is temp oraril yunavailable.
The ambientc onditionsareoutside thes ysteml imits (
→pag e159).
#Driv eon.
As soo nasthe ambient conditions ar ewithin thes ystem limits, thes ystemw ill become available again.
¯--- mph *C
ruise control canno tbeactivated as no tall activation condition sarefulfilled.#Obser vethea ctivation conditions forc ruisec ontrol .
376
Displ aymessage sand warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
b
Adaptive Highbeam Assist
Currently Unavailable See
Operator'sManual *A
daptiv eHighbeam Assis tistemporaril yunavailable.
The sy stem limits ha vebeen reached (
→pag e112).
#Driv eon.
When thec auses no longer appl y,thes ystemw ill be available again. The AdaptiveHighbeam Assist Now Availa-
ble displa ymessag eappears.
Adaptiv eHighbeam Assist
Inoperative *A
daptiv eHighbeam Assis tismalfunctioning.
#Visit aq ualified specialis tworks hop.
b
Active Headlamps Inopera-
tive *T
he activ elight function is faulty.
#Consult aqualified specialis tworks hop.
b
Malfunction See Opera-
tor’s Manual *T
heexterior lighting is malfunctioning.
#Consult aqualified specialis tworks hop.
Displa ymessages and warning/indicator lamps 395

Warning/indicator lamp
Possible causes/consequences and MSolutions
#Pulloverand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions .Donot
continu edriving under an ycircums tances.
#Obser vethem essages in them ultifunction displa y.
#Consultaqualified specialis tworks hop.
US Ao nly: if an additional displa ymessag eappear switht he # symbol in them ultifunction displa y,theb rake linings
ha ve reached their wear limit.
#Visit aq ualified specialis tworks hop.
÷
ESP®wa rning lamp The
yello wE SP
®warning lam pislit while thee ngine is running.
ESP
®is malfunctioning.
Other driving sy stems and driving saf etys ystems ma yalso malfunction.
&
WARNING Risk of skidding if ESP is malfunctioning®
If ESP®is malfunctioning ,ESP®canno tcarry out vehicle stabilization. In addition,o ther driving saf etys ystems are
switched off.
#Driv eonc arefull y.
#Have ESP®checkedataq ualified specialis tworks hop.
#Driv eonc arefully.
#Observethem essages in them ultifunction displa y.
#Consultaqualified specialis tworks hop.
Displa ymessages and warning/indicator lamps 399

Warning/indicator lamp
Possible causes/consequences and MSolutions
å
ESP®OFFwarning lamp The
yello wE SP
®OFF warning lam pislit while thee ngine is running.
ESP
®is deacti vated.
&
WARNING Risk of skidding whe ndriving wi thESP®deacti vated
If ESP
®is deactivated, ESP®canno tcarry out vehicle stabilization. The availabilityoff urther driving saf etys ystems
is also limited.
#Driv eonc arefull y.
#Onlydeactivat eESP®forasl ong as thes ituation requ ires.
If ESP
®canno tbeactivated, ESP®is malfunctioning.
#Have ESP®checkedi mmediatel yataqualified specialis tworks hop.
#Obser vethen otes on deactivating ESP®.
Displa ymessages and warning/indicator lamps 403

Engine
Warning/indicator lamp
Possible causes/consequences and MSolutions
;
Engine diagnosiswarning
lamp The
yello we ngin ediagnosis warning lam pislit while thee ngine is running.
Am alfunctio nhasoccu rred in thee ngine, thee xhaust system or thef uel sy stem.
The emissions limit values ma ybeexceeded and thee ngine ma yberunninginemergency operation mode.
In som estates, legal requ irements stipulat ethat youm ustimmediatel yconsul taqualified specialis tworks hop as soon
as they ello wengin ediagnosis warning lam plightsu p.
#Have thev ehicle checkedass oon as possible at aqualified specialis tworks hop.
Displa ymessages and warning/indicator lamps 407

1,2, 3. ..
12 Vb attery
Charging .............................................. 301
No tes. ................................................. 299
St artin gassis tance .............................. 301
360° came ra............................................ 177
Car e................................................... .287
Fu nctio n.............................................. 177
Selecting aview. .................................. 179
A
A/C function Activating/deactivating (control
panel ).................................................. 122
ABS (Anti-loc kBraking Sy stem) ............ .148
Ac celeration
see Kickdown
Ac cess data
Editing ................................................ .251
Setting ................................................. 250
Ac oustic locking verification signal
Swit ching on/of f................................... 56 Ac
tiv eB lind Spo tAssis t
Brak eappli cation ................................. 189
Fu nction/no tes. .................................. 188
Sy stem limitations .............................. .188
Ac tiv eB rake Assi st
Driving safe ty system .......................... 152
Setting ................................................. 156
Ac tiv eE me rgency Stop Assist ...............166
Ac tiv eh ood( pedestrian pr otection) ......278
Me thod of operation ............................2 78
Re setting. ............................................ 278
Ac tiv eL aneC hang eAssis t..................... 166
Ac tiv eL aneK eeping Assist
Fu nctio n.............................................. 190
Sensitivity ............................................ 193
Setting thes ensitivity .......................... 193
Switching on/of f................................. 192
Sy stem border s................................... 190
Ad aptiv ecruise control
see Driving sy stem
Ad aptiv eDamping Sy stem
Suspension ........ ...
...............................
169 Ad
aptiv eHighbeam Assist
Fu nctio n............................................... 112
Switching on/of f.................................. 113
Ad ded sub stance s(fuel)
see Fuel
Ad ditive s.................................................. 346
Engine oil ............................................ 346
Ad ditive s(engine oil)
see Additives
Ad dres sbook
see Contacts
Ad justin gthe balance/ fader
Burmes ter
®high-end 3D sur round
sounds ystem. ..................................... 276
Burmes ter
®sur round sounds ystem. ...2 75
Ad justin gthe sound focus
Burmes ter
®sur round sounds ystem. ...2 75
Ad justin gthe sound optimization
Burmes ter
®high-end 3D sur round
sounds ystem ...................................... 276
412
Index

Adjustin gthe treble ,mid-rang ea nd
bass
Burmes ter
®high-end 3D sur round
sounds ystem. ..................................... 276
Burmes ter
®sur round sounds ystem. ...2 75
Air bag Activation .............................................. 31
Belt ai rbag ............................................ 35
AI RB ODYC ONT ROL................................ 169
Setting ................................................. 171
Suspensio n.......................................... 169
Air conditioning sy stem
see Climat econtrol
Air distribution ........................................ 122
Air freshener sy stem
see Frag rance sy stem
Air suspension see AIR BODY CONTROL
Air vents ................................................... 125
Ad justing (front) .................................. 125
Ad justing (rea rpassenger compart‐
ment) ................................................... 126
Glo vebox. ............................................ 126 Air
vents
see Air vents
Ai r-re circulation mode ............................ 123
Airb ag
Fr ont airbag ...........................................3 7
Ins tallation locations ............................ .37
Knee airbag ........................................... 37
Overvie w............................................... 37
Pr otection ............................................. .38
Re duced pr otection ............ .....
.............
.39
Sid eairba g. ........................................... 37
Wi ndo wairba g. ...................................... 37
Air flow ...................................................... 122
AIRP ANEL (Care) ...................................... 287
Alarm see Panic alarm
Alar msystem
see Anti- theftp rotection
Ambient lighting ...................................... 115
Android Auto™
Connecting amobile phone. ................245
Ending ................................................. 246
Overvie w............................................. 245 Sound settings ....................................
245
Anti-thef tprote ction ................................ .79
ATA (Anti-Thef tAlarms ystem) ............... 79
Deactivating thea larm( ATA) ................. 80
Immobilizer ............................................ 79
Appl eCarPlay™
Connecting an iPhone
®....................... 244
Ending .................................................2 45
Overvie w............................................. 244
Sound settings .................................... 244
Asht ray
Fr ont center console ........................... 105
Re ar passenger compartment ............ .105
Assistance graphic
Menu (on-boa rdcompute r) .................. 198
ASS YSTP LUS........................................... 277
Batter ydisconnection period s............. 278
Displ aying thes ervice due dat e........... 277
Re gular service work ........................... 277
Special service requirements .............. 277
ASS YSTP LUSs ervice in terv al display ...277
ATA (Ant
i-Thef tAlarms ystem)
Deactivatin gthe alar m.......................... 80
Index 41
3