
Warning/indicator lamp
Possible causes/consequences and MSolutions
8
Fuelreser ve wa rning lamp The
yellow fuel reser vewarning lamp is lit while the engine is running.
The fuel le vel has dropped into there ser verange.#Re fuel.
Display message s andwarning/indicator lamps 44
3

Warning/indicator lamp
Possible causes/consequences and MSolutions
?
Coolantwarning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes are:RThe temp erature sensor is malfunctioning
RThe coolant le vel is too low
RThe air supply tothera diator is obstructed
RThe radiator fan is de fective
If th ere is an additional warning tone, the coolant temp erature has exceeded 248 °F (120 °C).
&
WARNING Danger of burn s when opening the hood
If yo u open the hood when the engine has overheated or during a fire inthe engine compartment, you could come
into contact with hot gases or other escaping operating fluids.
#Before opening the hood, allow the engine tocool down.
#Intheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service.
#Pull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances.
#Obser vethe messages in the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale:
#Consult a qualified specialist workshop.
444
Displaymessage s andwarning/indicator lamps

Warning/indicator lamp
Possible causes/consequences and MSolutions
Otherwise:
#Lea vetheve hicle and keep a safe dis tance from theve hicle until the engine has cooled down.
#Check the coolant le vel .
#Make sure that the air supply tothera diator is not obstructed.
#Av oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 248 °F (120 °C).
Display message s andwarning/indicator lamps 44
5

Warning/indicator lamp
Possible causes/consequences and MSolutions
h
Tire pressure monitoring
sy stem warning lamp
fl ashes The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) flashes for app roxima tely one
minute and then remains lit.
The tire pressure monitoring system is malfunctioning.&
WARNING Thereis arisk of an accident if the tire pressure monitoring sy stem is malfunctioning
If th e tire pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss in
one or more of the tires.
Un derinflated tires ma y,forex ample, impair the driving, steering and braking characteristics.
#Ha ve the tire pressure monitoring sy stem checked at a qualified specialist workshop.
#Consult a qualified specialist workshop.
Display messages and warning/indicator lamps 44
7

Assistancegraphic
Menu (on-board computer) .................. 209
Assistance sy stems
see Driving saf etysy stem
ASS YST PLUS ........................................... 308
Battery disconnection pe riods .............3 09
Display ingthe service due date ........... 308
Fu nction/no tes ................................... 308
Re gular service work ........................... 308
Special service requirements .............. 308
ATA (Anti-Theft Alarm sy stem)
Deactivating the alarm .......................... 79
Fu nction ................................................ 78
ATA (anti-theft alarm system)
see Pr otection against theft
AT TENTION ASSIST ..........................195, 196
Ac tivating/deactivating .......................1 96
Fu nction .............................................. 195
Sy stem limitations .............................. .195
At tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivating media mode ........................ 287 Connecting USB devices ..................... 290
Co
pyright ............................................. 287
Information .......................................... 286
Inserting/ removing an SD card ...........2 87
Media sear ch....................................... 293
Overview ............................................. 289
Pa use and playback function .............. .290
Selecting a track ................................. 290
Selecting playba ckoptions .................. 290
Tr ack list .............................................. 290
Au thorized workshop
see Qualif ied specialist
workshop
Au tomati
c car wash (care) ......................3 15
Au tomatic distance control
see Dis tance Pilot DISTRONIC
Au tomatic driving lights .........................109
Au tomatic engine start (ECO start/
sto p function) .......................................... 133
Au tomatic engine stop (ECO start/
sto p function) .......................................... 133
Au tomatic front passen ger air bag
shu toff
see Front passenger air bag shutoff Au
tomatic mir rorfo lding function
Ac tivating/deactivating ........................ 119
Au tomatic transmission
DIRECT SELECT le ver ........................... 136
Drive program display .......................... 135
Drive programs .................................... 135
DY NA MIC SELECT switch .................... 135
Engaging drive position ....................... 138
Engaging reve rsege ar ........................ .137
Kickdown ............................................. 139
Manual gear shifting ............................ 138
Selecting pa rkposition ........................ 138
Shifting toneutral ................................ 137
St eering wheel gearshift paddles ........ .138
Tr ansmission position display .............. 136
Tr ansmission positions ........................ 136
Au tomatic transmission
see Selector le ver
B
Bag hook .................................................... 98
BA S (Brake Assist Sy stem) .................... .151
Battery Key........................................................ 57
450
Index

COMANDTouch App
see COMAND Touch
Comb ination switch
see Turn signal light
Compass .................................................. 263
Computer .................................................2 06
Connection status
Display s ............................................... 282
Overview ............................................. 282
Contacts ................................................... 269
Calling up ............................................ 270
Del eting .............................................. .271
Downloading (from mobile phone) ...... 269
Impo rting ............................................ .270
Information .......................................... 269
Making a call ....................................... 271
Na me form at ...................................... .270
Options ................................................ 271
Saving .................................................. 271
Controller Operating ............................................ 229
Con venience closing feature .................... 72
Con venience opening ................................ 71Coolant (engine)
Checking le vel .................................... .313
Filling capacity .................................... 380
No tes ................................................... 379
Cooling see Climate c
ontrol
Copyright Licenses ................................................ 28
Trademar ks............................................ 28
Co rnering light function ..........................110
Cross Traf fic Alert .................................. .194
Crosswind Assist Function/no tes ................................... 155
Cruise control .......................................... 160
Ac tivating .............................................1 61
Callin g up a speed .. ............................ .161
Deactivating ......................................... 161
Fu nction .............................................. 160
Le ver ....................................................1 61
Prerequisites ........................................1 61
Selecting .............................................. 161
Setting a speed .................................... 161
St oring a speed .................................... 161
Sy stem limits ....................................... 160 Cup holder
................................................ 101
Ins talling/ removing (center console) ... 101
Re ar bench seat ................................... 101
Cup holder see Cup holder
Cus tomer Assi stance Center (C AC)........ .25
Cus tomer Relations Department .............25
D
Dashboa rd
see Cockpit
Dashboard lighting ..................................2 08
Data acquisition Vehicle .................................................. 26
Data import/export Function/no tes .................................... 241
Importing/exporting ............................ 241
PIN pr otection for data export .............2 42
Daytime running lights ........................... .112
Ac tivating/deactivating ........................ 112
Daytim eru nning lights mode
see Daytime running lights
454
Index

Deactivating theala rm (ATA ).................... 79
Declaration of Conformity Wireless vehicle components ................2 3
Definitions (ti res and loading) ............... 359
Designs Menu (on-board computer) .................. 215
Destination .............................................. 25 6
Editing ................................................ .248
Editing the pr evious destinations ........ 256
En tering an intermedia tedestination ...2 48
Saving (cur rent vehicle position) ......... 256
Saving as global favo rite ...................... 256
St oring a map position ........................ 256
Destination entry ............................2 44,24 6
Entering a POI or address .................... 244
Entering geo-coordinates ..................... 247
Last destinations ................................. 246
Selecting a contact .............................. 247
Selecting a POI .................................... 246
Selecting from the map ....................... 247
Destination ent ry
see Intermediate destination
Diagnost ics connection ............................ 24Digita
lOperator' sManua l........................ .18
Digita lspeedome ter ................................ 210
DIRECT SELECT le ver............................... 136
Engaging drive position ....................... 138
Engaging pa rkposition automatically .. 138
Engag ing
reve rsege ar .
........................137
Fu nction .............................................. 136
Selecting pa rkposition ........................ 138
Shifting toneutral ................................ 137
Displa y
Car e.................................................... .319
Displa y(multimedi asy stem)
Settings .............................................. .236
Display (on-board co mputer) ................. 208
Display message .....................................3 84
Calling up (on-board co mputer) .......... .384
No tes ................................................... 384
Display messages ? ................................................... 410
C ................................................... 425
M ................................................... 425
N ................................................... 426 ¯
.................................................... 409
Ac tive Blind Spot Assi stCur rently
Un available See Operator's Manual .....4 06
Ac tive Blind Spot Assi stInoperative .... 406
Ac tive Blind Spot Asst. Not Available
When Towing a Trailer See Opera‐
to r's Manual ........................................ 406
Ac tive Brake Assi stFunctions Cur‐
re ntly Limited See Ope rator's Man‐
ual ....................................................... 395
Ac tive Brake Assi stFunctions Limi‐
te d See Operator's Manual .................. 395
bAc tive Headlamps Inoperati ve..... 427
Ac tive Hood Malfunction See Oper
a‐
to r's Ma
nual ........................................ 425
Ac tive Lane Keeping Assist Camera
Vi ew Restricted See Ope rator's Man‐
ual ....................................................... 405
Ac tive Lane Keeping Assist Cur rently
Un available See Operator's Manual .....4 04
Index 455

Unlocking (from inside) ........................ .59
Door cont rol panel .................................... .14
DO T,Tire Identification Number (TIN) ... 355
Drinking and driving ................................131
Driv eAwa y Assist .................................... 193
Driv eposition
Selecting ............................................ .138
Drive prog ram display ............................. 135
Driv eprog rams
see DYNA MIC SELECT
Driving light see Automatic driving lights
Driving saf ety sy stem ............................ .150
ABS (Anti-lock Braking Sy stem) ........... 151
Ac tive Brake Assi st.............................. 155
BA S (Brake Assist System) .................. .151
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 155
ESP
®(Electronic Stability Prog ram)
Crosswind Assist ................................. 155
Overview ..............................................1 51
Ra dar sensors .....................................1 50
Re sponsibility ...................................... 150 ST
EER CONTROL ................................. 155
Drivin gsaf ety sy stem
see ESP
®(Elect ronic Stability Prog ram)
Driving sy stem
DY NA MIC BODY CONTROL .................. 172
D
rivin gsy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Lane Keeping Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise contro l
see Dis tance Pilot DISTRONIC
see Driving safe ty system
see HOLD function
see Parking Assist PARKTRONI C
see Parking Pilot
see Rear view camera
see Remo teParking Pilot
see Speed Limit Pilot
see Steering Pilot
see Traf fic Sign Assist Drivin
gtips
Drinking and drivin g............................ .131
Gene ral driving tips .............................. 131
No tes on breaking-in a new vehicle ..... 131
Dr ows iness de tection
see ATTENTION ASSIST
Dr ows iness warning
see ATTENTION ASSIST
DY NA MIC BODY CONT ROL
Suspension .......................................... 172
Dynami chandling cont rol sy stem
see ESP
®(Elect ronic Stability Prog ram)
DY NA MIC SELECT ....................................1 35
Configuri ng drive program I ................. 136
Displ aying engine data ........................ 136
Displ aying vehicle data ........................ 136
Drive prog ram display ..........................1 35
Drive programs ....................................1 35
Fu nction .............................................. 135
Operating (DYNAMIC SELECT switch) ...... .......................................................1
35
Sel
ecting the drive prog ram ................1 35
Index459