
Warning/indicator lamp
Possible causes/consequences and MSolutions
÷
ESP®warning lamp lights
up The
yellow ESP
®wa rning lamp is lit while the engine is running.
ESP
®is malfunctioning.
Other driving and driving safe ty systems may also be malfunctioning.
&
WARNING Risk of skidding if ESP®is malfunctioning
If ESP
®is malfunctioning, ESP®cannot car ryout vehicle stabilization. In addition, other driving saf etysy stems are
switched off.
#Drive on carefull y.
#Have ESP®checked at a qualified specialist workshop.
#Drive on carefully.
#Obser vethe messages in the multifunction displa y.
#Consult aqualified specialist workshop.
Display messages and warning/indicator lamps 435

Seat belts
Warning/indicator lamp
Possible causes/consequences and MSolutions
7
Seat beltwarning lamp
lights up Af
terst arting the engine, there d seat belt warning lamp lights up for 6 seconds.
In addition, an acou stic wa rning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts.#Fa sten your seat belt .
If yo u ha veplaced objects on the front passenger seat, thewa rning lamp may remain lit.
7
Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermitte ntwa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion.#Fa sten your seat belt .
There are objects on the front passenger seat.
#Re mo vethe objects from the front passenger seat.
Display messages and warning/indicator lamps 439

Drivingsy stems
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
·
Distance warning lamp The
red dis tancewarning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed.#Be prepared tobrake immediatel y.
#Increasethe dis tance.
Ac tive Brake Assi st.
44 0
Displ aymessage s andwarning/indicator lamps

Engine
Warning/indicator lamp
Possible causes/consequences and MSolutions
;
Engine diagnosiswarning
lamp The
yellow engine diagnosis warning lamp is lit while the engine is running.
A malfunction has occurr ed inthe engine, theex haust sy stem or the fuel sy stem.
The emissions limit values may be exceeded and the engine may be running in emergency operation mode.
In some states, legal requ irements stipulate that you must immediately consult a qualified specialist workshop as soon
as theye llow engine diagnosis warning lamp lights up.
#Ha ve theve hicle checked as soon as possible at a qualified specialist workshop.
#
Electrical malfunction warn‐
ing lamp The
red electri cal malfunction warning lamp is lit.
There is a malfunction in the electrics.#Obser vethe messages in the multifunction displa y.
8
Fuelreser vewarning lamp The
yellow fuel reser ve wa rning lamp lights up while driving.
There has been pressure loss in the fuel sy stem. The fuel filler cap is not closed cor rectly or the fuel sy stem is leaking.#Close the fuel filler cap.
#If th e fuel filler cap was already proper lyclosed: consult a qualified specialist workshop.
44 2
Displ aymessage s andwarning/indicator lamps

Tire s
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
h
Tire pressure monitoring
sy stem warning lamp lights
up The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring sy stem has de tected tire pressure loss in at least one of the tires.&
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
RThe tires may bur st, especially as the load and vehicle speed increase.
RThe tires may wearexc essively and/or une venly, which may greatly impair tire traction.
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
#Obser vethere commended tire pressure.
#Ad just the tire pressure if necessar y.
#Stop theve hicle, paying attention toroad and traf fic conditions.
#Check the tire pressure and the tires.
44 6
Displ aymessage s andwarning/indicator lamps

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

ÐSteering Malfunction Inc reased
Ph ysical Ef fort See Opera tor's Man‐
ual .......................................................4 24
ÐSt eering Malfunction Stop
Immediately See Operator's Manual ....424
èSt eering Pilot Cur rently Unavail‐
able See Operator's Manual ................ 409
èSt eering Pilot Inoperative ............ 409
St op Vehicle Lea veEngine Running
Wa itTransmission Cooling .................. 422
#St opVehicle Lea veEngine Run‐
ning ...................................................... 413
#St opVehicle See Operator's
Manual .................................................4 12
ÉSt opVehicle Vehicle Too Low ...... 402
bSwitch Off Lights .........................428
bSwitch On Headlamp s................. 428
Ti re Press. Monitor Cur rently
Un available .......................................... 416
Ti re Press. Monitor Inoperative ............417 Ti
re Pressure Monitor Inoperative No
Wheel Sensors .....................................4 17
Ti re s Overheated ..................................4 17
Ti re s Overheated Decrease Speed .......418
To Deselect P or N,Dep ress Brake
and Start Engine .................................. 420
To Engage Transmiss. Position R Fir st
Dep ress the Brake .............................. .4
23
Tr af fic Si
gn Assist CameraView
Re stricted See Ope rator's Manual .......408
Tr af fic Sign Assist Currently Unavail‐
able See Operator's Manual ................ 407
Tr af fic Sign Assist Inoperative............. 408
Tr ansmission Malfunction Stop ........... 422
FTu rnOn the Ignition to Release
th ePa rking Brake ................................ 390
dVe hicle Operational Switch the
Ignition Off Before Exiting .................... 421
ÉVe hicle Rising Please Wait.......... .402
ÉVe hicle Rising .............................. 401 hWa
rning Tire Malfunction .............416
hWheel Sensor(s) Missing ..............417
Distance cont rol
see Dis tance Pilot DISTRONIC
Di stance Pilot DISTRONIC ...................... .162
Ac tivating ............................................ 165
Ac tivation conditions ........................... 165
Ac tive Emergency Stop Assist .............. 171
Ac tive Lane Change Assi st................... 170
Callin g up a speed .............................. .165
Deactivating ........................................ 165
Fu nction .............................................. 162
Le ver ................................................... 165
Setting a speed ................................... 165
St oring a speed ................................... 165
Sy stem limits ....................................... 162
Distance recorder .................. ...
...............
210
DISTRONIC see Di stance Pilot DI STRONIC
Door Locking (emergency key) ...................... .63
Opening (from inside) ............................5 9
Un locking (emer gency key) .................. .63
458
Index