
Display messages
Possible causes/consequences and M
MSolutions
Check brake pads See
Owner's Manual *T
he brake pads ha vereached thewe ar limit. &
WARNING Risk of accident due torestricted braking po wer
When the brake pads ha vereached their wear limit, the braking po wer may be restricted. #
Drive on carefully. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Consult a qualified specialist workshop.
6 Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is faulty (→ page 33). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem fault:
R there stra int sy stem warning lamp 6does not light up when the ignition is switched on.
R there stra int sy stem warning lamp 6lights up continuously or repeatedly during a journe y. #
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 477 

Display messages
Possible causes/consequences and M
MSolutions
6 Front left malfunction Con-
sult workshop (Example) *T
he cor responding restra int sy stem is malfunctioning (→ page 33). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem malfunction:
R there stra int sy stem warning lamp 6does not light up when the ignition is switched on.
R there stra int sy stem warning lamp 6lights up continuously or repeatedly during a journe y. #
Consult a qualified specialist workshop immediatel y.
6
Left windowbag malfunc-
tion Consult work-
shop (Example) *T
he cor responding windowbag is malfunctioning (→ page 33). &
WARNING Risk of inju ryor fata l injury due toa malfunction in the window airbag
The window airbag might be triggered unintentionally or might not be triggered at all in theeve nt of an accident
wi th high deceleration. #
Have the window airbag checked and repaired immediately at a qualified specialist workshop. #
Consult a qualified specialist workshop immediatel y.478
Displaymessa ges and warning/indicator lamps 

Display messages
Possible causes/consequences and M
MSolutions
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag is enabled while theve hicle is in motion:
R even when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat
R even when the front passenger seat is not occupied
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat. &
WARNING Risk of inju ryor fata l injury when using a child restra int sy stem while the front passenger airbag
is enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theev ent of an accident.
The child could be stru ck bythe airbag. #
Ensure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE FRONT AIRB AGin front of it;
DE ATH or SERIOUS INJU RYtotheCH ILD can occur. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff (→ page 43). #
If necessar y,consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 47 9 

Display messages
Possible causes/consequences and M
MSolutions
Front-passenger airbag dis-
abled See Owner's Manual *T
he front passenger airbag has been deactivated although an adult or a person with an adult stature is on the front
passenger seat. If additional forc es are applied tothe seat, thewe ight the sy stem de tects may be too lo w. &
WARNING ‑ Risk of inju ryor eve nfa ta l injury when the front passenger airbag is disabled
If th e front passenger airbag is disabled, It will not be deplo yed in theeve nt of an accident and cannot pe rform
its intended pr otective function.
A person in the front passenger seat could then, forex ample, come into con tact wi th theve hicle interior, espe‐
cially if the person is sitting too close tothe dashboard. #
Beaware of thest atus of the front passenger airbag bo thbefore and during the journe y. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff (→ page 43). #
If necessar y,consult a qualified specialist workshop immediatel y.
Active Brake Assist Func-
tions limited See Owner's
Manual *
Ve hicles with Driving Assistance Package: Active Brake Assi stwith cross-traf fic function, Evasi veSteering
Assist or PRE‑SAFE ®
PLUS is malfunctioning.
Ve hicles without Driving Assistance Package: Active Brake Assi stis malfunctioning. #
Consult a qualified specialist workshop. 480
Display messages and warning/indicator lamps 

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
6 Re stra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is faulty (→ page 32). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or might not
be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, forex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop immediatel y. Seat belt
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
lights up The
red seat belt warning lamp will light up once the engine has star ted.
In addition, a warning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt (→ page37).
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit. Display messa
ges and warning/indicator lamps 531 

Ad
justing the sound optimisation
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 386
Ad justing treble, mid- range and bass
settings
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 385
Burmes ter®
sur round sound sy stem ... 384
ADS PLUS damping sy stem
see AIR BODY CONTROL
Ad versewe ather light ............................ .127
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ .210
Setting ................................................. 212
Suspension .......................................... 210
Air conditioning sy stem
see Climate control
Air distribution Setting ................................................ .137
Air freshener sy stem
see Frag rance sy stem Air inlet
see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIR BODY CONTROL
Air vents ................................................... 147
Ad justing (front) ................................... 147
Ad justing (rear) .................................... 147
Glo vebox .............................................1 48
Air vents
see Air vents
Ai r-re circulation mode ............................ 14 0
Air-water duct .......................................... 395
Ke eping free ........................................3 95
Airbag ........................................................ .39
Ac tivation .............................................. 33
Fr ont airbag (driver, front passenger) ....39
Ins tallation locations ............................ .39
Knee airbag ........................................... 39
Overview ............................................... 39
PA SSENGER AIR BAG indicator lamp .... .43
Pr otection ..............................................39 Re
duced pr otection ...............................41
Side impact airbag ................................ 39
Wi ndow airbag ....................................... 39
Ai rflow
Setting ................................................ .137
AIRPANEL (Care) ...................................... 400
Alarm see Panic alarm
Alarm sy stem
see ATA (anti-theft alarm sy stem)
Alternative route
see Route
Ambient lighting Setting (mutlimedia sy stem) ................1 30
Android Auto ............................................ 343
Connecting a mobile phone ................. 344
Ending ................................................. 344
Information .......................................... 343
Overview ............................................. 343
Sound settings .................................... 344
Tr ans ferred vehicle data ......................3 45
Animals Pets in theve hicle ................................. 65 Index
543 

Au
tomatic engine stop (ECO start/
sto p function) .......................................... 15 6
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff ........................................... 41, 43
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 41
PA SSENGER AIR BAG indicator lamp .... .43
Au tomatic lateral support adjustment
Setting ................................................... 98
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .135
Au tomatic transmission
DIRECT SELECT le ver ........................... 161
Drive program display .......................... 16 0
Drive programs .................................... 15 9
DY NA MIC SELECT switch .................... 15 9
Engaging drive position ....................... 16 3
Engaging neutral .................................. 16 2
Engaging pa rkposition ........................ 16 2Engaging
reve rsege ar ........................ .162
Kickdown ............................................. 16 4
Manual gear changing ........................ .163
St eering wheel gearshift paddles ........ .163
Tr ansmission position display .............. 161
Tr ansmission positions ........................ .161
Au tomatic transmission (problem)
see Transmission (problem)
Axle load Perm issible .......................................... 450
Tr ailer operation .................................. 464 B
Bag hook .................................................. .112
Ball ne ck
Extending/r etra cting ........................... 24 6
BA S (Brake Assist Sy stem) .................... .182
Battery Cha rging (Remo teOnline) .................... 15 2
Ke y ........................................................ 69
Re mo tecontrol (s tationary heater) ...... 14 5
Battery see Battery (vehicle) Battery (vehicle)
...................................... 41 8
Charging .............................................. 417
No tes ................................................... 413
No tes (s tarting assis tance and
ch arging) .............................................. 41 5
Re placing .............................................4 18
St arting assis tance .............................. 417
Belt see Seat belt
Bic ycle rack
Tr ailer operation .................................. 250
Blind Spot Assist ...................................... 241
Ac tivating/deactivating ...................... .243
Fu nction ............................................... 241
Sy stem limitations ...............................2 41
Blo wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
................................................ 291
Information .......................................... 291
Setting up an Internet connection ....... 353
Switching on/off ................................. 291
Switching profile (DUN/PAN) .............. 354 Index
545 

Re
ar side wind ows................................. 65
Child seat Attach ing (no tes) ................................... 56
Fr ont passenger seat (no tes) ................. 54
Fr ont passenger seat (rear ward-
fa cing/for ward-facing) .......................... 55
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 55
ISOFIX/i-Size (fitting) ............................. 51
No tes on the safe transpor tation of
ch ildren ................................................ .47
Re commended child restra int sys‐
te ms ...................................................... 62
Seats suita blefor belt-secu redch ild
re stra int sy stems ................................... 57
Seats suitable for i‑Size child
re stra int sy stems ................................... 61
Seats suitable for ISOFIX child
re stra int sy stems ................................... 59
To pTe ther ..............................................53
Child seat see i-Size child seat securing sy stem
see ISOFIX child seat securing sy stem
Children Notes on safe transpor tation ................. 47Chock
...................................................... .440
St orage location ..................................4 40
Cho ck
see Chock
CI+ module ..............................................3 83
Calling up a menu ................................ 383
CI+ module (TV) Inserting a Smart Card ........................ 383
Cigar ette lighter
Fr ont centre console ............................ 11 7
City lighting .............................................. 127
Cleaning see Care
Climate control ........................................ 137
Ac tivating/deactivating the A/C
function (cont rol panel) ...................... .138
Ac tivating/deactivating the A/C
function (multimedia sy stem) .............. 13 8
Ac tivating/deactivating the synchro‐
nisation function (cont rol panel) .......... 13 9
Ac tivating/deactivating the synchro‐
nisation function (multimedia sys‐
te m) ..................................................... 14 0Air di
stribution settings .......................1 39
Air-recirculation mode ......................... 14 0
Au tomatic control ................................ 13 9
Climate style function .......................... 13 9
Defrosting the windscreen ...................1 37
Demi sting windo ws............................. 14 0
Fr ont air vents ..................................... 147
Glo vebox air vent ................................ 14 8
Inserting/removing theflacon (fra‐
gr ance sy stem) .................................... 141
Ionisation ............................................. 14 0
Re ar air vents ....................................... 147
Re ar operating unit .............................. 137
Re sidual heat ....................................... 14 0
Sets the air flow ................................... 137
Setting rear climate control (multi‐
media sy stem) .....................................1 39
Setting the air distribution ...................1 37
Setting the climate style ......................1 39
Setting the fragrance sy stem ............... 14 0
Setting thete mp erature ......................1 37
St ationary heater/ ventilation .............. 14 2
Switching on/off ................................. 13 8
Switching there ar wind owheater
on/off .................................................. 137
THERMATIC contro l panel .................... 137548
Index