Instrument display
Wa
rning and indicator lamps:
L Low beam(→
page147)
T St
anding lights (→ page147)
K High beam(→
page149)
#! Tu
rn signal lights(→ page149) R
Re
ar fog light(→ page147)
6 Re
stra int sy stem(→ page618)
ü Seat belt not
fastened(→ page 623)
J Brakes (yellow)(
→page 618)
J Brakes (red)(→
page618)
! Electric parking brake (yell
ow)
( → page 618)
! Electric parking brake (red)
(→
page 618)
! ABS malfunctioning(
→page 618)
÷ ESP®
(→ page 618)
å ESP®
OFF(→ page618)
L Distance warning(→ page 624) Ð
Po
we r-assis tedsteering malfunction‐
ing( →page 624)
à DY
NA MIC BODY CONTROL malfunc‐
tioning
à AIRMATIC malfunctioning
+ Off-road
gear (→ page197)
; Engine diagnosis (→
page 626)
% Preglow
# Electrical
fault (→ page 626)
æ Fu
elreser vewith fuel filler flap loca‐
tion indicator (→ page 626)
? Coolant
too hot/cold (→ page 626)
h Ty
re pressure monitoring sy stem
(→ page 628)
ï Tr
ailer hit chis not operational or is
swivelling(→ page 624) Display messages and
warning/indicator lamps 617
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
÷ ESP ®
wa rning lamp flashes The
yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
At least one wheel and tyre assemb lyhas reached its traction limit (→ page216). #
Adapt your driving style to suit thero ad and weather conditions.
÷ ESP ®
wa rning lamp lights
up The
yellow ESP ®
wa rning lamp is lit while the engine is running.
ESP ®
is malfunctioning
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems are
switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 621
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Drive on carefull y. #
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 (→ page 38).
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit.
7 Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion. #
Fasten your seat belt(→ page 38).
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. Display messages and
warning/indicator lamps 623
Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
L Wa rning lamp for dis tance
wa rning function 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. #
Increase the dis tance.
Ac tive Brake Assi st .Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Ð Po we rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp is lit while the engine is running.
The po wer-assis tedsteering or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Consult a qualified specialist workshop. 624
Display messages and warning/indicator lamps
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (→ page 492). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. 628
Display messages and warning/indicator lamps
Fu
nction ............................................... 241
Ac tive Lane Keeping Assist .................... 289
Ac tivating/deactivating ...................... .291
Ac tivating/deactivating thewa rning .... 291
Fu nction .............................................. 289
Setting the sensitivity .......................... 291
Sy stem limitations ...............................2 89
Ac tive Parking Assist .............................. 275
Cross Traf fic Alert ............................... 280
Drive AwayAssi st................................ 279
Exiting a pa rking space ........................ 278
Fu nction .............................................. 275
Manoeuvring assis tance ...................... 280
Pa rking ................................................ 276
Sy stem limitations ...............................2 75
Ac tive Se rvice Sy stem PLUS
AS SYST PLUS ...................................... 487
Ac tive Speed Limit Assi st....................... 237
Display ................................................ 237
Fu nction .............................................. 237
Ac tive Steering Assist ............................ .239
Ac tivating/deactivating ...................... .241
Ac tive Emergency Stop Assist .............2 42
Ac tive Lane Change Assi st................... 241Displ
ays in the Instrument Display ...... 24 3
Fu nction .............................................. 239
Sy stem limitations ...............................2 39
Ac tive Traf fic Jam Assist
Fu nction .............................................. 24 3
Ad aptive brake lights .............................. 227
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 15 2
Switching on/off ................................. 15 3
Ad Blue ®
.................................................... 555
Ad ditives .............................................5 55
Capacity .............................................. 556
Consu mption ....................................... 556
Fill le vel .............................................. .305
No tes .................................................. 202
Purity ................................................... 555
Ra nge .................................................. 305
To pping up ...........................................2 03
Ad ditional door lo ck.................................. 81Ad
diti ves.................................................. 556
Ad Blue ................................................. 555
Engine oil ............................................ 556
Fu el ..................................................... 554
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
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 486
Burmes ter®
sur round sound sy stem ... 484
Ad justing the bass, mid- range and
treble
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 485 Index
631
Ambient lighting
Setting (mutlimedia sy stem) ................1 54
Android Auto ............................................ 443
Connecting a mobile phone ................ .443
Ending ................................................. 444
Information ..........................................4 43
Overview ............................................. 443
Sound settings .................................... 444
Tr ans ferred vehicle data ......................4 44
Animals Pets in theve hicle ..................................76
Answering e-mails see In Car Of fice
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-theft alarm sy stem
see ATA (anti-theft alarm sy stem)
Anti-theft pr otection
Ad ditional door lock ...............................81
Immobiliser .........................................1 02
Anti-theft pr otection
see ATA (anti-theft alarm sy stem) Anticipatory occupant pr
otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay™ ....................................... 441
Connecting an iPhone ®
...................... .442
Ending ................................................. 443
No tes .................................................. 442
Overview ..............................................4 41
Sound settings .................................... 443
Tr ans ferred vehicle data ......................4 44
Asht ray
Fr ont centre console ........................... 14 0
Assistance sy stems
see Driving saf ety sy stem
Assistant display Menu (on-board computer) .................. 305
ASS YST PLUS ........................................... 487
Battery disconnection pe riods .............4 88
Displ aying the service due date ........... 487
Fu nction/no tes ................................... 487
Re gular maintenance work .................. 487
Special service requ irements .............. 487 ATA
(anti-theft ala rmsystem) ................ .102
Deactivating the alarm ........................ 103
Fu nction .............................................. 102
Fu nction of interior pr otection .............1 04
Priming/deactivating interior pr otec‐
tion ...................................................... 104
Priming/deactivating tow- aw ay pro‐
te ction ................................................. 104
To w- aw ay protection function .............. 103
AT TENTION ASSI ST.......................... 281, 282
Fu nction .............................................. 281
Setting ................................................. 282
Sy stem limitations ...............................2 81
At tention assistant
see ATTENTION ASSIST
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights .........................14 8
Au tomatic engine start (ECO start/
st op function) .......................................... 187 Index
633
Boot lid
see Tailgate
Brake Assist Sy stem
see BAS (Brake Assi stSystem)
Brake fluid
No tes .................................................. 558
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 221
Brakes ABS (Anti-lock Braking Sy stem) ........... 215
Ac tive Brake Assi st.............................. 221
Ad aptive brake lights .......................... .227
BA S (Brake Assi stSystem) ...................2 15
Driving tips .......................................... 182
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 221
HOLD function .....................................2 45
Limi ted braking ef fect (salt-trea ted
ro ads) .................................................. 182
New/replaced brakepads/brake
discs .................................................... 181
Ru nning-in no tes ..................................1 81Braking assistance
see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions .............. 18
To w- starting ........................................ 522
To wing away ......................................... 51 8
Tr ansporting theve hicle ......................5 20
Wheel change ...................................... 539
Breakdown see Flat tyre
Bu rm ester ®
high-end 3D sur round
sound sy stem
Ad justing the balance/fader ............... 486
Ad justing the sound optimisation ........ 486
Ad justing treble, mid-range and bass
settings ............................................... 485
Au tomatic volume adjustment ............ .486
Calling up the sound menu .................. 485
Information .......................................... 485
Selecting the sound profile .................. 486
Burmes ter®
sur round sound sy stem .....4 84
Ad justing the balance/fader ............... 484
Ad justing the sound focus ................... 485 Ad
justing treble, mid-range and bass
settings ............................................... 484
Au tomatic volume adjustment ............ .484
Calling up the sound menu .................. 484
Information .......................................... 484
Selecting the sound profile .................. 485
Butto ns
St eering wheel .................................... 300 C
Call list Deleting ............................................... 436
Making a call ....................................... 435
Overview ............................................. 435
Selecting options for suggestions ........ 435
Calling up the sound menu
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 485
Burmes ter®
sur round sound sy stem ... 484
Calls ..........................................................4 30
Ac cepting ............................................ 430
Ac tivating functions du ring a call ........ 430
Calls wi thseveral participants ............ .431
Declining ............................................. 430 Index
635