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 34).
If yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit. 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.
Fu nction of Active Brake Assi st . Displ
aymessa ges and warning/indicator lamps 499
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 379). #
Makesure 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. 502
Display messages and warning/indicator lamps
Ac
tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ad aptive brake lights ..............................186
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 ............................................... 121
Switching on/off ................................. 12 3
Ad Blue ®
.................................................... 433
Ad ditives .............................................4 33
Capacity .............................................. 434
Fill le vel .............................................. .230
No tes ................................................... 16 6
Purity ................................................... 433
Ra nge ................................................. .230
To pping up ...........................................1 66
Ad ditional value range
Setting display content ........................ 228
Ad diti ves.................................................. 434
Ad Blue ®
............................................... 433
Engine oil ............................................ 434 Fu
el ..................................................... 431
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 justable damping ................................ 19 6
Ad justing the balance/ fader
Burmes ter®
sur round sound sy stem ... 360
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 360
Ad justing treble, mid- range and bass
settings
Burmes ter®
sur round sound sy stem ... 359
Ad versewe ather light ............................ .121
Af ter-sales service centre
see ASS YST PLUS
Air inlet see Air-water duct Air pressure
see Tyre pressure
Air vents ................................................... 14 0
Ad justing (front) .................................. 14 0
Ad justing (rear) .................................... 14 0
Air vents
see Air vents
Ai r-re circulation mode ............................ 13 4
Air-water duct .......................................... 381
Ke eping free ........................................3 81
Airbag ........................................................ .36
Ac tivation .............................................. 30
Fr ont airbag (driver, front passenger) ....36
Ins tallation locations ............................ .36
Knee airbag ........................................... 36
Overview ............................................... 36
PA SSENGER AIR BAG indicator lamp .... .40
Pr otection ..............................................37
Re duced pr otection ...............................38
Side impact airbag ................................ 36
Wi ndow airbag ....................................... 36
Alarm see Panic alarm 506
Index
Media sear
ch....................................... 340
Overview ............................................. 336
Pa use and playback function .............. .337
Selecting a track ................................. 337
Selecting pl ayback options .................. 337
Switching on media mode ...................3 35
Tr ack list .............................................. 337
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ..........................11 8
Au tomatic engine start (ECO start/
sto p function) .......................................... 14 8
Au tomatic engine stop (ECO start/
sto p function) .......................................... 14 8
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 .......................................... 39, 40
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 39
PA SSENGER AIR BAG indicator lamp .... .40
Au tomatic lateral support adjustment
Setting ................................................... 92
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .130
Au tomatic transmission
DIRECT SELECT le ver ........................... 15 3
Drive program display .......................... 151
Drive programs .................................... 15 0
DY NA MIC SELECT switch .................... 15 0
Engaging drive position ....................... 15 5
Engaging neutral .................................. 154
Engaging pa rkposition ........................ 154
Engaging reve rsege ar ........................ .154
Kickdown ............................................. 15 6
Manual gear changing ........................ .155
St eering wheel gearshift paddles ........ 15 5
Tr ansmission position display .............. 15 3
Tr ansmission positions ........................ 15 3Au
tomatic transmission (problem)
see Transmission (problem)
Axle load Perm issible .......................................... 427
Tr ailer operation .................................. 441 B
Bag hook .................................................. 107
BA S (Brake Assist Sy stem) .................... .179
Battery Key ........................................................ 73
Re mo tecontrol (s tationary heater) ...... 13 8
Battery see Battery (vehicle)
Battery (vehicle) ...................................... 400
Charging .............................................. 399
No tes .................................................. 396
No tes (s tarting assis tance and
ch arging) ............................................ .397
Re placing ............................................ 400
St arting assis tance .............................. 399
Belt see Seat belt 508
Index
Blind Spot Assi
st...................................... 217
Ac tivating/deactivating ...................... .218
Fu nction ............................................... 217
Sy stem limitations ...............................2 17
BlueTEC see AdBlue ®
Blue tooth ®
............................................... 263
Information .......................................... 263
Setting up an Internet connection ....... 327
Switching on/off ................................. 263
Switching profile (DUN/PAN) .............. 328
Blue tooth ®
audio
Ac tivating ............................................ 345
De-authorising (de-regis tering) the
device .................................................. 346
Information .......................................... 343
Overview .............................................3 44
Sea rching for a track ........................... 346
Sear ching for and auth orisingthe
device .................................................. 345
Selecting a media pla yer ..................... 346
Switching device via NFC .................... 346
Brake Assist Sy stem
see BAS (Brake Assi stSystem) Brake fluid
Notes .................................................. 435
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 183
Brakes ABS (Anti-lock Braking Sy stem) ........... 178
Ac tive Brake Assi st.............................. 183
Ad aptive brake lights .......................... .186
BA S (Brake Assi stSystem) .................. 17 9
Driving tips .......................................... 14 3
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 183
HOLD function .................................... .195
Limi ted braking ef fect (salt-trea ted
ro ads) .................................................. 14 3
New/replaced brakepads/brake discs .................................................... 14 3
Ru nning-in no tes ..................................1 43
Braking assi stance
see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions .............. 16
Re covering .......................................... 403 To
w- starting ........................................ 405
To wing away ........................................ 401
To wing away intheev ent of front
axle damage ........................................4 04
To wing away intheev ent of malfunc‐
tions ....................................................4 04
To wing away intheev ent of rear axle
damage .............................................. .404
To wing away,va rious malfunctions
(no tes) .................................................4 03
Tr ansporting theve hicle ......................4 04
Wheel change ...................................... 419
Breakdown see Flat tyre
Breakdown assistance call see Mercedes me connect
Burmes ter®
sur round sound sy stem .....3 59
Ad justing the balance/fader ............... 360
Ad justing the sound focus ................... 360
Ad justing treble, mid-range and bass
settings ............................................... 359
Au tomatic volume adjustment ............ .360
Calling up the sound menu .................. 359
Information .......................................... 359 Index
509
Switching
the sur round sound on/off
............................................................ .360
Business telephony
Setting up an Internet connection ...... .326
Buttons Steering wheel .................................... 226 C
Call list Making a call ........................................3 11
Overview ..............................................3 11
Calling up the sound menu
Burmes ter®
sur round sound sy stem ... 359
Calls ..........................................................3 07
Ac cepting ............................................ 307
Ac tivating functions du ring a call ........ 308
Calls wi thseveral participants ............ .308
Declining ............................................. 307
Ending a call ........................................ 307
Incoming call during an existing call .... 308
Making ................................................ 307
Vi ath eov erhead control panel
(Mercedes me connect) ....................... 319Camera
see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care) ........................................3 81
Care .......................................................... 388
Air-water duct ...................................... 381
Car wash ............................................. 381
Carpet .................................................3 88
Decorative foil .................................... .384
Displ ay................................................ 388
Exterior lighting ................................... 386
High-pressure cleaner ......................... 382
Matt finish ........................................... 383
Pa int wo rk ............................................ 383
Plastic trim .......................................... 388
Re alwo od/trim elements ...................3 88
Re versing camera ................................ 386
Ro of lining ...........................................3 88
Seat belt .............................................. 388
Seat co ver ........................................... 388 Sensors ............................................... 386
Ta
ilpipes .............................................. 386
Tr ailer hit ch......................................... 386
Wa shing byhand ................................. 382
Wheels/rims ....................................... 386
Wi ndo ws .............................................. 386
Wi per blades .......................................3 86
Carpet (Care) .......................................... .388
Changing gears ........................................ 15 5
Manually ..............................................1 55
Changing hub caps .................................. 419
Changing the lights
Driving abroad (symm etrical dipped
beam) ................................................... 11 7
Cha rging
Bat tery (vehicle) .................................. 399
Mobile phone (wireless) .......................1 14
USB port ..............................................1 14
Child saf ety lock
Ac tivating/deactivating (multimedia
sy stem) ................................................ 267
Re ar door .............................................. 68
Re ar side wind ows................................. 69 51 0
Index
Ac
tive Brake Assi stFunctions limited
See Owner's Manual ........................... 453
Ac tive Dis tance Assi stavailable
again .................................................. .460
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........460
Ac tive Dis tance Assi stinope rative ...... 460
Ac tive Lane Keeping Assist Camera
view restricted See Owner's Manual ... 462
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........457
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 458
bAc tive Light Sy stem inoperative .. 489
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual ......................................... 463
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual ................................................ 491 Ad
aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .490
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .490
¯ AdBlue sy stem fault Engine
st art not possible ................................ 470
¯ AdBlue sy stem fault Perf.
re duced in XXX km See Owner's
Manual ................................................ 470
¯ AdBlue sy stem fault Perf.
re duced: XXX mph No start in XXX
miles .................................................... 470
¯ AdBlue sy stem fault See Own‐
er's Manual ........................................ .469
4Ad d 1 litre engine oil when next
re fuelling ............................................. 468
Air intake malfunction See Owner's
Manual ................................................ 485 Apply brake
todeselect Park (P)
position ...............................................4 72
App lybrake toselect R ........................ 473
À ATTENTION ASSIST inoperative ... 459
ÀAT TENTION ASSIS T:Take a
break! .................................................. 456
bAu tomatic driving lights inoper‐
ative .................................................... 490
Au xilia rybattery malfunction ...............473
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 462
Blind Spot Assist inope rative ............... 456
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 58
ÁChange key bat teries ...................4 79
JChe ckbrake fluid le vel................ 448
Check brake pads See Owner's Man‐
ual ...................................................... .456
hChe cktyre(s) ............................... 474
! Clean the fuel filter .................... .463 514
Index
St
op vehicle Lea veengine running
Wa itTransmission cooling ...................472
# Stop vehicle Lea veengine run‐
ning ..................................................... 464
#St opvehicle See Owner's Man‐
ual .......................................................4 65
çsuspended .................................. 459
bSwitch off lights .......................... 489
bSwitch on headla mps.................. 490
To shift out of P or N,depress brake
and start engine .................................. 472
Ø Top up AdBlue Perf.re duced in
XXX miles See Owner's Manual ...........471
Ø Top up AdBlue Perf.re duced:
XXX km/h Nostart in XXX km .............471
To p up coolant See Owner ’sManual ... 464
¥To p upwasher fluid .................... .487
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 457Tr
af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 457
Tr af fic Sign Assi stinope rative ............. 457
Tr ansmission Malfunction Stop ............ 471
! Turn on the ignition torelease
th e parking brake ................................ 443
h Tyre press. monitor cur rently
una vailable .......................................... .476
h Tyre press. monitor inoperative
No wheel sensors ................................ 476
h Tyre press. monitor inoperative ...476
Ty re(s) ove rheated ...............................4 77
h Warning tyre defect .....................474
h Wheel sensor(s) missing ..............476
Wi thout changing gear, consult work‐
shop ....................................................4 72
Distance cont rol
see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance DI
STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Child sa fety lo ck(rear door) .................. 68
Locking (emer gency key) ...................... .76
Opening (from the inside) ......................76
Un locking (emer gency key) .................... 76
Un locking (from the inside) .................... 76
Door cont rol panel .................................... .14
Dr aw bar
see Tow- bar sy stem
Drinks holder see Cup holder
Drive Away Assist .................................... 212
Drive position Engaging ..............................................1 55
Drive prog ram
see G-Mode
Drive prog ram display ............................. 151
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat Index
517