Display messages
Possible causes/consequences and M
MSolutions
Air conditioning Malfunc-
tion See Owner's Manual *O
peration of the climate control sy stem is temp orarily restricted. Air flow and fresh air supply are set toautomatic
mode. #
Have the climate control sy stem checked at a qualified specialist workshop.
_ Before starting the engine,
turn the steering wheel. *
Ve hicles with manual transmission: the electric steering lock was unable tounlo ckthesteering. #
Switch the ignition off. #
Tounlo ckthesteering, mo vethesteering wheel slightly tothe left and right. #
Switch the ignition back on.
Ð Steering malfunction See
Owner's Manual *
Ve hicles with manual transmission: the electric steering lock is malfunctioning. The steering may be loc kedby
th e electric steering loc k. &
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. #
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. Display messages and
warning/indicator lamps 485
Display messages
Possible causes/consequences and M
MSolutions
M *T
he engine bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. #
Never unlock the engine bonn etwhen driving. #
Before every trip, ensure that the engine bonn etis loc ked. #
Pull over and stop theve hicle safely as soon as possible. #
Close the engine bonn et.
C *A
t least one door is open. #
Close all doors. Displ
aymessa ges and warning/indicator lamps 489
Display messages
Possible causes/consequences and M
MSolutions
N *T
he boot lid is open. &
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
ve hicle interior if the boot lid is open when the engine is running, especially if theve hicle is in motion. #
Alw ays switch off the engine before opening the boot lid. #
Never drive with the boot lid open. #
Close the boot lid.
_ Example:Rear left seat
backrest not locked *T
he cor responding seat backrest of there ar ben chseat is not engaged. #
Foldthe cor responding seat backrest back until it engages.
¥
Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped below the minimum. #
Top up thewa sher fluid . 490
Display messages and warning/indicator lamps
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
J Brake sy stem warning lamp The
red brake sy stem warning lamp is lit while the engine is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Thereis a risk of an accident if brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, the wheels may lock when braking. Braking characteristics may be
impaired. The braking dis tance may increase in an eme rgency braking situation. #
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. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
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.
Do not top up the brake fluid. 496
Display messages and warning/indicator lamps
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
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. #
Obser vethe messages in the multifunction displa y. #
Consult a qualified specialist workshop.
! ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional acoustic warning signal, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be faulty. &
WARNING Thereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely impaired. The braking dis tance may increase in
an emergency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages in the multifunction displa y. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 497
1,
2, 3 ...
12 V so cket
see Soc ket (12 V)
230 V so cket ............................................ 11 9
360° Camera ............................................ 214
Assigning as a favo urite ...................... .217
Care .................................................... .374
Fu nction ............................................... 214
Selecting a view ................................... 216A
A/C function Activating/deactivating (control
panel) .................................................. 14 3
Ac tivating/deactivating (multimedia
sy stem) ................................................ 14 3
ABS (Anti-lock Braking Sy stem) ............ .180
Ac celeration
see Kickdown
Ac cess data
Editing ................................................ .332
Setting ................................................. 330 Ac
oustic locking verification signal
Swit ching on/off .................................. .65
Ac tive Blind Spot Assi st......................... 232
Ac tivating/deactivating ...................... .234
Brake application ................................. 232
Fu nction/no tes ................................... 232
Sy stem limits ....................................... 232
Tr ailer operation .................................. 232
Ac tive bonn et(pedestrian pr otection) .. 364
Operation ............................................ 364
Re setting ............................................. 364
Ac tive Brake Assi st................................. 185
Fu nction/no tes ................................... 185
Setting ................................................. 189
Ac tive Eme rgency Stop Assist ................ 201
Ac tive Lane Change Assi st..................... 201
Ac tive Lane Keeping Assist .................... 234
Ac tivating/deactivating ...................... .236
Fu nction .............................................. 234
Sensitivity (function/no tes) ................. 237
Setting the sensitivity .......................... 237
Sy stem limits ....................................... 234
Tr ailer operation .................................. 234 Ac
tive light function ................................ 12 6
Ad aptive brake lights ..............................19 0
Ad aptive cruise control
see Dis tance Pilot DISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist Plus
Ac tivating/deactivating ...................... .129
Fu nction .............................................. 12 8
Ad Blue ®
.................................................... 429
Ad ditives .............................................4 29
Filling capacity ................................... .430
Low outside temp eratures ...................4 29
No tes ................................................... 16 9
Purity ................................................... 429
Ad ditional door lo ck.................................. 68
Ad diti ves.................................................. 430
Ad Blue ®
............................................... 429
Engine oil ............................................ 430
Fu el ..................................................... 427
Ad diti ves (engine oil)
see Additives 51 0
Index
Animals
Pets in theve hicle ................................. 63
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-theft alarm sy stem
Anti- theft pr otection .............................. 87
Anti-theft pr otection ................................ .87
Ad ditional door lock .............................. 68
AT A (anti-theft alarm sy stem) ................87
Immobiliser ............................................ 87
Interior pr otection ................................. 89
St opping the alarm (A TA) .......................88
To w- aw ay protection ............................. 88
Anticipatory occupant pr otection .....4 4, 45
Ap ple CarPlay™ ....................................... 326
Connecting an iPhone ®
....................... 327
Ending ................................................. 327
Overview ............................................. 326
To ne settings ....................................... 327
Tr ans ferred vehicle data ......................3 29
Ashtr ay
Fr ont centre console ............................ 11 7
Re ar .................................................... .117 Assistance
graphic
Menu (on-boa rdcompu ter) .................. 24 8
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS ........................................... 363
Battery disconnection pe riods .............3 64
Displ aying the service due date ........... 363
Fu nction/no tes ................................... 363
Re gular service work ........................... 363
Special service requirements .............. 363
ATA (anti-theft ala rmsystem)
Fu nction ................................................ 87
St opping the alarm ................................ 88
ATA (anti-theft ala rmsystem)
see Anti- theft pr otection
AT TENTION ASSI ST......................... 228, 229
Ac tivating/deactivating ...................... .229
Fu nction .............................................. 228
Sy stem limitations ...............................2 28
At tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivating media mode ........................ 338 Connecting USB devices ...................... 341
Co
pyright ............................................. 338
Information .......................................... 337
Inserting/re moving an SD card .......... .338
Media sea rch ....................................... 344
Overview ............................................. 340
Pa use and playback function .............. .341
Selecting a track .................................. 341
Selecting pl ayback options .................. 341
Tr ack list .............................................. 341
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Dis tance Pilot DISTRONIC
Au tomatic driving lights .........................124
Au tomatic engine start (ECO start/
sto p function) .......................................... 15 8
Au tomatic engine stop (ECO start/
sto p function) .......................................... 15 8
Au tomatic front passen ger airbag
shu toff
see Front passenger airbag shutoff 512
Index
Boot lid
....................................................... 73
Ac tivating/deactivating the boot lid
opening limiter ...................................... 78
Closing .................................................. .74
HANDS-FREE ACCESS .......................... .76
Loc ked separately .................................77
Opening .................................................73
Opening dimensions ............................4 33
Boot lid see Boot lid
see Locking/unlocking
Boot load ................................................. .434
Brake Assist Sy stem
see BAS (Brake Assi stSystem)
Brake fluid
No tes ................................................... 431
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 184
Brakes ABS (Anti-lock Braking Sy stem) ........... 180
Ad aptive brake lights .......................... .190
BA S (Brake Assi stSystem) ...................1 81
Driving tips .......................................... 15 6EBD (Electronic Brake
forc e Distribu‐
tion) ..................................................... 184
HOLD function .................................... .203
Limi ted braking ef fect (salt-trea ted
ro ads) .................................................. 15 6
New/replaced brake linings/brake
discs .................................................... 15 6
Ru nning-in no tes ..................................1 56
Brakes see Active Brake Assi st
Braking assistance see BAS (Brake Assi stSystem)
Breakdown ............................................... 381
Assis tance overview .............................. 18
To w- starting ........................................ 397
To wing away ........................................ 393
Tr ansporting theve hicle ......................3 95
Wheel change ...................................... 414
Breakdown assistance call see Service call
Breakdown management see Service call Burmes
ter®
high-end 3D sur round
sound sy stem
Ad justing the balance/fader ................3 61
Ad justing the sound optimisation ........ 362
Ad justing treble, mid and bass ............ 361
Calling up the sound menu .................. 361
Information .......................................... 361
Setting the sound profile ..................... 362
Burmes ter®
sur round sound sy stem .....3 60
Ad justing the balance/fader ................3 61
Ad justing the sound focus ................... 361
Ad justing treble, mid and bass ............ 361
Calling up the sound menu .................. 360
Information .......................................... 360
Switching the sur round sound on/off
............................................................ .361
Buttons Steering wheel .....................................2 45 C
CA module (TV) ........................................ 360
Calling up a menu ................................ 360
Inse rting .............................................. 359 514
Index