
Display messages
Possible causes/consequences and M
MSolutions
AdBlue system fault Perf.
reduced in XXX km See
Owner's Manual
¯
AdBlue system fault Perf.
reduced: XXX mph No start
in XXX miles *
Po we rre duction due totheAd Blue ®
sy stem fault. Af terth e dis tance displ ayed has been co vered, it will no longer
be possible tostart the engine. #
Consult a qualified specialist workshop immediatel y.
¯
AdBlue system fault Engine
start not possible *
The AdBlue ®
sy stem is malfunctioning. You can no lon gerst art the engine. #
Consult a qualified specialist workshop immediatel y.
Ø
Top up AdBlue Perf.
reduced: XXX km/h No
start in XXX km *
The low AdBlue ®
leve l will lead tolimited per form ance abo vethe speed displa yed.
Af terth e displa yedre maining dis tance has been co vered, it will no longer be possible tostart the engine. #
Top up AdBlue ®
immediately (→ page 177). Displ
aymessa ges and warning/indicator lamps 505

Display messages
Possible causes/consequences and M
MSolutions
Ø Top up AdBlue Perf.
reduced in XXX miles See
Owner's Manual *
The low AdBlue ®
leve l will lead tolimited per form ance af terth ere maining dis tance displ ayed has been driven. #
Top up AdBlue ®
immediately (→ page 177). Tr
ansmission Display messages
Possible causes/consequences and M MSolutions
Transmission Malfunction
Stop *
The transmission is malfunctioning. The transmission shifts toposition iautomaticall y. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Switch the transmission toposition j. #
Consult a qualified specialist workshop.
N permanently active Risk
of vehicle rolling *
While theve hicle is rolling or while you are driving, the transmission has been shif tedto position i. #
Depress the brake pedal tostop and, when theve hicle is stationar y,shift the transmission toposition j. #
Tocontinue your journe y,shift the transmission toposition hork.
*T he transmission is overheating. Pulling away may be temp orarily impaired or not possible. 506
Display messages and warning/indicator lamps

Ac
tive Lane Keeping Assist .................... 24 2
Ac tivating/deactivating ...................... .244
Ac tivating/deactivating thewa rning .... 24 5
Fu nction .............................................. 24 2
Setting the sensitivity .......................... 24 5
Sy stem limitations ...............................2 42
Ac tive Parking Assist .............................. 229
Cross Traf fic Alert ............................... 234
Drive AwayAssi st................................ 234
Exiting a pa rking space ...................... .232
Fu nction .............................................. 229
Manoeuvring assi stance ...................... 235
Pa rking ................................................ 230
Sy stem limitations ...............................2 29
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 205
Display ................................................ 205
Fu nction .............................................. 205
Ac tive Steering Assist ............................ .208
Ac tivating/deactivating ...................... .210
Ac tive Emergency Stop Assist .............. 211
Ac tive Lane Change Assi st................... 210
Displ ays in the instrument display .......2 12Fu
nction .............................................. 208
Sy stem limitations ...............................2 08
Ad aptive brake lights ..............................19 8
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 .............................................. 13 2
Switching on/off ................................. 13 3
Ad Blue ®
.................................................... 464
Ad ditives .............................................4 64
Capacity .............................................. 464
Fill le vel .............................................. .257
No tes ................................................... 176
Purity ................................................... 464
Ra nge .................................................. 257
To pping up ...........................................1 77
Ad ditional door lo ck.................................. 76
Ad ditional value range
Setting display content ........................ 255
Ad diti ves.................................................. 465
Ad Blue ®
............................................... 464 Engine oil ............................................ 465
Fu
el ..................................................... 462
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®
sur round sound sy stem ... 390
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 390
Ad justing treble, mid- range and bass
settings
Burmes ter®
sur round sound sy stem ... 390
ADS PLUS damping sy stem
see AIR BODY CONTROL
Ad versewe ather light ............................ .132
Af ter-sales service centre
see ASS YST PLUS Index
541

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 .......................................... 40, 42
Fu nction of the automatic front
passenger front airbag deactivation
sy stem ................................................... 40
PA SSENGER AIR BAG indicator lamp .... .42
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .141
Au tomatic transmission
DIRECT SELECT le ver ........................... 16 9
Drive program display .......................... 16 8
Drive programs .................................... 167
DY NA MIC SELECT switch ..................... 167
Engaging drive position ....................... 17 0
Engaging neutral .................................. 17 0
Engaging pa rkposition ........................ 17 0
Engaging reve rsege ar ........................ .170
Kickdown ............................................. 172
Manual gear changing .......................... 171
St eering wheel gearshift paddles ........ .171
Tr ansmission position display .............. 16 9Tr
ansmission positions ........................ 16 9
Axle load Perm issible .......................................... 457
Tr ailer operation .................................. .471 B
Bag hook ................................................... 11 8
Ball ne ck
Fo lding out/in .................................... .246
BA S (Brake Assist Sy stem) .................... .188
Battery Cha rging (Remo teOnline) .................... 16 0
Ke y ........................................................ .74
Re mo tecontrol (s tationary heater) ...... 151
Battery see Battery (vehicle)
Battery (vehicle) ...................................... 425
Charging .............................................. 424
Charging (Remo teOnline) .................... 16 0
No tes .................................................. 420
No tes (s tarting assis tance and
ch arging) ............................................ .422
Re placing ............................................ 425 St
arting assis tance .............................. 424
Belt see Seat belt
Bic ycle rack
Tr ailer operation .................................. 24 9
Blind Spot Assi st..................................... 239
Ac tivating/deactivating ...................... .242
Fu nction .............................................. 239
Sy stem limitations ...............................2 39
Blo wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
............................................... 292
Information .......................................... 292
Setting up an Internet connection ....... 358
Switching on/off ................................. 292
Switching profile (DUN/PAN) .............. 358
Blue tooth ®
audio
Ac tivating ............................................ .376
De-authorising (de-regis tering) the
device .................................................. 376
Information ..........................................3 74544
Index

Data
storage
Electronic control units ........................ .26
Online services ...................................... 28
Ve hicle .................................................. 26
Date Setting the time and date automati‐
cally ..................................................... 291
Deactivating the alarm (A TA).................... 97
Deale rship
see Qualified speciali stwo rkshop
Declaration of conformity Electromagnetic compatibility ............... 23
Jack .......................................................23
TIREFIT kit ............................................. 24
Wi reless vehicle components ................23
Decorative foil (cleaning instructions)
.................................................................. .403
DeNO x agent
see AdBlue ®
Designs Menu (on-boa rdcompu ter) ................. .255
Dest ination .............................................. .319
Editing intermedia tedestinations ........ 309 Editing
the pr evious destinations ........ 320
Ex tern al .............................................. .320
Saving (cur rent vehicle position) ..........3 19
Saving as global favo urite .................... 320
St oring a map position ........................ 320
Destination entry .................................... 304
Entering 3 wordaddresses .................. 310
Entering a POI or address .................... 304
Entering an intermedia tedestination .. 308
Ente ring geo-coordinates ..................... 310
Selecting a contact ............................. 309
Selecting a POI .................................... 307
Selecting from the map ....................... 310
Selecting pr evious destinations .......... .307
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection ............................24
Diesel Low outside temp eratures ...................4 62
No tes .................................................. 462
Digital Owner's Manual .............................18
Digital speedome ter ............................... 258 Digital
TV
see TV
Digital Vehicle Keyst icker
Locking theve hicle ................................ 77
St arting theve hicle ............................. 15 8
Unlocking theve hicle ............................77
Dinghy towing
see Tow- bar sy stem
Dipped beam Setting .................................................1 33
DIRECT SELECT le ver............................... 16 9
Engaging drive position ....................... 17 0
Engaging neutral .................................. 17 0
Engaging pa rkposition ........................ 17 0
Engaging pa rkposition automatically .. 17 0
Engaging reve rsege ar ........................ .170
Fu nction .............................................. 16 9
Display Care .................................................... 409
Display (multimedia sy stem)
Settings .............................................. .290
Display (on-board comp uter)
Displ ays on the multifunction display .. 256 Index
549

Display content
Setting the additional value range ....... 255
Displ aymessage ...................................... 472
Calling up (on-board co mputer) .......... .472
No tes ................................................... 472
Display messages ¯ - - - km/h .................................. .493
ç - - - km/h ................................... 492
È - - - km/h ................................... 494
#12 V battery See Owner's Man‐
ual ....................................................... 498
K 12V battery See Owner's Man‐
ual ....................................................... 521
#48 V battery See Owner's Man‐
ual ....................................................... 500
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........496
Ac tive Blind Spot Assi stinope rative .... 492
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 487 Ac
tive bonnet malfunction See Own‐
er's Manual .......................................... 517
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ...... 485
Ac tive Brake Assi stFunctions limited
See Owner's Manual ........................... 483
Ac tive Dis tance Assi stavailable
again .................................................. .493
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........493
Ac tive Dis tance Assi stinope rative ...... 493
Ac tive Lane Keeping Assist Camera
view restricted See Owner's Manual ... 495
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........489
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 490
bAc tive Light Sy stem inoperative .. 523Ac
tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual ......................................... 495
Ac tive Steering Assist cur rently
una vailable See Owner's Manual .........488
Ac tive Steering Assist inoperative .......487
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual ................................................ 525
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .525
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .524
¯ AdBlue sy stem fault Engine
st art not possible ................................ 505
¯ AdBlue sy stem fault Perf.
re duced in XXX km See Owner's
Manual ................................................ 504 550
Index

¯
AdBlue sy stem fault Perf.
re duced: XXX mph No start in XXX
miles .................................................. .505
¯ AdBlue sy stem fault See Own‐
er's Manual ........................................ .504
4Ad d 1 litre engine oil when next
re fuelling ............................................. 503
Air conditioning Malfunction See
Owner's Manual .................................. 520
Apply brake todeselect Park (P)
position ...............................................5 07
App lybrake toselect R ....................... 508
ÀAT TENTION ASSIST inoperative ... 492
ÀAT TENTION ASSIS T:Take a
break! .................................................. 488
bAu tomatic driving lights inoper‐
ative .................................................... 524
Au xilia rybattery malfunction .............. 508
Beginning emer gency stop .................. 484 Blind Spot Assist cur
rently una vaila‐
ble See Owner's Manual ...................... 494
Blind Spot Assist inope rative ............... 488
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 91
Cann otstart engine See Owner's
Manual ................................................ 498
ÁChan gekey bat teries ...................5 14
J Check brake fluid le vel................ 477
Check brake pads See Owner's Man‐
ual ...................................................... .486
4Che ckeng. oil le v.when next
re fuelling ............................................. 503
ïChe cktrailer hitch lo ck(white
display message) .................................5 18
Check tyre pressures then restart
Ru n Flat Indicator ................................. 512
h Check tyre(s) .............................. .510
! Clean the fuel filter ...................... 497
J Close boot separator .................. 522 K
Convertible Top Operation pos‐
sible to60 km/h ................................. 522
?Coolant Stop vehicle Switch
engine off ............................................ 499
Cruise contro l and Limiter inope ra‐
tive ...................................................... 494
Cruise control inope rative ................... 494
Cruise control off ................................ 493
!cu rrently unavailable See Own‐
er's Manual .......................................... 479
÷ currently una vailable See Own‐
er's Manual .......................................... 473
5 Engine oil le vel cannot be
measured ............................................ 501
4Engine oil le velRe duce oil le vel...5 01
4 Engine oil le velSt op vehicle
Switch engine off ................................. 501
4Engine oil pressure Stop Switch
off engine ............................................ 502 Index
551

ÛPlease
wait Charging high- volt‐
age battery .......................................... 500
PRE- SAFE inoperati veSee Owner's
Manual ................................................ 483
Ra dar sensors dirty See Owner's
Manual .................................................4 78
_ Rear left seat backrest not
loc ked (Example) .................................. 51 5
h Rectify tyre pressure ....................51 0
Re duce speed ...................................... 512
Ø Refill Ad Blue Eng. start not pos‐
sible .................................................... 504
ØRe fill Ad Blue See Owne r’s Man‐
ual .......................................................5 04
!Re lease parking brake .................476
¸ Replace air cleaner ...................... 497
ÀRe placekey See Owner's Man‐
ual ........................................................ 514
Á Replace key ................................ .513
8 Reser vefuel le vel........................ 500 6Re
stra int sys. malfunction Con‐
sult workshop ...................................... 486
Re versing not poss. Consult work‐
shop ....................................................5 07
Risk of vehicle rolling Driver door
open and transmission not in P ...........507
Ru n Flat Indicator inope rative .............. 512
# See Owner's Manual ................... 496
Speed limit (winter tyres) XXX km/h ... 494
ÐSt eering malfunction Incre ased
ph ysical ef fort See Owner's Manual .....516
Ð Steering malfunction Stop
immediately See Owner's Manual ........516
St op vehicle Lea veengine running
Wa itTransmission cooling ...................506
#St opvehicle Lea veengine run‐
ning ..................................................... 497
#St opvehicle See Owner's Man‐
ual .......................................................4 98
ÉSt opvehicle Vehicle too low ........ 491 çsuspended
..................................4 93
bSwitch off lights .......................... 523
bSwitch on headla mps.................. 524
To shift out of P or N,depress brake
and start engine .................................. 507
K Top lo wering ............................... 522
ØTo p upAdBlue Perf.re duced in
XXX miles See Owner's Manual ...........506
Ø Top up AdBlue Perf.re duced:
XXX km/h Nostart in XXX km ............ 505
To p up coolant See Owner ’sManual ... 497
¥To p upwasher fluid ...................... 51 8
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 490
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 489
Tr af fic Sign Assi stinope rative ............. 488
ïTr ailer coupling extending… .........51 5
Tr ansmission Malfunction Stop ........... 506 Index
553