
Engine
Display messages
Possible causes/consequences and M
MSolutions
Top up coolant See Own-
er’s Manual *T
he coolant le vel is too lo w.
* NO
TEEngine dama gedue toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Add coolant .
?
Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 407

Display messages
Possible causes/consequences and M
MSolutions
? *T
hefan mo tor is defective. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
Ø
Refill AdBlue See Owner’s
Manual *
The AdBlue ®
leve l has fallen below there ser verange. #
Refill Ad Blue ®
immediately .
Ø Refill AdBlue No start in
XXX km *
The AdBlue ®
leve l is only suf ficient forth e displa yed dis tance. #
Refill Ad Blue ®
immediately .
% The message disappea rsafte r driving at a speed abo ve15 km/h for appro ximately one minu te.
Ø Refill AdBlue Eng. start not
possible *
The AdBlue ®
tank is em pty. Yo u can no lon gerst art the engine. #
Top up at least 4.5 l of AdBlue ®
. #
Switch the ignition on.
Yo u can restart the engine af ter appro ximately one minu te. Displ
aymessa ges and warning/indicator lamps 415

Instrument display (standard)
Instrument display in
the widescreen cockpit Prog
ressive setting in the widescreen cock‐
pit If
yo u select the progressive display setting in
ve hicles with a widescreen cockpit, the positions
of the indicator lamps on the instrument display
ch ange.
Wa rning and indicator lamps:
L Dipped beam (→
page127)
T St
anding lights (→ page127)
K Main beam (→
page129)
#! Tu
rn signal light (→ page129)
R Re
ar fog lights (→ page127) ü
Seat belt is not
fastened
(→ page 446)
J Brakes (red) (→
page 440)
J Brakes (yell
ow) (→ page 440)
! ABS malfunction (→
page 440)
à AIR
BODY CONTROL malfunction
(→ page 447)
à DY
NA MIC BODY CONTROL malfunc‐
tion (→ page447)
÷ ESP®
(→ page 440)
å ESP®
OFF (→ page 440)
! Electric pa
rking brake (→ page440)
Ð St
eering assis tance malfunction
(→ page 449)
# Electrical
fault (→ page 451)
6 Re
stra int sy stem (→ page440)
; Engine diagnostics (→
page 451)
8 Fu
elreser vewith fuel filler flap loca‐
tion indicator (→ page 451)
? Coolant
too hot/cold (→ page 451)
· Dis
tance warning (→ page447) Displ
aymessa ges and warning/indicator lamps 439

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
? Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R Coolant le velto o low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving under any circums tances. #
Obser vethe messages in the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop. 452
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
Otherwise: #
Lea vetheve hicle and keep a safe dis tance from theve hicle until the engine has cooled down. #
Check the coolant le vel . #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 453

Overview ............................................. 295
Controller Operating ............................................ 266
Con venience closing ................................. 85
Con venience opening ................................ 84
Coolant (engine) Levelch eck .......................................... 312
No tes ................................................... 375
Cooling see Climate control
Copyright .................................................. .30
Cornering light ........................................ .131
Co ver........................................................... 81
Cross Traf fic Alert .................................. .237
Crosswind Assist Function/no tes ................................... 19 5
Cruise control Activating ............................................ 203
Calling up a speed ............................... 203
Deactivating ........................................ 203
Le ver ................................................... 203
Re quirements ...................................... 203 Selecting ............................................
.203
Setting a speed ................................... 203
St oring a speed ................................... 203
Cruise control: ......................................... 201
Fu nction .............................................. 201
Sy stem limitations ...............................2 01
Cup holder Rear .................................................... .120
Cup holder in the centre console
In stalling/removing .............................. 11 9
ins talling/ removing (auto matic
transmission) ....................................... 11 8 D
Damage de tection (pa rked vehicle) .......189
Dashboard see Cockpit
Dashboard lighting see Instrument lighting
Data acquisition Vehicle .................................................. 28
Data import/export Importing/exporting ............................2 75PIN pr
otection for data export .............2 76
Deactivating the ala rm(ATA ).................... 92
Declaration of conformity Electromagn etic compatibility .............. .24
Jack ...................................................... .24
TIREFIT kit ............................................. 25
Wi reless vehicle components ................24
Designs Menu (on-board co mputer) .................. 262
Diagnostics connection ............................ 26
Diesel Low outside temp eratures ...................3 71
No tes ................................................... 371
Digital Car Keyst icker
Locking theve hicle ................................ 72
St arting theve hicle .............................. 161
Un locking theve hicle ............................72
Digital Owner's Manual ............................ 20
Digital speedome ter ................................ 257
Dipped beam Activating/deactivating ...................... .127
Changing bulbs .................................... 13 8
Setting ................................................. 13 5 Index
463

Ad
aptive Highbeam Assist cur rently
una vailable See Owner's Manual .........438
Ad aptive Highbeam Assist inopera‐
tive ...................................................... 437
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual ................................................ 437
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual ...................................................... .437
Ad aptive Highbeam Assist Plus inop‐
erative ................................................ .436
4 Add 1 litre engine oil when
next refuelling ...................................... 413
Air conditioning Malfunction See
Owner's Manual .................................. 428
App lybrake todeselect Park (P)
position ...............................................4 25
Apply brake toselect R ....................... 429 À
ATTENTION ASSIST
inoperative .......................................... 399
À ATTENTION ASSIS T:Take a
break! .................................................. 399
b AUTO lights inope rative .............. 436
Au xilia rybattery malfunction ...............427
_ Before starting the engine, turn
th esteering wheel. .............................. 429
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 402
Blind Spot Assist inope rative ............... 403
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 03
Brake immediate ly............................... 391
 Change key bat teries ................. 422
Ø Check AdBlue See Owne r’s
Manual .................................................4 16
J Check brake fluid le vel.............. .391
4 Check eng. oil le v.when next
re fuelling .............................................. 411j
Check trailer hit chlock .............. 424
h Check tyre(s) .............................. 41 8
! Clean the fuel filter .................... .414
Clutch overheated Avoid pulling away
fo r XX:XX mins ................................... .428
? Coolant Stop vehicle Switch
engine off ............................................ 407
Cruise contro l and Limiter inope ra‐
tive ...................................................... 406
Cruise control inope rative ................... 405
Cruise control off ................................ 405
! currently una vailable See Own‐
er's Manual ........................................ .383
÷ currently una vailable See Own‐
er's Manual ........................................ .384
Dep ress clutch fully tostart engine .....4 28
È .................................................... 406
Ø Eng.start not possible in XXX
km ...................................................... .416
Ø Eng.start not possible ................416 Index
465

Ø
Refill Ad Blue Eng. start not
possible .............................................. .415
Ø Refill Ad Blue No start in XXX
km ...................................................... .415
Ø Refill Ad Blue See Owne r’s
Manual .................................................4 15
! Release parking brake ................ 387
¸ Replace air cleaner .....................414
, Replace key See Owner's Man‐
ual ...................................................... .421
 Replace key ................................ 421
8 Reser vefuel le vel........................ 414
6 Restra int sys. malfunction Con‐
sult workshop ...................................... 395
Re versing not poss. Consult work‐
shop ....................................................4 27
Risk of vehicle rolling Driver door
open and transmission not in P ...........425
# See Owner's Manual .................. 408
Speed limit (winter tyres) XXX km/h ... 406#St
art engine See Owner's Man‐
ual ...................................................... .408
Ð Steering malfunction Drive
carefully Visit workshop ....................... 431
Ð Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 432
Ð Steering malfunction See Own‐
er's Manual ......................................... 430
Ð Steering malfunction Stop
immediately See Owner's Manual ........ 431
St op vehicle Lea veengine running
Wa itTransmission cooling ...................427
# Stop vehicle Lea veengine run‐
ning ...................................................... 411
# Stop vehicle See Owner's Man‐
ual .......................................................4 09
É Stop vehicle Vehicle too low .......4 00
b Switch off lights ......................... 436
b Switch on headla mps................. 436 To
shift out of P or N,depress brake
and start engine .................................. 425
To p up coolant See Owner ’sManual ... 407
¥ Top up washer fluid .................... 434
j Trailer coupling extending… ........ 423
Tr ansmission Malfunction Stop ........... 427
! Turn on the ignition torelease
th e parking brake ................................ 386
Ty re press. monitor cur rently una vail‐
able ...................................................... 419
Ty re press. monitor inoperative ...........420
Ty re press. monitor inoperative No
wheel sensors .................................... .420
Ty re pressure Check tyres ....................417
Ty re(s) ove rheated ...............................4 20
Ty re(s) ove rheated Reduce speed ........ 421
d Vehicle is operational Switch
off the ignition before exiting .............. 426
É Vehicle rising Please wait.......... .400
É Vehicle rising .............................. 399 Index
467