Page 487 of 537

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
R The engine coolant pump is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120°C. &
W
WARNING
ARNING Risk of burns when opening the bonnet
If yo u open the bonnet in theeve nt of an overheated engine or /re in the engine compartment, thefo llowing situa-
tions may occur:
R You may come into contact with hot gases.
R You may come into contact with other escaping hot operating 0uids. #
Before opening the bonnet, allow the engine tocool down. #
Intheev ent of a /re in the engine compartment, keep the bonnet closed and call the /re service. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. Do not continue driving. #
Notethe messages on the instrument displa y.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the low
he lower end of t
er end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Consult a quali/ed specialist workshop.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the upper end of t
he upper end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Exit theve hicle and keep a safe distance from it until the engine has cooled down. #
Check the coolant le vel (/ page 342). 484
484
Display message
s andwarning/indicator lamps
Page 505 of 537

#
12 V battery See Owner's Man-
ual......................................................... 466
ò Acoustic presence indicator
inoperative............................................ .425
: Active Light System inoperative..... 419
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 475
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 474
¯ AdBlue system fault Engine
start not possible................................... 475
¯ AdBlue system fault See Own-
er's Manual............................................ 474
5 Add 1 litre engine oil when next
re fuelling ............................................... 476
é ATTENTION ASSIST inoperati ve..... 450
é ATTENTION ASSIS T:Take a
break!.................................................... 450 :
Automatic driving lights inoper-
ative...................................................... 419
Û Battery overheated Stop, every-
body out! Outdoors if possible ................ 427
û Before starting the engine, turn
th e steering wheel.................................. 434
J Brake immediately ........................ 448
Á Change key batteries .................... 416
è Charger cable connected .............. 425
J Check brake 0uid le vel.................. 449
ï Check trailer hitch lock (white
display message) .................................... 431
h Check tyre(s) ................................ 469
! Clean the fuel /lter....................... 439
ÿ Coolant Stop vehicle Switch
engine o............................................... 438
! currently una vailable See Own-
er's Manual............................................4 61
÷ currently una vailable See Own-
er's Manual............................................4 625
Engine oil le vel cannot be meas-
ured....................................................... 477
5 Engine oil le velRe duce oil le vel..... 476
5 Engine oil le velSt op vehicle
Switch engine o.................................... 476
5 Engine oil pressure Stop Switch
o. engine.............................................. 477
ä Fault Drive at max. 80 km/h ......... 460
6 Front leT malfunction Consult
wo rkshop (e xample)...............................4 13
& inoperative Battery low................. 422
& inoperative Char geHV battery...... 423
& inoperati veHigh-voltage battery
ch arging inco mplete ............................... 423
& inoperative Refuel vehicle............. .423
& inoperative See Owner's Man........ 422
! inoperative See Owner's Manual.. .462
÷ inoperative See Owner's Manual.. .463
T inoperative See Owner's Manual.. .464
G Inoperative................................... 465 502 502
Index
Page 508 of 537

Au
xiliary battery malfunction (white
displ aymessage) .................................... 444
Beginning emer gency stop..................... 454
Blind Spot Assist cur rently una vailable
See Owner's Manual.............................. 455
Blind Spot Assist inoperative.................. 456
Blind Spot Assist not available when
to wing a trailer See Owner's Manual ...... 456
Cann otstart engine See Owner's
Manual................................................. .437
Charging fault Please change charging
me thod See Owner's Manual .................426
Charging me thod cur rently una vaila-
ble Please try again or change charg-
ing me thod............................................ 426
Check brake pads See Owner's Man-
ual........................................................ .449
Check tyre pressures then restart Run
Flat Indicator......................................... 472 Clutch
overheated Avoid pulling away
until thewa rning goes out...................... 443
Cruise control and Limiter inoperative.... 450
Cruise control inoperative...................... 450
Cruise control o.................................... 451
Depress clutch fully tostart engine........ 443
Device de tected at diagnostics con-
nection See Owner's Manual..................4 66
Drive system Malfunction Stop Switch
engine o............................................... 439
Drive system Malfunction Visit work-
shop ...................................................... 439
Fr ont-passenger airbag disabled See
Owner's Manual .................................... .414
Fr ont-passenger airbag enabled See
Owner's Manual .................................... .415
Hazard warning lamps malfunctioning .... 422
Head-up display cur rently una vailable
See Owner's Manual.............................. 432
Head-up display inoperative ...................433Limiter inoperative................................. 451
Limiter passive....................................... 451
N permanently active Risk of
vehicle
ro lling....................................................4 41
Not possible tounlock charging cable
See Owner's Manual.............................. 425
Only elect ric drive available Power
limited................................................... 426
Only select Park (P) when vehicle is
stationary.............................................. 440
Pa rking Assist and PARKTRONIC inop-
erative See Owner's Manual................... 460
Pa rking lock inoperative Apply the
parking brake ........................................ .442
Place theke y in the mar ked space
See Owner's Manual.............................. 418
PRE-SAFE inoperative See Owner's
Manual.................................................. 416
Re duce speed........................................ 471 Index
505 505