
Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
5
Engine oil level cannot be
measured *T
he elect rical connection tothe oil le vel sensor has been inter rupted or the oil le vel sensor is faulty. #
Consult a quali/ed specialis two rkshop. W W
ar
ar ning and indicat
ning and indicat or lam
or lamps
ps Ov
Ov
er
ervie
vie w of indicat
w of indicat or and w
or and war
arning lam
ning lam ps
ps Some systems will per
form a self-test when the
ve hicle is switched on. Some indicator and warn-
ing lamps may brie0y light up or 0ash. This beha v-
iour is non-critical. These indicator and warning
lamps indicate a malfunction only if they light up
or 0as haTer theve hicle has been star ted or dur-
ing a journe y. Ins
Ins tr
trument displ ay
ument display Depending on
the display setting, the positions of
th e indicator lamps on the inst rument display may
di.er from theex ample shown. Indicat
Indicat or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 483)
ü Seat belt (/ page 483)
_ Reduced po wer (/ page 484)
Ú System error (/ page 484)
# Electricalfault (/ page 484)
ï Trailer hitch (/ page 485)
Ù Powe r steering (/ page 485)
ÿ Coolanttemp erature (/ page 487)
; Engine diagnostics (/ page 487)
% V
V ehicles wit
ehicles wit h a diesel engine:
h a diesel engine: preglow
# Electricalfault (/ page 487) Display message
s andwarning/indicator lamps
481
481

Engine
Engine
W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ÿ
Coolant warning lamp (red) *T
he red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
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 theev ent 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. Displ
aymessages and warning/indicator lamps
487
487

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
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 346). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C.
ÿ
Coolant warning lamp (yel-
low) *T
he yellow coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The charge air, transmission oil or battery cooling is faulty
R The radiator shutters are bloc ked or defective #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. 488
488
Displ
aymessages and warning/indicator lamps

Displa
Displa
y (on-boar
y (on-boar d com
d comput
puter)
er)
Displa yson the inst rument displa y......... 288
Displa
Displa y message
y message
Calling up in the on-board computer.......4 13
Displa
Displa y messag
y messag es
es
ç - - - km/h..................................... 451
È - - - km/h..................................... 450
h - - - km/h..................................... 450
# 12 V battery See Owner's Man-
ual......................................................... 467
Û 48 V battery See Owner's Man-
ual......................................................... 469
ò Acoustic presence indicator
inoperative............................................ .427
: Active Light System inoperative..... 421
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 477
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 477 ¯
AdBlue system fault Engine
start not possible................................... 478
¯ AdBlue system fault See Own-
er's Manual............................................ 477
5 Add 1 litre engine oil when next
re fuelling ............................................... 479
é ATTENTION ASSIST inoperati ve..... 449
é ATTENTION ASSIS T:Take a
break!.................................................... 449
: Automatic driving lights inoper-
ative...................................................... 421
Û Battery overheated Stop, every-
body out! Outdoors if possible ........ 429, 469
Á Change key batteries .................... 418
è Charger cable connected .............. 427
J Check brake 0uid le vel.................. 448
5 Check eng. oil le v.when next
re fuelling ............................................... 478
ï Check trailer hitch lo ck(white
display message) .................................... 434 h
Check tyre(s) ................................ 472
! Clean the fuel /lter....................... 441
ÿ Coolant Stop vehicle Switch
engine o............................................... 440
! currently una vailable See Own-
er's Manual............................................4 62
÷ currently una vailable See Own-
er's Manual............................................4 63
5 Engine oil le vel cannot be meas-
ured....................................................... 481
5 Engine oil le velRe duce oil le vel..... 479
5 Engine oil le velSt op vehicle
Switch engine o.................................... 479
5 Engine oil pressure Stop Switch
o. engine.............................................. 480
ä Fault Drive at max. 80 km/h ......... 460
6 Front leT malfunction Consult
wo rkshop (e xample)...............................4 15
& inoperative Battery low................. 424
& inoperative Char geHV battery...... 425 Ind
ex
505 505

#
Stop vehicle Lea veengine run-
ning ....................................................... 469
# Stop vehicle See Owner's Man-
ual......................................................... 468
É Stop vehicle Vehicle too low .......... 460
ç suspended .................................... 451
: Switch o. lights............................ 422
: Switch on headlamps .................... 422
6 Tank is dep ressurised Ready for
re fuelling ............................................... 432
6 Tank ventilation Malfunction
Consult workshop ................................. .432
á temp orarily una vailable Camera
view restric ted....................................... 459
¸ temp orarily una vailable Sensors
dirty....................................................... 458
Ø Top up AdBlue Emer gency op. in
XXX miles See Owner's Manual.............. 476
+ Top up coolant See Owner ’s
Manual.................................................. 439 ¥
Top up washer 0uid...................... .438
u Towing not permitted See Own-
er's Manual ............................................ 427
ï Trailer coupling extending…........... 433
! Turn on the ignition torelease
th e parking brake ................................... 448
d Vehicle is operational Switch o.
ignition before exiting............................. 433
É Vehicle rising Please wait.............. 461
É Vehicle rising ................................ 461
h Warning tyre defect....................... 473
h Wheel sensor(s) missing ................ 471
Ø XX,X l Top up AdBlue Swit chon
ignition, wait 60 sec. or eng. start not
poss...................................................... 476
"Electric" drive prog ram cur rently
una vailable............................................. 429
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 456
Ac tive Blind Spot Assist inoperative........ 456 Ac
tive Blind Spot Assist not available
when towing a trailer See Owner's
Manual................................................. .457
Ac tive bonnet malfunction See Own-
er's Manual............................................ 436
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........465
Ac tive Brake Assist Functions limited
See Owner's Manual.............................. 466
Ac tive Distance Assist available again ..... 452
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 451
Ac tive Distance Assist inoperative.......... 452
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 457
Ac tive Lane Keeping Assist inoperative... 457
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 453 Ind
ex
507 507

Tr
ansfer red data..................................... 322
Mer
Mer cedes me connect
cedes me connect
Ac cident/B reakdown Managemen t........324
Information............................................3 23
Tr ansfer red data..................................... 325
Mer
Mer cedes-
cedes- AMG v
AMG vehicles
ehicles
No tes..................................................... 167
Mer
Mercedes-Benz emerg cedes-Benz emerg ency call sy st
enc y call sy stem
em
Au tomatic emer gency call...................... 329
Data trans fer.........................................3 31
ERA GLONASS test mode....................... 331
In fo rm ation........................................... .328
Manual emer gency call.......................... 330
Overview................................................ 329
Self-diagnosis........................................ 331
Mer
Mer cedes-Benz GenuineP
cedes-Benz GenuineP ar
arts
ts........................ .23
Mer
Mer cedes-Benz ser
cedes-Benz ser vice centre
vice centre....................... 38
Messag
Messag e memory
e memory ........................................ .413
Mirr
Mirr ors
ors
Mir rorfo lding function............................ 152
Outside mir rors...................................... 149
Re ar-view mir ror..................................... 150 Mobile phone
Mobile phone
Frequencies........................................... 395
Maximum transmission output............... 395
No tes on wireless chargin g.................... 134
Model type
Model type................................................... 397
MOExt MOExt ended tyr ended tyr es
es........................................ 358
Mot
Mot orwa
or wa y mode
y mode .......................................... .141
MUL
MUL TIBEAM LED
TIBEAM LED.......................................... 140 N
N
N
N a
avig
vig ation
ation
Ac tivating............................................... 308
Announcements..................................... 309
Destination entry................................... 310
Displaying/hiding the menu................... 308
Live Tra1c Information........................... 313
Map....................................................... 312
No tes..................................................... 308
N
Neutr eutr al al
En gaging................................................ 190 O
O
Occupant safe
Occupant safe ty
ty............................................ .47On-boar
On-boar
d com
d comput
puter
er, Computer, Operating system
Displaying the service due dat e.............. 340
Instrument displa y................................. 288
Menu overview.......................................2 85
Operating.............................................. 285
On-boar
On-boar d diagnos
d diagnostics int tics interf
erface
ace , Diagnos-
tics connection.............................................. 37
On-boar On-boar d electr d electronics
onics
Engine electronics................................. 394
Tw o-w ayradios...................................... 394
On-demand f On-demand f eature
eature........................................ 24
Online ser
Online ser vices
vices.............................................. 43
Open Sour
Open Sour ce
ceSoTw
SoTw are
are,Free soTware............. 44
Opening t
Opening t he boo
he boo t lid using y
t lid using y our f
our foot
oot
HANDS-FREE ACCESS............................. 92
Opening t
Opening t he t
he tailg
ailgat
ate using y
e using y our f
our foot
oot
HANDS-FREE ACCESS............................. 92
Oper
Oper ating
ating 0uids
0uids
Ad Blue ®
................................................ .403
Ad ditives................................................ 401
Brake 0uid............................................. 406
Coolant.................................................. 407
Diesel.................................................... 402 518 518
Index

W
W
ar
ar ning/indicat
ning/indicat or lamp
or lamp
! ABSwarning lamp......................... 493
ê Active Brake Assist warning lam p..4 92
J Brake system warning lamp (red)... 491
J Brake system warning lamp (yel-
low)....................................................... 490
ÿ Coolant warning lamp (red)........... 487
ÿ Coolant warning lamp (yellow).......4 88
! Electric parking brake indicator
lamp (red).............................................. 490
# Electrical fault warning lamp
...................................................... 485, 489
; Engine diagnosis warning lamp...... 489
å ESP®
OFF warning lam p................ 495
÷ ESP®
wa rning lamp 0ashes........... 494
÷ ESP®
wa rning lamp lights up......... 494
8 Fuelreser vewarning lamp lights
up.......................................................... 489
Ù Powe r steering warning lamp
(red)...................................................... 485 _
Reduced-po werwa rning lamp....... 484
6 Restraint system warning lam p...... 483
ü Seat belt warning lamp 0ashes...... 484
ü Seat belt warning lamp lights up.... 484
ä Suspension warning lamp (yel-
low)....................................................... 493
Ú System er rorwa rning lam p........... 485
! The electric parking brake (yel-
low) indica tor lam p................................. 490
ï Trailer tow hitch warning lam p....... 486
h Tyre pressure monitoring sys-
te m wa rning lamp 0ashes....................... 496
h Tyre pressure monitoring sys-
te m wa rning lamp lights up.................... 496
L Warning lamp for distance
wa rning function.................................... 492
W
W ar ar ning/indicat
ning/indicat or lam
or lamps
ps
Instrument displa y................................. 481
PA SSENGER AIR BA G............................... 56 W
W
asher
asher 0uid
0uid
Wi ndsc reen washer 0uid........................ 408
W
W ashing b
ashing b y hand
y hand.......................................... 350
W
W at
at er t
er t ank
ank ................................................... 348
W
W eat
eat her inf
her inf or
ormation
mation..................................... 313
W
W eb br ow
eb br owsers
sers
Overview................................................ 326
W
W edge
edge................................................. 386, 387
W
W eight inf
eight inf or
ormation
mation....................................... 397
Wheel c
Wheel c hange
hange
Fi tting a new wheel................................ 391
Lo we ring theve hicle.............................. 391
Preparation............................................ 387
Ra ising theve hicle................................. 388
Re moving a wheel................................. .390
Re moving//tting hub caps..................... 387
Wheel rot
Wheel rotation ation ............................................. 385
Wheels
Wheels Breakdown............................................. 358
Care..................................................... .351
Checking............................................... 377
Checking the tyre temp eratur e............... 380
Fi tting.................................................... 391 Index
529 529