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 lamps 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.
Dr
Dr iv
iver's display
er's display Dr
Dr
iv
iver's displa
er's displa y wit
y with dr
h driv
iver camera
er camera Indicat
Indicat
or and w
or and w ar
arning lam
ning lam ps:
ps:
6 Restraint system (/ page 486)
ü Seat belt (/ page 486)
Ù Powe r steering (yellow) (/ page 488)
Ù Powe r steering (red) (/ page 488)
Ù Rear axle steering (yellow)
(/ page 488)
Ù Rear axle steering (red)
(/ page 488)
ÿ Coolanttemp erature (/ page 490)
; Engine diagnostics (/ page 490)p
V
Vehicles wit
ehicles wit h a pe
h a petr
trol engine:
ol engine: engine
operating temp erature (/ page 490)
# Electricalfault (/ page 490)
8 Reser vefuel wi thfuel /ller 0ap loca-
tion indicator (/ page 490)
! Electric parking brake (red)
(/page 493)
! Electric parking brake (yellow)
(/page 493)
J Brakes (yellow) (/ page 493)
J Brakes (red) (/ page 493)
L Distancewarning (/ page 495)
Ó Active Brake Assist (/ page 495)
ê Active Brake Assist (/ page 495)
Æ Active Brake Assist (/ page 495)
ä AIRMATIC / E- ACTIVE BODY CON-
TROL (/ page 495)
! ABS (/page 497)
÷ ESP®
(/ page 497)
å ESP®
OFF (/ page 497) Display messages and
warning/indicator lamps
485 485
V
V
ehicle
ehicle W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Ù
Po we r steering warning
lamp (yellow) *T
he yellow po wer steering warning lamp is lit while the engine is running.
The po wer assistance or the steering itself is malfunctioning. #
Notethe messages on the driver displa y.
Ù Po we r steering warning
lamp (red) *T
he red po wer steering warning lamp is lit while the engine is running.
The po wer assistance or the steering itself is malfunctioning. &
W
WARNING
ARNING Risk of accident if steering capability is impaired
If th e steering 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 tra1c conditions. Do not
continue driving under any circums tances. #
Consult a quali/ed speciali stwo rkshop. #
Notethe messages on the driver displa y.488
488
Display message
s andwarning/indicator lamps
W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Ù
Re ar axle steering warning
lamp (yellow) *T
he yellow rear axle steering warning lamp is lit while the engine is running.
The rear axle steering is malfunctioning. #
Notethe messages on the driver displa y.
Ù Re ar axle steering warning
lamp (red) *T
he redre ar axle steering warning lamp is lit while the engine is running.
The rear axle steering is malfunctioning. &
W
WARNING
ARNING Risk of accident if steering capability is impaired
If th e steering 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 tra1c conditions. Do not
continue driving under any circums tances. #
Consult a quali/ed speciali stwo rkshop. #
Notethe messages on the driver displa y. Display messages and
warning/indicator lamps
489
489
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. 490
490
Displ
aymessages and warning/indicator lamps
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 driver 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. #
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. Displ
aymessages and warning/indicator lamps
491
491
W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
;
Engine diagnosis warning
lamp *T
he yellow engine diagnostics warning lamp is lit while the engine is running.
A malfunction has occur red in the engine, theex haust system or the fuel system.
The emissions limit value may ha vebeen exceeded and the engine may be running in eme rgency operation mode. #
Have theve hicle checked as soon as possible at a quali/ed specialist workshop.
p
Engine operating temp era-
ture warning lamp *V
Vehicles wit
ehicles wit h a pe
h a petr
trol engine:
ol engine: aTer a cold start, the blue engine operating temp erature warning lamp is on.
Engine output and engine torque arereduced. #
Take this into consideration in your driving style.
#
Electrical fault warning lamp *T
hered electrical fault warning lamp is lit.
There is a fault in the electrics. #
Notethe messages on the driver's displa y.
8
Fu elreser vewarning lamp
lights up *T
he yellow fuel reser vewarning lamp lights up while the engine is running.
The fuel supply has dropped into there ser verange. #
Refuel. 492
492
Display messages and
warning/indicator lamps
A
A
ctiv
ctiv e P
e Par
arking Assist
king Assist
Au tomatic braking function................... .282
Cross tra1c warning.............................. 287
Drive Away Assist................................... 286
Exiting a parking space.......................... 281
Fu nction................................................ 278
Manoeuvring brake function................... 288
Pa rking.................................................. 280
Pa using.................................................. 282
System limitations..................................2 78
A A ctiv
ctiv e Speed Limit Assist
e Speed Limit Assist , Driving system
Display................................................... 242
Fu nction................................................ 242
A A ctiv
ctiv eSt
e St eer
eer ing Assist
ing Assist
Ac tivating/deactivating.......................... 247
Ac tive Emer gency Stop Assist................ 247
Ac tive Lane Change Assist..................... 248
Fu nction................................................ 245
System limits......................................... 245
A
A ctiv
ctiv e
eTr
Tra1c
a1c Jam Assist
Jam Assist
Fu nction................................................ 245
A
A dap
dap tiv
tive br
e br ak
ake lights
e lights .................................... 234 A
A
dap
dap tiv
tive Highbeam Assis
e Highbeam Assist Plus t Plus, High
beam Function................................................ 170
Switching on/o..................................... 171
A
A dditional door lock
dditional door lock ....................................... 88
A
A dditiv
dditiv es
es,Additives (engine oil), Lubricant
additives Engine oil............................................... 421
Fuel....................................................... 420
Air conditioning menu Air conditioning menu Calling up..............................................1 83
Air dis
Air distr tribution
ibution
Setting (MBUX multimedia system)......... 184
Setting (THERMOTRONIC)......................1 81
Air v Air v ents
ents, Air vents, Vents
Ad justing (front).................................... .196
Ad justing (rear)...................................... 196
Glo vebox.............................................. .197
Air
Air -r
-recir
ecir culation mode (wit
culation mode (wit h
h/ne
/ne par
particle
ticle
pr
pr e/lt
e/lt er)
er)....................................................... 185
Air
Air -w
-wat
ater duct
er duct, Air inlet, Waterta nk
Ke eping free.......................................... 368 Airbag
Airbag, Occupant saf
ety
Ac tivation................................................ 43
Belt airbag............................................... 46
Centre airbag (driver, front passenger)...... 49
Cushionbag.............................................. 49
Fr ont airbag (driver, front passenger)........ 49
Installation locations................................ 49
Knee airbag............................................. 49
Overview.................................................. 49
PA SSENGER AIR BAG indicator la mps...... 55
Pr otection................................................ 51
Re ar airbag............................................. .49
REAR SEAT AIR BAG indicator lamps........ 59
Re duced pr otection.................................. 52
Side airbag.............................................. 49
Wi ndow airbag......................................... 49
Air0 ow
Air0ow
Setting (THERMOTRONIC )...................... 181
AIRMA AIRMA TIC
TIC
Setting................................................... 266
Suspension............................................ 265
Ambient lighting Ambient lighting Setting (MBUX multimedia system)......... 173 Index
503
503
Demisting
the windscreen
(THERMOTRONIC).................................. 181
Demisting windo ws................................ 185
Fi ne particle status displa y..................... 183
Fr ont air vents........................................ 196
Glo vebox air vent.................................. 197
Immediate pre-entry clima tecont rol....... 191
Information on the windscreen heater.... 188
Inserting/re movingthe 0acon (fra-
gr ance system)...................................... 187
Ionisatio n............................................... 186
No te...................................................... 181
Pre-entry climate control at depa rture
time.......................................................1 89
Re ar air vents......................................... 196
Re ar operating unit................................ 182
Re sidual heat......................................... 186
Re sidual heat (rear operating unit)......... .186
Setting (MBUX multimedia system)......... 183
Setting the air distribution
(THERMOTRONIC).................................. 181
Setting the air0ow (THERMOTRONIC)..... 181
Setting the frag rance system.................. 187
Setting thete mp erature
(THERMOTRONIC).................................. 181
St ationary heater/ ventilation................. 191 Switching
there ar wind owheater
on/o. (THERM OTRO NIC).......................1 81
THERMOTRONIC control panel............... 181
Ve ntilating theve hicle (con venience
opening)................................................ 105
Coc Coc kpit
kpit, Dashboard
Overview.................................................... 6
Collision det
Collision det ection (park
ection (parked v
ed vehicle)
ehicle)
Information.................................... 225, 226
Combination switch
Combination switch ..................................... 165
Com
Com ponent-speci/c
ponent-speci/c inf
infor
ormation
mation................... 415
Cont
Cont ent shar
ent shar ing menu
ing menu
Overview................................................ 308
Contr
Control elements ol elements
To uch-sensitive........................................ 23
Conv
Conv enience closing
enience closing.................................... 106
Conv
Conv enience doors
enience doors
Setting (MBUX multimedia system)........... 95
Conv
Conv enience opening
enience opening................................... 105
Coolant (engine)
Coolant (engine) Levelch eck............................................ 367
No tes..................................................... 422 Cop
Cop
yr
yright
ight....................................................... 41
Cor
Cor ner
nering light
ing light............................................. 167
Cr
Cr osswind Assi st
osswind Assist
Fu nction/no tes...................................... 232
Cup holder
Cup holder Switching the cooling/heating func-
tion on/o.............................................. 154
Cushionbag
Cushionbag.................................................... 49 D
D
Dashcam
Dashcam Notes..................................................... 335
Selecting a USB device......................... .335
St arting/stopping a video recording...... .335
Dat
Dat a acq
a acq uisition
uisition
Ve hicle..................................................... 38
Dat
Dat a pr ot
a pr otection r
ection r ights
ights
Data storag e............................................ 41
Dat
Dat a st
a st or
orage
age
Data pr otection rights.............................. 41
Electronic control units............................ 38
Online services........................................ 41
Ve hicle..................................................... 38 Index
507 507