fo
rex ample, your driving behaviour, your location,
yo ur route or your use patterns.
Leg
Leg al r
al req
equir
uir ements r
ements r eg
egar
arding t
ding t he disclosur
he disclosur e of
e of
data
data
If legally requ ired todo so, manufacturers are, in
individual cases, legally obliged toprov ide go vern-
mental entities, upon requ est and totheex tent
re qu ired, data stored bythe manufacturer. For
ex ample, this may be the case during the in vesti-
ga tion of a criminal o.ence.
Go vernmental entities are themsel ves, in individ-
ual cases and within the applicable legal frame-
wo rk, authorised toread out data from theve hi-
cle. In the case of an accident, information that
can help with an in vesti gation can, therefore, be
ta ke n from the airbag control unit, forex ample.
Oper
Oper ational dat ational dat a in t
a in the v
he vehicle
ehicle
This is data rega rding the operation of theve hicle,
which ha vebeen processed bycont rol units.
This includes thefo llowing data, forex ample:
R vehicle status information such as the speed,
longitudinal acceleration, lateral acceleration,
number of wheel revo lutions or thefa stened
seat belts display R
ambient conditions, su chastemp erature, rain
sensor or distance sensor
Generall y,the use of these data is temp orar y;
th ey will not be stored be yond the period of oper-
ation and will only be processed within theve hicle
itself. Control units oTen contain data memories
fo rve hicle keys,fo rex ample. Their use permits
th ete mp orary or permanent documentation of
te ch nical information about theve hicle's operat-
ing state, component loads, main tenance requ ire-
ments and tech nical events or faults.
Depending on theve hicle equipment, thefo llo w-
ing data are stored:
R operating status of system components, such
as /ll le vels, tyre pressure or battery status
R malfunctions or faults in impor tant system
components, such as lights or brakes
R system reactions in special driving situations,
such as airbag depl oyment or the inter vention
of stability cont rol systems
R information on events leading tovehicle dam-
age In cer
tain cases, it may be requ ired tostore da ta
th at wo uld ha veotherwise been used only temp o-
rari ly. This may be the case if theve hicle has
de tected a malfunction, forex ample.
If yo u use services, such as repair services and
maintenance work, stored operational data as
we ll as theve hicle identi/cation number can be
re ad out and used. They can be read out by
service network emplo yees, such as workshops
and manu facturers or third parties, such as break-
down services. The same is true in the case of
wa rranty claims and quality assurance measures.
In general, there adout is per form ed via the legally
prescribed port forth e diagnostics connection in
th eve hicle. The operational data that are read out
document tech nical states of theve hicle or of
individual components and assist in the diagnosis
of malfunctions, compliance with warranty obli ga-
tions and quality impr ovement. Tothat end, these
data, in particular information about component
loads, tech nical events, malfunctions and other
fa ults may be transmitted along with theve hicle
identi/cation number tothe manufacturer. Fur-
th ermore, the manufacturer is subject toproduct
liability. Forth is reason the manufacturer also General no
tes
39 39
K
K
e
ey
y Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Á
Replace key *H
aveth eke yre placed. #
Consult a quali/ed specialist workshop.
Á
Change key batteries *T
hekey battery is dischar ged. #
Replace the battery (/ page 83).
Á Key not detected (white dis-
play message) *T
hekey is cur rently unde tected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, place it in the slot for starting with theke y (/ page 192). 446
446
Display messages and
warning/indicator lamps
Fr
ont airbag (driver, front passenger)........ 48
Installation locations................................ 48
Knee airbag............................................. 48
Overview.................................................. 48
PA SSENGER AIR BAG indicator la mps...... 53
Pr otection................................................ 49
Re duced pr otection.................................. 50
Side airbag.............................................. 48
Wi ndow airbag......................................... 48
Air0 ow
Air0ow
Setting................................................... 178
AIRMA AIRMA TIC
TIC
Setting................................................... 269
Suspension............................................ 267
Alar
Alar m syst m syst em
em
see ATA (anti-theT alarm system)
All-wheel dr
All-wheel dr ive
ive
see 4M ATIC
Ambient lighting
Ambient lighting Setting (MBUX multimedia system)........ .167
Andr
Andr oid A
oid A uto
uto
see Smartphone integ ration
Animals
Animals Pets in theve hicle.................................... 80 Anti-loc
Anti-loc k br
k braking syst
aking syst em
em
see ABS (Anti-lock Braking System)
Anti-skid c
Anti-skid c hains
hains
see Sn owchains
Anti-t
Anti-theT heTprot
pr otection
ection
Ad ditional door loc k................................. 84
Immobiliser............................................ 105
Anti-t
Anti-theT heTprot
pr otection
ection
see ATA (anti-theT alarm system)
Anticipat
Anticipat or
ory occupant pr ot
y occupant pr otection
ection
see PRE-SAFE ®
(anticipatory occu-
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay
Apple CarPlay ®
®
see Smartphone integ ration
Assist
Assist ance syst
ance syst ems
ems
see Driving saf ety sy stem
ASS YS
ASS YST PL
T PL US
US
Battery disconnection period s................ 365
Displaying the service due dat e.............. 364
Fu nction/no tes...................................... 364
Re gular maintenance work..................... 364 Special service
requ irements................. 364
A
A T
TA
A (anti-t
(anti-theT heTalar
alarm syst
m syst em)
em)
Deactivating the alarm........................... 106
Fu nction................................................ 105
Interior pr otection function.....................1 07
Priming/deactivating interior pr otec-
tion........................................................ 107
Priming/deactivating tow- awa y pro-
te ction................................................... 107
To w- awa y protection function................. 106
A
A TTENTION ASSIST TTENTION ASSIST
Function................................................ 237
Setting.................................................. .238
System limitations.................................. 237
A
A tt
tt ention assist
ention assist ant
ant
see ATTENTION ASSIST
A
A ut
ut hor
hor ised w
ised w ork
orkshop
shop
see Quali/ed specialist workshop
A
A ut
ut omatic car w
omatic car w ash mode
ash mode
Ac tivating............................................... 373
A
A ut
ut omatic co-dr
omatic co-dr iv
iver airbag
er airbag shut
shuto.
o.
Fu nction of co-driver airbag shuto........... 51
A
A ut
ut omatic dist
omatic dist ance contr
ance control
ol
see Active Distance Assist DISTRONIC Index
521
521
Char
Char
ging
ging
No tes on wireless chargin g.................... 155
On-boa rdelectrical system battery
(12 V).................................................... 391
USB port................................................ 154
Child safe
Child safe ty lock
ty lock
Re ar door................................................ .78
Re ar side wind ows................................... 80
Child seat
Child seat
Appr oval catego ries.................................62
At tach ing (no tes)..................................... .62
Basic instructions.................................... 57
Fr ont passenger seat (no tes).................... 76
Fr ont passenger seat (without auto-
matic airbag shuto.)............................... .76
ISOFIX/i-Size (/tting).............................. .66
No tes on risks and danger s...................... 58
Re commendations forch ild restraint
systems................................................... 61
Seats suitable for belt-secured child
re straint systems..................................... 72
Seats suitable for i‑Size child restraint
systems................................................... 66
Seats suitable for ISOFIX child
re straint systems..................................... 64 Securing on
the co-driver seat..................77
Securing on there ar seat......................... 74
To pTe ther................................................ 70
Childr
Childr en en
Av oiding dangers in theve hicle............... .58
Basic instructions.................................... 57
Chock
Chock
Storage location..................................... 408
Chock
Chock see Chock
Cleaning
Cleaning see Care
Cleaning
Cleaning 0uid
0uid
see windscreen washer 0uid
Climat
Climat e contr
e contr ol
ol
Ac tivating/deactivating.......................... 179
Ac tivating/deactivating (rear operat-
ing unit)................................................. 179
Ac tivating/deactivating the A/C func-
tion (control panel)................................. 179
Ac tivating/deactivating the A/C func-
tion (MBUX multimedia system).............. 180
Ac tivating/deactivating the synchro-
nisation function (control panel).............1 81Ac
tivating/deactivating the synchro-
nisation function (MBUX multimedia
system).................................................. 181
Air-recirculation mode (with /ne parti-
cle pre/lter)...........................................1 81
Au tomatic control................................. .180
Au tomatically controlling (rear operat-
ing unit )................................................. 180
Calling up the air conditioning menu....... 179
Demisting the windscreen...................... 178
Demisting windo ws................................ 181
Fr ont air vents........................................ 186
Glo vebox air vent.................................. 188
Information on the windscreen heater.... 183
Inserting/re movingthe 0acon (fra-
gr ance system)...................................... 182
Ionisatio n.............................................. .182
No te...................................................... 178
Re ar air vents......................................... 187
Re ar operating uni t................................ 179
Re sidual heat......................................... 181
Re sidual heat (rear operating unit)......... .181
Setting (MBUX multimedia system)......... 179
Setting the air distribution...................... 178
Setting the air0ow.................................. 178
Setting the frag rance system.................. 182 524 524
Ind
ex
Selecting............................................... 207
Inspection
Inspection see ASS YST PLUS
Ins
Instr trument clust
ument clust er
er
Fu nction/no tes.............................. 308, 309
Ins
Ins tr
trument display
ument display
Fu nction/no tes...................................... 309
Instrument clus ter.................................... 10
Overview of displa ys............................... 312
Wa rning/indicator lamps........................ 504
Ins
Instr trument displa
ument displa y and on-boar
y and on-boar d com-
d com-
put
put er
er
Fu nction/no tes...................................... 308
Int
Int ellig
ellig ent Light Syst
ent Light Syst em
em
Ac tivating/deactivating.......................... 165
Ac tive headlamps................................... 163
Ad aptive Highbeam Assist Plu s............... 165
Cornering light....................................... 163
Fo g light (enhanced).............................. 164
Mo torw ay mode.................................... .164
Overview................................................ 163
Int
Int er
erior lighting
ior lighting
Ad justing............................................... 167
Ambient lighting.................................... .167 Re
ading lamp......................................... 167
Switch-o. delay time.............................. 168
Int
Int er
erior pr ot
ior pr otection
ection
Fu nction................................................ 107
Priming/deactivating............................. 107
Int
Int er
erne
ne t r
t radio
adio
see TuneIn
Ionisation
Ionisation Activating/deactivating (MBUX multi-
media system)....................................... 182
iPhone
iPhone ®
®
see Smartphone integ ration
ISOFIX c
ISOFIX c hild seat anc
hild seat anc hor
hor
Seats suitable for attaching...................... 64
ISOFIX c
ISOFIX c hild seat secur
hild seat secur ing syst
ing syst em
em
Fi tting...................................................... 66 J
J
Jack
Jack Declaration of conformity......................... 34
Storage location.................................... .408
Jum Jum p-st
p-st ar
art connection
t connection
General no tes....................................... .389 K
K
K
K e
ey
y
Ac oustic locking veri/cation signal.......... .82
Battery..................................................... 83
Deacti vating a function............................ 82
Emer gency key......................................... 83
Energy consum ption................................ 82
Fu nction overview.................................... 81
Ke yring attachment................................. 83
Problem................................................... 84
Unlocking setting..................................... 82
KEYLESS-GO
KEYLESS-GO
Deactivating a function............................ 82
Locking/unlocking theve hicle................. 86
Problem................................................... 86
Unlocking setting.................................... .82
Kic Kic kdo kdo wn
wn
Using..................................................... 212
Knee airbag
Knee airbag.................................................... 48 L L
Lamp Lamp see Interior lighting 536
536
Ind
ex