Page 179 of 609

It is possible
tomake use of there sidual heat
from the engine tocontinue heating or ventilat‐
ing the front compartment of theve hicle for
appr oximately 30 minutes, depending on the
te mp erature set. #
Toswitch on: selectResidual heat onthe
climate bar on the cent ral displa y.
Re sidual heat will be switched off automaticall y.Switching
residual heat on/off via there ar
operating unit Re
quirements:
R The residual heat function is available.
R The vehicle is par ked.
R The coolant temp erature must be suf ficiently
high.
When there sidual heat of the engine is activated
in there ar compartment, you can heat or venti‐
la te the front and rear compartments for appro x‐
ima tely 15 minutes. #
Press button 4. Ac
tivating/deactivating ionisation Multimedia sy
stem:
4 Climate menu 5
Air quality
Ionisation impr ovesth equ ality of theve hicle's
interior air. Ionisation of the interior air is odour‐
less. #
Select Ionisation.
% The function can only be per form ed if the
AU TO mode is activated or the air distribu‐
tion is set tothe side air vent. The function is
re stricted if the side air vents on the driver's
side are closed. Fr
ag rance sy stem Setting
the frag rance sy stem
Re quirements:
R The climate control sy stem is switched on.
R The glove box is closed.
R Aflacon is inser ted. Multimedia sy
stem:
4 Climate menu 5
Air quality
The fragrance sy stem distributes a pleasant fra‐
grance thro ughout theve hicle interior from a fla‐
con located in theglove box. #
Select Air freshener. #
Keep pressing until the desired intensity is
re ached.
Inserting or removing the flacon ofthe fra‐
gr ance sy stem &
WARNING Risk of inju ryfrom liquid per‐
fume
If ch ildren open theflacon, they could drink
th e liquid perfume or it could come into con‐
ta ct wi th theireyes. #
Do not lea vechildren unat tended in the
ve hicle. #
Consult a doctor immediately if liquid
perfume has been drunk. 176
Climate cont rol
Page 190 of 609
#
Toopen the side air vents in there ar:
press button 1.
If th e button is flush with the side trim, the
side air vent is open. #
Toclose the side air vents in there ar:
press button 1again.
If th e button pr otru des from the side trim,
th e side air vent is closed. #
Toadjust the airflow direction of the side
air vents: hold air vent 2 inthe cent reand
mo veit up or down or tothe left or right.
Opening or closing the air vent in thegl ove
box
* NO
TEDama geto te mperature-sensitive
objects in theglove box Te
mp erature-sensitive objects stored in the
gl ove box may be damaged bythe air vent
located inside theglove compa rtment. #
Close the air vent when you heat the
ve hicle. #
Athigh outside temp eratures, open the
air vent and switch on the A/C func‐
tion. The automatic climate control must be switched
on tocool theglove box. 1
Airvent controller
2 Airvent #
Toopen or close: turn controller1tothe
ri ght or left. Climate control
187
Page 346 of 609

Re
ceiving TVchannels in HD quality *
NO
TEDama getothe CI+ module and
Smart Card The CI+ module is designed
for use in the
home. The CI+ module can overheat and be
damaged bycontinuous exposure tohigh
outside temp eratures. #
Make sure that the CI+ module is not
subject tohigh temp eratures forex ten‐
ded pe riods of time.
If th e CI+ module is damaged, no
encryp tedch annels can be recei ved. %
The CI+ module is not available in all coun‐
tries.
A CI+ module (Common In terface Module),
which is not included in the scope of deliver y,is
used todecrypt HD programmes according to
th e CI+ standard.
In some countries, an additional smart card is
re qu ired, which is inse rted into the CI+ module
(see the manufacturer's operating manual). The CI+ module is connected in
the CI+ box in
th eglove compa rtment. #
Toinsert the sma rtcard in the CI+ mod‐
ule: ifre qu ired (countr y-dependent), insert
th e smart card into the CI+ module slot.
% The CI+ box is designed for operation at
te mp eratures between 0 °C and 65 °C. At
operating temp eratures that are higher or
to o low a message appears in the multime‐
dia sy stem and the CI+ module is switched
off automaticall y.Ifth e CI+ module is
switched off, no encryp tedch annels can be
re cei ved. MBUX multimedia sy
stem 343
Page 572 of 609

Ad
justing (rear)..................................... .186
Glove box.............................................. .187
Air vents
see Air vents
Ai r-conditioning sy stem
see Climate control
Air-recirculation mode.............................. 175
Air-water duct Keeping free.......................................... 353
Airbag Activation................................................. 41
Belt airbag............................................... 44
Centre airbag (driver, front passen ger)....47
Fr ont airbag (driver, front passenger)...... 47
Ins tallation locations.............................. .47
Knee airbag............................................ .47
Overview................................................. 47
PA SSENGER AIR BAG indicator lamp....... 52
Pr otection................................................ 48
Re duced pr otection.................................49
Side airba g.............................................. 47
Wi ndow airba g......................................... 47
Airflow Setting................................................... 172AIRM
ATIC
Setting.................................................. .258
Suspension........................................... 258
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambient lighting Setting (MBUX multimedia sy stem)....... 16 2
Android Auto
see Smartphone integration
Animals Pets in theve hicle................................... 76
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door loc k................................ .81
Immobiliser........................................... 104Anti-theft pr
otection
see ATA (anti-theft alarm sy stem)
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay ®
see Smartphone integration
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS
Battery disconnection pe riods.............. 348
Displaying the service due dat e............. 347
Fu nction/no tes..................................... 347
Re gular maintenance work.................... 347
Special service requ irements................ 347
ATA (anti-theft ala rmsystem)
Deactivating the alarm.......................... 105
Fu nction................................................ 104
Fu nction of interior pr otection............... 105
Priming/deactivating interior pr otec‐
tion........................................................ 106 Index
569