B
à Sets climate control toautomatic mode,
leT (/ page 184)
C I Reduces the air0ow or switches o. cli-
mate control (/ page 183)
% The climate bar is visible even when theve hi-
cle is par ked or the air conditioning is
switched o. (/ page 183).
% The availability of individual functions is coun-
try and equipment-dependent.
% Vehicles with Dis tance Assist DISTRONIC: if
Distance Assist DISTRONIC inter venes, the
climate bar display on the central display will
be reduced. Ov
Ov
er
ervie
vie w of t
w of t he r
he rear oper
ear oper ating unit
ating unit 1
Sets air dist ribution tothe centre and side air
ve nts in there ar passen ger compartment, leT
2 Sets thete mp erature in there ar passen ger
compartment, leT
3 Sets the air0ow in there ar passen ger com-
partment, leT, or switches climate control
on/o. (/ page 183) 4
Switches climate control on/o.
(/ page 183)
or switches residual heat on/o.
(/ page 186)
5 Sets the air0ow in there ar passen ger com-
partment, right, or switches climate control
on/o. (/ page 183)
6 Sets thete mp erature in there ar passen ger
compartment, right
7 Sets air distribution tothe centre and side air
ve nts in there ar passen ger compartment,
ri ght
8 Sets rear climate cont rolto automatic mode,
ri ght
9 Sets the air distribution totheright rear foot-
we llve nts
A Synchronisation is activated (/ page 185)
B Sets the air distribution tothere ar leT foot-
we llve nts
C Sets rear climate cont rolto automatic mode,
leT
The settings forth e second row of seats can be
con/gured via there ar operating unit, the multi- 182 182
Climate control
Defr
Defr
os
osting tting t he windscr
he windscr een via t
een via the climat
he climat e bar
e bar Switc
Switc
hing on
hing on #
Press ¬onthe climate bar on the central
displa y.
Switc
Switc hing
hingo.
o. #
Press ¬, Ãorj onthe climate bar
on the central display
or #
set the air0ow to0.
% When the defrost function is activated, some
functions (e.g. thete mp erature setting) are
automatically deactivated. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the A/C function via t
he A/C function via t he
he
multimedia syst
multimedia syst em
emMultimedia system:
4 Climate menu 5
First row of seats
Depending on theex tern al conditions, impr oved
cooling and dehumidi/cation of the interior air are
suppor ted when the A/C function is activated. #
Select A/C(A/C). Se
Se
tting climat
tting climat e contr
e control t
ol to aut
o aut omatic mode via t
omatic mode via t he
he
climat
climat e bar
e bar In automatic mode,
the set vehicle interior tem-
perature is controlled automatically and main-
ta ined at a constant le velby the air suppl y. #
Press AUTO onthe climate bar on the central
displa y.
% You can increase or reduce the air0ow by
pressing Konthe climate bar on the cen-
tral displa y. #
T To switc
o switc h t
h to manual oper
o manual oper ation:
ation:switch o.
automatic mode or adjust an aspect of air dis-
tribution, e.g. P. Se Se
tting air dis
tting air distr tribution using t
ibution using t he air conditioning
he air conditioning
menu
menu Multimedia system:
4 Climate menu #
Select First row of seats orSecond row of
seats. #
Toset the air distribution: select ¯,P
or O. #
Set the air0o w.
% When the air conditioning system is switched
on, at least one zone is alw ays active. Ho w-
ev er, se veral air distribution options can be
selected at the same time, forex ample toset
th e climate control forth e interior and the
fo ot we lls simultaneousl y.The windsc reen air
conditioning ¯can only be selected for
th e /r st ro w of seats. When automatic mode
is active, the buttons for setting the air distri-
bution are automatically deactivated. When
th e air conditioning system is switched o.,
th e buttons remain operable and the last set-
ting is sa ved. Se Se
tting t
tting t he f
he foo
ootw
twell t
ell t em
emper
per ature
ature Multimedia system:
4 Climate menu #
Select ^and set the desired foot we llte m-
perature using the slider. 184
184
Climate control
Se
Se
tting r
tting r ear climat
ear climat e contr
e control using tol using t he air condi-
he air condi-
tioning menu
tioning menu Multimedia system:
4 Climate menu
Se
Se tting t
tting t he t
he tem
emper
per ature
ature #
Select Second row of seats. #
Set thete mp erature.
Se
Se tting t
tting t he
heair0ow
air0ow #
Select Second row of seats. #
Set the air 0ow with sorr.
Contr
Contr olling t
olling t he r
he rear climat
ear climat e contr
e control aut
ol automatically
omatically #
Select AUTO.
% When the defrost function is activated, some
functions (e.g. thete mp erature setting) are
automatically deactivated. Todeactivate the
defrost function, either press ¬,Ã
or j or set the air volume toleve l 0
(/ page 184).
Deactiv
Deactiv ating r
ating rear climat
ear climat e contr
e control
ol #
Select REAR OFF. Switc
Switc
hing t
hing t he sync
he sync hr
hronisation function
onisation function on/o.
on/o.via
via
t
t he air conditioning menu
he air conditioning menu Multimedia system:
4 Climate menu
Climate control can be set centrally using the syn-
ch ronisation function. The driver's settings for
te mp erature, air0ow and air distribution will be
adop ted automatically for all climate zones. #
Select First row of seats. #
Select SYNC(SYNC). Demis
Demisting t
ting the windo ws
he wind ows W
W
indow
indow s mist
s mist ed up on t
ed up on t he inside
he inside #
Press Ãonthe climate bar on the central
displa y. #
Ifth e windo wsremain misted up: press ¬
on the climate bar on the central displa y.
W
W indow
indow s mist
s mist ed up on t
ed up on t he outside
he outside #
Switch on the windscreen wipers. #
Press Ãonthe climate bar on the central
displa y. Switc
Switc
hing air
hing air -r
-recir
ecirculation mode culation mode on/o.
on/o. #
Press gonthe climate bar on the central
displa y.
The interior air will be recirculated.
Air-recirculation mode will automatical lyswitch to
fresh air mode aTer a while.
% If air-re circulation mode is switched on, the
wind ows may mist up more quickl y.Switch on
ai r-re circulation mode only brie0y. Switc Switc
hing air
hing air -r
-recir
ecir culation mode
culation mode on/o.
on/o.via t
via the
he
multimedia syst
multimedia syst em
em R
R
eq
eq uir
uir ements:
ements:
R Vehicles with /ne particle pre/lter
Multimedia system: 4 Climate menu 5
Air quality #
Press gonthe upper display area of the
climate bar.
The interior air will be recirculated.
Air-recirculation mode will automatical lyswitch to
fresh air mode aTer a while. Clima
tecont rol
185
185
%
If air-recirculation mode is swit ched on, the
wind ows may mist up more quickl y.Switch on
ai r-re circulation mode only brie0y. Switc
Switc
hing r
hing r esidual heat mode
esidual heat mode on/o.
on/o.via t
via the cli-
he cli-
mat
mat e bar
e bar R
R
eq
eq uir
uir ements:
ements:
R The residual heat function is available.
R The vehicle is par ked.
R The coolant temp erature is su1ciently high.
It is possible tomake use of there sidual heat
from the engine tocontinue heating or ventilating
th e front compartment of theve hicle for appr ox-
imately 30 minutes, depending on thete mp era-
ture set. #
T
To switc
o switc h on or
h on or o.:
o.:select Residual heat on
th e climate bar of the central displa y.
The residual heat function automatically switches
o. aTer some time.
% Ifre sidual engine heat utilisation is activated,
th e two buttons for setting thete mp erature and air distribution are automatically deactiva-
te
d. Switc Switc
hing r
hing r esidual heat
esidual heat on/o.
on/o.via t
via the r
he rear oper
ear oper at-
at-
ing unit
ing unit R
R
eq
eq uir
uir ements:
ements:
R The residual heat function is available.
R The vehicle is par ked.
R The coolant temp erature must be su1ciently
high.
When there sidual heat of the engine is activated
in there ar compartment, you can heat or ventila te
th e front and rear compartments for appr ox-
imately 15 minutes. #
Press button Ì. A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating ionisation
ating ionisation Multimedia system:
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 distribution
is set tothe side air vent. The function is
re stric ted if the side air vents on the driver's
side are closed. F
F
r
ragr
agr ance syst
ance syst em
em A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating t
ating the fr
he fragr
agrance syst
ance syst em
em
using t
using t he multimedia syst
he multimedia syst em
em
R
R eq
eq uir
uir ements:
ements:
R Automatic climate control is activated.
R The glo vecompartment is closed.
R A 0acon is inser ted. 186
186
Climate control
Pr
Pr
e-entr
e-entr y climat
y climat e contr
e control f
ol for depar
or depar tur
ture time
e time Pr
Pr
e-entr
e-entr y climat
y climat e contr
e control f
ol for depar
or depar tur
ture time func-
e time func-
tion
tion &
W
WARNI NG
ARNI NGDanger tolife due toexposure
to extreme heat or cold in theve hicle
If people, particular lych ildren, are exposed to
ex treme temp eratures over an extended
period of time, there is a risk of serious injury
or danger tolife. #
Never lea vepersons, children in particu-
lar, unattended in theve hicle. &
W
WARNING
ARNING Risk of burns due torepeatedly
switching on the seat heating
Re peatedly switching on the seat heating can
cause the seat cushion and seat backrest pad-
ding tobecome very hot.
In particular, the health of persons with limited
te mp erature sensitivity or a limited ability to
re act tohigh temp eratures may be a.ected or
th ey may even su.er burn-like injuries. #
Do not repeatedly switch on the seat
heating. To
protect against overheating, the seat heating
may be temp orarily deactivated aTer it has been
switched on repeatedl y.
% This function is only available for plug-in
hy brids or vehicles with a 48-V on-board elec-
trical system.
The air inside theve hicle can be heated, ventila-
te d or cooled tothe set temp erature when the
ve hicle is par ked.
When theve hicle is connected topowe r supply
equipment, priority is given tocharging the 48 V
battery or the high-voltage battery toa speci/ed
minimum charge.
The running time of pre-entry climate control may
be reduced under thefo llowing conditions (vehi-
cles with a 48 V on-board electrical system):
R The vehicle is not connected topowe r supply
equipment.
R The 48 V battery is not fully charge d. Wi
th active pre-ent ryclimate cont rol,th ech arge
le ve l of the 48 V battery or the high-voltage bat-
te ry may be reduced, even if thech arging cable
connector is connected.
If present, seat ventilation is activated in cooling
and ventilation mode.
Depending on theve hicle's equipment, thefo llo w-
ing functions are activated in heating mode, if
av ailable:
R Seat heating
R Steering wheel heater
R Panel heating
R Mirror heater
R Rear wind owheater
R Windsc reen heater
When the set temp erature is changed, climate
cont rol mode will automatically be updated and
switched from heating mode toventilation or cool-
ing mode, from cooling mode toventilation or
heating mode or from ventilation mode toheating
or cooling mode. Climate cont
rol
189 189
A
A
ctiv
ctiv ating/deactiv
ating/deactiv ating immediat
ating immediat e pr
e pre-entr
e-entr y cli-
y cli-
mat
mat e contr
e contr ol
ol &
W
WARNING
ARNING Dangertolife due toexposure
to extreme heat or cold in theve hicle
If people, particular lych ildren, are exposed to
ex treme temp eratures over an extended
period of time, there is a risk of serious injury
or danger tolife. #
Never lea vepersons, children in particu-
lar, unattended in theve hicle. &
W
WARNING
ARNING Risk of burns due torepeatedly
switching on the seat heating
Re peatedly switching on the seat heating can
cause the seat cushion and seat backrest pad-
ding tobecome very hot.
In particular, the health of persons with limited
te mp erature sensitivity or a limited ability to
re act tohigh temp eratures may be a.ected or
th ey may even su.er burn-like injuries. #
Do not repeatedly switch on the seat
heating. To
protect against overheating, the seat heating
may be temp orarily deactivated aTer it has been
switched on repeatedl y.
% The immediate pre-entry clima tecont rol is
only available for plug-in hybrids or vehicles
with a 48-V on-board elect rical system.
Air conditioning of theve hicle interior can con-
tinue for up to50 minutes, e.g. if the journey is
inter rupted. #
Vehicles with a 48-V on-board elect rical sys-
te m: press button 1.
The red or blue indicator lamp on button 1
will light up or go out. #
Set thete mp erature using the ar rows w
on the climate bar on the central displa y.
The colours of the indicator lamp ha vethefo llo w-
ing meaning (vehicles with a 48 V on-board elec-
trical system):
R Blue: Blue: Ventilation or cooling mode is switched
on.
R R
Red:
ed: Heating mode is switched on.
R Y
Yello w:
ello w:the departure time is preselected. S
S
t
tationar
ationar y heat
y heater/v
er/ventilation
entilation S
S
t
tationar
ationar y heat
y heater/v
er/ventilation function
entilation function
% The following function is equipment-depend-
ent.
R The air inside theve hicle is heated or ventila-
te dto the set temp erature. Climate control
191
191
S
S
t
tar
ar ting t
ting t he v
he vehicle
ehicle S
S
t
tar
ar ting t
ting t he v
he vehicle wit
ehicle wit h t
h the st
he st ar
art/st
t/st op butt
op butt on
on &
D
DAN
AN GER
GER Risk of fatal injuries caused by
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and leads topoisoning. #
Never lea vetheve hicle or, if present, the
stationa ryheater running in an enclosed
space without su1cient ventilation. &
W
WARNI NG
ARNI NGRisk of /re due to0ammable
material in the engine compartment or the
ex haust system
Flammable materials may ignite. #
Therefore, check regula rly th at there are
no 0ammable materials in the engine
compartment or on theex haust system. R
R
eq
eq uir
uir ements:
ements:
R theke y is in theve hicle and is recognised. #
ShiT the transmission toposition jori. #
Depress the brake pedal and press button 1
once. #
Ifth eve hicle does not start: switch o. non-
essential consumers and press but ton1
once. #
Ifth eve hicle still does not start and the dis-
play message Place the key in the marked
space See Owner's Manual also appears in
th e driver's displa y: starttheve hicle with the
ke y in the mar ked space (emer gency ope ra-
tion mode) (/ page 200).
% You can switch o. theve hicle while driving. To
do this, press button 1for about thre e sec-
onds or bypressing button 1thre e times
within thre e seconds. Be sure toobser vethe
saf ety no tes under "Driving tips"
(/ page 203).
Obser veany information rega rding display mes-
sages that can be displ ayed on the driver's dis-
pla y. S
S
t
tar
ar ting t
ting t he v
he vehicle wit
ehicle wit h t
h the ke
he key in t
y in t hestow
he st owage
age
com
com par
partment (emerg
tment (emerg ency oper
ency operation mode)
ation mode)
If th eve hicle does not start and thePlace the
key in the marked space See Owner's Manual
display message appears in the driver's displa y,
yo u can start theve hicle in emer gency ope ration
mode. #
Make sure that the cup holder 2is em pty. #
Remo vetheke y1 from theke yring. #
Place theke y1 inthe cup holder 2.
The vehicle will start aTer a short time.
When youre mo vethe, key1 from the cup
holder 2,theve hicle can be driven. For fur- 200 200
Driving and parking
R
Vehicles tr avelling in front, or oncoming vehi-
cles, can create waves which may exceed the
maximum permissible dep thofthewa ter.
The braking e.ect of the brakes is reduced aTer
fo rd ing. Brake carefully while paying attention to
th e tra1c conditions until braking po wer has been
fully restored. F
F
unction of r
unction of r ear axle st
ear axle steer
eering
ing %
This function is an on-demand feature
(/ page 24).
The rear axle steering is an elect romechanical
auxiliary steering on there ar axle which adjusts
th e steering of there ar wheels according tothe
position of the front wheels, depending on the
speed. This results in greater manoeuvrability and
impr oved driving stability, e.g. when cornering.
Re ar axle steering has thefo llowing characteris-
tics:
R reduced steering e.ort and turning circle
re sulting in reduced parking e.ort
R impr oved driving stability, e.g. when cornering R
more direct steering resulting in impr oved
handling of theve hicle
Obser vethe no tes on snow chains and snow
ch ain mode (/ page 399). EC
EC
O st
O st ar
art/st
t/st op function
op function EC
EC
O st
O st ar
art/st
t/st op function
op function
% Depending on the engine, the ECO start/s top
function is not available in all drive prog rams.
Obser vethe status display in the driver's dis-
play forth is.
The engine is switched o. automatically in thefo l-
lowing situations if all vehicle conditions for an
automatic engine stop are met:
R you brake theve hicle toa standstill in trans-
mission position hori.
R V
Vehicles wit
ehicles with a 48 V on-boar h a 48 V on-boar d electr
d electrical sy
ical sys-
s-
t
t em:
em: you depress the brake pedal when tr avel-
ling at a low speed. If
th e system has de tected one of thefo llowing
situations, the engine will not stop:
R you stop at a stop sign and there is no vehicle
in front of you.
R theve hicle that stopped in front of you starts
up again.
R you manoeuvre, turn the steering wheel
sharply or engage reve rsege ar.
% Ifth e system de tects an intelligent stop inhibi-
to r,fo rex ample, a stop sign, the engine will
not stop.
If yo u activate the HOLD function or engage
th e park position j,the engine can be
switched o. in spite of an intelligent stop
inhibitor.
The engine restarts au tomatically in thefo llowing
cases:
R you engage transmission position hork.
R you depress the accelerator pedal.
R theve hicle requ ires an automatic engine start.
R youre lease the brake pedal. Driving and parking
207 207