
Installing/removing the head restraint
Removing
XMoveth eseat int oth eposition for chauffeur
mode, until th ehead restrain tfolds forward
completely (
Ypage 106).
XFold head restrain tbar cover s; backwards.
XPull adjuster lever ?backwards and hold it in
this position .Hold head restrain t: while
doin gso.
XRemove head restrain t:.
XReleas eadjuster lever ?.
Red pin =protrudes from th eadjuster lever.
XPress down red pin =.
XFold covers; forwards and close them.
Installing
XFold cover s; backwards.
XPull handle ?backwards.
Red pin =protrudes from th eadjuster lever.
XInser thead restrain t: intoth ebrackets .
The head restrain tmust engage on bot h
sides.
XPress down red pin =.
If th epin can be presse ddown and is then no
longer visible, th ehead restrain thas engage d
correctly.
XFold cover s; forwards and close them.
The head restrain tfolds int oposition auto -
matically.
Moving the front-passenger seat into
the normal position
Adjusting fr om the rear compar tment
You can use th eoverride butto nto disable this
function (Ypage 65).
The head restrain tmust be installed, in order for
th efront-passenger seat to be moved int oth e
normal position (
Ypage 108).
The power suppl yor th eignition must be
switched on so that th efront-passenger seat
can be selected (
Ypage 146).
XTo select thefront-passenger seat: press
butto n: repeatedly until th eindicator lamp
in th ebutto nlights up.
The front-passenger seat is selected if th e
indicator lamp in th ebutto nlights up.
XPress butto n= backwards and hold it in this
position .
The front-passenger seat moves int oth enor-
mal adjustmen trange at th ethreshold of th e
area for chauffeur mode. The head restrain t
folds int oposition .
If you continue to hold down butto n=, the
seat continue sto mov ebackwards.
or
XBriefly press butto n; backwards.
The front-passenger seat moves int oth enor-
mal adjustmen trange at th ethreshold to th e
area for chauffeur mode. The head restrain t
folds int oposition .
108Seats
Seats, steering wheel and mirrors 

iFurther settings are available via the mem-
ory function buttons, if:
Ra position in the normal setting has already been saved
Rthe front-passenger seat has been selected
with button :
Adjusting from the driver's seat
The head restraint must be installed, in order for
the front-passenger seat to be moved into the
normal position (
Ypage 108).
The power supply or the ignition must be
switched on so that the front-passenger seat
can be selected (
Ypage 146).
XTo select the front-passenger seat: press
button :repeatedly until the indicator lamp
in the button lights up.
The front-passenger seat is selected if the
indicator lamp in the button lights up.
XPress button =backwards and hold it in this
position.
The front-passenger seat moves into the nor-
mal adjustment range at the threshold of the
area for chauffeur mode. The head restraint
folds into position.
If you continue to hold down button =, the
seat continues to move backwards.
or
XBriefly press button ;backwards.
The front-passenger seat moves into the nor-
mal adjustment range at the threshold to the
area for chauffeur mode. The head restraint
folds into position.
iFurther settings are available via the mem-
ory function buttons if the front-passenger
seat has been selected via button :.
Adjusting from the front-passenger seat
XPress any seat adjustment button.
The front-passenger seat moves into the nor-
mal adjustment range at the threshold of the
area for chauffeur mode. The head restraint
folds into position.
Fully reclined position of the front-
passenger seat
Setting
This function is only available on vehicles with
electrically adjustable rear seats.
You can move the front-passenger seat into a
fully reclined position. The rear seat and front-
passenger seat then provide a continuous sur-
face. The rear-seat passenger can use the front-
passenger seat backrest as a legrest.
To do so:
Rmove the seat cushion of the rear seat as far
back as possible in a longitudinal direction
(
Ypage 102)
Rmove the front-passenger seat into position
for chauffeur mode (Ypage 106)
Rremove the front-passenger head restraint
(Ypage 108)
Rmove the front-passenger seat so that the
backrest is in a fully reclined position
(
Ypage 101)
Exiting
To exit the fully reclined position:
Rfold the backrest upright to a suitable position
Rinstall the front-passenger head restraint
(Ypage 108)
Adjusting the head restraints
Important safety notes
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Seats109
Seats, steering wheel and mirrors
Z 

Adjust the driver's seat, head restraint, steer-ing wheel and mirror and fasten your seat belt
before starting the engine.
GWARNING
If the head restraints are not installed or not
adjusted correctly, they cannot provide pro-
tection as intended. There is an increased risk
of injury in the head and neck area, e.g. in the event of an accident or when braking.
Always drive with the head restraints instal-
led. Before driving off, make sure for every
vehicle occupant that the center of the head
restraint supports the back of the head at
about eye level.
Do not rotate the head restraints of the front and rear seats. Otherwise, you cannot adjust the
height and angle of the head restraints to the
correct position.
Using the fore-and-aft adjustment, adjust the
head restraint so that it is as close as possible to
your head.
Pay attention to the important safety notes
(
Ypage 100).
Adjusting the front head restraints
Adjusting the head restraints manually
With this function you can adjust the distance
between the head restraint and the back of the
seat occupant's head.
XTo move forwards: pull the head restraint
forwards in the direction of the arrow until it
engages in the desired position.
XTo move backwards: press and hold the
release catch :.
XPush the head restraint back.
XRelease the release button once the head
restraint is in the desired position.
XEnsure that the head restraint is engaged.
Adjusting the luxury head restraint
mechanically
XTo adjust the side bolsters of the head
restraint:push or pull right- and/or left-hand
side bolster :into the desired position.
XTo adjust the fore-and-aft position for-
wards: pull the head restraint forwards in the
direction of arrow ;until it engages in the
desired position.
XTo adjust the fore-and-aft position back-
wards: press and hold release catch =.
XFold the head restraint backwards in the
direction of arrow;.
XLet go of release button =once the head
restraint is in the desired position.
XEnsure that the head restraint is engaged.
Adjusting the EASY ADJUST luxury head
restraint mechanically
110Seats
Seats, steering wheel and mirrors 

XTo adjust the side bolsters of the head
restraint:push or pull right and/or left-hand
side bolster :into the desired position.
iThe fore-and-aft position of the head
restraint is adjusted automatically when you
adjust the seat backrest angle using the seat
switch.
Adjusting the front head restraints elec-
trically
The height and fore-and-aft position of the front
head restraints can be adjusted with the seat
adjustment switch (
Ypage 101).
Adjusting the rear seat head restraints
Lowering the rear seat head restraints
electrically from the front
XSwitch on the power supply or the ignition
(Ypage 146).
XBriefly press button :.
The head restraints lower.
iIf all of the rear seat head restraints are low-
ered and button :is pressed again, the outer
rear head restraints move into the last stored
position.
Extending the outer rear seat head
restraints from the front electrically
This function is available on vehicles with elec-
trically adjustable rear seats.
XSwitch on the power supply or the ignition
(Ypage 146).
XPress and hold button :until the head
restraints have extended upwards.
Extending the outer rear head restraints
into the last stored position
This function is available on vehicles with elec-
trically adjustable rear seats.
XSwitch on the power supply or the ignition
(Ypage 146).
XBriefly press button :.
The head restraints lower.
XBriefly press button :again.
The head restraints move to the last stored
position.
Adjusting the luxury head restraint in the
rear compartment mechanically
XTo adjust the side bolsters of the head
restraint: push or pull right and/or left-hand
side bolster :into the desired position.
XTo adjust the angle of the head restraint:
push or pull the head restraint in the direction
of arrow ;.
Adjusting the rear head restraints electri-
cally
The height and fore-and-aft position of the rear
head restraints can be adjusted with the seat
adjustment switch (
Ypage 102).
Supplementary cushion for luxury head
restraints
The supplementary cushion is available on vehi-
cles with electrically adjustable rear seats.
Only use the supplementary cushion when the
vehicle is stationary.
Seats111
Seats, steering wheel and mirrors
Z 

The supplementary cushion is in the vehicle.
The supplementary cushion is attached to the
head restraint by three press studs.
Attaching the supplementary cushion:
XPosition the head restraint as far forwards as
possible (Ypage 102).
XHold supplementary cushion;against the
head restraint and push press studs :into
the counterpieces.
Removing the supplementary cushion:
XPosition the head restraint as far forwards as
possible (Ypage 102).
XRelease press studs :and remove supple-
mentary cushion ;.
Adjusting the rear center head
restraints
Retracting and extending electrically
XPress and hold button :until the head
restraint has fully extended or retracted.
Folding into position mechanically
XPull the head restraint up until it engages.
Adjusting the active multicontour
seat
You can adjust the active multicontour seats for
the driver and front passenger via the multime-
dia system; see the Digital Operator's Manual.
The driving dynamics settings are only activated if:
Rthe seat is occupied
Rthe seat belt is fastened
Adjusting the active multicontour
seat in the rear compartment
You can adjust the multicontour seats for the
outer seats in the rear using the remote control;
see the Digital Operator's Manual.
Adjusting the 4-way lumbar support
You can adjust the 4-way lumbar support via the
multimedia system (see the Digital Operator's
Manual).
Switching the seat heating on/off
Switching on/off
GWARNING
Repeatedly switching on the seat heating can
cause the seat cushion and backrest pads to
become very hot. The health of persons with
112Seats
Seats, steering wheel and mirrors 

limited temperature sensitivity or a limited
ability to react to excessively high tempera-
tures may be affected or they may even suffer
burn-like injuries. There is a risk of injury.
Therefore, do not switch the seat heating on
repeatedly.
For vehicles equipped with the Warmth Comfort
package: the armrest in the door and the center
console can also be heated when you switch on
the seat heating of one of the front seats. You
can set this via the multimedia system; see the
Digital Operator's Manual.
The three red indicator lamps in the button indi-
cate the heating level you have selected.
The system automatically switches down from
level 3to level 2after approximately eight
minutes.
The system automatically switches down from
level 2to level 1after approximately ten
minutes.
The system automatically switches off approx-
imately 20 minutes after it is set to level 1.
Vehicles with the Seat Heating Plus package:
you can set the distribution of the heated sec-
tions of the seat cushion and backrest via the
multimedia system; see the Digital Operator's
Manual.
Vehicles with a Rear Seat Entertainment System
and electric seat adjustment: you can set the
distribution of the heated sections of the seat
cushions and backrests on the rear seats via the
Rear Seat Entertainment System; see the Digital
Operator's Manual.
Front seats
XSwitch on the power supply or the ignition
(Ypage 146).
XTo switch on: press button:repeatedly
until the desired heating level is set.
XTo switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
heating may switch off.
Rear seats
XSwitch on the power supply or the ignition
(Ypage 146).
XTo switch on: press button:repeatedly
until the desired heating level is set.
XTo switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
heating may switch off.
Switching the seat ventilation on/off
Front seats
The three blue indicator lamps in the buttons
indicate the blower setting you have selected.
Seats113
Seats, steering wheel and mirrors
Z 

XSwitch on the power supply or the ignition
(Ypage 146).
XTo switch on:press button:repeatedly
until the desired blower setting is set.
XTo switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
ventilation may switch off.
iYou can open the side windows and the slid-
ing sunroof using the "Convenience opening"
feature (
Ypage 92). The seat ventilation of
the driver's seat automatically switches to the
highest level.
iWhen the vehicle is stationary, the fan
speed can be reduced automatically. This
reduces the noises of the seat ventilation.
Rear seat
Switching the seat ventilation in the rear com-
partment on/off
XSwitch on the power supply or the ignition
(Ypage 146).
XTo switch on: press button:repeatedly
until the desired blower setting is set.
XTo switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
ventilation may switch off.
iWhen the vehicle is stationary, the fan
speed can be reduced automatically. This
reduces the noises of the seat ventilation.
Problems with the seat heating/ventilation
ProblemPossible causes/consequences and MSolutions
The seat heating or seat
ventilation has switched
off prematurely or can-
not be switched on.The on-board voltage is too low because too many electrical consum-
ers are switched on.
XSwitch off electrical consumers that you do not need, such as the
rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating or seat
ventilation can be switched back on manually.
114Seats
Seats, steering wheel and mirrors 

Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
GWARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no SmartKey in
the ignition lock.
Adjusting the steering wheel
:Adjusts the steering wheel height
;Adjusts the steering wheel position (fore-
and-aft adjustment)
iFurther related subjects:
REASY-ENTRY/EXIT feature (Ypage 116)
RStoring settings (Ypage 120)
Steering wheel heating
Switching on/off
XSwitch on the ignition (Ypage 146).
XTo switch on/off: turn the lever in the direc-
tion of arrow :or;.
Indicator lamp =lights up or goes out.
If you switch off the ignition, the steering wheel
heating is deactivated.
Steering wheel115
Seats, steering wheel and mirrors
Z