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head restraint supports the back of the head
at eye level. This will reduce the potential for
injury to the
head
and neck in the event of an
accident or similar situation.
Do not drive the vehicle without the seat head
restraints. Head restraints are intended to
help reduce injuries during an accident.
Adjusting the front seat head restraint
height 0043
Head restraint height
0044 Seat cushion angle
0087 Seat height
0085 Seat fore-and-aft adjustment
0083 Backrest angle
X Slide head restraint adjustment button 0043
up or down in the direction of the arrow.
Adjusting the luxury head restraints G
WARNING
When folding back the head restraint side
bolsters, do not put your hands between the
side bolster and the cushion holder. There is
a danger of becoming trapped. X
To adjust the side bolsters of the head
restraint: push or pull right and/or left-
hand side bolster 0043 into the desired
position.
X To adjust the angle of the head
restraint: push or pull
the head restraint in
the direction of arrow 0044.
Resetting the front seat head restraints It is necessary to reset the front seat head
restraints after the voltage supply has been
interrupted, e.g. if the battery has been
completely discharged or disconnected.
X
Make sure that the cup holder on the center
console is folded down ( Y page 268).
X Move the seat as far forward as possible
and the
head restraint
in as far as possible.
Rear seat head restraints Important safety notes
G
WARNING
For safety reasons, always drive with the rear
head restraints in the upright position when
the rear seats are occupied.
Keep the area
around
head restraints clear of
articles (e.g. clothing) to not obstruct the
folding operation of the head restraints. G
WARNING
For your protection, drive only with properly
positioned head restraints.
Adjust the head
restraint
in such a way that it
is as close to the head as possible and the Seats
87
Seats, steering wheel and mirrors
Z
Page 90 of 364

center of the head restraint supports the back
of the head at eye level. This will reduce the
potential for injury
to
the head and neck in the
event of an accident or similar situation.
With a rear seat occupied, make sure to move
the respective head restraint up from the
lowest non-use position and have the
occupant adjust the head restraint properly.
Do not drive the vehicle without the seat head
restraints installed when the rear seats are
occupied. Head restraints are intended to
help reduce injuries during an accident. G
WARNING
Make sure the rear seat head restraints
engage when placing them upright manually.
Otherwise their protective function
cannot be
ensured.
The back of the head will not be supported in
the event of a collision. That could cause
serious or even fatal injuries. Rear seat
occupants can be seriously injured or killed.
Adjusting the rear seat head restraint
height X
Once the head restraint is fully lowered,
press release catch 0043.
X To raise: pull the head restraint up to the
desired position.
X To lower:
press release catch 0043 and
push
the head restraint down until it is in the
desired position. Installing/removing the rear seat head
restraints
X
To remove: pull the head restraint up to
the stop.
X Press release catch 0043 and pull the head
restraint out of the guides.
X To re-install: place the head restraint in
the guides of the backrest.
i The notches on
the
guide rod must be on
the left-hand side when viewed in the
direction of travel.
X Push the head restraint down until you hear
it engage in position. Adjusting the multicontour seat
0043
To adjust the thigh cushion
0044 To adjust the backrest contour in the
lumbar region
0087 To adjust the backrest contour in the
upper back region
0085 To adjust the side bolsters of the seat
backrest
You can adjust the contour of the front seats
individually so as to
provide optimum support
for your back and sides.
X Make sure that the SmartKey is in position
1 or 2 (Y page 139) in the ignition lock.88
Seats
Seats, steering wheel and mirrors
Page 91 of 364

Adjusting the 4-way lumbar support
You can adjust the contour of the front seat
backrests individually to provide optimum
support for your back. 0043
To raise the backrest contour
0044 To soften the backrest contour
0087 To lower the backrest contour
0085 To harden the backrest contour Switching the seat heating on/off
General notes G
WARNING
Repeatedly setting the seat heating to level
3 may result in excessive seat temperatures.
The health of passengers that have limited
temperature sensitivity or a limited ability to
react to excessively high temperatures may
be affected or they may even suffer burn-like
injuries. Therefore, do not use seat heating
level 3 repeatedly.
The red indicator lamps
in the button indicate
the heating level you have selected.
X Make sure that the SmartKey is in position
2 in the ignition lock.
i If the battery voltage is too low, the seat
heating may switch off.
One or more of the indicator lamps in the
seat heating button are flashing. Switching the front-seat heating on/off
X
To switch on: press button 0043 repeatedly
until the desired heating level is set.
X To switch off: press button 0043 repeatedly
until all the indicator lamps go out.
i The system automatically switches down
from level
3to level 2
after approximately 8
minutes.
The system automatically switches down
from level 2to level1 after approximately
10 minutes.
The system automatically switches off
approximately 35 minutes after it is set to
level 1.
Switching the rear-seat heating on/off X
To switch on: press button 0043 repeatedly
until the desired heating level is set.
X To switch off: press button 0043 repeatedly
until all the indicator lamps go out.
i The system automatically switches down
from level
3to level 2
after approximately 8
minutes. Seats
89
Seats, steering wheel and mirrors Z
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The system automatically switches down
from level 2to level1 after approximately
10 minutes.
The system automatically switches off
approximately 35 minutes after it is set to
level
1.
Problems with the seat heating If the on-board voltage is too low, the seat
heating is switched off automatically.
X
Switch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting.
If the on-board voltage is only interrupted
briefly, the seat heating
will switch back on
automatically. If the seat heating is not
switched on automatically:
X Switch the seat heating on manually
(Y page 89) Switching the seat ventilation on/off
Activating/deactivating Seat ventilation is only available for the front
seats.
The three blue
indicator
lamps in the buttons
indicate the ventilation level you have
selected.
X Make sure that the SmartKey is in
position 2 (Y page 139) in
the ignition lock.
X To switch on: press button 0043 repeatedly
until the desired ventilation level is set. i
If you open the side windows and the
sliding sunroof using the SmartKey
(Y page 78), the driver's seat ventilation
automatically switches
to the
highest level.
X To switch off: press button 0043 repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off.
Problems with the seat ventilation If one or all of the indicator lamps in the seat
ventilation button are flashing, the seat
ventilation has switched off automatically.
The vehicle's electrical system voltage is too
low because too many electrical consumers
are switched on.
X
Switch 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 ventilation will switch back on
automatically. Steering wheel
Important safety notes
G
WARNING
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving
could cause the driver to lose control of the
vehicle.
The electrical steering wheel adjustment
feature can be operated at any time.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. A child's unsupervised access to a
vehicle could result in an accident and/or
serious personal injury. 90
Steering wheel
Seats, steering wheel and mirrors
Page 93 of 364

Adjusting the steering wheel
0043
To adjust the steering wheel height
0044 To adjust the steering wheel position
(fore-and-aft adjustment)
i If the driver's door is open, the steering
wheel can be adjusted for up to
30 minutes after the ignition has been
switched off.
i Further related subjects:
R EASY-ENTRY/EXIT feature
(Y page 92)
R Storing settings ( Y page 95)Steering wheel heating
Activating/deactivating 0043
To switch on the steering-wheel heating
0044 To switch off the steering-wheel heating
0087 Indicator lamp
The steering-wheel heating heats the leather
areas of the steering wheel. X
To activate: make sure
that the SmartKey
is in position 1 or 2 in the ignition lock.
X Turn the catch in the direction of
arrow 0043.
Indicator lamp 0087 lights up.
X To deactivate: make sure that the
SmartKey is
in position
1
or 2 in the ignition
lock.
X Turn the catch in the direction of
arrow 0044.
Indicator lamp 0087 goes out.
i The steering wheel heating does not
switch off automatically.
i The steering wheel
heating
may switch off
temporarily if:
R the temperature in the vehicle interior is
above 86 ‡ (30 †)
R the temperature of the steering wheel is
above 95 ‡ (35 †)
Indicator lamp 0087 remains on.
i The steering wheel heating is deactivated
if you remove the SmartKey from the
ignition lock.
Problems with the steering wheel
heating 0043
To switch on the steering-wheel heating
0044 To switch off the steering-wheel heating
0087 Indicator lamp Steering wheel
91
Seats, steering wheel and mirrors Z
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If steering wheel heating indicator lamp
0087 is
flashing, the steering wheel heating has
switched off automatically. The vehicle's
electrical system voltage is too low because
too many electrical consumers are switched
on.
X Switch off electrical
consumers that you do
not need, such as the rear window
defroster or interior lighting.
Once the battery is
sufficiently charged, the
steering wheel heating will switch back on
automatically. Steering wheel EASY-ENTRY/EXIT
feature
Important safety notes G
WARNING
Make sure that nobody can become trapped
when you activate the EASY-ENTRY/EXIT
feature.
If there is a risk of someone becoming
trapped, stop the adjustment procedure. To
halt the procedure:
R press the steering column adjustment
button.
R press one of the memory function position
buttons.
The steering column stops moving
immediately.
Do not keep the memory function position
button pressed as this will start the memory
function and set the steering wheel and seat
in motion.
Do not leave children unattended in the
vehicle. They could open
the driver's door and
thereby unintentionally activate the EASY-
ENTRY/EXIT feature and become trapped. G
WARNING
Let the system complete the adjustment
procedure before setting the vehicle in
motion. All steering wheel adjustment must
be completed before setting the vehicle in motion. Driving off with the steering wheel
still adjusting could cause the driver to lose
control of the vehicle.
! Do not activate the EASY-ENTRY/EXIT
feature, if the seat
backrest is reclined too
far backwards. This can damage the front
or rear seats. You must first move the
backrest to a vertical position.
The EASY-ENTRY/EXIT feature makes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board
computer (Y page 221).
Position of the steering wheel when the
EASY-ENTRY/EXIT feature is active The steering wheel moves upwards and
towards the dashboard if:
R
you remove the SmartKey
from the ignition
lock or
R you open the driver's door with the
SmartKey in position 0 or 1 in the ignition
lock.
i The steering wheel only moves upwards
and towards the dashboard if it has not
already reached the upper end stop.
Position of the steering wheel for
driving The steering wheel is moved to the last
selected position when:
R
the driver's door is closed.
R you insert the SmartKey into the ignition
lock.
The last position of the steering wheel is
stored when you switch off the ignition or
when you store the setting with the memory
function ( Y page 95).92
Steering wheel
Seats, steering wheel and mirrors
Page 95 of 364

Mirrors
Rear-view mirror
X Adjust the rear-view mirror by hand so you
have a good overview of the traffic
conditions behind you. Exterior mirrors
Adjusting the exterior mirrors G
WARNING
The exterior mirrors reduce the size of the
image. Objects are actually closer than they
appear. You could misjudge
the distance from
vehicles driving behind and cause an
accident, e.g. when changing lane. For this
reason, make sure of the actual distance from
the vehicle driving behind by glancing over
your shoulder. X
Make sure that the SmartKey is in position
1 or 2 (Y page 139) in the ignition lock.
X Press button 0043 to select the left-hand
exterior mirror
or
X Press button 0044 to select the right-hand
exterior mirror.
X Press button 0087 up, down, or to the left or
right until you have adjusted the exterior
mirror to the correct position. You should
have a good overview of traffic conditions.
i The convex exterior mirrors provide a
larger field of vision. i
The exterior mirrors are automatically
heated if the rear window defroster is
switched on and the outside temperature
is low.
Folding the exterior mirrors in/out
electrically X
Make sure that the SmartKey is in position
1 or 2 (Y page 139) in the ignition lock.
X Briefly press button 0043.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
i If you are driving faster than
9 mph (15
km/h
), you can no longer fold in
the exterior mirrors.
Setting the exterior mirrors If the battery has been disconnected or
completely discharged, the exterior mirrors
must be reset. The exterior mirrors will
otherwise not fold in when you select the Mirrors
93
Seats, steering wheel and mirrors Z
Page 96 of 364

"Fold in mirrors when locking" function in the
on-board computer (Y page 221).
X
Make sure that the SmartKey is in position
1(Y page 139) in the ignition lock.
X Briefly press button 0043.
Folding the exterior mirrors in/out
automatically If the "Fold in mirrors when locking" function
is activated in the on-board computer
(Y page 221):
R
the exterior mirrors fold
in automatically as
soon as you lock the vehicle from the
outside.
R the exterior mirrors fold out again
automatically as soon as you unlock the
vehicle and then open the driver's or front-
passenger door.
Exterior mirror out of position X
Press button 0043 repeatedly until you hear
the mirror engage in position.
The mirror housing is engaged again and
you can adjust the
exterior mirrors as usual
(Y page 93). Automatic anti-glare mirrors
G
WARNING
If incident light from headlamps is prevented
from striking the sensor in the rear-view
mirror, for instance,
by
luggage piled too high
in the vehicle, the mirror's automatic anti-
glare function will not operate.
Incident light could then blind you. This may
distract you from the traffic conditions and,
as a result, you may cause an accident.
The rear-view mirror and the exterior mirror
on the driver's side automatically go into anti-
glare mode if:
R the ignition is switched on and
R incident light from headlamps strikes the
sensor in the rear-view mirror. i
The mirrors do not
go into anti-glare mode
if reverse gear is engaged or if the interior
lighting is switched on. Parking position for the exterior
mirror on the front-passenger side
Setting/storing the parking position Using reverse gear
0043
Left-hand exterior mirror
0044 Right-hand exterior mirror
0087 Adjustment button
0085 Memory button
You can position the front-passenger side
exterior mirror in
such
a way that you can see
the rear wheel on that side as soon as you
engage reverse gear. You can store this
position.
X Make sure that the vehicle is stationary and
that the SmartKey is in position
2(Y page 139) in the ignition lock.
X Press button 0044 for the exterior mirror on
the front-passenger side.
X Engage reverse gear.
The exterior mirror on the front-passenger
side moves to the preset parking position.
X Use adjustment button 0087 to adjust the
exterior mirror to a
position that allows you
to see the rear wheel and the curb.
The parking position is stored.
i If you shift the transmission to another
position, the exterior mirror on the front- 94
Mirrors
Seats, steering wheel and mirrors