
remove the SmartKey. This function is
available for up to five minutes or until the
driver's
or front-passenger door is opened.
i When the override feature for the side
windows is activated ( Y page 66), the side
windows cannot be operated from the rear. Convenience opening
General notes You can ventilate the vehicle before you start
driving. To do this, the SmartKey is used to
carry out the following functions
simultaneously:
R
unlock the vehicle
R open the side windows
R open the sliding sunroof or the panorama
roof with power tilt/sliding panel and the
roller sunblinds
R switch on the seat ventilation for the
driver's seat
i The convenience opening feature can
only be operated using the SmartKey. The
SmartKey must be close to the driver's
door handle.
Convenience opening X
Point the tip of the SmartKey at the driver's
door handle.
X Press and hold the % button until the
side
windows and the sliding sunroof or the
panorama roof with power tilt/sliding
panel are in the desired position.
If the roller sunblinds of the panorama roof
with power tilt/sliding panel are closed, the
roller sunblinds are opened first.
X Press and hold the %
button again until
the panorama roof with power tilt/sliding
panel is in the desired position.
X To interrupt convenience opening:
release the % button. Convenience closing
Important safety notes G
WARNING
When closing the door windows and the
sliding sunroof or panorama roof with power
tilt/sliding panel, make sure that there is no
danger
of anyone being harmed by the closing
procedure.
If potential danger exists, proceed as follows:
R Release the & button to stop the closing
procedure. To open, press and hold the
% button. To continue the closing
procedure after making sure that there is
no danger of anyone being harmed by the
closing procedure, press and hold the
& button.
Vehicles with KEYLESS-GO:
R Release the sensor surface on the outside
door handle to stop the closing procedure.
R Immediately pull on the same outside door
handle and hold firmly. The door windows
and the sliding sunroof or panorama roof
with power tilt/sliding panel will open for
as long as the door handle is held but the
door is not opened.
When you lock the vehicle, you can
simultaneously:
R close the side windows
R close the sliding sunroof or the panorama
roof with power tilt/sliding panel
On vehicles with a panorama roof with power
tilt/sliding panel, you can then close the
roller sunblinds.
Using the SmartKey The SmartKey must be close to the driver's
door handle.
X
Point the tip of the SmartKey at the driver's
door handle.
X Press and hold the & button until the
side
windows and the sliding sunroof or the94
Side windows
Opening/closing

Useful information ............................
102
Correcting the driver's seat posi-
tion ..................................................... 102
Seats .................................................. 103
Steering wheel .................................. 111
Mirrors ............................................... 113
Memory function .............................. 116 101Seats, steering wheel and mirrors

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible.
Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Read the information on qualified
specialist workshops: ( Y page 25).Correcting the driver's seat position
X
Observe the safety guidelines on seat
adjustment ( Y page 103).
X Make sure that seat = is adjusted
properly.
Electrical seat adjustment ( Y page 104)
When adjusting the seat, make sure that:
R you
are as far away from the driver's air bag
as possible.
R you are sitting in a normal upright position.
R you can fasten the seat belt properly. R
you
have moved the backrest to an almost
vertical position.
R you have set the seat cushion angle so that
your thighs are gently supported.
R you can depress the pedals properly.
X Check whether the head restraint is
adjusted properly.
When doing so, make sure that you have
adjusted
the head restraint so that the back
of your head is supported at eye level by
the center of the head restraint.
X Observe the safety guidelines on steering
wheel adjustment ( Y page 111).
X Make sure that steering wheel : is
adjusted properly.
Adjusting the steering wheel electrically
(Y page 112)
When adjusting the steering wheel, make
sure that:
R you can hold the steering wheel with your
arms slightly bent.
R you can move your legs freely.
R you can see all the displays in the
instrument cluster clearly.
X Observe the safety guidelines for seat belts
(Y page 55).
X Check whether you have fastened seat
belt ; properly
(Y page 57).
The seat belt should:
R fit snugly across your body
R be routed across the middle of your
shoulder
R be
routed in your pelvic area across the hip
joints
X Before starting off, adjust the rear-view
mirror and the exterior mirrors in such a
way
that you have a good view of road and
traffic conditions (Y page 114).
X Vehicles with a memory function: save
the
seat, steering wheel and exterior mirror
settings with the memory function
(Y page 116). 102
Correcting the driver's seat position
Seats, steering wheel and mirrors

Seats
Important safety notes
G
WARNING
The seats can still be adjusted when there is
no key in the ignition lock. For this reason,
children should never be left unsupervised in
the vehicle. They could otherwise become
trapped when adjusting the seat. G
WARNING
Make sure that the back of your head is
supported at eye level by the central area of
the head restraint. If your head is not
supported
correctly by the head restraint, you
could suffer a severe neck injury in the event
of an accident. Never drive if the head
restraints are not engaged and set correctly. G
WARNING
In order to avoid possible loss of vehicle
control, all seat, head restraint, steering
wheel and rear view mirror adjustments, as
well as fastening of seat belts, must be done
before setting the vehicle in motion. G
WARNING
Do not adjust the driver's seat while driving.
Adjusting the seat while driving could cause
the driver to lose control of the vehicle.
Never
travel in a moving vehicle with the seat
backrest in an excessively reclined position as
this can be dangerous. You could slide under
the seat belt in a collision. If you slide under
it, the seat belt would apply force at the
abdomen or neck. This could cause serious or
fatal injuries. The seat backrest and seat belts
provide the best restraint when the wearer is
in a position that is as upright as possible and
seat belts are properly positioned on the
body. G
WARNING
Your seat belt must be adjusted so that you
can correctly fasten your seat belt. Observe the following points:
R
adjust
the seat backrest until your arms are
slightly angled when holding the steering
wheel.
R adjust the seat to a comfortable seating
position that still allows you to reach the
accelerator/brake pedal safely. The
position should be as far back as possible
with the driver still able to operate the
controls properly.
R adjust the head restraint so that it is as
close to the head as possible and the center
of the head restraint supports the back of
the head at eye level.
R never place hands under the seat or near
any moving parts while a seat is being
adjusted.
Failure to do so could result in an accident
and/or serious personal injury. G
WARNING
According to accident statistics, children are
safer when properly restrained on the rear
seats
than on the front-passenger seat. Thus,
we strongly recommend that children be
placed in the rear seat whenever possible.
Regardless of seating position, children 12
years old and under must be seated and
properly secured in an appropriately sized
child restraint system or booster seat
recommended for the size and weight of the
child. For additional information, see the
"Children in the vehicle" section.
A child's risk of serious or fatal injuries is
significantly increased if the child restraints
are not properly secured in the vehicle and/
or the child is not properly secured in the child
restraint.
! To avoid damage to the seats and the seat
heating, observe the following information:
R keep liquids from spilling on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat Seats
103
Seats, steering wheel and mirrors Z

X
Release the rear seat backrest and fold it
slightly forwards
(Y page 293).
X To remove: pull the head restraint up to
the stop.
X Press release catch : and pull the head
restraint out of the guides.
X To re-install: insert the head restraint so
that the notches on the bar are on the left
when viewed in the direction of travel.
X Push the head restraint down until you hear
it engage in position.
X Fold back the rear seat backrest until it
engages. Adjusting the active multicontour
seat
Overview :
To adjust the seat cushion length
; To switch the dynamic function on or off
= To adjust the side bolsters of the seat
backrest
? To switch the massage function on or off
A To adjust the contour of the backrest to
increase/decrease support
B To adjust the height/depth of the
backrest contour
The active multicontour seat on the driver's
side automatically adapts the sides of the
backrest
to your current driving style. You can
adjust the contour of the seats individually so
as to provide optimum support for your back
and sides. Dynamic function The dynamic function adjusts the air cushions
in the side bolsters of the seat backrests to
ensure ideal lateral support at all times.
X
To switch on: press button ; once or
twice until the desired level is set.
One or two indicator lamps in button ;
light up.
X To switch off: press button ; repeatedly
until
all indicator lamps in button ; go out.
You can choose between two different levels. Level 1 (one
indicator lamp) Standard setting:
slightly increased
lateral support and
slow build-up of air
pressure in the side
bolsters of the seat
backrest.
Level 2 (two
indicator lamps) Sport setting:
increased lateral
support and fast
build-up of pressure
in the side bolsters
of
the seat backrest. Massage function (PULSE)
The massage function helps you to prevent
muscle tension on long journeys. You can
choose between two levels.
X
To switch on: press button ? once or
twice until the desired level is set.
One or two indicator lamps in button ?
light up. The air cushions in the lumbar
region vibrate for approximately
20 minutes. Seats
107
Seats, steering wheel and mirrors Z

!
In order to avoid causing damage, push
the head restraints completely into their
guides and click the seat belt buckles into
their guides. X
Press release catch : and push the head
restraints in fully.
X Fold backrest ; of the folding bench seat
into its original position until it engages. Switching the seat heating on/off
Activating/deactivating 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. Driver's and front-passenger seat
Rear seats
1
The three red indicator lamps in the button
indicate the heating level you have selected.
The system automatically switches down
from level 3 to level 2 after approximately
eight minutes.
Driver's and front-passenger seat: the
system automatically switches down from
level 3 to level 2 after approximately eight
minutes.
Rear seat: the system automatically
switches down from level 3 to level 2 after
approximately five minutes.
The system automatically switches down
from
level 2 to level 1 after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
1 Canada only.110
Seats
Seats, steering wheel and mirrors

X
Make sure that the SmartKey is in position
1 or 2 in the ignition lock.
X To switch on: press button : repeatedly
until the desired heating level is set.
X To switch off: press button : repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off.
Problems with the seat heating The seat heating has switched off
prematurely or cannot be switched on. 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. Switching the seat ventilation on/off
Activating/deactivating 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 in the ignition lock.
X To switch on: press button : repeatedly
until the desired ventilation level is set.
X To switch off: press button : repeatedly
until all the indicator lamps go out. i
If the battery voltage is too low, the seat
ventilation may switch off.
i You can open the side windows and the
sliding sunroof using the "Convenience
opening" feature ( Y page 94). The seat
ventilation of the driver's seat
automatically
switches to the highest level.
Problems with the seat ventilation The seat ventilation has switched off
prematurely or cannot be switched on. 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. 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. Steering wheel
111
Seats, steering wheel and mirrors Z

Adjusting the steering wheel
:
To adjust the steering wheel height
; To adjust the steering wheel position
(fore-and-aft adjustment)
i Further related subjects:
R EASY-ENTRY/EXIT feature
(Y page 112)
R Storing settings
(Y page 116) Steering wheel heating
Activating/deactivating X
Make sure that the SmartKey is in position
2 in the ignition lock.
X To switch on/off: turn the lever in the
direction of arrow : or ;.
Indicator lamp = lights up or goes out.
Vehicles without KEYLESS-GO: when you
remove the SmartKey from the ignition lock,
the steering wheel heating is deactivated. Vehicles with KEYLESS-GO: when you switch
off
the ignition and open the driver's door, the
steering wheel heating is deactivated.
i The steering wheel heating may switch off
temporarily if:
R the temperature of the vehicle interior is
above 86 ‡ (30 †)
R the temperature of the steering wheel is
above 95 ‡ (35 †)
Indicator lamp = remains on.
Problems with the steering wheel
heating If steering wheel heating indicator lamp
=
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. 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. 112
Steering wheel
Seats, steering wheel and mirrors