
Adjusting the head restraints manually
Adjusting the head restraint height5
X
To raise: pull the head restraint up to the
desired position.
X To lower: press release catch : in the
direction of the arrow and push the head
restraint down to the desired position.
Adjusting the angle of the head restraints
X Push or pull the lower edge of the head
restraint in the direction of the arrow.
Adjusting the height of the head
restraints electrically
X To adjust the head restraint height: slide
the switch for head restraint adjustment
( Y page 101) up or down in the direction of
the arrow.
Adjusting the luxury head restraints
X To adjust the side bolsters of the head
restraint: push or pull right and/or left-
hand side bolster : into the desired posi-
tion.
X To adjust the angle of the head
restraint: push or pull the head restraint in
the direction of arrow ;.
iAdjust the head restraint so that the back
of your head is as close to the head
restraint as possible.
Rear seat head restraints
Adjusting the rear seat head restraint
height
Once the head restraint is fully lowered, press release catch :.
X To raise: pull the head restraint up to the
desired position.
5 For vehicles without memory function only.
Seats103
Seats, steering wheel and mirrors
Z

XTo lower: press release catch : and push
the head restraint down until it is in the
desired position.
Adjusting the rear seat head restraint
angle
Adjust the head restraints so that they are as
close as possible to your head.
You can only adjust the two outer head
restraints.
X Pull or push the top of the head restraint
until it is in the desired position.
Removing/installing the rear seat head
restraints
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.
Adjusting the lumbar support
You can adjust the contour of the front seats so as to provide optimum support for your
back.
X Move adjustment lever : in the direction
of the arrow until the desired backrest con- tour is achieved.
Adjusting the 4-way lumbar support
You can adjust the contour of the front seat
backrests individually to provide optimum
support for your back.
:To raise the backrest contour
;To soften the backrest contour
=To lower the backrest contour
?To harden the backrest contour
104Seats
Seats, steering wheel and mirrors

Problems with the seat heating
ProblemPossible causes/consequences and M Solutions
The seat heating has
switched off prema-
turely or cannot be
switched on.The on-board voltage is too low because too many elect rical con-
sumers 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
GWARNING
You could lose control of your vehicle if you do
the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten 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
If the steering wheel is unlocked while the
vehicle is in motion, it could change position
unexpectedly. This could cause you to lose
control of the vehicle. There is a risk of an
accident.
Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel while the vehicle is in motion.
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. Neverleave 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 man-
ually
GWARNING
If the steering wheel is unlocked while the
vehicle is in motion, it could change position
unexpectedly. This could cause you to lose
control of the vehicle. There is a risk of an
accident.
Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel while the vehicle is in motion.
:Release lever
;To adjust the steering wheel height
=To adjust the steering wheel position
(fore-and-aft adjustment)
X Push release lever : down completely.
The steering column is unlocked.
X Adjust the steering wheel to the desired
position.
X Push release lever : up completely.
The steering column is locked.
X Check if the steering column is locked.
When doing so, try to push the steering
106Steering wheel
Seats, steering wheel and mirrors

wheel up or down or try to move it in the
fore-and-aft direction.
Adjusting the steering wheel electri-
cally
:To adjust the steering wheel height
;To adjust the steering wheel position
(fore-and-aft adjustment)
The steering wheel can also be adjusted when the SmartKey is removed from the ignition
lock.
iFurther related subjects:
R EASY-ENTRY/EXIT feature
(Y page 108)
R Storing settings ( Y page 112)
Steering wheel heating
Switching on/off
X Turn the SmartKey to position 2 in the igni-
tion lock ( Y page 149).
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.
iThe 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 = remains on.
Steering wheel107
Seats, steering wheel and mirrors
Z

Problems with the steering wheel heating
ProblemPossible causes/consequences and M Solutions
The steering wheel
heating has switched
off prematurely or can-
not be switched on.The on-board voltage is too low because too many elect rical con-
sumers 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
GWARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants – particularly children – could
become trapped. There is a risk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel.
If somebody becomes trapped: R press one of the memory function position
buttons, or
R move the switch for steering wheel adjust-
ment in the opposite direction to that in
which the steering wheel is moving.
The adjustment process is stopped.
GWARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There is a risk of an
accident.
Always wait until the adjustment process is
complete before driving off.
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 com-
puter ( Y page 233).
Position of the steering wheel when the
EASY-ENTRY/EXIT feature is active
The steering wheel swings upwards when
you:
R remove the SmartKey from the ignition lock
R open the driver's door with KEYLESS-GO in
position 1
R open the driver's door and the SmartKey is
in position 0 or 1 in the ignition lock
( Y page 149)
iThe steering wheel only moves upwards if
it has not already reached the upper stop.
Position of the steering wheel for driv-
ing
The steering wheel is moved to the last selec-
ted position when:
R the driver's door is closed
R you insert the SmartKey into the ignition
lock
or
R you press the Start/Stop button once on
vehicles with KEYLESS-GO
When you close the driver's door with the
ignition switched on, the steering wheel is
also automatically moved to the previously
set position.
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 112).
108Steering wheel
Seats, steering wheel and mirrors

Crash-responsive EASY-EXIT feature
If the crash-responsive EASY-EXIT feature is
triggered in an accident, the steering columnwill move upwards when the driver's door is
opened. This occurs irrespective of the posi-
tion of the SmartKey in the ignition lock. This
makes it easier to exit the vehicle and rescue
the occupants.
The crash-responsive EASY-EXIT feature is
only operational if the EASY-EXIT/ENTRY fea- ture is activated in the on-board computer.
Mirrors
Rear-view mirror
X Anti-glare mode: flick anti-glare lever :
forwards or back.
Exterior mirrors
Adjusting the exterior mirrors
GWARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten 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
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the dis-
tance from road users traveling behind, e.g.
when changing lane. There is a risk of an acci-
dent.
For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder.
The convex exterior mirrors provide a larger
field of vision.
The exterior mirrors are automatically heated
after starting the vehicle if the rear window
defroster is switched on and the outside tem- perature is low. Heating takes a maximum of
10 minutes.
iYou can also heat up the exterior mirrors
manually by switching on the rear window
defroster.
X Make sure that the SmartKey is in position
1 or 2 in the ignition lock ( Y page 149).
X Press button : for the left-hand exterior
mirror or button ; for the right-hand exte-
rior mirror.
The indicator lamp in the corresponding
button lights up in red.
The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button = as long
as the indicator lamp is lit.
X Press adjustment button = up, down, or to
the left or right until you have adjusted the
Mirrors109
Seats, steering wheel and mirrors
Z

If you come into contact with the electrolyte,
observe the following:R Rinse off the electrolyte from your skin
immediately with water.
R Immediately rinse the electrolyte out of
your eyes thoroughly with clean water.
R If the electrolyte is swallowed, immediately
rinse your mouth out thoroughly. Do not
induce vomiting.
R If electrolyte comes into contact with your
skin or hair or is swallowed, seek medical
attention immediately.
R Immediately change out of clothing which
has come into contact with electrolyte.
R If an allergic reaction occurs, seek medical
attention immediately.
The rear-view mirror and the exterior mirror
on the driver's side automatically go into anti-
glare mode if the following conditions are met simultaneously: R the ignition is switched on and
R incident light from headlamps strikes the
sensor in the rear-view mirror.
The mirrors do not go into anti-glare mode if
reverse gear is engaged or if the interior light-
ing is switched on.
Parking position for the exterior mir-
ror on the front-passenger side
Setting and storing the parking position
Using reverse gear
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 posi-
tion.
X Make sure that the vehicle is stationary and
that the SmartKey is in position 2 in the
ignition lock ( Y page 149).
X Press button ; 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 = to adjust the
exterior mirror to a position that allows you to see the rear wheel and the curb.
The parking position is stored.
iIf you shift the transmission to another
position, the exterior mirror on the front-
passenger side returns to the driving posi-
tion.
Using the 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. This setting can be
stored using memory button M ? .
X Make sure that the SmartKey is in position
2 in the ignition lock ( Y page 149).
X With the exterior mirror on the front-
passenger side activated, use adjustment
button = to adjust the exterior mirror. In
the exterior mirror, the rear wheel and the
curb should be visible.
Mirrors111
Seats, steering wheel and mirrors
Z

XPress memory button M ? and one of the
arrows on adjustment button = within
three seconds.
The parking position is stored if the exterior
mirror does not move.
X If the mirror moves out of position, repeat
the steps.
Calling up a stored parking position set-
ting
X Turn the SmartKey to position 2 in the igni-
tion lock ( Y page 149).
X Adjust the exterior mirror on the front-
passenger side using button ;.
X Engage reverse gear.
The exterior mirror on the front-passenger
side moves to the stored parking position.
The exterior mirror on the front-passenger
side moves back to its original position:
R as soon as you exceed a speed of 9 mph
(15 km/h)
R if you press button : for the exterior mir-
ror on the driver's side
Memory function
Storing settings
GWARNING
If you use the memory function on the driver's side while driving, you could lose control of
the vehicle as a result of the adjustments
being made. There is a risk of an accident.
Only use the memory function on the driver's
side when the vehicle is stationary.
GWARNING
When the memory function adjusts the seat or steering wheel, you and other vehicle occu-
pants – particularly children – could become
trapped. There is a risk of injury.
While the memory function is making adjust-
ments, make sure that no one has any body
parts in the sweep of the seat or steering
wheel. If somebody becomes trapped, imme- diately release the memory function position
button. The adjustment process is stopped.
GWARNING
Children could become trapped if they acti-
vate the memory function, particularly when
unattended. There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Neverleave children unsupervised in the vehicle.
The memory function can be used at any time,
e.g. even when the key isn't in the ignition
lock.
With the memory function, you can store up
to three different settings, e.g. for three dif-
ferent people.
The following settings are stored as a single
memory preset:
R position of the seat, backrest and head
restraint
R driver's side: steering wheel position
R driver's side: position of the exterior mir-
rors on the driver's and front-passenger
sides
112Memory function
Seats, steering wheel and mirrors