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X Turn the mechanical key back and remove
it.
X Pull the door handle again.
X Insert the mechanical key into the
SmartKey.
Locking the vehicle
If the vehicle can no longer be locked with the SmartKey, you can lock it by taking the following steps. If the central locking in the vehicle is malfunctioning, you cannot lock the trunk.
X Press down the locking knobs on the open
rear doors.
X Close the rear doors.
X Open the front-passenger door.
X Close the driver's door and the trunk lid.
X Press down the locking knob of the driver's
door inside the vehicle.
X Press down the locking knob of the open
front-passenger door.
i Make sure that you have the SmartKey on your person and that it has not been left in the vehicle.
X Close the front-passenger door.
X Make sure that the doors and the trunk are
locked.
i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti- theft alarm system is not armed.
Trunk
Important safety notes
Do not leave the SmartKey in the trunk. You could otherwise lock yourself out.
Trunk
91
G WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the vehicle, even if they are secured in a child restraint system, and do not give them access to an unlocked vehicle. A child's unsupervised access to a vehicle could result in an accident and/or serious personal injury. They could:
Rinjure themselves on vehicle parts
Rbe seriously or fatally injured by extreme
heat or cold
Rinjure themselves or have an accident with
vehicle equipment that may still be in operation even after the SmartKey has been removed from the ignition, such as the seat adjustment, steering wheel adjustment or memory function.
If children open a door, they could cause severe or even fatal injury to other persons; if they get out of the vehicle, they could injure themselves when doing so or be seriously or even fatally injured by any passing traffic.
Do not expose the child restraint system to direct sunlight. The child restraint system's metal parts, for example, could become very hot, and a child could be burned on these parts.
G WARNING Do not carry heavy or hard objects in the passenger compartment or trunk unless they are firmly secured in place.
Unsecured or improperly positioned cargo increases a child's risk of injury in the event of
Rstrong braking maneuvers
Rsudden changes of direction
Ran accident
G WARNING Make sure the trunk lid is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO)
92
Trunk
gases may enter the vehicle interior resulting in unconsciousness and death.
! The trunk lid swings upwards when
opened. Therefore, make sure that there is sufficient clearance above the trunk lid.
You can limit the opening angle of the trunk lid. This could be useful, for example, if there is insufficient space above the trunk lid. You can switch the Trunk Opening-height Restriction function on or off via COMAND (Y page 269).
To open the trunk lid completely, a minimum clearance of 5.90 ft (1.80 m) above the ground is necessary.
Vehicles without trunk lid remote closing feature: the trunk lid can be:
Ropened and closed manually from outside
Ropened automatically from outside
Ropened automatically from inside
Rlocked separately
Runlocked with the mechanical key
Ropened with the emergency release button
Vehicles with trunk lid remote closing feature: the trunk lid can be:
Ropened and closed manually from outside
Ropened and closed automatically from
outside
Ropened and closed automatically from
inside
Rlocked separately
Runlocked with the mechanical key
Ropened with the emergency release button
Opening and closing manually
Opening
X Press the % button on the SmartKey.
X Pull handle :.
X Raise the trunk lid.
Closing
G WARNING To prevent possible personal injury, always keep hands and fingers away from the trunk opening when closing the trunk lid. Be especially careful when small children are around.
X Pull the trunk lid down using recess :.
X If necessary, lock the vehicle with the & button on the SmartKey (Y page 82) or with KEYLESS-GO (Y page 83).
i If a KEYLESS-GO key is detected in the trunk, the trunk lid cannot be locked and then opens again.
Opening/closing automatically from
outside
Important safety notes
G WARNING Make sure the trunk lid is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO) gases may enter the vehicle interior resulting in unconsciousness and death.
! The trunk lid swings upwards when
opened. Therefore, make sure that there is sufficient clearance above the trunk lid.
To open the trunk lid completely, a minimum clearance of 5.90 ft (1.80 m) above the ground is necessary.
Opening
You can open the trunk lid using the SmartKey. X Press and hold the F button on the
SmartKey until the trunk lid opens.
Closing
G WARNING Monitor the closing procedure carefully to make sure no one is in danger of being injured. To prevent possible personal injury, always keep hands and fingers away from the trunk opening when closing the trunk lid. Be especially careful when small children are around. To stop the closing procedure, do one of the following: RPress button F on the SmartKey.
RPress the remote trunk opening/closing
switch (on the driver's door).
RPress the trunk closing switch.
RPress the KEYLESS-GO locking/closing
switch.
RPull the trunk lid handle.
Trunk
93
Even with the SmartKey removed from the starter switch or the SmartKey with KEYLESS- GO removed from the vehicle, the remote trunk opening/closing switch can be operated. 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.
You can close the trunk lid automatically by using the closing button3 or locking button4.
X To close: press closing button : in the
trunk lid.
X To close and lock simultaneously:
Press locking button ; in the trunk lid.
i If you leave a KEYLESS-GO key in the
trunk, the trunk lid will not lock.
Opening/closing automatically from
inside
G WARNING Maintain sight of the area around the rear of the vehicle while operating the trunk lid with the door mounted switch. Monitor the closing procedure carefully to make sure no one is in danger of being injured.
To interrupt the closing procedure, release the door mounted remote trunk opening/ closing switch again.
3 For vehicles with the trunk lid remote closing feature only. 4 For vehicles with the trunk lid remote closing feature and KEYLESS-GO only.
94
Trunk
Even with the SmartKey removed from the starter switch or the SmartKey with KEYLESS- GO removed from the vehicle, the remote trunk opening/closing switch can be operated. 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.
G WARNING Make sure the trunk lid is closed when the engine is running and while driving. Among other dangers, deadly carbon monoxide (CO) gases may enter the vehicle interior resulting in unconsciousness and death.
You can open and close the trunk lid from the driver's seat when the vehicle is stationary and unlocked.
X To open: press remote operating switch for
trunk lid : until the trunk lid opens.
X Insert the mechanical key into the trunk lid
lock as far as the stop.
X Turn the mechanical key clockwise from
position 1 to position 2.
X Remove the mechanical key.
X Insert the mechanical key into the
SmartKey.
Unlocking the trunk (mechanical key)
! The trunk lid swings upwards when
opened. Therefore, make sure that there is sufficient clearance above the trunk lid.
If the trunk cannot be unlocked with the SmartKey or KEYLESS-GO, use the mechanical key.
If you use the mechanical key to unlock and open the trunk lid, the anti-theft alarm system will be triggered (Y page 79).
X Take the mechanical key out of the
SmartKey (Y page 84).
X To close: press remote operating switch
for trunk lid : until the trunk lid is closed.
X Insert the mechanical key into the trunk lid
lock as far as the stop.
Locking the trunk separately
You can lock the trunk separately. If you then unlock the vehicle centrally, the trunk remains locked and cannot be opened.
X Close the trunk lid.
X Take the mechanical key out of the
SmartKey (Y page 84).
Side windows
95
Side windows
Important safety notes
G WARNING When opening or closing the door windows, make sure that there is no danger of anyone being harmed by the opening/closing procedure.
The door windows are equipped with automatic operation and the anti-entrapment feature. If in automatic mode a door window encounters an obstruction that blocks its path, the anti-entrapment feature will stop the door window and open it slightly.
The door windows operate differently when the switch is pulled. See the "Problems with door windows" section for details.
The closing of the door windows can be immediately halted by releasing the switch or, if the switch was pulled past the resistance point and released, by either pressing or pulling the respective switch.
Activate the override switch when children are riding in the back seats of the vehicle. The children may otherwise injure themselves, e.g. by becoming trapped in the door window opening.
G WARNING Do not keep any part of your body up against the window pane when opening a window. The downward motion of the pane may pull that part of your body down between the window pane and the door frame and trap it there. If there is a risk of entrapment, release the switch and pull it to close the window.
X Turn the mechanical key counter-clockwise
from position 1 as far as it will go to position 2. The trunk is unlocked.
X Turn the mechanical key back to position
1 and remove it.
X Insert the mechanical key into the
SmartKey.
Trunk emergency release
You can open the trunk lid from inside the vehicle with the emergency release button.
X Briefly press emergency release
button :. The trunk lid unlocks and opens.
The trunk lid can be unlocked and opened with the trunk lid emergency release when the vehicle is stationary or while driving.
Trunk lid emergency release light:
Remergency release button : flashes for 30 minutes after the trunk lid is opened Remergency release button : flashes for 60 minutes after the trunk lid is closed.
The trunk lid emergency release does not open the trunk lid if the battery is disconnected or discharged.
96
Side windows
Opening and closing the side
Sunblinds on the rear side windows
windows
: Front left
; Front right
= Rear right
? Rear left
The switches for all side windows are located on the driver's door. There is also a switch on each door for the corresponding side window.
The switches on the driver's door take precedence.
i The side windows cannot be operated
from the rear when the override feature for the side windows is activated (Y page 71).
X Turn the SmartKey to position 1 or 2 in the
ignition lock.
X To open: press the corresponding switch.
X To close: pull the corresponding switch. i If you press the switch beyond the point
of resistance, an automatic opening/ closing process is started in the corresponding direction. You can stop automatic operation by operating the switch again.
i You can continue to operate the side
windows after you switch off the engine or remove the SmartKey. This function is available for up to five minutes or until the driver's or front-passenger door is opened.
X To close fully: pull the corresponding
switch when the side window is closed.
X To open fully: press the corresponding
switch.
i You can use the switches on the rear
doors to close the rear roller sunblinds for the opposite side.
Convenience opening
You can ventilate the vehicle before you start driving. To do this, the key is used to carry out the following functions simultaneously:
Runlock the vehicle
Ropen the side windows
Ropen the roller sunblinds on the rear side
windows
Ropen the sliding sunroof or the panorama roof with power tilt/sliding panel and the roller sunblinds
Rswitch 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.
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 one of the sunblinds is closed, the sunblind will open first.
i The roller sunblinds of the panorama roof with power tilt/sliding panel and the roller sunblinds on the rear side windows are opened at the same time.
X Press and hold the % button again until the side windows and the sliding sunroof or
the panorama roof with power tilt/sliding panel are in the desired position.
X To interrupt convenience opening:
release the % button.
Convenience closing
General notes
When you lock the vehicle, you can simultaneously:
Rclose the side windows
Rclose the sliding sunroof or the panorama
roof with power tilt/sliding panel
On vehicles with roller sunblinds, you can then close the roller sunblinds.
i The roller sunblinds of the panorama roof with power tilt/sliding panel and the roller sunblinds on the rear side windows are closed at the same time.
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:
RRelease 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:
RRelease the sensor surface on the outside door handle to stop the closing procedure.
RImmediately 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.
Side windows
97
Using the SmartKey
i 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 the panorama roof with power tilt/sliding panel are fully closed.
X Make sure that all the side windows and the
sliding sunroof or panorama roof with power tilt/sliding panel are closed.
On vehicles with roller sunblinds:
X Press the& button again until the roller
sunblinds close.
X To interrupt convenience closing:
release the & button.
Using KEYLESS-GO
The KEYLESS-GO key must be outside the vehicle. All the doors must be closed.
X Touch recessed sensor surface : on the door handle until the side windows and the sliding sunroof or the panorama roof with power tilt/sliding panel are fully closed.
i Make sure you only touch recessed
sensor surface :.
98
Sliding sunroof
X Make sure that all the side windows and the
Problems with the side windows
sliding sunroof or panorama roof with power tilt/sliding panel are closed.
X To interrupt convenience closing:
release recessed sensor surface : on the door handle.
On vehicles with roller sunblinds:
X Touch the recessed sensor surface on the door handle again until the roller sunblinds close.
X To interrupt the roller sunblind closing procedure: pull the exterior door handle and hold it firmly.
Problem: a side window cannot be closed
because it is blocked by objects, e.g.
leaves in the window guide.
X Remove the objects.
X Close the side window.
Problem: a side window cannot be closed
and you cannot see the cause.
G WARNING Closing the side windows with increased force or without the anti-entrapment feature could lead to serious or even fatal injury. Make sure that nobody can become trapped when closing the side windows.
Resetting the side windows
You must reset each side window if:
If a side window is obstructed during closing and reopens again slightly:
Ra side window cannot be closed
X Immediately after the window blocks, pull
automatically
Ra side window opens again slightly after
being closed manually
X Close all the doors.
the corresponding switch again until the side window has closed. The side window is closed with increased force.
X Turn the SmartKey to position 1 or 2 in the
ignition lock.
If a side window is obstructed again during closing and reopens again slightly:
X Pull the corresponding switch on the door
X Immediately after the window blocks, pull
control panel until the side window is completely closed. (Y page 96)
X Hold the switch for an additional second.
If the side window opens again slightly:
X Immediately pull the corresponding switch
on the door control panel until the side window is completely closed (Y page 96).
X Hold the switch for an additional second.
X If the corresponding side window remains closed after the button has been released, the side window has been reset correctly. If this is not the case, repeat the steps above again.
the corresponding switch again until the side window has closed. The side window is closed without the anti- entrapment feature.
G WARNING Pulling and holding the switch to close the door window immediately after it had been blocked two times will cause the door window to close without the anti-entrapment feature for as long as you hold the switch.
Sliding sunroof
Important safety notes
Your vehicle may be equipped with a sliding sunroof or a panorama roof with power tilt/ sliding panel. In the following section, the
term "sliding sunroof" refers to both types of sliding sunroof.
damaged if water enters the vehicle interior.
Sliding sunroof
99
G WARNING When opening or closing the sliding sunroof, make sure that there is no danger of anyone being harmed by the opening/closing procedure.
The sliding sunroof is equipped with automatic operation and the anti-entrapment feature. If the movement of the sliding sunroof is blocked during the closing procedure, the sliding sunroof will stop and open slightly.
The sliding sunroof operates differently when the sliding sunroof switch is pressed and held. See the "Problems with the sliding sunroof" section for more details.
The opening/closing procedure of the sliding sunroof can be immediately halted by releasing the sliding sunroof switch or, if the sliding sunroof switch was moved past the resistance point and released, by moving the sliding sunroof switch in any direction.
G WARNING The sliding sunroof is made out of glass. In the event of an accident, the glass may shatter. This may result in an opening in the roof.
In a vehicle rollover, occupants not wearing their seat belts or not wearing them properly may be thrown out of the opening. Such an opening also presents a potential for injury for occupants wearing their seat belts properly, as entire body parts or portions of them may protrude from the passenger compartment.
i Resonance noises can occur in addition to the usual airflow noises when the sliding sunroof is open. They are caused by minor pressure fluctuations in the vehicle interior. Change the position of the sliding sunroof or open a side window slightly to reduce or eliminate these noises.
Operating the sliding sunroof
Opening and closing
i You can continue to operate the sliding sunroof after switching off the engine or removing the SmartKey from the ignition lock. This function remains active for five minutes or until you open a front door.
Overhead control panel : To raise
; To open
= To close/lower
! Only open the sliding sunroof if it is free of snow and ice. Otherwise, malfunctions may occur.
Do not allow anything to protrude from the sliding sunroof. Otherwise, the seals could be damaged.
! The weather can change abruptly. It could
start to rain or snow. Make sure that the sliding sunroof is closed when you leave the vehicle. The vehicle electronics can be
X Turn the SmartKey to position 1 or 2 in the
ignition lock.
X Press or pull the 3 switch in the
corresponding direction.
i If you press the 3 switch beyond the point of resistance, an automatic opening/ closing process is started in the corresponding direction. You can stop automatic operation by operating the switch again.
100 Sliding sunroof
The automatic raising feature is available only when the sliding sunroof is closed.
The automatic opening feature is available only when the sliding sunroof is not raised.
The sun protection cover automatically opens along with the sliding sunroof. You can open or close the sun protection cover manually when the sliding sunroof is raised or closed.
Resetting
Reset the sliding sunroof if it does not move smoothly.
X Turn the SmartKey to position 2 in the
ignition lock.
X Raise the sliding sunroof fully at the rear
(Y page 99).
X Keep the 3 switch pressed for another
second.
Operating the panorama roof with
power tilt/sliding panel
Opening and closing
Overhead control panel : To raise
; To open
= To close/lower
X Make sure that the sliding sunroof can be fully opened and closed again (Y page 99).
X If this is not the case, repeat the steps
The panorama roof with power tilt/sliding panel can only be operated when the roller sunblind is open.
above again.
! If the sliding sunroof still cannot be opened or closed fully after resetting, contact a qualified specialist workshop.
i If the front roller sunblind is closed, it
opens first when the panorama roof with power tilt/sliding panel is raised.
X Turn the SmartKey to position 1 or 2 in the
ignition lock.
X Push or pull the 3 switch in the
corresponding direction.
i If you press the 3 switch beyond the point of resistance, an automatic opening/ closing process is started in the corresponding direction. You can stop automatic operation by operating the switch again.
Operating the roller sunblinds for the
panorama roof with power tilt/sliding
panel
General notes
The roller sunblinds shield the vehicle interior from sunlight. The front roller sunblind can only be opened and closed when the
Sliding sunroof
101
panorama roof with power tilt/sliding panel is closed. The front and rear roller sunblinds can be operated individually.
corresponding direction. You can stop automatic operation by operating the switch again.
Operating the front roller sunblind
Operating the rear roller sunblind
G WARNING When opening or closing the front roller sunblind, make sure no one is in danger of being injured by the opening or closing procedure.
The front roller sunblind is equipped with automatic operation and the anti-entrapment feature. If the movement of the front roller sunblind is blocked during the closing procedure, the front roller sunblind will stop and retract slightly.
The opening or closing of the front roller sunblind can be immediately halted by releasing the roof panel switch or, if the roof panel switch was moved past the resistance point and released, by moving the roof panel switch in any direction.
Operating from the front
G WARNING When opening or closing the rear roller sunblind, make sure no one is in danger of being injured by the opening or closing procedure.
The rear roller sunblind is equipped with automatic operation and the anti-entrapment feature. If the movement of the rear roller sunblind is blocked during the closing procedure, the rear roller sunblind will stop and retract slightly.
The opening and closing of the rear roller sunblind can be immediately halted by pressing the sunblind switch again.
Overhead control panel : To open
; To open
= To close
X Turn the SmartKey to position 1 or 2 in the
ignition lock.
X Press or pull the 3 switch in the
corresponding direction.
i If you press the 3 switch beyond the point of resistance, an automatic opening/ closing process is started in the
Overhead control panel
X To open or close: press button :.
The rear roller sunblind opens or closes fully.
X To stop: press button : again.
i You must first open or close the rear roller sunblind fully before you can move it in the other direction.
Operating from the rear compartment
G WARNING When opening or closing the rear roller sunblind, make sure no one is in danger of
102 Sliding sunroof
being injured by the opening or closing procedure.
The rear roller sunblind is equipped with automatic operation and the anti-entrapment feature. If the movement of the rear roller sunblind is blocked during the closing procedure, the rear roller sunblind will stop and retract slightly.
The opening or closing of the rear roller sunblind can be immediately halted by releasing the sunblind switch or, if the sunblind switch was moved past the resistance point and released, by pressing or pulling the sunblind switch again.
Door control panel in rear
X To open/close manually: press or pull switch : to the point of resistance and hold it until the rear roller sunblind has reached the desired position.
X To open/close fully: press or pull
switch : beyond the point of resistance and release it.
i You can stop automatic operation by
operating the switch again.
Resetting the panorama roof with
power tilt/sliding panel or the front
roller sunblind
Reset the panorama roof with power tilt/ sliding panel or the front roller sunblind if the panorama roof with power tilt/sliding panel or the roller sunblinds do not move smoothly.
! Do not open the panorama roof with
power tilt/sliding panel until it has been
reset correctly. The panorama roof with power tilt/sliding panel can otherwise be locked in the open position.
X Turn the SmartKey to position 1 or 2 in the
ignition lock.
X Pull the3 switch repeatedly to the point
of resistance in the direction of arrow =(Y page 100) until the panorama roof with power tilt/sliding panel is fully closed.
X Keep the 3 switch pulled for an
additional second.
X Pull the 3 switch in the direction of
arrow =(Y page 101) repeatedly until the front roller sunblind is closed.
X Keep the 3 switch pulled for an
additional second.
X Make sure that the panorama roof with
power tilt/sliding panel (Y page 100) and the front roller sunblind (Y page 101) can be fully opened again.
X If this is not the case, repeat the steps
above again.
Resetting the rear sunblind
Door control panel in rear
X Turn the SmartKey to position 1 or 2 in the
ignition lock.
X Pull switch : repeatedly until the rear
roller sunblind is fully closed.
X Keep switch : pulled for an additional
second.
X Make sure that the rear roller sunblind can
be opened fully again (Y page 101).
X If this is not the case, repeat the steps
times will cause the sliding sunroof to close without the anti-entrapment feature for as long as you hold the switch.
Sliding sunroof
103
above again.
Problems with the sliding sunroof
Your vehicle may be equipped with a sliding sunroof or a panorama roof with power tilt/ sliding panel. In the following section, the term "sliding sunroof" refers to both types of sliding sunroof.
Problem: the sunroof cannot be closed
and you cannot see the cause.
G WARNING You could be severely or even fatally injured when closing the sliding sunroof with increased closing force or if the anti- entrapment feature is deactivated. Make sure that nobody can become trapped when closing the sliding sunroof.
If the sliding sunroof is obstructed during closing and reopens again slightly:
X Immediately after the sliding sunroof
blocks, pull the 3 switch in the overhead control panel down to the point of resistance and hold it until the sliding sunroof is closed. The sliding sunroof is closed with increased force.
If the sliding sunroof is obstructed again during closing and reopens again slightly:
X Immediately after the sliding sunroof
blocks, pull the 3 switch in the overhead control panel down to the point of resistance and hold it until the sliding sunroof is closed. The sliding sunroof is closed without the anti-entrapment feature.
G WARNING Pressing and holding the sliding sunroof switch to close the sliding sunroof immediately after it had been blocked two
! If the sliding sunroof still cannot be
opened or closed as a result of a malfunction, contact a qualified specialist workshop.
104
Useful information ............................ 106
Correcting the driver's seat posi- tion ..................................................... 106
Seats .................................................. 107
Steering wheel .................................. 114
Mirrors ............................................... 116
Memory function .............................. 118
105
106 Correcting the driver's seat position
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 Please read the information on qualified
specialist workshops (Y page 31).
Correcting the driver's seat position
Observe the safety guidelines on seat adjustment (Y page 107). X Make sure that seat = is adjusted
properly.
Electrical seat adjustment (Y page 108)
When adjusting the seat, make sure that:
Ryou are as far away from the driver's air
bag as possible.
Ryou are sitting in a normal upright
position.
Ryou can fasten the seat belt properly.
Ryou have moved the backrest to an
almost vertical position.
Ryou have set the seat cushion angle so that your thighs are gently supported.
Ryou can depress the pedals properly.
X Check whether the head restraint is
adjusted properly (Y page 110).
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.
Observe the safety guidelines on steering wheel adjustment (Y page 114). X Make sure that steering wheel : is
adjusted properly.
Adjusting the steering wheel electrically (Y page 114)
When adjusting the steering wheel, make sure that:
Ryou can hold the steering wheel with your
arms slightly bent.
Ryou can move your legs freely.
Ryou can see all the displays in the
instrument cluster clearly.
Observe the safety guidelines for seat belts (Y page 61).
X Check whether you have fastened seat
belt ; properly (Y page 63).
The seat belt should:
Rfit snugly across your body
Rbe routed across the middle of your
shoulder
Rbe routed in your pelvic area across the
hip joints
X Before starting off, adjust the rear-view
mirror and the exterior mirrors (Y page 116) in such a way that you have a good view of road and traffic conditions.
X Vehicles with a memory function: save the seat, steering wheel and exterior mirror settings (Y page 118).
Seats
Important safety notes
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:
Radjust the seat backrest until your arms are
slightly angled when holding the steering wheel.
Radjust 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.
Radjust the head restraint so that it is as
close to the head as possible and the center
Seats
107
of the head restraint supports the back of the head at eye level.
Rnever 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 The electrically adjustable seats 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.
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.
G WARNING For your protection, drive only with properly positioned head restraints.
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. This will reduce the potential for injury to the head and neck in the event of an accident or similar situation.
108 Seats
Do not drive the vehicle without the seat head restraints. Head restraints are intended to help reduce injuries during an accident.
! To avoid damage to the seats and the seat heating, observe the following information:
Rkeep liquids from spilling on the seats. If liquid is spilled on the seats, dry them as soon as possible.
Rif the seat covers are damp or wet, do not
switch on the seat heating. The seat heating should also not be used to dry the seats.
Adjusting the seats
: Head restraint height
Rclean the seat covers as recommended;
; Seat height
see the "Interior care" section.
= Seat cushion angle
Rdo not transport heavy loads on the
? Seat cushion length
seats. Do not place sharp objects on the seat cushions, e.g. knives, nails or tools. The seats should only be occupied by passengers, if possible.
Rwhen the seat heating is in operation, do
not cover the seats with insulating materials, e.g. blankets, coats, bags, seat covers, child seats or booster seats.
! Make sure that there are no objects in the footwell or behind the seats when resetting the seats. There is a risk that the seats and/or the objects could be damaged.
i The head restraints in the front seats are equipped with the NECK-PRO system. For this reason, it is not possible to remove the head restraints from the front seats.
For design reasons, the rear-compartment head restraints cannot be removed.
For more information, contact a qualified specialist workshop.
A Seat fore-and-aft adjustment
B Backrest angle
i If PRE-SAFE® has been activated, the
front-passenger seat and the electrically adjustable rear seats are moved into a more favorable position.
i You can store the seat settings using the
memory function (Y page 118).
i To ensure the largest possible range of
seat settings, certain seat adjustment functions will automatically activate other seat adjustment functions.
i Depending on the seat fore-and-aft
setting, the head restraint height is adjusted automatically.
Adjusting the rear seat electrically
You can only adjust the outer seats in the rear electrically.
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109
: Seat cushion angle
; Backrest angle
= Folding the head restraint up or back
? Head restraint angle
A Seat fore-and-aft adjustment
Adjusting the front-passenger seat
from the driver's seat
G WARNING When adjusting the front passenger seat, make sure the seat, if occupied, is as far from the front passenger front air bag as possible.
Otherwise, the passenger could be seriously or even fatally injured in the event of an accident or braking maneuver.
Make sure no one is caught or injured while the seat is being adjusted.
Even with the SmartKey or SmartKey with KEYLESS-GO removed from the starter switch or the SmartKey with KEYLESS-GO removed from the vehicle, the power seats can be operated. 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.
! Do not move the front-passenger seat fully forwards if there are objects in the parcel net in the front-passenger footwell. The objects could otherwise be damaged.
You can use the seat switches on the driver's side to adjust the front-passenger seat.
X To activate/deactivate: press button :.
If the indicator lamp in button : is lit, you can access the following functions for the front-passenger seat:
Rseat adjustment
Rseat heating/ventilation
Rmemory function
Adjusting the front-passenger seat
from the rear
G WARNING When adjusting the front passenger seat, make sure the seat, if occupied, is as far from the front passenger front air bag as possible.
Otherwise, the passenger could be seriously or even fatally injured in the event of an accident or braking maneuver.
Make sure no one is caught or injured while the seat is being adjusted.
Even with the SmartKey or SmartKey with KEYLESS-GO removed from the starter switch or the SmartKey with KEYLESS-GO removed from the vehicle, the power seats can be operated. 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.
! Do not move the front-passenger seat fully forwards if there are objects in the parcel net in the front-passenger footwell. The objects could otherwise be damaged.
110 Seats
You can use the override button to disable this function (Y page 71).
The button is located in the rear door on the front-passenger side.
Adjusting the NECK-PRO head
restraints
Adjusting
: To select the front-passenger seat or rear-
compartment seat
; Seat height
= Head restraint height
? Backrest angle
A Seat fore-and-aft adjustment
X To select the front-passenger seat:
press button :. The front-passenger seat is selected if the indicator lamp in the button lights up.
X Adjust the front-passenger seat with
buttons ;, =, ? and A.
X To select the rear-compartment seat:
press button :. The rear-compartment seat is selected again.
X Pull or push the bottom of NECK-PRO head
restraint :.
Resetting
The NECK-PRO head restraints are moved forwards in the event of a rear collision in the direction of travel and have to be reset afterwards (Y page 60).
Adjusting NECK-PRO luxury head
restraints
Adjusting
G WARNING When folding back the side cushions, do not hold the area between the side cushion and the cushion holder. There is a danger of becoming trapped.
Adjusting the head restraints
Adjusting the head restraint height
electrically
X To adjust the head restraint height: slide
the switch for head restraint adjustment (Y page 108) up or down in the direction of the arrow.
You can adjust side bolsters : of the NECK- PRO luxury head restraints individually.
X To adjust the side bolsters of the head restraint: push or pull side bolsters : into the desired position.
X To move forwards and backwards: pull
or push the NECK-PRO luxury head restraints in the direction of arrow ;.
Resetting
The NECK-PRO luxury head restraints are moved forwards in the event of a rear collision in the direction of travel and have to be reset afterwards (Y page 60).
Rear seat head restraints
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 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.
Folding back the rear seat head restraints
from the front
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111
X Make sure that the SmartKey is in position
1 or 2 in the ignition lock.
X Press button :.
Folding the rear seat head restraints into
position electrically (outer head
restraints) X Press and hold button : until the head
restraints have folded into position.
i If a rear-seat passenger inserts the seat belt into the buckle, the head restraint on the corresponding outer seat folds up automatically.
Folding the rear seat head restraints into
position manually
Only the center rear seat head restraint can be folded into position manually.
X Pull the head restraint up until it engages.
Adjusting the luxury head restraints in the
rear compartment
G WARNING When folding back the side cushions, never reach between the side cushion and the mounting post. You could otherwise be trapped.
112 Seats
X To select a rear-compartment seat: push or pull rocker switch : or C forwards or backwards. The indicator lamp in the selected button lights up briefly.
X To adjust the side bolsters of the seat backrest: push or pull rocker switch B forwards or backwards.
X To adjust the backrest contour: push or
pull rocker switch A forwards or backwards.
X To adjust the position of the backrest
contour: push or pull rocker switch ? forwards or backwards.
X To activate/deactivate the gentle
massage function: push or pull rocker switch = forwards or backwards.
X To activate/deactivate the strong
massage function: push or pull rocker switch ; forwards or backwards.
Adjusting the active multicontour
seat
You can adjust the active multicontour seat using COMAND (Y page 276).
You can adjust side bolsters : of the luxury head restraint individually.
X To adjust the side bolsters of the head restraint: push or pull side bolsters : into the desired position.
X To adjust the head restraint angle: hold
the head restraint by the upper edge and slide it forwards or back in the direction of arrow ;.
Adjusting the multicontour seat
You can adjust the multicontour seat using COMAND (Y page 274).
Adjusting the multicontour seat in the
i If PRE-SAFE® has been activated, the air
rear compartment
You can use the buttons on the center console to adjust the multicontour seats for the outer seats in the rear compartment.
pressure in the air chambers of the multicontour seat or active multicontour seat is increased. These air chambers are located in the side bolsters of the seat cushion and backrest.
Adjusting the lumbar support
You can adjust the lumbar support using COMAND (Y page 274).
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113
Switching the seat heating on/off
Problems with the seat heating
Switching on/off
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 three red indicator lamps in the button indicate the heating level you have selected.
i If the battery voltage is too low, the seat
heating may switch off.
The seat heating has switched itself off prematurely. 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
Switching on/off
The three blue indicator lamps in the buttons indicate the ventilation level you have selected.
i If the battery voltage is too low, the seat
ventilation may switch off.
