2014 MERCEDES-BENZ CL-Class ignition

Problem Possible causes/consequences and
M Solutions
The engine cannot be
started using the
SmartKey. The on-board voltage is too low.
X
Remove the SmartKey and re-insert it into the ignition lock.
X Start the engine within 30 seconds of inserting the SmartKey in
the ignition lock.
X Repeatifn ecessary.
If the engine does not start after several attempts:
X Check the starter battery and charge it if necessary .
or
X Jump-start the vehicle .
or
X Consult a qualified specialist workshop. The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle. Ad
oor is open. Therefore, the SmartKey cannot be detected as
easily.
X Close the door and try to start the vehicle again. There is interference from a powerful source of radio waves.
X
Start your vehicle with the SmartKey in the ignition lock. Doors
Important safety notes
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. Achild's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure 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 compartmentu nless they are
firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of:
R strong braking maneuvers
R sudden changes of direction
R an accident Doors
81Opening and closing Z

Unlocking and opening doors from
the inside
You can open a door from inside the vehicle
even if it has been locked.
Open the door only when the traffic
conditions permit.
If the vehicle has been opened with the
SmartKey or KEYLESS-GO key, opening from
inside triggers the anti-theft alarm system.
Switch off the alarm (Y page 70).X
Pull door handle ;.
If the door is locked, locking knob :pops
up. The door is unlocked and can be
opened.
i When a door is opened, the side window
on that side opens slightly. When the door
is closed, the side window closes again.
! The side windows will not open/close if
the battery is discharged or if the side
windows have iced up. It will then not be
possible to close the door. Do not attempt
to force the door closed. You could
otherwise damage the door or the side
window. Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle
from the inside. This feature may be useful if,
for example, you wish to unlock the front-
passenger door from the inside or lock the
vehicle before you pull away. The locking or unlocking buttons of the
central locking do not lock or unlock the fuel
filler flap.
X
To lock: press button ;.
The vehicle locks when all front-passenger
doors are closed.
X To unlock: press button :.
You can open a locked door from inside the
vehicle. Open the door only when the traffic
conditions permit.
If the vehicle has been locked with the central
locking button:
R and the SmartKey is restored to the factory
settings, the entire vehicle is unlocked if a
door is opened from inside the vehicle.
R and the SmartKey is set to individual
settings, only the door that is opened from
inside the vehicle is unlocked.
If the vehicle has been locked centrally with
the SmartKey or with KEYLESS-GO, it does
not unlock if you use the unlocking button of
the central locking. Automatic locking feature
The vehicle locks automatically when the
ignition is switched on and the wheels of the
vehicle are moving at a speed of more than
9 mph (15 km/h). You may therefore lock
yourself out if the vehicle is being pushed,
towed, or located on a test rig.
You can switch off the automatic locking
function via COMAND . 82
DoorsOpening and closing

X
Close the front-passenger door.
X Make sure that the doors and the trunk are
locked.
i If you loc kthe vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not activated. Trunk
Important safety notes
Do not leave the SmartKey in the trunk. You
could otherwise lock yourself out. 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. Achild's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure 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 compartmentort runk unless they
are firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an 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)
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 239).
To open the trunk lid completely, a minimum
clearance of 5.90 ft (1.80 m) above the
ground is necessary.
The trunk lid can be:
R opened and closed manually from outside
R opened and closed automatically from
outside
R opened and closed automatically from
inside
R locked separately
R unlocked using the mechanical key
R opened using the emergency release
button inside the trunk 84
TrunkOpening and closing

Side windows
Important safety notes
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. Achild's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure 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 compartmentu nless they are
firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of:
R strong braking maneuvers
R sudden changes of direction
R an accident G
WARNING
Whe nopening or closing the door windows,
make sure that there is no danger of anyone
being harmed by the opening/closing
procedure.
The fron tdoor windows are equipped with
automatic operation and the anti-entrapment
feature. If in automatic mode a front 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 front 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.
The closing of the rear side windows can be
immediately halted by releasing the 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. 88
Side windowsOpening and closing

Opening and closing the side
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
the front-passenger door as well as on the
doors in the rear compartment on the left and
right-hand sides for the respective side
window.
i It is not possible to operate the door
windows from the rear compartment when
the override feature is activated for the
door windows.
X Turn the SmartKey to position 1in the
ignition lock.
X To open: press the corresponding switch.
X To close: pull the corresponding switch.
i You can start automatic operation when
opening and closing the fron tdoor windows
and when opening the rear door windows.
To do so, briefly press or pull the switch to
just beyond the point of resistance in the
relevant direction .You can stop automatic
operation by pressing or pulling again.
i You can continue to operate the side
windows after you switch off the engine.
This function remains active for five
minutes or until one of the doors is opened. Convenience opening
You can ventilate the vehicle before you start
driving. To do this, you can use the SmartKey
to simultaneously:
R open the side windows
R open the sliding sunroof
R switch on the seat ventilation of 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 Unlock the vehicle by pressing the %
button.
X Press and hold the %button until the
side windows and the sliding sunroof are in
the desired position.
X To interrupt the convenience opening:
release the %button. Convenience closing feature
General notes When you lock the vehicle, you can
simultaneously:
R
close the side windows
R close the sliding sunroof G
WARNING
When closing the door windows and the
sliding sunroof, 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 Side windows
89Opening and closing
Z

Problems with the side windows
Problem: aside window cannot be closed
because an object is obstructing the side
window.
X Remove the object(s).
X Close the side window.
Problem :aside 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.
If a side window is obstructed during closing
and reopens again slightly:
X Immediately afte rthe window blocks, pull
the corresponding switch again until the
side window has closed.
The side window is closed with increased
force.
If a side window is obstructed again during
closing and reopens again slightly:
X Immediately after the window blocks, pull
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
window immediately after it had been blocked
two times will cause the window to close
without the anti-entrapment feature for as
long as you hold the switch. Sliding sunroof
Important safety notes
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. Achild's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure 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 compartmentu nless they are
firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of:
R strong braking maneuvers
R sudden changes of direction
R an accident Sliding sunroof
91Opening and closing Z

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 sunroo fswitch in any direction. G
WARNING
The sliding sunroof is made out of glass. In the
even tofana ccident, the glass may shatter.
This may result in an opening in the roof.
In a vehicle rollover, occupants not wearing
thei rseat 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.
! 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.
! If the sliding sunroo fcannot be opened or
closed due to a malfunction, contact a
qualified specialist workshop, e.g .an
authorized Mercedes-Ben zCenter.
! Do not forget that the weather can
change abruptly. Make certain that the sliding sunroof is closed when you leave the
vehicle. The vehicle electronics can be
damaged if water enters the vehicle
interior.
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.
This function remains active for five
minutes or until one of the front doors is
opened. Overhead control panel
:
To raise
; To open
= To close
X Turn the SmartKey to position 2in the
ignition lock.
X Push or pull the 3switch in the
corresponding direction.
i If you press the 3switch beyond the
point of resistance, an automatic opening/
closing process is started in the 92
Sliding sunroofOpening and closing

corresponding direction. You can stop
automatic operation by pressing again.
Automati craising is only available when the
sliding sunroo fis closed.
Automatic opening is only available when
the sliding sunroof is not raised.
You can open or close the sun protection
cover by hand when the sliding sunroof is
raised or closed.
Resetting Reset the sliding sunroof if it does not open
smoothly.
! If the sliding sunroof cannot be closed
fully or reset, consult a qualified specialist
workshop.
X Turn the SmartKey to position 2in the
ignition lock.
X Raise the sliding sunroof fully at the rear
(Y page 92).
X Keep the 3switch pressed for another
second.
X Make sure that the sliding sunroof can be
opened or closed fully againw hen operated
automatically (Y page 92).
X If the sliding sunroof can be raised fully at
the rear, it has been reset correctly. If this
is not the case, repeat the steps above
again. Problems with the 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-
entrapmentf eature 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 3switch 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 then reopens slightly:
X Immediately after the sliding sunroof
blocks, pull the 3switch 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
times will cause the sliding sunroof to close
without the anti-entrapment feature for as
long as you hold the switch. Sliding sunroof
93Opening and closing Z