2015 MERCEDES-BENZ SLK-Class trunk

Useful information
i This Operator's manual describes all
models and all standard and optional equip- ment 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 special-
ist workshops (Y page 26). SmartKey
Important safety notes
G
WARNING
If children are left unsupervised in the vehicle, they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shift the automatic transmission out of park
position P or shift manual transmission into
neutral.
R start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children. G
WARNING
If you attach heavy or large objects to the
SmartKey, the SmartKey could be uninten-
tionally turned in the ignition lock. This could cause the engine to be switched off. There is a
risk of an accident.
Do not attach any heavy or large objects to the
SmartKey. Remove any bulky key rings before
inserting the SmartKey into the ignition lock.
! Keep the SmartKey away from strong
magnetic fields. Otherwise, the remote
control function could be affected.
Strong magnetic fields can occur in the
vicinity of powerful electrical installations.
Do not keep the SmartKey: R with electronic devices, e.g. a mobile
phone or another SmartKey
R with metallic objects, e.g. coins or metal
foil
R inside metallic objects, e.g. a metal case
This can affect the functionality of the
SmartKey. SmartKey functions
0043
0037 To lock the vehicle
0044 0054 To unlock the trunk lid
0087 0036 To unlock the vehicle
X To unlock centrally: press the0036but-
ton.
If you do not open the vehicle within
approximately 40 seconds of unlocking:
R the vehicle is locked again.
R the theft deterrent locking system is
armed again.
X To lock centrally: press the0037button. 72
SmartKeyOpening and closing

The SmartKey centrally locks/unlocks:
R the doors
R the trunk lid
R the stowage compartment in the center
console
R the fuel filler flap
The turn signals flash once when unlocking
and three times when locking.
You can also set an audible signal to confirm that the vehicle has been locked. The audible
signal can be activated and deactivated using the on-board computer (Y page 207).
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 206). KEYLESS-GO
General notes Bear in mind that the engine can be started by
any of the vehicle occupants if there is a KEY- LESS-GO key in the vehicle.
Locking/unlocking centrally You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you only need carry
the SmartKey with you. You can combine the functions of KEYLESS-GO with those of a con-
ventional SmartKey. Unlock the vehicle by
using KEYLESS-GO, for instance, and lock it
using the 0037button on the SmartKey.
When locking or unlocking with KEYLESS-GO,
the distance between the key and the corre-
sponding door handle must not be greater
than 3 ft (1 m).
A check which periodically establishes a radio
connection between the vehicle and the
SmartKey determines whether a valid Smart- Key is in the vehicle. This occurs, for example:
R when the external door handles are
touched
R when starting the engine
R while the vehicle is in motion X
To unlock the vehicle: touch the inner
surface of the door handle.
X To lock the vehicle: touch sensor sur-
face 0043.
X Convenience closing feature: touch
recessed sensor surface 0044for an exten-
ded period.
Further information on the convenience
closing feature (Y page 85).
X To unlock the trunk lid: pull the handle on
the trunk lid.
The vehicle only unlocks the trunk lid. Changing the settings of the locking
system
You can change the settings of the locking
system. This means only the driver's door, the
lockable stowage compartments in the vehi-
cle interior and the fuel filler flap are unlocked when the vehicle is unlocked. This is useful if
you frequently travel on your own.
X To change the setting: press and hold
down the 0036and0037 buttons simulta-
neously for approximately six seconds until the battery check lamp flashes twice
(Y page 75).
i If the setting of the locking system is
changed within the signal range of the vehi- cle, pressing the 0037or0036 button:
R locks or
R unlocks the vehicle SmartKey
73Opening and closing Z

The SmartKey now functions as follows:
X To unlock the driver's door: press the
0036 button once.
X To unlock centrally: press the0036but-
ton twice.
X To lock centrally: press the0037button.
The KEYLESS-GO function is changed as fol-
lows:
X To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.
X To unlock centrally: touch the inner sur-
face of the front-passenger door handle.
X To lock centrally: touch the outer sensor
surface on one of the door handles.
X To restore the factory settings: press
and hold down the 0036and0037 buttons
simultaneously for approximately six sec-
onds until the battery check lamp flashes
twice (Y page 75). Mechanical key
General notes If the vehicle can no longer be locked or
unlocked with the SmartKey, use the
mechanical key.
If you use the mechanical key to unlock and
open the driver's door or the trunk lid, the
anti-theft alarm system will be triggered
(Y page 69).
There are several ways to turn off the alarm:
X To turn the alarm off with the SmartKey:
press the 0036or0037 button on the
SmartKey.
or
X Insert the SmartKey into the ignition lock.
or
X To deactivate the alarm with KEYLESS-
GO: press the Start/Stop button in the igni-
tion lock. The SmartKey must be in the
vehicle. or
X Lock or unlock the vehicle using KEYLESS-
GO. The SmartKey must be outside the
vehicle.
If you unlock the vehicle using the mechanical key, the fuel filler flap will not be unlocked
automatically.
X To unlock the fuel filler flap: insert the
SmartKey into the ignition lock.
Removing the mechanical key X
Push release catch 0043in the direction of
the arrow and at the same time remove
mechanical key 0044from the SmartKey.
For further information about: R unlocking the driver's door (Y page 80)
R unlocking the trunk (Y page 82)
R locking the vehicle (Y page 80)
Inserting the mechanical key X
Push mechanical key 0044completely into
the SmartKey until it engages and release
catch 0043is back in its basic position. SmartKey battery
Important safety notes G
WARNING
Batteries contain toxic and corrosive substan- ces. If batteries are swallowed, it can result in 74
SmartKeyOpening and closing

You could therefore lock yourself out if:
R the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is on a roller dynamometer.
You can also switch the automatic locking
function on and off using the on-board com-
puter (Y page 207). Unlocking the driver's door (mechan-
ical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered (Y page 69).
X Take the mechanical key out of the Smart-
Key (Y page 74).
X Insert the mechanical key into the lock of
the driver's door as far as it will go. X
Turn the mechanical key counter-clockwise
as far as it will go to position 0047.
The door is unlocked.
X Turn the mechanical key back and remove
it.
X Insert mechanical key into the SmartKey
(Y page 74). Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey, use the mechanical key. X
Open the driver's door.
X Close the front-passenger door and the
trunk lid.
X Press the locking button (Y page 79).
X Check whether the locking knob on the
front-passenger door is still visible. Press
the locking knob down by hand, if neces-
sary.
X Close the driver's door.
X Take the mechanical key out of the Smart-
Key (Y page 74).
X Insert the mechanical key into the lock of
the driver's door as far as it will go. 0047
To lock
X Turn the mechanical key clockwise as far as
it will go to position 0047.
X Turn the mechanical key back and remove
it.
X Make sure that the doors and the trunk lid
are locked.
X Insert mechanical key into the SmartKey
(Y page 74).
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
G
WARNING
If objects, luggage or loads are not secured or not secured sufficiently, they could slip, tip 80
TrunkOpening and closing

over or be flung around and thereby hit vehicle
occupants. There is a risk of injury, particu-
larly in the event of sudden braking or a sud-
den change in direction.
Always store objects so that they cannot be
flung around. Secure objects, luggage or
loads against slipping or tipping before the
journey.
! The trunk lid swings upwards when
opened. Therefore, make sure that there is sufficient clearance above the trunk lid.
! Only close the trunk once the roof is low-
ered completely. Otherwise, you could
damage the roof.
If you close the trunk lid before the roof is
lowered completely, the loading aid switch lights up and a warning tone sounds.
i Opening dimensions of the trunk lid
(Y page 353).
Do not leave the SmartKey in the trunk. You
could otherwise lock yourself out.
The trunk lid can be:
R opened/closed from outside
R opened automatically from outside
R locked separately
R unlocked with the mechanical key
R opened with the emergency release button Trunk lid reversing feature
The trunk lid is equipped with an automatic
reversing feature. It reacts if a solid object
obstructs or restricts the trunk lid during the
closing procedure. The trunk lid opens again
automatically. The automatic reversing func-
tion is only an aid and is not a substitute for
your attentiveness to the trunk lid while it is
closing. G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small fin-
gers
R over the last 1/3 in(8 mm) of the closing
movement
This means that the reversing feature cannot
prevent someone being trapped in these sit-
uations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
R press the 0054button on the SmartKey, or
R press the remote operating switch on the
driver's door, or
R press the closing or locking button on the
trunk lid, or
R pull on the trunk lid handle Opening/closing from outside
Opening X
Press the 0036button on the SmartKey.
X Pull handle 0043.
X Raise the trunk lid. Trunk
81Opening and closing Z

Closing
X
Pull the trunk lid down using recess 0043.
X Lock the vehicle if necessary with the 0037
button on the SmartKey or with KEYLESS-
GO.
i If a KEYLESS-GO key is detected in the
trunk, the trunk lid cannot be locked and
will open again. Opening automatically from outside
General notes !
The trunk lid swings upwards when
opened. Therefore, make sure that there is sufficient clearance above the trunk lid.
i Opening dimensions of the trunk lid
(Y page 353).
Opening You can open the trunk lid automatically
using the handle in the trunk lid.
X
If the trunk lid is unlocked, pull the trunk lid
handle and let it go again immediately.
Vehicles with the trunk lid remote closing fea-
ture: the trunk lid can be also be opened
automatically using the SmartKey.
X Press and hold the 0054button on the
SmartKey until the trunk lid opens. 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 Smart-
Key (Y page 74). 0047
Basic position
0048 To lock
X Insert the mechanical key into the trunk lid
lock as far as it will go.
X Turn the mechanical key clockwise from
position 0047to position 0048.
X Remove the mechanical key.
X Insert mechanical key into the SmartKey
(Y page 74). 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 mechani-
cal key.
If you use the mechanical key to unlock and
open the trunk lid, the anti-theft alarm system will be triggered (Y page 69).
X Take the mechanical key out of the Smart-
Key (Y page 74).
X Insert the mechanical key into the trunk lid
lock as far as it will go. 82
TrunkOpening and closing

0047
Basic position
0048 To unlock
X Turn the mechanical key counter-clockwise
as far as it will go from position 0047to posi-
tion 0048.
X Pull the trunk lid handle.
The trunk is unlocked.
X Turn the mechanical key back to position
0047 and remove it.
X Insert mechanical key into the SmartKey
(Y page 74).
i When you lock the vehicle (Y
page 80),
the trunk is also locked. Trunk emergency release
You can unlock the trunk lid from the inside
with the emergency release button. X
Press emergency release button 0043briefly.
The trunk lid unlocks and opens.
The trunk lid can be unlocked with the trunk
lid emergency release when the vehicle is
stationary or while driving. The trunk lid emergency release does not
unlock the trunk lid if the battery is discon-
nected or discharged.
Trunk lid emergency release light:
R emergency release button 0043flashes for
30 minutes after the trunk lid is opened
R emergency release button 0043flashes for
60 minutes after the trunk lid is closed Side windows
Important safety notes
G
WARNING
While opening the side windows, body parts
could become trapped between the side win- dow and the door frame as the side window
moves. There is a risk of injury.
Make sure that nobody touches the side win-
dow during the opening procedure. If some-
body becomes trapped, release the switch or pull the switch to close the side window again. G
WARNING
While closing the side windows, body parts in the closing area could become trapped. There is a risk of injury.
When closing make sure that no parts of the
body are in the closing area. If somebody
becomes trapped, release the switch or press
the switch to open the side window again. G
WARNING
If children operate the side windows they
could become trapped, particularly if they are left unsupervised. There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle. Side window reversing feature
The front side windows are equipped with an automatic reversing feature. If a solid object
blocks or restricts one of the front side win- Side windows
83Opening and closing Z

X
To open all side windows: press
switch 0043to the point of resistance.
X To open all side windows fully: press
switch 0043beyond the point of resistance.
All side windows open simultaneously.
i If, after opening the windows, you then
close a side window using the switch on the door control panel, the other side windows
will remain open. To close the other side
windows, you must pull the switch on the
center console and hold it. The front side
window will close first, then the rear side
windows.
X To close all side windows: pull switch0043.
The rear side windows close after the front
side windows.
X Make sure that all the side windows are
fully closed.
i When the roof is open, only the two front
side windows can be operated using the
switch on the center console.
Using the SmartKey G
WARNING
When using the convenience closing feature,
parts of the body could be trapped in the clos- ing area when a side window is being closed. There is a risk of injury.
Observe the complete closing procedure
when the convenience closing feature is oper-
ating. Make sure that no body parts are in
close proximity during the closing procedure.
If someone is trapped: X Release the 0037button immediately.
X Press and hold the 0036button until the
side windows open again.
You can use the SmartKey to open or close all
side windows simultaneously.
X Close the roof (Y page 88).
X Open the trunk partition (Y page 89).
X Point the tip of the SmartKey at the driver's
door handle. X
To open all side windows: press the0036
button on the SmartKey until the side win-
dows are fully opened.
X To interrupt the opening procedure:
release the 0036button.
X To close all side windows: press the
0037 button on the SmartKey until the side
windows are fully closed.
X To interrupt the closing procedure:
release the 0037button.
Convenience closing with KEYLESS-GO G
WARNING
When using the convenience closing feature,
parts of the body could be trapped in the clos- ing area when a side window is being closed. There is a risk of injury.
Observe the complete closing procedure
when the convenience closing feature is oper-
ating. Make sure that no body parts are in
close proximity during the closing procedure.
If someone is trapped: X Release the recessed sensor surface on the
door handle immediately.
X Pull the door handle immediately and hold
it until the side windows open again.
With KEYLESS-GO you can close all side win-
dows simultaneously. The KEYLESS-GO key
must be outside the vehicle. All the doors
must be closed. Side windows
85Opening and closing Z