sensor MERCEDES-BENZ SL ROADSTER 2016 Owner's Manual

The key centrally locks/unlocks:
R the doors
R the boot lid
R the glove compartment
R the stowage compartment under the armrest
R the stowage compartment in the rear com-
partment
R the fuel filler flap
When unlocking, the turn signals flash once.
When locking, they flash three times.
You can also set an audible signal to confirm
that the vehicle has been locked. The audible
signal can be activated or deactivated using the
on-board computer (Y page 211).
When it is dark, the surround lighting also comes
on if it is activated in the on-board computer
(Y page 210). 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 (Y page 134).
Locking and unlocking centrally You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you need to carry the
key with you. You can combine the KEYLESS-GO
functions with the functions of a conventional
key. Unlock the vehicle by using KEYLESS-GO,
for instance, and lock it using the &button
on the key.
The driver's door and the door at which the han- dle is used must both be closed. The key must beoutside the vehicle. When locking or unlocking
with KEYLESS-GO, the distance between the keyand the corresponding door handle must not be
greater than 1 m.
A check which periodically establishes a radio
connection between the vehicle and the key
determines whether a valid key is in the vehicle. This occurs, for example:
R when starting the engine
R whilst driving
R when using HANDS-FREE ACCESS
R when the external door handles are touched X
To unlock the vehicle: touch the inner sur-
face of the door handle.
X To lock the vehicle: touch sensor surface :
or ;.
Make sure that you do not touch the inner
surface of the door handle.
X Convenience closing feature: touch
recessed sensor surface ;for an extended
period.
For further information on the convenience
closing feature (Y page 91).
Deactivating and activating If you do not intend to use a key for an extended
period of time, you can deactivate the KEYLESS-
GO function of the key. The key will then use very
little power, thereby conserving battery power.
For the purposes of activation or deactivation,
the vehicle does not have to be nearby.
X To deactivate: press the&button on the
key twice in rapid succession.
The battery check lamp (Y page 80) of the
key flashes twice briefly and lights up once,
then KEYLESS-GO is deactivated.
X To activate: press any button on the key.
or
X Insert the key into the ignition lock.
KEYLESS-GO and all of its associated features
are available again. Changing the settings of the locking
system
You can change the settings of the locking sys-
tem. This means that only the driver's door, the
lockable stowage compartment in the vehicle
interior and the fuel filler flap are unlocked when 78
KeyOpening and closing

the vehicle is unlocked. This is useful if you fre-
quently travel alone.
X To change the setting: press and hold down
the % and& buttons simultaneously
for about six seconds until the battery indica- tor lamp flashes twice (Y page 80).
If the setting of the locking system is changed
within the signal range of the vehicle, pressing
the & or% button:
R locks or
R unlocks the vehicle
The key now functions as follows:
X To unlock: press the%button once.
X To unlock centrally: press the%button
twice.
X To lock centrally: press the&button.
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 surface
of the driver or 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 %and& buttons simul-
taneously for approximately six seconds until
the battery check lamp flashes twice
(Y page 80). Emergency key element
General notes If the vehicle can no longer be locked or
unlocked with the key or with KEYLESS-GO, use the emergency key element.
If you use the emergency key element to unlock
and open the driver's door or the boot lid, the
anti-theft alarm system will be triggered. Switch
off the alarm (Y page 74). Removing the emergency key element X
Push release catch :in the direction of the
arrow and, at the same time, remove emer-
gency key element ;from the key.
Further information about: R Unlocking the driver's door (Y page 84)
R Unlocking the boot (Y page 89)
R Locking the vehicle (Y page 84)
Inserting the emergency key element X
Push emergency key element ;completely
into the key until it engages and release
catch :is back in its basic position. Battery of the key
Important safety notes G
WARNING
Batteries contain toxic and corrosive substan- ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatal injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention immediately. H
Environmental note Batteries contain pollutants.
It is illegal to dispose of them
with the household rubbish.
They must be collected sep-
arately and disposed of in an Key
79Opening and closing
Z

Problem
Possible causes/consequences and
M
MSolutions The engine can no longer
be started using the key. The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary (Y page 295).
or X Jump-start the vehicle (Y page 296).
or X Consult a qualified specialist workshop. The engine cannot be
started using KEYLESS-
GO. The key is in the
vehicle. The vehicle is locked.
X Unlock the vehicle and try to start the vehicle again. The key battery is discharged or nearly discharged.
X Check the key battery (Y page 80) and replace if necessary
(Y page 80).
If this does not work: X Start your vehicle with the key in the ignition lock. There is interference from a powerful source of radio waves.
X Start your vehicle with the key in the ignition lock. You have lost a key. X
Have the key deactivated at a qualified specialist workshop.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the emer-
gency key element. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. Doors
Important safety notes
United Kingdom only: G
WARNING
When the double locks are activated, the
doors can no longer be opened from the
inside. People in the vehicle can no longer get out, e.g. in hazardous situations. There is a
risk of injury.
Therefore, do not leave any people unsuper-
vised in the vehicle, particularly children, eld-
erly people or people in need of special assis-
tance. Do not activate the double lock when
people are in the vehicle. If the vehicle has been locked from the outside,
the double lock function is activated as stand-
ard. It is then not possible to open the doors
from inside the vehicle. You can deactivate the
double lock function by deactivating the interior
motion sensor (Y page 76). The doors can then
be opened from the inside after the vehicle has
been locked from the outside. The anti-theft
alarm system is triggered if the door is opened
from the inside. Switch off the alarm
(Y page 74).
All countries: 82
DoorsOpening and closing

G
WARNING
If children are left unsupervised in the vehicle, they can:
R open doors and endanger other persons or
road users
R climb out and be injured by the traffic
R operate vehicle equipment and, for exam-
ple, trap themselves.
Children could also set the vehicle in motion, for example by:
R releasing the parking brake
R shifting the automatic transmission out of
park position P
R starting the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the key
with you and lock the vehicle. Never leave
children unattended in the vehicle. Always
keep the key out of reach of children. Unlocking and opening the doors
from the inside
! 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 to close. You could otherwise damage
the door or the side window.
For all countries except the United Kingdom:
you can open a door from inside the vehicle even if it has been locked.
If the vehicle has previously been locked from
the outside, opening a door from the inside will
trigger the anti-theft alarm system. Switch off
the alarm (Y page 74).
Only for the United Kingdom: if the vehicle
has been locked with the key from the outside,
the double lock function is activated as stand-
ard. It is then not possible to open the doors
from inside the vehicle. You can deactivate the
double lock function by deactivating the interior motion sensor (Y page 75). The doors can then
be opened from the inside after the vehicle has
been locked from the outside. The anti-theft
alarm system is triggered if the door is opened from the inside. Switch off the alarm
(Y
page 74). X
Pull door handle ;.
If the door is locked, locking knob :pops up.
The door is unlocked and can be opened.
When a door is opened, the side window on that
side opens slightly. When the door is closed, the
side window is raised again. Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle from
the inside. For example, you can unlock the
front-passenger door from the inside or lock the
vehicle before you pull away. X
To unlock: press button :.
X To lock: press button ;.
If the front-passenger door is closed, the vehi-
cle locks.
The central locking button does not lock or
unlock the fuel filler flap or the stowage com-
partments, such as the glove compartment.
You cannot unlock the vehicle centrally from the
inside if the vehicle has been locked with the key or KEYLESS-GO. Doors
83Opening and closing Z

For all countries except the United Kingdom:
you can open a door from inside the vehicle evenif it has been locked.
United Kingdom only: you can only open a
door from inside the vehicle if the double-lock
function has been deactivated. You can deacti-
vate the double lock function by deactivating the
interior motion sensor (Y page 75).
When a locked door is opened from inside the
vehicle, the previous unlocking process will be
observed if the vehicle has been:
R locked with the locking button for the central
locking or
R locked automatically
The vehicle will be fully unlocked if it had previ-
ously been fully unlocked. Only the door which
has been opened from the inside is unlocked if
only the driver's door had been previously
unlocked. Automatic locking feature
X
To deactivate: press and hold button :for
about five seconds until a tone sounds.
X To activate: press and hold button ;for
about five seconds until a tone sounds.
If you press one of the two buttons and do not
hear a tone, the relevant setting has already
been selected.
The vehicle is locked automatically when the
ignition is switched on and the wheels are turn-
ing.
You could therefore be locked out if:
R the vehicle is being pushed
R the vehicle is being towed
R the vehicle is being tested on a dynamometer You can also activate and deactivate the auto-
matic locking function using the on-board com-
puter (Y page 211). Power closing
Power closing pulls the doors and boot lid into
their locks automatically even if they are only
partly closed. X Power closing feature (doors): push the
door past the first detent position into the
lock.
Power closing will pull the door fully closed.
X To power close the boot lid: lightly push the
boot lid closed.
The power closing function pulls the boot lid
closed. Unlocking/locking the driver's door
using the emergency key element
i In order to lock all of the vehicle's locks,
begin by pressing the button for locking the
vehicle from the inside while the driver's door
is open. Then proceed to unlock the driver's
door using the emergency key element. X
To unlock: turn the emergency key element
anti-clockwise as far as it will go to position
1.
X To lock: turn the emergency key element
clockwise as far as it will go to position 1.
Right-hand-drive vehicle: turn the emergency
key element in the opposite direction in both
cases.
If you use the emergency key element to unlock
and open the driver's door, the anti-theft alarm
system will be triggered. Switch off the alarm
(Y page 74). 84
DoorsOpening and closing

If a key with KEYLESS-GO is detected in the
boot, the boot lid opens again after it is closed.
It does not lock. HANDS-FREE ACCESS
Important safety notes G
WARNING
The vehicle exhaust system can become very
hot. If you use HANDS-FREE ACCESS, you
could burn yourself by touching the exhaust
system. There is a risk of injury. Always
ensure that you only make a leg movement
within the detection range of sensors.
! If the key is within the rear detection range
of KEYLESS-GO, the following situations, for
example, could lead to the boot lid opening
unintentionally:
R using a car wash
R using a high-pressure cleaner
Make sure that the key is at least 3 m away
from the vehicle.
General notes With KEYLESS-GO and HANDS-FREE ACCESS,
you can open or close the boot lid or stop the
procedure without using your hands. This is use-
ful if you have your hands full. To do this, make
a kicking movement under the bumper with your
foot.
Observe the following points:
R Carry your KEYLESS-GO key about your per-
son. The KEYLESS-GO key must be in the rear detection range of the vehicle.
R When making the kicking movement, make
sure that you are standing firmly on the
ground and that there is sufficient clearance
to the rear of the vehicle. You could otherwise lose your balance, e.g. on ice. R
Always ensure that you only make a kicking
movement within the detection range of sen-
sors :.
R Stand at least 30 cm away from the rear area
while doing so.
R Do not come into contact with the bumper
while making the kicking movement. Other-
wise, the sensors may not function correctly.
R HANDS-FREE ACCESS does not function
when the engine is started.
R Dirt caused by road salt around sensors :
may restrict functionality.
R Using HANDS-FREE ACCESS with a pros-
thetic leg may restrict functionality.
R If a KEYLESS-GO key is within the rear detec-
tion range of KEYLESS-GO, HANDS-FREE
ACCESS could be triggered. The boot lid could thus be opened or closed unintentionally, for
example, if you:
- sit on the edge of the boot
- set down or lift up an object behind the
vehicle
- polish the rear of the vehicle
Do not carry the KEYLESS-GO key about your
person in such situations. This will prevent the
unintentional opening/closing of the boot. Boot
87Opening and closing Z

Operation
X
To open/close: kick into sensor detection
range :under the bumper with your foot.
A warning tone will sound while the boot lid is opening or closing.
X If the boot lid does not open after several
attempts: wait at least ten seconds then kick
under the bumper once again.
If you hold your foot under the bumper for too
long, the boot lid does not open or close. Repeat
the kicking movement more quickly if this
occurs.
To stop the opening or closing procedure, you
have the following options:
R Kick with your foot in sensor detection
range :under the bumper.
R Pull the handle on the outside of the boot lid.
R Press the closing button on the boot lid.
R Pull or press the remote operating switch on
the driver's door.
R Press the Fbutton on the key.
If the boot lid closing procedure has been stop- ped:
R move your foot under the bumper again and
the boot lid will open
If the boot lid opening procedure has been stop- ped:
R move your foot under the bumper again and
the boot lid will close Opening and closing automatically
from the inside
Important safety notes G
WARNING
Parts of the body could become trapped dur-
ing automatic closing of the boot lid. In addi-
tion, people may be standing in the closing
area or may enter the closing area, e.g. chil-
dren, during the closing procedure. There is a risk of injury.
Make sure that nobody is in the vicinity of theclosing area during the closing process.
Release the remote operating switch imme-
diately if somebody becomes trapped. To re-
open the boot lid, pull on the remote operating
switch. G
WARNING
The boot lid can be automatically opened or
closed even if the key is not in the vehicle. If
children are left unsupervised in the vehicle,
they could activate the functions. There is a
risk of injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children unattended in the vehicle.
! The boot lid swings upwards when opened.
Therefore, make sure that there is sufficient
clearance above the boot lid.
The opening dimensions of the boot lid can be
found in the "Vehicle data" section
(Y page 327).
Opening and closing 88
BootOpening and closing

Opening/closing the rear side windows
X
To open: open the front side window on the
corresponding side (Y page 90).
X Press the corresponding switch again and
release.
The corresponding rear side window opens
fully.
X To stop the rear side windows: briefly pull
the corresponding switch up and release.
X To close: close the front side window on the
corresponding side (Y page 90).
X Pull the respective switch and hold it.
The corresponding rear side window will con-
tinue to close until you release the switch. Opening and closing all side windows
Using the switch on the centre console G
WARNING
When a side window is closed, body parts may become trapped in the closing range. There is a risk of injury.
Ensure that there are no body parts in the
closing range of the window when closing it. If
somebody becomes trapped, release the but- ton immediately or press the lower section of
the button to open the side window again.
Using the switch on the centre console, you can
close all side windows simultaneously.
X Open the cover on the lower centre console.
The switch for all side windows is under the
cover. X
To open all side windows: press button:
to the point of resistance.
X To open all side windows fully: press but-
ton :beyond the point of resistance.
X To close all side windows: pull button:.
All side windows begin the closing procedure simultaneously. The rear side windows close
after the front side windows.
If, after opening the windows, you close one side
window using the button in the door control
panel:
R the front side window closes first and
R then the corresponding rear side window
closes
Convenience closing with KEYLESS-GO G
WARNING
When using convenience closing, you could
become trapped within the sweep of the clos- ing window. There is a risk of injury.
Monitor the entire closing procedure when
using convenience closing. When closing,
make sure that no one has any parts of the
body within the closing area.
Proceed as follows if someone is trapped:
X Release the recessed sensor surface on the
door handle.
X Immediately pull and hold the door handle
and keep the door handle pulled.
The side windows open.
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
91Opening and closing Z

X
Touch recessed sensor surface :on the
door handle until the side windows are fully
closed.
i Make sure you only touch recessed sensor
surface :.
X To interrupt convenience closing: release
recessed sensor surface :on the door han-
dle. Resetting the side windows
If a side window can no longer be closed fully,
you must reset it.
X Close all doors.
X Turn the key to position 1or 2in the ignition
lock.
X Pull the corresponding switch on the door
control panel until the side window is com-
pletely closed (Y page 90).
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 90).
X Hold the switch for an additional second.
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. 92
Side windowsOpening and closing

Exterior lighting
General notes
For reasons of safety, Mercedes-Benz recom-
mends that you drive with the lights switched on even during the daytime. In some countries,
operation of the headlamps varies due to legal
requirements and self-imposed obligations. Driving abroad
Symmetrical dipped-beam headlamps If your journey takes you to countries where
vehicles are driven on the opposite side of the
road to the country in which the vehicle is reg-
istered, your headlamps must be switched to
symmetrical dipped beam. This prevents
oncoming traffic from being dazzled. Symmetri-
cal lights do not illuminate as large an area of the edge of the carriageway.
Convert the headlamps as close to the border aspossible before driving in these countries
(Y page 210).
Asymmetrical dipped-beam headlamps Convert the headlamps back to asymmetrical
dipped beam as soon as possible after crossing
the border (Y page 210).
If the headlamps are converted to symmetrical
dipped beam, the "motorway mode" and "exten-
ded range foglamps" functions (Intelligent Light
System) are not available. Setting the exterior lighting
Setting options Exterior lighting can be set by:
R using the light switch
R using the combination switch (Y page 115)
R using the on-board computer (Y page 209)Light switch Operation
1
W
Left-hand parking lamps
2 X
Right-hand parking lamps
3 T
Side lamps, licence plate and instru-
ment cluster lighting
4 Ã
Automatic headlamp mode, controlled
by the light sensor
5 L
Dipped-beam/main-beam headlamps
B R
Rear fog lamp
If you hear a warning tone when you leave the
vehicle, the lights may still be switched on.
X Turn the light switch to Ã.
The exterior lighting (except the side lamps/
parking lamps) switches off automatically if you: R remove the key from the ignition lock
R open the driver's door with the key in position
0.
Automatic headlamp mode G
WARNING
When the light switch is set to Ã, the
dipped-beam headlamps may not be switched on automatically if there is fog, snow or othercauses of poor visibility due to the weather
conditions such as spray. There is a risk of an
accident.
In such situations, turn the light switch to
L.
The automatic headlamp feature is only an aid.
The driver is responsible for the vehicle lighting at all times. Exterior lighting
113Lights and windscreen wipers Z