lock MERCEDES-BENZ SL-CLASS ROADSTER 2013 Owners Manual

Display messages Possible causes/consequences and
M SolutionsÂ
Key Not Detected 
(red display message) The KEYLESS-GO key is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the vehicle
centrally or start the engine.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 154).
X Locate the KEYLESS-GO key. The KEYLESS-GO key is not detected while the engine is running
because
there
is interference from a strong source of radio waves.
A warning tone also sounds.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 154).
X Operate the vehicle with the SmartKey in the ignition lock. Â
Key Not Detected 
(white display
message) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the key with the KEYLESS-GO functions
in the vehicle.
If the KEYLESS-GO key is still not detected:
X Operate the vehicle with the SmartKey in the ignition lock. Â
Key Detected in
Vehicle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. Â
Remove 'Start'
Button and Insert
Key The KEYLESS-GO key can continuously not be detected.
KEYLESS-GO is temporarily malfunctioning or is defective. A
warning tone also sounds.
X
Insert the SmartKey into the ignition lock and turn it to the
desired position.
X Visit a qualified specialist workshop. Â
Close Doors to
Lock Vehicle At least one door is open. A warning tone also sounds.
X
Close all doors and lock the vehicle again.254
Display messages
On-board computer and displays

Safety systems
Problem Possible causes/consequences and
M Solutions$ (USA only)
J (Canada only)
The red brake system
warning
lamp
comes on
while the engine is
running. A warning tone
also sounds. There is not enough brake fluid in the brake fluid reservoir.
G WARNING
The braking effect may be impaired.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to

road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away ( Y page 154).
X Do not add brake fluid. Topping up will not remedy the
malfunction.
X Consult a qualified specialist workshop.
X Observe the additional display messages in the multifunction
display. !
The
yellow

ABS warning
lamp is lit while the
engine is running. ABS (Anti-lock Brake System) is deactivated due to a malfunction.
BAS (Brake Assist), BAS PLUS, ESP
®
(Electronic Stability
Program), PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD function and
hill start assist are therefore also deactivated, for example.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is

not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop.
If the ABS control unit is faulty, there is also a possibility that other
systems, such as the navigation system or the automatic
transmission, will not be available. Warning and indicator lamps
257
On-board computer and displays Z

Problem Possible causes/consequences and
M Solutions!
The
yellow
ABS warning
lamp is lit while the
engine is running. ABS is temporarily unavailable. BAS, BAS PLUS, ESP
®
, EBD
(electronic brake force distribution), PRE-SAFE ®
,
PRE-SAFE ®
Brake,
the HOLD function, hill start assist are therefore
also deactivated, for example.
Possible causes are:
R Self-diagnosis is not yet complete.
R The on-board voltage may be insufficient.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is

not operational, ESP ®
is unable to stabilize the vehicle.
There is a risk of an accident.
X Carefully drive a suitable distance making slight steering
movements at a speed above 12 mph (20 km/h).
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop.258
Warning and indicator lamps
On-board computer and displays

Problem Possible causes/consequences and
M Solutions!
The
yellow
ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds. EBD is not available due to a malfunction. Therefore, ABS, BAS,
BAS PLUS, ESP
®
, PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD
function and hill start assist are also unavailable, for example.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is

not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. $ (USA only)
J (Canada only)
֌!
The red brake warning
lamp, the yellow ESP
®
and ESP ®
OFF warning
lamps and the yellow
ABS warning lamp are
lit while the engine is
running. ABS and ESP
®
are not available due to a malfunction. Therefore,
BAS, BAS PLUS, EBD, PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD
function and

hill start assist, for example, are not available either.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is

not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. Warning and indicator lamps
259
On-board computer and displays Z

Problem Possible causes/consequences and
M Solutions?
The red coolant
warning
lamp
comes on
while the engine is
running. The coolant level is too low.
If the coolant level is correct, the airflow to the engine radiator
may be blocked or the electric engine radiator fan may be
malfunctioning.
The coolant is too hot and the engine is no longer being cooled
sufficiently.
X
Observe the additional display messages in the multifunction
display.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 154).
X Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and add coolant, observing the warning
notes (Y page 498).
X If you need to add coolant more often than usual, have the
engine coolant system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Do not start the engine again until the coolant temperature is
under 248

‡ (120 †). Otherwise, the engine could be damaged.
X Drive to the nearest qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. ?
The red coolant
warning
lamp

comes on
while the engine is
running. A warning tone
also sounds. The coolant temperature has exceeded 248 ‡ (120 †). The
airflow
to
the engine radiator may be blocked or the coolant level
may be too low.
G WARNING
The engine is not being cooled sufficiently and may be damaged.
Do not
drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catch fire.
Steam from the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
X Observe the additional display messages in the multifunction
display.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 154).264
Warning and indicator lamps
On-board computer and displays

Problem Possible causes/consequences and
M SolutionsX
Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and add coolant, observing the warning
notes (Y page 498).
X If you need to add coolant more often than usual, have the
engine coolant system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X At coolant temperatures under 248 ‡ (120 †), drive to the next
qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. Driving systems
Problem Possible causes/consequences and
M Solutions·
The red distance
warning lamp lights up
while the vehicle is in
motion.
A

warning tone
also sounds. You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.
X
Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
Further information on DISTRONIC PLUS ( Y page 166).
Further information on PRE-SAFE ®
Brake (Y page 63). Warning and indicator lamps
265
On-board computer and displays Z

have to clean the screen, however, use a
mild cleaning agent and a soft, lint-free
cloth.
The display must be switched off and have
cooled down
before you start cleaning. Clean
the display screen, when necessary, with a
commercially available microfiber cloth and
cleaning agent for TFT/LCD displays. Do not
apply pressure to the display surface when
cleaning it, as this could cause irreversible
damage. Then, dry the surface with a dry
microfiber cloth.
Avoid using alcoholic thinners, gasoline or
abrasive cleaning agents. These could
damage the display surface.
COMAND controller Overview
:
COMAND controller
You can use the COMAND controller to select
the menu items in the COMAND display.
You can:
R call up menus or lists
R scroll within menus or lists and
R exit menus or lists Operation
Operating the COMAND controller (example)
The COMAND controller can be:
R
pressed briefly or pressed and held W
R turned clockwise or counter-clockwise
cVd
R slid left or right XVY
R slid forwards or back ZVÆ
R slid diagonally aVb
Example of operation
In the instructions, operating sequences are
described as follows:
X Press the $ button.
Radio mode is activated.
X Select Radio by sliding VÆ and turning
cVd the COMAND controller and press
W to confirm.
X Confirm Station List by pressing W.
The station list appears. At a glance
273
COMAND Z

Calling up/exiting the display
X
To call up the full screen display: press
the W button.
X In the system menu, slide ZV the
COMAND controller up until the Full
Screen option is selected.
X Press W the COMAND controller.
The system display is shown as full screen
(without system menu).
X Slide XVY the COMAND controller
repeatedly until the fuel consumption
indicator appears.
The COMAND display shows the fuel
consumption for
the last 15 minutes of the
journey.
X To exit the full screen display: press W
the COMAND controller.
The system menu appears.
Every bar of the graph displays the average
value for one minute.
The fuel consumption indicator may differ
from the indicator in the FROM START trip
computer in the Trip menu (Y page 209).Driving conditions menu (Active Body
Control)
General notes On vehicles with Active Body Control (ABC),
you can display some driving systems and
additional information in the COMAND
display. Calling up drive status regulator (ABC) X
Press W.
X In the system menu, slide ZV the
COMAND controller up until the display/
selection window is selected.
X Slide XVY the COMAND controller
repeatedly until the drive status regulator
(ABC) appears.
The corresponding displays appear in the
COMAND display.
Details on the displays:
R for standard vehicles ( Y page 180)
R for AMG vehicles ( Y page 183)
Exiting the display X
Slide XVY the COMAND controller until
the desired display (clock or fuel
consumption) is shown. Text reader settings
X Press the W button.
X Select Settings by turning cVd the
COMAND controller and press W to
confirm.
X Select Text Reader Speed and press W
to confirm.
A list appears. The # dot indicates the
current setting.
X Select a setting by turning cVd the
COMAND controller and press W to
confirm. Voice Control System settings
Opening/closing the help window The help window provides information in
addition to the audible instructions during
individualization and during the subsequent
voice control. System settings
291
COMAND Z

X
Select the language by turning cVd the
COMAND controller and press W to
confirm.
COMAND loads
the selected language and
sets it. Assigning a favorites button
X To assign a favorites button: press the
W button.
X Select Settings by
sliding VÆ and turning
cVd the COMAND controller and press
W to confirm.
X Select Assign as Favorite and press
W to confirm.
The list of predefined functions appears.
The dot
#

indicates the currently selected
function.
X Select the function by turning cVd the
COMAND controller and press W to
confirm.
The favorites button is assigned the
selected function.
X Example: to call up a favorite: press the
g favorites button.
This calls up the predefined function.
You can select the following predefined
functions in a menu:
R Display On/Off: you can switch the
display off or on.
R Full Screen: 'Clock': you can call up
the full screen with clock.
R Full Screen: 'Map' : you

can call up the
full screen with map.
R Spoken Driving Tip : you can call up the
current driving recommendation.
R Display Traffic Messages : you can call
up traffic reports.
R Navigate Home: you can start route
guidance to your home address if you have
already entered and saved the address
(Y page 304). R
Detour Menu: you can call up the Detour
menu and

then avoid a section of the route
and recalculate the route ( Y page 326).
R Compass Screen: you can call up the
compass.
R Driver’s Seat Massage, Front-
Passenger's Seat Massage or
Massage: Both Front Seats: you can
start the massage function, depending on
which seats are selected (Y page 288). Importing/exporting data
! Never remove the stick or card when
writing data

to the USB stick or the memory
card. You may otherwise lose data.
Using this function, you can:
R transfer your personal COMAND data from
one system/vehicle to another
R make a backup copy of your personal data
(export data) and load it again (import
data).
You can either use an SD memory card or a
USB storage device (e.g. a USB stick) as
temporary storage. System settings
293
COMAND Z

Entering a destination using the map
Calling up the map
X
To switch to navigation mode: press the
Ø function button.
X To show the menu:
press W the COMAND
controller.
X Select Destination in the navigation
system menu bar by turning cVd the
COMAND controller and pressing W to
confirm. :
Current vehicle position
; Crosshair
= Details of the crosshair position
? Map scale selected
X Select Using Map

and press W to confirm.
You see the map with the crosshair.
Display = depends on the settings selected
in "Map information in the display"
(Y page 345). You can see the current street
name if the digital map contains the
necessary

data, You can see the coordinates
of the crosshair if the geo-coordinate display
is switched on and the GPS signal is strong
enough.
Moving the map and selecting the
destination
X To scroll the map: slide XVY, ZVÆ or
aVb the COMAND controller. X
To set the map scale: as
soon as you turn
cVd the COMAND controller, the scale bar
appears.
X Turn cVd until the desired scale is set.
Turning clockwise

zooms out from the map;
turning counter-clockwise zooms in. X
To select a destination: press W the
COMAND controller
once or several times.
If COMAND is unable to assign a unique
address, you will see either the address
entry menu with the destination address or
a selection list.
X Select a destination by turning cVd the
COMAND controller and press W to
confirm.
If the destination is within the limits of the
digital map, COMAND attempts to assign
the destination to the map.
If the

destination can be assigned, you will
see the address entry menu with the
address of the destination. If not, you will
see the Destination From Map entry.
X To start route calculation: select Start
and press W to confirm.
Entering a destination using geo-
coordinates X
To switch to navigation mode: press the
Ø function button.
X To show the menu: press W
the COMAND
controller.
X Select Destination in the navigation
system menu bar by turning cVd the306
Navigation
COMAND