2012 MERCEDES-BENZ SLK ROADSTER parking brake

Fron
tsensors Centre approximately 10
0cm Corners approximately 60 cm
Rea
rsensors Centre approximately 12
0cm Corners approximately 80 cm
!
When parking, pay particula rattention to
objects above or below the sensors, such
as flower pots or trailer drawbars. PARK-
TRONIC does not detect such objects when
they are in the immediate vicinity of the
vehicle. You could damage the vehicle or
the objects.
The sensors may not detect snow and
objects which absorb ultrasonic sources.
Ultrasonic sources, such as an automatic
car wash, a lorry's compressed-air brakes
or a pneumati cdrill, coul dcause PARK-
TRONIC to malfunction.
PARKTRONIC may no tfunction correctly on
uneven terrain.
Minimum distance Centre approximately 20 cm
Corners approximately 15 cm
If there is an obstacle within this range, the
relevan
twarning displays light up and a warn-
ing tone sounds. If th edistance falls below
the minimum, the distanc emay no longer be
shown.
Warning displays The warning displays show the distance
between the sensors and th eobstacle. The
warning display for the fron tarea is located
on the dashboard above the centre air vents.
The warning display for the rear area is loca-
ted between the roll bars. Warning display for the front area
:
Segments on the left-hand side of the
vehicle
; Segments on the right-hand side of the
vehicle
= Segments showing operational readiness
The warning display for each side of the vehi-
cle is divided into five yellow and two red seg-
ments. PARKTRONIC is operational if yellow
segments showing operational readiness =
light up.
The gearl ever position or the transmission
position of the automatic transmission and
the direction in which the vehicle is rolling
determine which warning display is active
when the engine is running.
Manual transmission: Gear lever posi-
tion Warning display
Forwards gear
or
Neutral
Front area activated
Reverse gear
, or
the vehicle is rolling
backwards Rear and front areas
activated168
Driving systemsDriving and parking

=
Description field
? Menu bar
A Outside temperature or speed
(Y page 191)
B Time
X To show menu bar ?:press the =
or ; button on the steering wheel.
Menu bar ?disappears after a few seconds.
Text field =shows the selected menu or
submenu as well as display messages.
i You can se tthe time using Audio 20 or
COMAND Online, see the separate Operat-
ing Instructions.
Vehicles with manual transmission: the
clock and the outside temperature or speed
are shown instead of transmission posi-
tion :and drive program ;.
The following messages can appearint he
multifunction display:
Z Shift recommendation
(Ypage 136)
XjY Parking Guidance (Y page 170)
¯ Cruise control (Y page 151)
LIM SPEEDTRONIC (Y
page 153)
À ATTENTION ASSIST
(Ypage 173)
¤ ECO start/stop function
(Ypage 131)
Ä Speed Limit Assist
(Ypage 174)
ë HOLD function (Y page 165)
Ä PRE-SAFE®
Brake (Y page 59)
120 km/h! Maximum permissible speed
exceeded (only for certain coun-
tries) Displays and operation
181On-board computer and displays Z

X
Press the =or; button on the steer-
ing wheel to select the Tel menu.
X Press the 6button to switch to the
redial memory.
X Press the 9or: button to select the
desired name or number.
X Press the 6ora button to start dial-
ling.
or
X If you do not want to make a call: press
the ~ or% button. Assistance menu
Speed Limit Assist Displaying Speed Limit Assist
In the
Speed Lim. Asst. function, a detec-
ted speed limit is displayed under certain
conditions (Y page 174).
X Press =or; on the steering wheel
to select the Assist. menu.
X Press 9or: to select Speed Lim.
Asst. .
X Press a.
The multifunction display shows Speed
Limit Assist.
Activating/deactivating the Speed Limit
Assist message function
You can set Speed Limit Assist (Y page 174)
to display a detected speed limit automati-
cally for five seconds. Other messages in the
multifunction display will be faded out for this
length of time.
X Press =or; on the steering wheel
to select the Assist. menu.
X Press 9or: to select Speed Lim.
Asst. .
X Press a.
The multifunction display shows Speed
Limit Assist. X
Press :.
The curren tselection is displayed.
X To activate or deactivate: pressa.
If Speed Limit Assist is operational and the
message function is activated, the multifunc-
tion display shows the Äsymbol when the
ignition is switched on.
Show distance display This function is only available with DIS-
TRONIC PLUS.
X
Press =or; on the steering wheel
to select the Assist. menu.
X Press the 9or: button to select
Distance display .
X Press a.
The DISTRONIC PLUS distance display
(Y page 162) appears in the multifunction
display.
Activating/deactivating the PRE-SAFE ®
Brake PRE-SAFE
®
Brake is only available in vehicles
with DISTRONIC PLUS.
X Press =or; on the steering wheel
to select the Assist. menu.
X Press 9or: to select PRE-SAFE Brake .
X Press the abutton.
The curren tselection is displayed.
X To activate/deactivate: pressa
again.
When PRE-SAFE ®
Brake (Y page 59) is acti-
vated, the multifunction display shows the
Ä symbol as long as the HOLD function is
not activated (Y page 165).
Vehicles with Parking Guidance: if PARK-
TRONIC is activated and you are driving at a
speed under 35 km/h, the jParking Guid-
ance symbol is shown instead of the Ä
symbol. Menus and submenus
189On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
÷
inoperative See
Owner's Manual G
Risk of accident
ESP ®
,B AS, PRE-SAFE ®
, the HOLD functio nand hill start assist are
not available due to a malfunction.
The adaptive brake lights, BAS PLUS and PRE-SAFE ®
Brake may
also have failed.
In addition, the ÷andå warning lamps light up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
The brake system continue sto function normally, but without the
functions listed above.
X Drive on carefully.
X Visit a qualified specialist workshop. T!
÷
inoperative See
Owner's Manual G
Risk of accident
EBD (electronic brake force distribution), ABS, ESP ®
, BAS, PRE-
SAFE ®
, the HOLD function and hill start assist are not available
due to a malfunction.
The adaptive brake lights, BAS PLUS and PRE-SAFE ®
Brake may
also have failed.
In addition, the ÷,åand! warning lamps light up in
the instrument cluster and a warning tone sounds.
ATTENTION ASSIST is deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. !
Release parking
brake The red
!indicator lamp flashes and a warning tone sounds.
A condition for automatic release of the electric parking brake is
not fulfilled (Y page 147).
You are driving with the electric parking brake applied.
X Release the electric parking brake manually. The red
!indicator lamp flashes and a warning tone sounds.
You are making an emergency stop using the electric parking
brake (Y page 147). 202
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
!
Parking brake See
Owner's Manual The yellow
!warning lamp lights up.
The electric parking brake is malfunctioning.
To apply:
X Switch the ignition off.
X Press the electric parkin gbrake handle for at least ten seconds.
X Vehicles with manual transmission: engage first gear.
X Vehicles with automatic transmission: shift the transmission
to P.
X Consult a qualified specialist workshop. The yellow
!warning lamp and the red !indicator lamp
are lit.
The electric parking brake is malfunctioning.
To release:
X Switch off the ignition and turn it back on.
X Release the electric parking brake manually.
or
X Vehicles with manual transmission: release the electric park-
ing brake using the automatic emergency release
(Y page 147).
X Vehicles with automatic transmission: release the electric
parking brake automatically (Y page 147).
If the yellow !warning lamp remains lit or continues to flash:
X Do not drive on.
X Consult a qualified specialist workshop. Display messages
203On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
The red
!indicato rlamp flashes and the yellow !warning
lamp is lit.
The electric parking brake is malfunctioning.
To release:
X Switch off the ignition and turn it back on.
X Release the electric parking brake manually.
To apply:
X Switch off the ignition and turn it back on.
X Engage the electric parking brake manually.
If the red !indicator lamp continues to flash:
X Do not drive on.
X Secure the vehicle against rolling away ( Ypage 267).
X Vehicles with manual transmission: engage first gear.
X Vehicles with automatic transmission: shiftthe transmission
to P.
X Turn the front wheels towards the kerb.
X Consult a qualified specialist workshop. The yellow
!warning lamp lights up. The red !indicator
lamp flashes for about ten seconds after the electric parking brake
has been applied or released. It then goes out or remains lit.
The electric parking brake is malfunctioning.
X Switch off the ignition and turn it back on.
X Engage the electric parking brake.
If it is not possible to apply the electric parking brake:
X Vehicles with manual transmission: engage first gear.
X Vehicles with automatic transmission: shift the transmission
to P.
X Visit a qualified specialist workshop.
If it is not possible to release the electric parking brake:
X Vehicles with manual transmission: release the electric park-
ing brake using the automatic emergency release
(Y page 147).
X Vehicles with automatic transmission: release the electric
parking brake automatically (Y page 147).
If the electric parking brake can still not be released:
X Consult a qualified specialist workshop. 204
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
The yellow
!warning lamp lights up. If you manually apply or
release the electric parkin gbrake, the red !indicator lamp
flashes.
The electric parking brake is malfunctioning. It is not possible to
apply the electric parking brake manually.
X Vehicles with manual transmission: switch off the ignition.
The electric parking brake is applied automatically.
You can release the electric parking brake using the automatic
emergency release (Y page 147).
X Vehicles with automatic transmission: shift the transmission
to Pas the electric parking brake is not applied automatically.
X Visi taqualified specialist workshop.
i If you do not wish the electric parking brake to be applied,
leave the ignition switched on, e.g. when washing the vehicle in
an automatic car wash or when having the vehicle towed. Excep-
tion :when having the vehicle towed with the rear axle raised
(Y page 278). !
Parking
brake inop‐
erative The yellow
!warning lamp lights up. The red !indicator
lamp flashes for about ten seconds after the electric parking brake
has been applied or released. It then goes out or remains lit.
The electric parking brake is malfunctioning, e.g. because of over-
voltage or undervoltage.
X Remove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
X Apply or release the electric parking brake.
If it remains impossible to apply or release the electric parking
brake:
X Switch off the ignition and turn it back on.
X Apply or release the electric parking brake.
If the electric parking brake can still not be released:
X Consult a qualified specialist workshop. The display message is only shown while the vehicle is in motion.
The red
!indicator lamp flashes and the yellow !warning
lamp is lit.
It is not possible to apply the electric parking brake manually.
X Vehicles with manual transmission: engage first gear.
X Vehicles with automatic transmission: shift the transmission
to P.
X Visit a qualified specialist workshop. Display messages
205On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
!
Turn on the igni‐
tion to release
the parking brake The red
!indicato rlamp is lit.
You attempted to release the electric parking brak ewhile the igni-
tion was switched off.
X Key: turn the key to position 1in the ignition lock.
X KEYLESS-GO: switch on the ignition. J
Brake immediately A malfunction has occurred while the HOLD function or DIS-
TRONIC PLUS is active.
At
one may also sound at regular intervals. If you attempt to lock
the vehicle, the tone becomes louder.
You cannot start the engine.
X Paying attention to the traffic situation, immediately depress the
brake pedal firmly and hold until the display message disap-
pears.
X Prevent the vehicle from rolling away before you leave it
(Y page 267).
You can restart the engine. J
Check brake fluid
level G
Risk of accident
There is insufficien tbrake fluid in the brake fluid reservoir. In addi-
tion, the red Jwarning lamp lights up in the instrument cluster
and a warning tone sounds.
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 Engage the electric parking brake.
X Consult a qualified specialist workshop.
X Do not top up the brake fluid. This does not correct the error. #
Check brake wear The brake pads/linings have reached their wearl
imit.
X Visit a qualified specialist workshop. PRE-SAFE
inoperative See
Owner's Manual G
Risk of injury
Important function sof PRE-SAFE ®
have failed .All other occupant
safety systems, e.g. airbags, remain available.
X Visit a qualified specialist workshop immediately. 206
Display messagesOn-board computer and displays