2012 MERCEDES-BENZ SLK250 brake

Display messages Possible causes/consequences and
0001 Solutions
The yellow
000Awarning lamp lights up. If you manually apply or
release the electric parkin gbrake, the red 0005(USA
only)/000A (Canada only) 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 150).
X Vehicles with automatic transmission: shift the transmission
to Pas the electric parking brake is not being 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.
Exception: when having the vehicle towed with the rear axle
raised ( Ypage 287). 0005(USA
only)000A
(Canada
only)
Pkg Brake Inoperative The yellow
000Awarning lamp lights up. The red 0005(USA
only)/ 000A(Canada only) 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
overvoltage or undervoltage.
X Remove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
X Engage 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 Engage or release the electric parking brake.
If the electric parking brake still cannot be released:
X Consult a qualified specialist workshop. Display messages
205On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
The display message is only shown while the vehicle is in motion.
The yellow
000Awarning lamp lights up and the red 0005(USA
only)/ 000A(Canada only) indicato rlamp flashes.
It is no tpossible 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. 0005(USA
only)000A(Canada
only)
Turn On the
Ignition to
Release the
Parking Brake The red
0005(USA only)/000A (Canada only) indicator lamp lights
up.
You attempted to release the electric parking brake while the
ignition was switched off.
X SmartKey: turn the SmartKey to position 1in the ignition lock.
X KEYLESS-GO: switch on the ignition. 000D(USA
only)0006(Canada
only)
Brake Immediately A malfunction has occurred while the HOLD function or
DISTRONIC 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
disappears.
X Prevent the vehicle from rolling away before you leave it
(Y page 276).
You can restart the engine. 000D(USA
only)0006(Canada
only)
Check Brake Fluid
Level G
Risk of accident
There is not enough brake fluid in the brake fluid reservoir.
Additionally, the red 000D(USA only)/ 0006(Canada only)
warning 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 Apply the electric parking brake.
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. 206
Display messagesOn-board computer and displays

G
WARNING
Driving with the message Check Brake Fluid Level displayed can result in an accident. Have
yourb rake system checked immediately.
Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoi rcan
result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be
seriously burned. Display messages Possible causes/consequences and
0001 Solutions
0006
Tele Aid
Inoperative US
Ao nly:one or more of the main functions in the mbrace system
are malfunctioning.
Canada only: one or more of the main functions of the TELEAID
system are malfunctioning.
X USA only: have the mbrace system checked at aqualified
specialist workshop.
X Canada only: have the TELEAI Dsystem checked at a qualified
specialist workshop. PRE-SAFE
Inoperative See
Operator's Manual G
Risk of injury
Important function sof PRE-SAFE ®
have failed .All other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. Display messages
207On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
PRE-SAFE
Function Currently
Limited See Oper.
Manual G
Risk of accident
PRE-SAFE ®
Brake is temporarily inoperative. Possible causes are:
R the DISTRONIC PLUS cover in the radiator trim is dirty
R function is impaired due to heavy rain or snow.
R the sensors in the bumpers are dirty.
R the rada rsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R AMG vehicles: ESP ®
is deactivated.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the electric parkin gbrake.
X Clean the DISTRONIC PLUS cover in the radiator trim
(Y page 269).
X Clean the bumpers (Y page 269).
X Restart the engine.
X AMG vehicles: reactivate ESP ®
(Y page 60).
If the system detects that the sensors are fully operational, the
display message disappears.
PRE-SAFE ®
Brake is operational again. PRE-SAFE
Functions Limited
See Operator's
Manual G
Risk of accident
PRE-SAFE ®
Brake is defective. BAS PLUS or the distance warning
signal may also have failed.
X Visi taqualified specialist workshop. 0019
SRS Malfunction
Service Required G
Risk of injury
There is a malfunction in the SRS (Supplemental Restraint
System). The 0019warning lamp also lights up in the instrument
cluster.
X Visit a qualified specialist workshop. 208
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
Front Passenger
Airbag Enabled
See Operator's
Manual The front-passenger air bag and front-passenger knee bag are
enabled during the journey, eve
nthough:
R a child, a small adultorano bjectweighing less than the
system's weight threshold is located on the front-passenger
seat.
or
R the front-passenger seat is unoccupied.
The system may detec tobjects or forces applying additional
weight on the seat.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the parking brake.
X Switch the ignition off.
X Open the front-passenger door.
X Remove the child and the child restraint system from the front-
passenger seat.
X Make sure that there are no objects on the seat adding to the
weight.
The system may otherwise detec tthe additional weight and
interpret the seat occupant's weight as greater than it actually
is.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
Observe the 00030005(Y page 42) indicator lamp and the
multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 00030005 indicator lamp must light up and remain lit. When
the indicator lamp is on, OCS (Y page 42) has deactivated the
front-passenger air bag and front-passenger knee bag.
R the following display messages must not appearint he
multifunction display: Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See Operator's Manual .
X Wait for a period of at least 60 seconds until the necessary
system checks have been completed.
X Make sure that the display messages do not appearint he
multifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the 00030005indicator lamp remains lit
or goes out depends on how OCS classifies the occupant. 210
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
Front Passenger
Airbag Disabled
See Operator's
Manual The front-passenger air bag and front-passenger knee bag are
deactivated during the journey, although:
R
an adult
or
R a person larger than a certain size is occupying the front-
passenger seat.
If additional forces are applied to the seat, the system may
interpret the occupant's weight as lowe rthan it actually is.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the parking brake.
X Switch the ignition off.
X Have the occupant get out of the vehicle.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
Observe the 00030005(Y page 42) indicator lamp and the
multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 00030005 indicator lamp must light up and remain lit. When
the indicator lamp is on, OCS (Y page 42) has deactivated the
front-passenger air bag and front-passenger knee bag.
R the following display messages must not appearint he
multifunction display: Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See Operator's Manual .
X Wait for a period of at least 60 seconds until the necessary
system checks have been completed.
X Make sure that the display messages do not appearint he
multifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the 00030005indicator lamp remains lit
or goes out depends on how OCS classifies the occupant.
If the conditions are not fulfilled, the system is not operating
correctly.
X Visit a qualified specialist workshop immediately. G
WARNING
If the 00030005 indicator lamp remains lit with an adulto ccupant on the front-passenger seat
eve nafter performing the above corrective steps, do not have any passenger use the front-
passenger sea tuntil the system has been repaired. 212
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
0001
Check
Center Brake
Lamp The high-mounted brake lamp is faulty.
X
Chec kwhether you are permitted to change the bulb yourself
(Y page 109).
or
X Visit a qualified specialist workshop. 0001
Check Left Brake
Lamp or
Check Right
Brake Lamp The left or right-hand brake lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 109).
or
X Visit a qualified specialist workshop. 0001
Check Left Tail
and Brake
Lamps or
Check Right Tail and
Brake Lamps The left or right-hand tail lamp/brake lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 109).
or
X Visit a qualified specialist workshop. 0001
Check Left High
Beam or
Check Right
High Beam The left or right-hand high beam is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 109).
or
X Visit a qualified specialist workshop. 0001
License Plate Lamp The license plate lamps are faulty.
X
Check whether you are permitted to change the bulb yourself
(Y page 109).
or
X Visit a qualified specialist workshop. 0001
Check Left Fog
Lamp or
Check Right
Fog Lamp The left-hand or right-hand front fog lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 109).
or
X Visit a qualified specialist workshop. 214
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
DISTRONIC PLUS
Currently
Unavailable See
Operator's Manual DISTRONIC is deactivated and temporarily inoperative. Possible
causes are:
R
the DISTRONIC PLUS cover in the radiator trim is dirty
R function is impaired due to heavy rain or snow.
R the sensors in the bumpers are dirty.
R the rada rsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
Aw arning tone also sounds.
If the display message does no tdisappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the electric parking brake.
X Clean the DISTRONIC PLUS cover in the radiator trim
(Y page 269).
X Clean the bumpers (Y page 269).
X Restar tthe engine.
If the system detects that the sensors are fully operational, the
display message disappears.
DISTRONIC is operational again. DISTRONIC PLUS
Inoperative DISTRONIC PLUS is defective. BAS PLUS (Brake Assist PLUS) and
PRE-SAFE
®
Brake may be inoperative as well.
Aw arning tone also sounds.
X Visi taqualified specialist workshop. DISTRONIC PLUS
Passive You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Remove your foot from the accelerator pedal. DISTRONIC PLUS
--- mph An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation conditions for DISTRONIC PLUS
(Y page 158). Display messages
221On-board computer and displays Z