2012 MERCEDES-BENZ SLK250 start stop button

Problems with the transmission
Problem Possible causes/consequences and
0001 Solutions
The transmission has
problems shifting gear. The transmission is losing oil.
X
Have the transmission checked at a qualified specialist
workshop immediately. The acceleration ability
is deteriorating.
The transmission no
longer changes gear. The transmission is in emergency mode.
It is only possible to shift into
secondgear and reverse gear.
X Stop the vehicle.
X Shift the transmission to position P.
X Switch off the engine.
X Wait at least 10seconds before restarting the engine.
X Shift the transmission to position Dor R.
If D is selected, the transmission shifts into secondgear; ifRis
selected, the transmission shifts into reverse gear.
X Have the transmission checked at a qualified specialist
workshop immediately. Releasing the parking lock manually
In the event of an electrical malfunction, it is
possible to release the selector lever lock
manually to move it out of position P, e.g. if
you wish to tow the vehicle away. !
Do not use any sharp-edged objects to
remove the selector lever gaiter from the
center console. This could damage the
selector lever gaiter. X
Apply the electric parking brake.
X Press the frame of selector level gaiter 0002
together somewhat on the side edge at the
back and hold with one hand 0003.
X With the other hand, pry off the frame of
selector level gaiter 0002with a flat, blunt
object (e.g. a screwdriver wrapped in cloth)
at rear edge 0023, pulling it up and out at the
same time.
X Press release buttons 0022down and
simultaneously move the selector lever out
of position P.
The selector lever can now be moved freely
until it is returned to position P. Refueling
Important safety notes
G
WARNING
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious
personal injury. 146
RefuelingDriving and parking

Switching off the engine
Important safety notes G
WARNING
Do not turn off the engine before the vehicle
has come to a complete stop. With the engine
not running, there is no power assistance for
the brake and steering systems. In this case,
it is important to keep in mind that a
considerably higher degree of effort is
necessary to brake and steer the vehicle.
Vehicles with manual transmission X
Shift to either first gear or reverse gear R.
X Turn the SmartKey to position 0in the
ignition lock and remove it.
The immobilizer is activated.
X Apply the electric parking brake.
Vehicles with automatic transmission X
Apply the electric parking brake.
X Shift the transmission to position P.
Using the SmartKey
X Turn the SmartKey to position 0in the
ignition lock and remove it.
The immobilizer is activated.
i The SmartKey can only be removed if the
transmission is in position P.
Using KEYLESS-GO
X Press the Start/Stop button (Y page 131).
The engine stops and all the indicator
lamps in the instrumen tcluster go out.
i When the driver's door is closed, this
corresponds to SmartKey position 1.When
the driver's door is open, it corresponds to
SmartKey position 0or "SmartKey
removed".
If you attempt to switch off the engine while
the selector lever is in a position other than
P, a message appears in the multifunction
display and you hear a tone. Electric parking brake
General information i
The electric parking brake performs a
function test at regular intervals while the
engine is switched off. The sounds that can
be heard while this is occurring are normal. G
WARNING
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it with
you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Children could
release the parking brake and/or shift the
automatic transmission out of park position
P, either of which could result in an accident
and/or serious personal injury. Applying/releasing manually
X
To apply: press handle 0002.
The red 0005(USA only) or 000A(Canada
only) indicator lamp in the instrument
cluster lights up.
i The electric parking brake can also be
applied when the SmartKey is removed.
X To release: switch on the ignition.
X Pull handle 0002.
The red 0005(USA only) or 000A(Canada
only) indicator lamp in the instrument
cluster goes out.
i The electric parking brake cannot be
released unless the SmartKey is in position
1 in the ignition lock or if the ignition has 150
ParkingDriving and parking

been switched on using the Start/Stop
button.
Applying automatically Your vehicle's electric parking brake is
applied automatically if DISTRONIC PLUS
(vehicles with automatic transmission only)
or the HOLD function stops your vehicle or is
keeping your vehicle stationary. In addition,
at least one of the following conditions must
be fulfilled:
R the engine is switched off.
R the driver's door is open and the seat belt
is not fastened.
R the vehicle is stationary for a lengthy
period.
The red 0005(USA only) or 000A(Canada
only) indicator lamp in the instrument cluster
lights up.
Releasing automatically i
The electric parking brake can only be
released automatically on vehicles with
automatic transmission.
Your vehicle's electric parking brake is
automatically released if all of the following
conditions are met:
R the engine is running.
R the transmission is in position Dor R.
R the seat belt has been fastened.
R you depress the accelerator pedal.
If the transmission is in position R, the trunk
lid must be closed.
If your seat belt is not fastened, the following
conditions must be fulfilled to automatically
release the electric parkin gbrake:
R the driver's door is closed.
R you have shifted out of position Por you
have previously drive nfaster than 2mph
(3km/h). Emergency braking The vehicle can also be braked during an
emergency by using the electric parking
brake.
X
While driving, push handle 0002of the electric
parking brake (Y page 150).
i The vehicle is braked as long as you keep
the handle of the electric parking brake
pressed. The longer the electric parking
brake handle is depressed, the greater the
braking force.
During braking:
R a warning tone sounds.
R the Please Release Parking Brake message appears.
R the red 0005(USA only) or 000A(Canada
only) indicator lamp in the instrument
cluster flashes.
When the vehicle has been braked to a
standstill, the electric parking brake is
engaged. Parking the vehicle for
along period
If you leave the vehicle parked for longer than
four weeks, the battery may be damaged by
exhaustive discharge.
X Connect a trickle charger.
i You can obtain information about trickle
chargers from a qualified specialist
workshop.
If you leave the vehicle parked for longer than
six weeks, the vehicle may suffer damage as
a result of lack of use.
X Visit a qualified specialist workshop and
seek advice. Parking
151Driving and parking Z

0002
Multifunction display
0003 Switches on the Voice Control System;
see the separate operating instructions
0023 Right control panel
0022 Left control panel
0020 Back button
Left control panel 0002
0005 R
Calls up the menu and menu bar 0003
0004
Press briefly:
R
Scrolls in lists
R Selects a submenu or function
R In the Audio menu: selects a
stored station, an audio track or
a video scene
R In the Tel (telephone) menu:
switches to the phone book and
selects a name or telephone
number 0003
0004
Press and hold:
R
In the Audio menu: selects the
previous/next station or selects
an audio track or a video scene
using rapid scrolling
R In the Tel (telephone) menu:
starts rapid scrolling through the
phone book 000C R
Confirms a selection/display
message
R In the Tel (telephone) menu:
switches to the telephone book
and starts dialing the selected
number
R In the Audio menu: stops the
station search function at the
desired station Right control panel
0004 R
Rejects or ends a call
R Exits phone book/redial
memory 0005 R
Makes or accepts a call
R Switches to the redial memory 000A
000B R
Adjusts the volume 0007 R
Mute 182
Displays and operationOn-board computer and displays

Rejecting or ending
acall X
Press the 0004button on the steering
wheel.
If you are not in the Tel menu, you can still
reject or end a call.
Dialing a number from the phone book If you
rmobile phone is able to receive calls,
you can search for and dial a number from the
phone book in Audio 20 or COMAND.
X Press the 0002or0005 button on the
steering wheel to select the Tel menu.
X Press the 0003,0004or000C button to call
up the phone book.
X Press the 0003or0004 button to select the
desired name.
To start scrolling rapidly ,press and hold the
0003 or0004 button for longer than one
second. After a short time, the rapid scroll
speeds up.
Rapid scrolling stops when you release the
button or reach the end of the list.
X If onlyo ne telephone number is stored
for a name: press the0005or000C button
to start dialing.
or
X If there is more than one number for a
particular name: press the0005or000C
button to display the numbers.
X Press the 0003or0004 button to select the
number you want to dial.
X Press the 0005or000C button to start
dialing.
or
X If you do not want to make a call: press
the 0004 or0001 button.
Redialing The on-board computer saves the last names
or numbers dialed in the redial memory. X
Press the 0002or0005 button on the
steering wheel to select the Tel menu.
X Press the 0005button to switch to the
redial memory.
X Press the 0003or0004 button to select the
desired name or number.
X Press the 0005or000C button to start
dialing.
or
X If you do not want to make a call: press
the 0004 or0001 button. Assistance menu
Showing the distance display This function is only available with
DISTRONIC PLUS.
X Press the 0002or0005 button on the
steering wheel to select the DriveAssist menu.
X Press the 0003or0004 button to select
Distance Display .
X Press 000C.
The DISTRONIC PLUS distance display
(Y page 165) appears in the multifunction
display.
Activating/deactivating PRE-SAFE ®
Brake PRE-SAFE
®
Brake is only available in vehicles
with DISTRONIC PLUS.
X Press the 0002or0005 button on the
steering wheel to select the DriveAssist menu.
X Press 0003or0004 to select PRE-SAFE Brake .
X Press 000C.
The curren tselection is displayed.
X To activate/deactivate: press000C
again.
When PRE-SAFE ®
Brake (Y page 62) is
activated, the multifunction display shows 190
Menus and submenusOn-board computer and displays

X
Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Convenience submenu.
X Press 000Cto confirm.
X Press the 0004or0003 button to select the
Belt Adjustment function.
You will see the selected setting: on or
off .
X Press the 000Cbutton to save the setting.
Switching the fold-in mirrors when
locking feature is on/off
If you switch on the Fold Mirrors in when
Locking function, the exterior mirrors fold in
when you lock the vehicle. If you unlock the
vehicle and then open a door, the exterior
mirrors fold out again.
If you have switched the function on and you
fold the exterior mirrors in using the button
on the door (Y page 99), they will not fold out
automatically. The exterior mirrors can then
only be folded out using the button on the
door.
X Press the 0002or0005 button on the
steering wheel to select the Settingsmenu.
X Press the 0004or0003 button to select the
Convenience submenu.
X Press the 000Cbutton to confirm.
X Press the 0004or0003 button to select the
Fold mirrors in when locking: function.
You will see the selected setting:
Enabledor
Disabled .
X Press the 000Cbutton to save the setting.
Restoring the factory settings For safety reasons, the
Daytime RunningLights: function in the
Lights submenu is
only reset when the vehicle is stationary. X
Press the 0002or0005 button on the
steering wheel to select the Sett. menu.
X Press the 0004or0003 button to select the
Factory Setting submenu.
X Press the 000Cbutton to confirm.
The Reset All Settings? message
appears.
X Press the 0004or0003 button to select
No or
Yes .
X Press the 000Cbutton to confirm the
selection.
If you select Yes , the multifunction display
shows a confirmation message. AMG menu in AMG vehicles
AMG displays X
Press the 0002or0005 button on the
steering wheel to select the AMG menu.
0002
Digital speedometer
0003 Gear indicator
0023 Upshift indicator
0022 Engine oil temperature
0020 Coolant temperature
0021 Status display of the ECO start/stop
function (Y page 135)
Upshift indicator UP 0023
indicates that the
engine has reached the overrevving range
when in the manual gearshift program.
Upshift indicator UP 0023
fades out other
messages until you have shifted up. Menus and submenus
195On-board computer and displays Z

0002
RACETIMER
0003 Fastest lap time (bes tlap)
0023 Lap
i It is possible to store a maximum of
sixteen laps. Lap sixteen can only be
finished with Finish Lap .
Stopping the RACETIMER
X Press the 0001button on the steering
wheel. X
Press 000Cto confirm YES .
The RACETIMER interrupts timing when you
stop the vehicle and turn the SmartKey to
position 1in the ignition lock. If you turn the
SmartKey to position 2or 3and then press
the 000C button to confirm Start , timing is
continued.
Resetting the current lap
X Stop the RACETIMER.
X Press the 0002or0005 buttonto select
Reset Lap .
X Press 000Cto reset the lap time to "0”. Deleting all laps
If you switch off the engine, the RACETIMER
is reset to "0" after 30 seconds. All laps are
deleted.
You cannot delete individual stored laps. If
you have stopped 16 laps, the current lap
does not have to be reset.
X
Reset the current lap.
X Press 000Cto confirm Reset .
Reset Race Timer? appears in the
multifunction display. X
Press the 0004button to select Yes and
press the 000Cbutton to confirm.
All laps are deleted.
Overall statistics This function is shown if you have stored at
least one lap and stopped the RACETIMER.
X
Press 0002or0005 on the steering wheel
to select the AMG menu.
X Press the 0003button repeatedly until the
overall evaluation is shown. Menus and submenus
197On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
000A
Key Not
Detected (red display
message) The KEYLESS-GO key is not in the vehicle.
Aw
arning tone also sounds.
If the engine is switched off, you can no longer loc kthe 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 Apply the electric parking brake.
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.
Aw
arning tone also sounds.
X Pull ove rand stop the vehicle safely as soo nas possible, paying
attention to road and traffic conditions.
X Apply the electric parking brake.
X Operate the vehicle with the SmartKey in the ignition lock. 000A
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. 000A
Key Detect'd In
Vehicle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. 000A
Remove 'Start'
Button and Insert
Key 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. 000A
Close Doors to
Lock Vehicle At least one door is open.
Awarning tone also sounds.
X Close all doors and loc kthe vehicle again. Display messages
227On-board computer and displays Z