2012 MERCEDES-BENZ SLS AMG COUPE warning lights

Deactivating the delayed switch-off
temporarily:XSelect key position 0 with the Start/Stop
button before leaving the vehicle.XSelect key position 2 and then key position
0 again with the Start/Stop button
The delayed switch-off is deactivated.
Delayed switch-off is reactivated the next
time you start the engine.
Activating/deactivating the interior
lighting delayed switch-off
If you select key position 0 with the Start/
Stop button when the Light. Delay
function is activated, the interior lighting
lights up for approximately 20 seconds if it is
dark.
XPress the = or ; button on the
steering wheel to select the Settings
menu.XPress the : or 9 button to select the
Light submenu.XPress the a button to confirm.XPress the : or 9 button to select the
Interior lighting delay sw. off
function.
You will see the selected setting: Enabled
or Disabled .XPress the a button to save the setting.
Vehicle
Activating/deactivating the automatic
door locking mechanism
If you select the Automatic Door Lock:
function, the vehicle is centrally locked above
a speed of around 9 mph(15 km/h).
i For further information on the automatic
locking feature, see ( Y page 71).
XPress the = or ; button on the
steering wheel to select the Settings
menu.XPress the : or 9 button to select the
Vehicle submenu.XPress the a button to confirm.XPress the : or 9 button to select the
Automatic door locks function.
You will see the selected setting: Enabled
or Disabled .XPress the a button to save the setting.
Activating/deactivating the acoustic
locking verification signal
You can use the Acoustic Lock function to
determine whether there is an acoustic
confirmation when locking and unlocking the
vehicle.
XPress the = or ; button on the
steering wheel to select the Settings
menu.XPress the : or 9 button to select the
VEHICLE submenu.XPress the a button to confirm.XPress the : or 9 button to select the
Acoustic Lock function.
You will see the selected setting:
Activated or Deactivated .XPress the a button to save the setting.
Convenience
Activating/deactivating the EASY-
ENTRY/EXIT feature
GWARNING
You must make sure no one can become
trapped or injured by the moving steering
wheel when the easy-entry/exit feature is
activated.
To stop steering wheel movement, move
steering wheel adjustment lever or press one
of the memory position buttons.
Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Children could open the driver's door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
You can use the Easy Entry/Exit: function
to activate or deactivate the EASY-ENTRY/
EXIT feature ( Y page 88).
Displays and operation159On-board computer and displaysZ

Display messagesPossible causes/consequences and M Solutions! The indicator lamp (red) flashes, the warning lamp (yellow)
lights up and a warning tone sounds.
The electric parking brake is malfunctioning and the braking effect
is restricted.
While the vehicle is in motion:XRelease the electric parking brake handle.
While the vehicle is stationary:
XSwitch off the ignition and turn it back on.XRelease the electric parking brake.
If the display message continues to be displayed:
XShift the transmission to P using the button on the center
console.XPrevent the vehicle from rolling away before you leave it.XConsult a qualified specialist workshop.! The indicator lamp (red) flashes and a warning tone sounds.
You are making an emergency stop using the electric parking
brake.XAfter the emergency stop: release the electric parking brake
lever.F (USA only)
! (Canada only)
Parking Brake See
Oper. Manual! The warning lamp (yellow) lights up. Additionally the
indicator lamp (red) lights up.
The electric parking brake is malfunctioning.
To release:XPull the electric parking brake handle.
or
XPull away carefully.XVisit a qualified specialist workshop.
To apply:
XSwitch off the ignition.XPull the electric parking brake lever for at least ten seconds,
until the display message disappears.
If the display message continues to be displayed:
XShift the transmission to P using the button on the center
console.XPrevent the vehicle from rolling away before you leave it.XConsult a qualified specialist workshop.166Displays and operationOn-board computer and displays

Display messagesPossible causes/consequences and M Solutions! The indicator lamp (red) flashes.
The power supply for the electric parking brake was interrupted.XPull the electric parking brake handle.
or
XPull away carefully.
or
XPull the electric parking brake handle until the display message
disappears.! The indicator lamp (red) flashes and the warning lamp
(yellow) lights up.
The electric parking brake is malfunctioning.XSwitch off the ignition and turn it back on.XEngage or release the electric parking brake.
or
XPull away carefully.XVisit a qualified specialist workshop.! The warning lamp (yellow) lights up. In addition, the indicator
lamp (red) flashes for about 10 seconds after the electric parking
brake has been engaged or released. It then goes out or remains
lit.
The electric parking brake is malfunctioning, e.g. because of
overvoltage or undervoltage.XPull away carefully.XVisit a qualified specialist workshop.
If there is overvoltage or undervoltage:
XRemove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.XSwitch the ignition off and on, and then engage or release the
electric parking brake.
If this does not release the electric parking brake:
XDo not drive on.XConsult a qualified specialist workshop.Displays and operation167On-board computer and displaysZ

Display messagesPossible causes/consequences and M Solutions! The warning lamp (yellow) lights up. In addition, the indicator
lamp (red) flashes for about 10 seconds after the electric parking
brake has been engaged or released. It then goes out or remains
lit.
The electric parking brake has overheated.XAllow the vehicle to cool down. Do not engage or release the
electric parking brake during this time.XPrevent the vehicle from rolling away before you leave it.XWhen the vehicle has cooled down: switch the ignition off and
on again, then engage or release the electric parking brake.F (USA only)
! (Canada only)
Parking Brake
Inoperative! The warning lamp (yellow) lights up. In addition, the indicator
lamp (red) flashes for about 10 seconds after the electric parking
brake has been engaged or released. It then goes out or remains
lit.
The electric parking brake is malfunctioning.XSwitch the ignition off and on, and then engage the electric
parking brake.
If it is not possible to engage the electric parking brake:
XShift the transmission to P using the button on the center
console.XPrevent the vehicle from rolling away before you leave it.XVisit a qualified specialist workshop.F (USA only)
! (Canada only)
Turn On the
Ignition to
Release the
Parking Brake! The indicator lamp (red) flashes.
You attempted to release the electric parking brake while the
ignition was switched off.XSwitch on the ignition.168Displays and operationOn-board computer and displays

Display messagesPossible causes/consequences and M SolutionsF (USA only)
J (Canada only)
Check Brake Fluid
LevelGRisk of accident
There is not enough brake fluid in the brake fluid reservoir. In
addition, the J indicator lamp in the instrument cluster lights
up and a warning tone sounds.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.XConsult a qualified specialist workshop.
Do not add brake fluid. This will not rectify the malfunction.
#
Check Brake Pad
WearThe brake pads/linings have reached their wear limit.XVisit a qualified specialist workshop.GWARNING
Driving with the message Check Brake Fluid Level displayed can result in an accident. Have
your brake system checked immediately.
Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can
result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be
seriously burned.
Displays and operation169On-board computer and displaysZ

Display messagesPossible causes/consequences and M SolutionsG
Tele Aid
InoperativeOne or more main features of the mbrace system are
malfunctioning.XHave the mbrace system checked immediately at a qualified
specialist workshop.6
SRS Malfunction
Service RequiredGRisk of injury
There is a malfunction in the SRS (Supplemental Restraint
System). The 6 warning lamp also lights up in the instrument
cluster.
XVisit a qualified specialist workshop.6
Front Left SRS
Malfunction
Service Required
or
Front Right SRS
Malfunction
Service RequiredGRisk of injury
SRS has malfunctioned at the front on the left or right. The 6
warning lamp also lights up in the instrument cluster.
XVisit a qualified specialist workshop.GWARNING
In the event a malfunction of the SRS is indicated as outlined above, the SRS may not be
operational.
For your safety, we strongly recommend that you contact an authorized Mercedes-Benz Center
immediately to have the system checked. Otherwise the SRS may not be activated when needed
in an accident, which could result in serious or fatal injury, or it might deploy unexpectedly and
unnecessarily which could also result in injury.
Lights
i Display messages about LEDs:
The display message will only appear if all or a number of LEDs have failed.
Displays and operation173On-board computer and displaysZ

Display messagesPossible causes/consequences and M Solutionsb
Check Front Left
Sidemarker Lamp
or
Check Front Right
Sidemarker Lamp The left or right front side marker lamp is defective.XVisit a qualified specialist workshop.b
Check Rear Left
Sidemarker Lamp
or
Check Rear Right
Sidemarker LampThe rear left or right side marker lamp is defective.XVisit a qualified specialist workshop.b
Check Front Left
Parking Lamp
or
Check Front Right
Parking LampThe front left or front right parking or standing lamp is defective.XVisit a qualified specialist workshop.b
Switch off lightsThe lights are still switched on when you leave the vehicle. A
warning tone also sounds.XTurn the light switch to c.b
Malfunction See
Operator's ManualThe exterior lighting is defective.XVisit a qualified specialist workshop.
Engine
GWARNING
Driving when your engine is overheated can cause some fluids which may have leaked into the
engine compartment to catch fire. You could be seriously burned.
Steam from an overheated engine can cause serious burns which can occur just by opening the
engine hood. Stay away from the engine if you see or hear steam coming from it.
Stop the vehicle in a safe location away from other traffic. Turn off the engine, get out of the
vehicle and do not stand near the vehicle until the engine has cooled down.
GWARNING
Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn
if it comes into contact with hot engine parts. You could be seriously burned.
176Displays and operationOn-board computer and displays

Display messagesPossible causes/consequences and M Solutions?
Coolant Low Stop
Vehicle Turn
Engine OffThe coolant is too hot. In addition, the ? warning lamp in the
instrument cluster lights up and a warning tone sounds.XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.XMake sure that the air supply to the radiator is not blocked, e.g.
by snow, slush or ice.XWait until the display message disappears before restarting the
engine. Otherwise, the engine could be damaged.XPay attention to the coolant temperature display.XIf the coolant temperature increases again, visit a qualified
specialist workshop immediately.
! If the coolant temperature is over 248 ‡ (120 †), do not
continue driving. The engine will otherwise be damaged.
The poly-V-belt may have torn. A warning tone also sounds.XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.XCheck the poly-V-belt.XIf the poly-V-belt is not damaged: do not start the engine
again until the display message disappears. Otherwise, the
engine could be damaged.XIf the poly-V-belt is torn: do not continue driving. Consult a
qualified specialist workshop.?The engine fan is defective.XAt coolant temperatures under 248 ‡(120 †), drive to the next
qualified specialist workshop.XAvoid subjecting the engine to heavy loads (e.g. driving in
mountainous terrain) and stop-and-go driving.Displays and operation177On-board computer and displaysZ