2012 MERCEDES-BENZ SLS AMG COUPE check engine light

Warning and indicator lamps in the instrument cluster
BrakesProblemPossible 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.GRisk of accident
There is not enough brake fluid in the brake fluid reservoir.
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 immediately.XObserve the additional messages in the multifunction display
( Y page 165).
Do not add brake fluid. This will not rectify the malfunction.
F
(USA
only)
!
(Canada
only)The indicator
lamp for the
electric
parking brake
flashes and/
or the yellow
warning lamp
for the
electric
parking brake
lights up.GRisk of accident
The electric parking brake is temporarily malfunctioning or
defective.
XObserve the additional display messages in the multifunction
display.GWARNING
Driving with the brake warning lamp illuminated can result in an accident. Have your brake system
checked immediately if the brake warning lamp stays on. 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.
190Displays and operationOn-board computer and displays

EngineProblemPossible causes/consequences and M Solutions;The yellow
Check Engine
warning lamp
lights up while
the engine is
running.There may be a malfunction, for example:
R in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system
The emission limit values may be exceeded and the engine may
be running in emergency mode.XHave the vehicle checked as soon as possible at a qualified
specialist workshop.
i In some states/provinces, you are required by law to
immediately visit a qualified specialist workshop as soon as the
yellow Check Engine warning lamp lights up. If in doubt, check
whether such legal regulations apply in the state/province in
which you are currently driving.
;The yellow
Check Engine
warning lamp
lights up while
the engine is
running. The
smoothness of
the gear change
is restricted.The sub geartrain with the odd gears has failed. The transmission
is in emergency mode.XHave the vehicle checked as soon as possible at a qualified
specialist workshop.çThe red engine
oil temperature
warning lamp
comes on while
the engine is
running. A
warning tone
also sounds.The engine oil temperature has exceeded 284 ‡ (140 †).
The engine is not being cooled sufficiently and may be damaged.XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.XAllow the engine to cool down.194Displays and operationOn-board computer and displays

ProblemPossible causes/consequences and M SolutionsçThe red engine
oil temperature
warning lamp
comes on while
the engine is
running. The
engine oil
temperature is
not displayed.The engine control unit data transfer is malfunctioning.XVisit a qualified specialist workshop.7The yellow
reserve fuel
warning lamp
lights up while
the engine is
running.The fuel level has dropped into the reserve range.XRefuel at the nearest gas station.7
The yellow reserve fuel
warning lamp flashes
while the engine is
running.The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.XCheck that the fuel filler cap is correctly closed.XIf the fuel filler cap is not correctly closed: close the fuel filler
cap.XIf the fuel filler cap is closed: visit a qualified specialist
workshop.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.
! If the coolant temperature exceeds 248 ‡(120 †) do not continue driving. The engine will
otherwise be damaged.
Displays and operation195On-board computer and displaysZ

XPull release lever : for the hood.
The hood is released.
! Make sure that the windshield wipers are
not folded away from the windshield. You
could otherwise damage the windshield
wipers or the hood.
XReach into the gap, pull hood catch
handle ; up and lift the hood.
Closing the hood
GWARNING
When closing the hood, use extreme caution
not to catch hands or fingers. Be careful that
you do not close the hood on anyone.
Make sure the hood is securely engaged
before driving off. Do not continue driving if
the hood can no longer engage after an
accident, for example. The hood could
otherwise come loose while the vehicle is in
motion and injure you and/or others.
XLower the hood and let it fall from a height
of approximately 8 inches (20 cm).XCheck that the hood has engaged properly.
If the hood can be raised slightly, it is not
properly engaged. Open it again and close
it with a little more force.Engine oil
Notes on the oil level
Depending on the driving style, the vehicle
consumes up to 0.9 US qts (0.8 l) of oil over
a distance of 600 miles (1000 km). The oil
consumption may be higher than this when
the vehicle is new or if you frequently drive at
high engine speeds.
Checking the oil level using the oil
dipstick
When checking the oil level:
R park the vehicle on a level surface.
R the engine should be switched off for
approximately five minutes if the engine is
at normal operating temperature.
XUnscrew and remove oil filler cap : with
the integrated dipstick.XWipe the oil dipstick.XScrew oil filler cap : back all the way to
the stop.XUnscrew oil filler cap : again and read the
dipstick.
The oil level is correct if the level is between
MIN mark = and MAX mark ;.XAdd oil if necessary.Engine compartment219Maintenance and careZ