2011 MERCEDES-BENZ SL CLASS check engine
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VehicleDisplay messagesPossible causes/consequences and 0050 SolutionsPGear
Selector
Lever To PYou have attempted to start the engine with the KEYLESS-GO
start/stop button while the automatic transmission was not
in park position P.XShift the automatic transmission into park position P.You have attempted to turn off the engine with the KEYLESS-
GO start/stop button while the automatic transmission was
not in park position P.XShift the automatic transmission into park position P.Close RearSide
WindowsYou are getting out of the vehicle and a rear side window is
still open.XClose the rear side window ( Y page 97).
Tires
Display messagesPossible causes/consequences and 0050 SolutionsTire
pressuredisplayed
after
driving
for a few
minutes.The tire inflation pressure is being checked by the Advanced
TPMS.XDrive the vehicle for a few minutes.Tire
Pressure
MonitorInoperativ
eThe Advanced TPMS is malfunctioning.XHave the Advanced TPMS checked at an authorized
Mercedes-Benz Center.Tire
Pressure
MonitorInoperativ
e No
Wheel
SensorsThere are wheels without appropriate wheel sensors mounted
(e.g. winter tires).XHave the Advanced TPMS checked at an authorized
Mercedes-Benz Center.XHave the appropriate wheel sensors installed at an
authorized Mercedes-Benz Center.234Vehicle status messages in the multifunction displayPractical hints
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Display messagesPossible causes/consequences and 0050 Solutions0027
(USA only)
004D
(Canada
only)Check
Brake
Fluid
LevelThere is insufficient brake fluid in the reservoir.
Risk of accident!XStop the vehicle in a safe location or as soon as it is safe
to do so.XDo not drive any further.XContact an authorized Mercedes-Benz Center or call
Roadside Assistance.
Do not add brake fluid! This will not solve the problem.
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.
! If you find that the brake fluid in the brake
fluid reservoir has fallen to the minimum
mark or below, have the brake system
checked for brake pad thickness and leaks.Display messagesPossible causes/consequences and 0050 Solutions0027
(USA only)
004D
(Canada
only)Brake
Service
RequiredThere are malfunctions, but the electro-hydraulic brake
system is operating normally.XContact an authorized Mercedes-Benz Center as soon as
possible.0027
(USA only)
004D
(Canada
only)Brakes
Overheated
Drive
on, but
with even
greater
care.The brake system is overheated due to an excessive load on
the brakes.
Relieve the load on the brake system:XDrive more smoothly and think ahead to avoid unnecessary
braking.XWhen driving down steep grades, shift into a lower gear to
use the engine’s braking power ( Y page 108).XCautiously continue driving so that the air stream will cool
down the brakes.0027
(USA only)
0024
(Canada
only)Release
Parking
BrakeYou are driving with the parking brake engaged.XRelease the parking brake.Vehicle status messages in the multifunction display239Practical hints230_AKB; 6; 22, en-USd2ureepe,Version: 2.11.8.12009-07-28T18:49:58+02:00 - Seite 239Z
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VehicleDisplay messagesPossible causes/consequences and 0050 Solutions0084The trunk is open.XClose the trunk ( Y page 75).005AYou are driving with the hood open.XStop the vehicle in a safe location as soon as it is safe to
do so.XClose the hood ( Y page 181).
There is otherwise danger of an accident.
0085You are driving with the hood and the trunk open.XStop the vehicle in a safe location as soon as it is safe to
do so.XClose the hood ( Y page 181) or the trunk ( Y page 75).
There is otherwise danger of an accident.
0051You are driving with at least one door open.XClose all doors.0051Check
DoorsVehicles with KEYLESS-GO:
You are pressing the lock button on the door handle and at
least one door is open.XClose all doors.0059Retract.
Roof Oper.
Please
Wait
See Oper.
ManualThe on-board voltage is too low.XRepeat the opening or closing procedure.XStart the engine.The hardtop drive system was shut down for safety reasons
after multiple, consecutive attempts to raise or lower the
hardtop.
After about 10 minutes you can open or close the retractable
hardtop.XSwitch on the ignition.XRepeat the opening or closing procedure.XIf the retractable hardtop still does not open or close
properly, have the hardtop system checked at an
authorized Mercedes-Benz Center.0059Retractabl
e Roof
LoweringThe retractable hardtop is not completely opened or closed.
The roof hydraulics will start to lose pressure.XMake sure the retractable hardtop is completely opened or
closed ( Y page 155).Vehicle status messages in the multifunction display241Practical hints230_AKB; 6; 22, en-USd2ureepe,Version: 2.11.8.12009-07-28T18:49:58+02:00 - Seite 241Z
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Display messagesPossible causes/consequences and 0050 Solutions0059Retractabl
e Roof
Operation
Only At
StandstillYou have attempted to open the retractable hardtop while
driving.XStop the vehicle in a safe location and try to open the
hardtop again.0059Retractabl
e Roof
Not
Opened/
Closed
CompletelyYou are driving with the retractable hardtop not properly
locked.XStop the vehicle in a safe location. Observe the traffic
situation around you.XPull or push on the retractable hardtop switch until the
retractable hardtop is completely open or closed
( Y page 155).XIf the retractable hardtop still does lock properly, have the
hardtop system checked at an authorized Mercedes-Benz
Center.0058Trunk
Partition
OpenYou are trying to open or close the retractable hardtop even
though the luggage cover in the trunk is not closed and/or
properly engaged.XClose the luggage cover and engage it into the side holders
( Y page 158).0039Key
Detected
In VehicleA SmartKey with KEYLESS-GO left in the vehicle was
recognized while trying to lock the vehicle from the outside.XTake the SmartKey out of the vehicle.0039Remove KeyYou have forgotten to remove the SmartKey.XRemove the SmartKey from the starter switch.0039Replace
KeyThe SmartKey is malfunctioning.XContact an authorized Mercedes-Benz Center.0039Change
Key
BatteriesThe batteries in the SmartKey with KEYLESS-GO are
discharged.XReplace the batteries ( Y page 269).0039Key Not
Detected
(message
appears in
red)The SmartKey with KEYLESS-GO is not detected while the
engine is running because the SmartKey is not in the vehicle.XStop the vehicle as soon as it is safe to do so.XEngage the parking brake.XSearch for the SmartKey.
The vehicle cannot be locked centrally nor can the engine
be started again after the engine is stopped.242Vehicle status messages in the multifunction displayPractical hints
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EngineDisplay messagesPossible causes/consequences and 0050 Solutions00AF
or
00BBEngine
ServiceThere may be a malfunction in
R the fuel management system
R the ignition system
R the exhaust system
R the fuel systemXHave the engine checkedas soon as possible at an
authorized Mercedes-Benz Center.00BBService
RequiredCertain electronic systems are unable to relay information to
the control system. The coolant temperature display or the
tachometer may have failed.XHave the electronic systems checked at an authorized
Mercedes-Benz Center.00BFTop Up
Coolant
See Oper.
ManualThe coolant level is too low.XAdd coolant ( Y page 184).XIf you have to add coolant frequently, have the cooling
system checked at an authorized Mercedes-Benz Center.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.
! Do not ignore the low engine coolant level warning. Extended driving with the message
and symbol displayed may cause serious engine damage not covered by the Mercedes-Benz
Limited Warranty.
Do not drive without sufficient amount of coolant in the cooling system. The engine will
overheat causing major engine damage.
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Display messagesPossible causes/consequences and 0050 Solutions00AECoolant
Stop car,
switch
engine
off.The poly-V-belt could be broken.XStop the vehicle immediately as soon as it is safe to do so.XTurn off the engine immediately.XCheck the poly-V-belt.XIf it is broken: Do not continue to drive. Otherwise the
engine will overheat due to an inoperative water pump
which may result in damage to the engine. Contact an
authorized Mercedes-Benz Center.XIf it is intact: Do not continue to drive the vehicle with this
message displayed. Doing so could result in serious engine
damage that is not covered by the Mercedes-Benz Limited
Warranty.XObserve the coolant temperature gauge in the instrument
cluster.XDrive to the nearest authorized Mercedes-Benz Center
immediately.00AEThe radiator cooling fan is malfunctioning.XObserve the coolant temperature gauge in the instrument
cluster.
If the coolant temperature is below 248‡ (120†), you may
continue driving to an authorized Mercedes-Benz Center.XAvoid placing heavy loads on the engine (e.g. by driving
uphill) as well as stop-and-go traffic.XHave the fan replaced as soon as possible.246Vehicle status messages in the multifunction displayPractical hints
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Display messagesPossible causes/consequences and 0050 Solutions003FThe battery is no longer charging.
Possible causes:
R alternator malfunctioning
R broken poly-V-belt
R a malfunction in the electronic system
Do not forget that the brake system requires electrical energy
and may be operating with restricted capability. Considerably
greater brake pedal force is required and the stopping
distance is increased.XStop immediately in a safe location or as soon as it is safe
to do so and check the poly-V-belt.XIf it is broken: Do not continue to drive. Otherwise the
engine will overheat due to an inoperative water pump
which may result in damage to the engine. Contact an
authorized Mercedes-Benz Center.XIf it is intact: Drive to the nearest authorized Mercedes-
Benz Center immediately. Adjust driving to be consistent
with reduced braking responsiveness.003FBattery/
Alternator
Stop CarThe battery is defective.
The electro-hydraulic brake system requires electrical energy
and therefore has only limited operation. Considerably
greater brake pedal force is required and the stopping
distance is increased.XStop the vehicle in a safe location or as soon as it is safe
to do so.XAdjust driving to be consistent with reduced braking
responsiveness.XContact an authorized Mercedes-Benz Center.00B4Engine
Oil Level
Check
LevelVehicles with oil dipstick only:
The engine oil has dropped to a critical level.XCheck the engine oil level ( Y page 181) and add engine oil
as required ( Y page 183).XIf you must add engine oil frequently, have the engine
checked for possible leaks.Vehicle status messages in the multifunction display247Practical hints230_AKB; 6; 22, en-USd2ureepe,Version: 2.11.8.12009-07-28T18:49:58+02:00 - Seite 247Z
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Display messagesPossible causes/consequences and 0050 Solutions00B4Add 1 qt
engine
oil at
next
refueling.
(USA only)
Add 1
liter
engine
oil at
next
refueling.
(Canada
only)Vehicles with engine oil measuring system only:
The engine oil level is too low.XAdd engine oil ( Y page 183) and check the engine oil level
( Y page 181).XIf you must add engine oil frequently, have the engine
checked for possible leaks.If the message Add 1 qt (Canada: 1 liter)
engine oil at next refueling or
Engine Oil Level Check Level appears
while the engine is running and at operating
temperature, the engine oil level has dropped
to approximately the minimum level.
The message will be stored in the vehicle
status message memory after you have
cleared it from the multifunction display.
Visually check for oil leaks. If there are no
obvious oil leaks, drive to the nearest servicestation to refill your engine oil to the required
level.
For information on approved engine oils
contact an authorized Mercedes-Benz Center
or visit www.mbusa.com (USA only).
! Engine oil level warnings should not be
ignored. Extended driving with the symbol
displayed could result in serious engine
damage that is not covered by the
Mercedes-Benz Limited Warranty.Display messagesPossible causes/consequences and 0050 Solutions00B4Engine
Oil Level
Cannot
measure
eng. oil
level.Vehicles with engine oil measuring system only:
The measuring system is malfunctioning.XHave the measuring system checked at an authorized
Mercedes-Benz Center.00B4Engine
Oil Level
Reduce
Oil LevelVehicles with engine oil measuring system only:
You have added too much engine oil. There is a risk of
damaging the engine or the catalytic converter.XHave oil siphoned or drained off. Observe all legal
requirements with respect to its disposal.248Vehicle status messages in the multifunction displayPractical hints
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