MERCEDES-BENZ SLR 2009 R199 Owner's Manual

341 Practical hints
What to do if ...
Left display
Right display
Possible cause/
consequence
Possible solution
•
Coolant
Stop car,

switch engine off.
The coolant is too hot.
Among other possible causes,
the poly-V-belt could be
broken.

Stop the vehicle in a safe location or as soon as it is safe
to do so.

Turn off the engine.

Check the poly-V-belt.
If it is broken:

Do not continue to drive. Otherwise, the engine will over-
heat due to an inoperative water pump which may result
in damage to the engine. Contact an authorized
Mercedes-Benz Center.
If it is intact:

Wait for the message to disappear before restarting the
engine.
Doing otherwise could result in serious engine damage
that is not covered by the Mercedes-Benz Limited War-
ranty.
(Continued on next page)

342 Practical hintsWhat to do if ...
During severe operating conditions and
stop-and-go city traffic, the coolant tem-
perature may rise close to 248°F (120°C).
Left display
Right display
Possible cause/
consequence
Possible solution
Observe the coolant temperature gauge in the
instrument cluster (
page 29).
If the temperature rises again:

Contact an authorized Mercedes-Benz Center
immediately.
Warning!
G
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 open-
ing the 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.
!
The engine should not be operated with the
coolant temperature above 248°F (120°C).
Doing so may cause serious engine damage
which is not covered by the Mercedes-Benz
Limited Warranty.

343 Practical hints
What to do if ...
Left display
Right display
Possible cause/
consequence
Possible solution
•
Differential
Overheated
The differential oil is too hot.

Stop your vehicle immediately in a safe location.

Do not drive any further.

Apply the parking brake (
page 55).

Wait until the instrument cluster display has cleared.
Otherwise you could damage the rear differential.
!
The differential warning should not be
ignored. Extended driving with the symbol
displayed could result in serious rear differential
damage that is not covered by the
Mercedes-Benz Limited Warranty.

344 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
±
Service
Required
Certain electronic systems are
unable to relay information to
the control system. The follow-
ing systems may have failed:

Coolant temperature gauge


Tachometer

Have the electronic systems checked by an authorized
Mercedes-Benz Center immediately.
Fuel System
Malfunction
Service
Required
The fuel cooling system is
malfunctioning.

Contact an authorized Mercedes-Benz Center
immediately.
:
Engine
Oil Pressure
Service
Required
There is no oil in the engine.
There is a danger of engine
damage.

Stop your vehicle immediately in a safe location.

Switch off the engine.

Do not drive any further.

Contact an authorized Mercedes-Benz Center
immediately.
!
The engine oil level warning 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.

345 Practical hints
What to do if ...
Left display
Right display
Possible cause/
consequence
Possible solution
A
Reserve Fuel
The fuel level has fallen into the
reserve range.

Refuel at the next gas station (
page 247).
Fuel Cap
Open
A loss of pressure has been
detected in the fuel system.
The fuel filler cap may not be
closed properly or the fuel sys-
tem may be leaky.

Check the fuel filler cap (
page 247).
If it is not closed properly:

Close the fuel filler cap.
If it is closed properly:

Have the fuel system checked by an authorized
Mercedes-Benz Center.
t
Tel
Enter PIN
You have not yet entered your
PIN in you telephone.

Enter the PIN for your SIM card.
I
Remove
Key
You have forgotten to remove
the SmartKey.

Remove the SmartKey from the starter switch.
Replace
Key
No additional code available for
the SmartKey.

Have the SmartKey checked. Contact an authorized
Mercedes-Benz Center.

346 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
.
3rd Brake Lamp
The high-mounted brake lamp
is malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Brake Lamp
Left
Auxiliary Bulb On
The left brake lamp is malfunc-
tioning. This message will only
appear if a critical number of
LEDs have blown.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Brake Lamp
Right
Auxiliary Bulb On
The right brake lamp is mal-
functioning. This message will
only appear if a critical number
of LEDs have blown.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Front Foglamp
Left
The left front fog lamp is
malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Front Foglamp
Right
The right front fog lamp is
malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Rear Foglamp
Left
The left rear fog lamp is
malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.
High Beam
Left
The left high-beam lamp is
malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.
High Beam
Right
The right high-beam lamp is
malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.

347 Practical hints
What to do if ...
Left display
Right display
Possible cause/
consequence
Possible solution
.
Turn Signal
Left Mirror
The turn signal in the left exteri-
or rear view mirror is malfunc-
tioning. This message will only
appear if all LEDs have stopped
working.

Have the LEDs replaced as soon as possible.
Turn Signal
Right Mirror
The turn signal in the right exte-
rior rear view mirror is
malfunctioning. This message
will only appear if all LEDs have
stopped working.

Have the LEDs replaced as soon as possible.
License Plate
Lamp - Left
The left license plate lamp is
malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.
License Plate
Lamp - Right
The right license plate lamp is
malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.
AUTO Light
Inoperative
The light sensor is malfunction-
ing. The headlamps switch on
automatically.

Contact an authorized Mercedes-Benz Center
immediately.
To switch off the headlamps (U.S. vehicles only):

In the control system, set lamp operation to manual
mode (
page 134).

Switch on headlamps using the exterior lamp switch.

348 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
.
Low Beam
Left
The left low-beam lamp is
malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Low Beam
Right
The right low-beam lamp is
malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Marker Lamp
Front Left
The front left side marker lamp
is malfunctioning.

Replace the bulb as soon as possible.
Marker Lamp
Front Right
The front right side marker
lamp is malfunctioning.

Replace the bulb as soon as possible.
Marker Lamp
Rear Left
The rear left side marker lamp
is malfunctioning.

Replace the bulb as soon as possible.
Marker Lamp
Rear Right
The rear right side marker lamp
is malfunctioning.

Replace the bulb as soon as possible.
Parking Lamp
Front Left
Auxiliary Bulb On
The left front parking lamp is
malfunctioning. An auxiliary
bulb is being used.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Parking Lamp
Front Right
Auxiliary Bulb On
The right front parking lamp is
malfunctioning. An auxiliary
bulb is being used.

Contact an authorized Mercedes-Benz Center as soon as
possible.

349 Practical hints
What to do if ...
Left display
Right display
Possible cause/
consequence
Possible solution
.
Reverse Lamp
Right
The right backup lamp is
malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Reverse Lamp
Left
The left backup lamp is
malfunctioning.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Tail Lamp
Left
Auxiliary Bulb On
The left tail lamp is malfunc-
tioning. This message will only
appear if a critical number of
LEDs have blown.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Tail Lamp
Right
Auxiliary Bulb On
The right tail lamp is malfunc-
tioning. This message will only
appear if a critical number of
LEDs have blown.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Lights Are
Still On
You have removed the Smart-
Key from the starter switch,
opened the driver’s door and
left the exterior lamps on.

Switch off the headlamps.
Switch off lights
or remove key
The exterior lamp switch is set
to U and you have forgotten
to take out the SmartKey. The
parking lamps remain switched
on.

Switch off the headlamps.
or

Remove the SmartKey from the starter switch.

350 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
.
Turn Signal
Front Left
Auxiliary Bulb On
The left front turn signal lamp is
malfunctioning. An auxiliary
bulb is being used.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Turn Signal
Front Right
Auxiliary Bulb On
The right front turn signal lamp
is malfunctioning. An auxiliary
bulb is being used.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Turn Signal
Rear Left
Auxiliary Bulb On
The left rear turn signal lamp is
malfunctioning. An auxiliary
bulb is being used.

Contact an authorized Mercedes-Benz Center as soon as
possible.
Turn Signal
Rear Right
Auxiliary Bulb On
The right rear turn signal lamp
is malfunctioning. An auxiliary
bulb is being used.

Contact an authorized Mercedes-Benz Center as soon as
possible.