2007 MERCEDES-BENZ SLR CLASS Owners Manual

336 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
•Coolant
Stop car –

Turn 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 Warranty.
(Continued on next page)

337 Practical hints
What 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 displayRight displayPossible cause/
consequencePossible 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.

338 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
•Differential
overheatedThe 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.

339 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
±Visit
workshopCertain 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
Visit
workshopThe fuel cooling system is
malfunctioning.Contact an authorized Mercedes-Benz Center
immediately.
:Engine oil pressure
Visit
workshopThere 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.

340 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
AReserve fuelThe fuel level has fallen into the
reserve range.Refuel at the next gas station (page 247).
Fuel cap
openA loss of pressure has been
detected in the fuel system.
The fuel cap may not be closed
properly or the fuel system may
be leaky.Check the fuel cap (page 247).
If it is not closed properly:
Close the fuel cap.
If it is closed properly:
Have the fuel system checked by an authorized
Mercedes-Benz Center.
ìTel
Enter PINYou have not yet entered your
PIN in you telephone.Enter the PIN for your SIM card.
IRemove
keyYou have forgotten to remove
the SmartKey.Remove the SmartKey from the starter switch.
Replace
keyNo additional code available for
the SmartKey.Have the SmartKey checked. Contact an authorized
Mercedes-Benz Center.

341 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
.3rd brake lampThe high mounted brake lamp
is malfunctioning.Contact an authorized Mercedes-Benz Center as soon as
possible.
Brake lamp
left
Auxiliary bulb onThe 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 onThe 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
leftThe left front fog lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center as soon as
possible.
Front foglamp
rightThe right front fog lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center as soon as
possible.
Rear foglamp
leftThe left rear fog lamp is
malfunctioning. Contact an authorized Mercedes-Benz Center as soon as
possible.
High beam
leftThe left high beam lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center as soon as
possible.
High beam
rightThe right high beam lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center as soon as
possible.

342 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
.Turn signal
left mirrorThe 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 mirrorThe 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 - leftThe left license plate lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center as soon as
possible.
License plate
lamp - rightThe right license plate lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center as soon as
possible.
AUTO light
inoperativeThe light sensor is malfunction-
ing. The headlamps switch on
automatically.In the control system, set lamp operation to manual
mode (
page 134).
Switch on headlamps using the exterior lamp switch.
Contact an authorized Mercedes-Benz Center
immediately.

343 Practical hints
What to do if ...
Left displayRight displayPossible cause/
consequencePossible solution
.Low beam
leftThe left low beam lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center as soon as
possible.
Low beam
rightThe right low beam lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center as soon as
possible.
Marker lamp
front leftThe front left side marker lamp
is malfunctioning.Replace the bulb as soon as possible.
Marker lamp
front rightThe front right side marker
lamp is malfunctioning.Replace the bulb as soon as possible.
Marker lamp
rear leftThe rear left side marker lamp
is malfunctioning.Replace the bulb as soon as possible.
Marker lamp
rear rightThe rear right side marker lamp
is malfunctioning.Replace the bulb as soon as possible.
Parking lamp
front left
Auxiliary bulb onThe 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 onThe right front parking lamp is
malfunctioning. An auxiliary
bulb is being used.Contact an authorized Mercedes-Benz Center as soon as
possible.