2008 MERCEDES-BENZ SL55AMG display

388 Practical hints
What to do if …
Left displayRight displayPossible cause/consequencePossible solution
NEngine Oil Level
Stop car,
switch engine off.There is no oil in the engine. There
is a danger of engine damage.Stop the vehicle in a safe location or as soon
as it is safe to do so.
Turn off the engine.
Add engine oil (page 286) and check the
engine oil level (
page 284).
Engine 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.Have excess oil siphoned or drained off.
Observe all legal requirements with respect
to its disposal.
Engine Oil Level
Cannot
measure
eng. oil level.Vehicles with engine oil measuring
system only:
The measuring system is malfunc-
tioning.Have the measuring system checked by an
authorized Mercedes-Benz Center.
Engine Oil Level
Check LevelVehicles with oil dipstick only:
The engine oil has dropped to a crit-
ical level.Check the engine oil level (page 284) and
add oil as required (
page 286).
If you must add engine oil frequently, have the
engine checked for possible leaks.

389 Practical hints
What to do if …
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AFuel Cap
OpenA loss of pressure has been detect-
ed in the fuel system. The fuel cap
may not be closed properly or the
fuel system may be leaky.Check the fuel cap (page 279).
If it is not closed properly:
Close the fuel cap.
If it is closed properly:
Have the fuel system checked by an autho-
rized Mercedes-Benz Center.
KRetract. Roof Oper.
Please Wait
See Oper. Manual
The on-board voltage is too low.Start the engine.
The hardtop drive system was shut
down for safety reasons after multi-
ple, consecutive attempts to raise
or lower the hardtop.After about 10 minutes you can open or close the
retractable hardtop.
Switch on the ignition (page 40).
Repeat the opening or closing procedure.
Retractable Roof
LoweringThe retractable hardtop is not com-
pletely opened or closed. The roof
hydraulics will start to lose pres-
sure.Make sure the retractable hardtop is com-
pletely opened or closed (
page 204).
Retractable Roof
Operation
Only At StandstillYou have attempted to open the re-
tractable hardtop while driving.Stop the vehicle in a safe location and try to
open the hardtop again.

390 Practical hints
What to do if …
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KRetractable Roof
Not Opened/Closed
CompletelyThe retractable hardtop is not
locked properly.Stop the vehicle in a safe location. Observe
the traffic situation around you.
Push or pull on the retractable hardtop switch
until the indicator lamp in the switch goes out
and the retractable hardtop is completely
open or closed (
page 204).
OYou are driving with the hood open.Risk of accident!
Stop the vehicle in a safe location or as soon
as it is safe to do so.
Close the hood (page 283).
IRemove
KeyYou have forgotten to remove the
SmartKey from the starter switch.Remove the SmartKey from the starter
switch.
Replace
KeyThe SmartKey is no longer
functional.Contact an authorized Mercedes-Benz
Center.
FChange
Key BatteriesThe batteries in the SmartKey with
KEYLESS-GO* are discharged.Replace the batteries (page 407).

391 Practical hints
What to do if …
Left displayRight displayPossible cause/consequencePossible solution
FKey
Not DetectedThe SmartKey with KEYLESS-GO* is
not recognized while the engine is
running because:

The SmartKey with
KEYLESS-GO* is not in the vehi-
cle.

There is strong radio-frequency
interference.
Stop the vehicle in a safe location or as soon
as it is safe to do so.
Search for the SmartKey with KEYLESS-GO*.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started again af-
ter the engine is stopped.
Operate the vehicle with the SmartKey with
KEYLESS-GO* in the starter switch.
Key
Not DetectedThe SmartKey with KEYLESS-GO* is
not recognized when attempting to
start the engine with the
KEYLESS-GO start/stop button* on
the gear selector lever because:

The SmartKey with
KEYLESS-GO* is not in the vehi-
cle.

The battery in the SmartKey
with KEYLESS-GO* is not insert-
ed properly or completely dis-
charged.
Change the position of the SmartKey with
KEYLESS-GO* in the vehicle.
Make sure the batteries in the SmartKey with
KEYLESS-GO* are properly inserted
(
page 407) and are not discharged
(
page 113).
Start the engine with the SmartKey with
KEYLESS-GO* in the starter switch if
necessary.

392 Practical hints
What to do if …
Left displayRight displayPossible cause/consequencePossible solution
FKey Detected
In VehicleA SmartKey with KEYLESS-GO* left
in the vehicle was recognized while
locking the vehicle from the out-
side.Take the SmartKey with KEYLESS-GO* out of
the vehicle.
.3rd Brake LampThe high mounted brake lamp is
malfunctioning. This message will
only appear if a critical number of
LEDs have stopped working.Contact an authorized Mercedes-Benz Center
as soon as possible.
AUTO Light
InoperativeThe light sensor is malfunctioning.
The headlamps switch on automati-
cally.Contact an authorized Mercedes-Benz Center
as soon as possible.
To switch off the headlamps (U.S. vehicles only):
In the control system, set lamp operation to
manual mode (
page 163).
Switch on headlamps using the exterior lamp
switch (
page 131).
Brake Lamp
Left
Auxiliary Bulb OnThe left brake lamp is malfunction-
ing. An auxiliary bulb has been
brought into use.Contact an authorized Mercedes-Benz Center
as soon as possible.
Brake Lamp
Right
Auxiliary Bulb OnThe right brake lamp is malfunction-
ing. An auxiliary bulb has been
brought into use.Contact an authorized Mercedes-Benz Center
as soon as possible.

393 Practical hints
What to do if …
Left displayRight displayPossible cause/consequencePossible solution
.Front Foglamp
LeftThe left front fog lamp or left
corner-illuminating front fog lamp*
is malfunctioning.Contact an authorized Mercedes-Benz Center
as soon as possible.
Front Foglamp
RightThe right front fog lamp or right
corner-illuminating front fog lamp*
is malfunctioning.Contact an authorized Mercedes-Benz Center
as soon as possible.
High Beam
LeftThe left high beam lamp is malfunc-
tioning.Replace the bulb as soon as possible
(
page 409).
High Beam
RightThe right high beam lamp is mal-
functioning.Replace the bulb as soon as possible
(
page 409).
License Plate
Lamp – LeftThe left license plate lamp is mal-
functioning.Replace the bulb as soon as possible
(
page 409).
License Plate
Lamp – RightThe right license plate lamp is mal-
functioning.Replace the bulb as soon as possible
(
page 409).
Low Beam
LeftThe left low beam lamp is malfunc-
tioning.Contact an authorized Mercedes-Benz Center
as soon as possible.
Low Beam
RightThe right low beam lamp is malfunc-
tioning.Contact an authorized Mercedes-Benz Center
as soon as possible.
Marker Lamp
Front LeftThe front left side marker lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center
as soon as possible.

394 Practical hints
What to do if …
Left displayRight displayPossible cause/consequencePossible solution
.Marker Lamp
Front RightThe front right side marker lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center
as soon as possible.
Marker Lamp
Rear LeftThe rear left side marker lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center
as soon as possible.
Marker Lamp
Rear RightThe rear right side marker lamp is
malfunctioning.Contact an authorized Mercedes-Benz Center
as soon as possible.
Parking Lamp
Front Left
Auxiliary Bulb OnThe front left parking or standing
lamp is malfunctioning. An auxiliary
bulb has been brought into use.Replace the bulb as soon as possible
(
page 409).
Parking Lamp
Front Right
Auxiliary Bulb OnThe front right parking or standing
lamp is malfunctioning. An auxiliary
bulb has been brought into use.Replace the bulb as soon as possible
(
page 409).
Rear Foglamp
LeftThe left rear fog lamp is malfunc-
tioning. Contact an authorized Mercedes-Benz Center
as soon as possible.
Reverse Lamp
LeftThe left backup lamp is malfunc-
tioning.Replace the bulb as soon as possible
(
page 409).
Reverse Lamp
RightThe right backup lamp is malfunc-
tioning.Replace the bulb as soon as possible
(
page 409).
Tail Lamp
Left
Auxiliary Bulb OnThe left tail lamp is malfunctioning.
An auxiliary bulb has been brought
into use.Contact an authorized Mercedes-Benz Center
as soon as possible.

395 Practical hints
What to do if …
Left displayRight displayPossible cause/consequencePossible solution
.Tail Lamp
Right
Auxiliary Bulb OnThe right tail lamp is malfunction-
ing. An auxiliary bulb has been
brought into use.Contact an authorized Mercedes-Benz Center
as soon as possible.
Turn Signal
Left MirrorThe turn signal in the driver’s side
exterior rear view mirror is malfunc-
tioning. This message will only ap-
pear if all light emitting diodes have
stopped working.Contact an authorized Mercedes-Benz Center
as soon as possible.
Turn Signal
Right MirrorThe turn signal in the passenger
side exterior rear view mirror is mal-
functioning. This message will only
appear if all light emitting diodes
have stopped working.Contact an authorized Mercedes-Benz Center
as soon as possible.
Lights Are
still OnYou have removed the SmartKey
from the starter switch and opened
the driver’s door and left the head-
lamps on or removed the SmartKey
with KEYLESS-GO* from the vehicle
and left the headlamps on.Turn the exterior lamp switch toM
orU.
Turn Signal
Front Left
Auxiliary Bulb OnThe left front turn signal lamp is
malfunctioning. An auxiliary bulb
has been brought into use.Replace the bulb as soon as possible
(
page 409).