2006 MERCEDES-BENZ SL600 Owner's Manual

368 Practical hintsWhat to do if …Left display
Right display
Possible cause/consequence
Possible solution
•
Coolant
Visit
workshop
The cooling fan for the coolant is
malfunctioning.

Observe the coolant temperature gauge.

Have the fan replaced as soon as possible.
G
Display malfunction
Visit
workshop!
The displays for several systems
have malfunctioned. Some systems
themselves may also have malfunc-
tioned.

Continue driving with added caution.
When the display is malfunctioning, warnings
and malfunction messages might not be dis-
played.

Have the electronic systems checked by an
authorized Mercedes-Benz Center.
±
Display malfunction
Visit workshop
Certain electronic systems are un-
able to relay information to the con-
trol system. The following systems
may have failed:

Coolant temperature gauge


Tachometer


Cruise control display

Have the electronic systems checked by an
authorized Mercedes-Benz Center
(page 335).

369 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
J
Door open
You are attempting to drive with
one or more doors open.

Close the doors.
_
Entry position
Do not drive
The steering wheel has not yet
moved into its preset driving posi-
tion.

Wait until the steering wheel has moved to its
driving positions.
The message disappears.
N
USA only:Add 1 qt. engine oil
at next refuelingCanada only:Add 1 liter
engine oil
at next refueling
The engine oil level is too low.

Add engine oil (
page 276) and check the
engine oil level (page 274).
Engine oil level
Stop, put engine off
There is no oil in the engine. There
is a danger of engine damage.

Carefully bring the vehicle to a halt as soon as
possible.

Turn off the engine.

Add engine oil (
page 276) and check the
engine oil level (page 274).
Engine oil level
Reduce
oil level
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. Ob-
serve all legal requirements with respect to its
disposal.

370 Practical hintsWhat to do if …When the message
Add 1 qt engine oil
at next refueling (Canada:
1l
) appears
while the engine is running and at
operating temperature, the engine oil level
has dropped to approximately the
minimum level.When this occurs, the warning will first
come on intermittently and then stay on if
the oil level drops further.
If no oil leaks are noted, continue to drive
to the nearest service station where the
engine oil should be topped to the required
level with an approved oil specified in the
Factory Approved Service Products pam-
phlet.
Left display
Right display
Possible cause/consequence
Possible solution
N
Engine oil
Visit workshop!
It may be that there is water in the
engine oil.

Have the engine oil checked.
Engine oil level
Visit workshop
The engine oil has dropped to a crit-
ical level.

Check the engine oil level (
page 274) and
add oil as required (
page 276).

If you must add engine oil frequently, have the
engine checked for possible leaks.
The measuring system is malfunc-
tioning.

Have the measuring system checked by an
authorized Mercedes-Benz Center.
!The 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.

371 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
A
Reserve fuel
The fuel level has dropped below
the reserve mark.

Refuel at the next gas station (
page 269).
Check
fuel cap
See Oper. Manual
A 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 269).
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.
K
being lowered
The 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 195).
Lock
retractable roof
The retractable hardtop is not
locked properly.

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 195).
locked
in driving mode
You have attempted to open the re-
tractable hardtop while driving.

Stop the vehicle in a safe location and try to
open the hardtop again.
Visit
workshop
The retractable hardtop is malfunc-
tioning.

Have the retractable hardtop checked by an
authorized Mercedes-Benz Center.

372 Practical hintsWhat to do if …Left display
Right display
Possible cause/consequence
Possible solution
O
Close hood
You are driving with the hood open.

Close the hood (
page 273).
I
Remove
key
You have forgotten to remove the
SmartKey from the starter switch.

Remove the SmartKey from the starter
switch.
Replace
key
The batteries in the SmartKey are
discharged.

Change the batteries (
page 389).
F
Key
Check battery
The batteries in the SmartKey with
KEYLESS-GO* are discharged.

Change the batteries (
page 389).
Don’t forget
key
This message appears (for a maxi-
mum of 60 seconds) if the driver’s
door is opened with the engine shut
off and no SmartKey in the starter
switch.
Message is only a reminder.

Insert SmartKey in the starter switch.

Take the SmartKey with KEYLESS-GO* with
you when leaving the vehicle.
KEYLESS GO
Check system
The KEYLESS-GO* system is mal-
functioning.

Visit an authorized Mercedes-Benz Center as
soon as possible.
KEYLESS-GO
Drive to
workshop
The KEYLESS-GO* system is mal-
functioning.

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

373 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
F
Key
not detected
The 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 as soon as it is safe to do so.

Search for the SmartKey with KEYLESS-GO*
or continue to operate the vehicle with the
SmartKey.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started again af-
ter the engine is stopped.
Key
not detected
The 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 battery in the SmartKey with
KEYLESS-GO* is properly inserted
(page 390) and is not discharged
(page 106).

Operate the vehicle with the SmartKey if
necessary.

374 Practical hintsWhat to do if …Left display
Right display
Possible cause/consequence
Possible solution
F
Key
still
in vehicle
A 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 lamp
The high mounted brake lamp is
malfunctioning.

Visit an authorized Mercedes-Benz Center as
soon as possible.
Brake lamp
Left
Substitute
bulb on
The left brake lamp is malfunction-
ing. A substitute bulb has been
brought into use.

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

375 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
.
Brake lamp
Right
Substitute
bulb on
The right brake lamp is malfunction-
ing. A substitute bulb has been
brought into use.

Visit an authorized Mercedes-Benz Center as
soon as possible.
Brake lamp
!
Drive to
workshop!
Brake lamp illumination is delayed
or lamp is permanently on.

Visit an authorized Mercedes-Benz Center as
soon as possible.
Front foglamp
Left
The left front fog lamp is malfunc-
tioning.

Replace the bulb as soon as possible.
Front foglamp
Right
The right front fog lamp is malfunc-
tioning.

Replace the bulb as soon as possible.
High beam
Left
The left high beam lamp is malfunc-
tioning.

Replace the bulb as soon as possible.
High beam
Right
The right high beam lamp is mal-
functioning.

Replace the bulb as soon as possible.
Left turn signal
Mirror
The left turn signal in the side mirror
is malfunctioning. This message will
only appear if all light emitting di-
odes have stopped working.

Have the LEDs replaced as soon as possible.