visit workshop MERCEDES-BENZ SL500 2005 R230 User Guide

353 Practical hints
What to do if …
Left display
Right display
Possible cause
Possible solution
•
Coolant
Stop, put engine off!
The poly-V-belt could be broken.

Stop immediately and check the poly-V-belt.
If it is broken:

Do not continue to drive. Otherwise, the en-
gine will overheat due to an inoperative water
pump which may result in damage to the en-
gine. Notify an authorized Mercedes-Benz
Center.
If it is intact:

Do not continue to drive with this message
displayed. Doing so could result in serious en-
gine damage that is not covered by the
Mercedes-Benz Limited Warranty.
•
Coolant
Visit
workshop
The cooling fan for the coolant is
malfunctioning.

Observe the coolant temperature gauge.

Have the fan replaced as soon as possible.

354 Practical hintsWhat to do if …Left display
Right display
Possible cause
Possible solution
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 327).
J
Door open
You are attempting to drive with
one or more doors open.

Close the doors.
_
Entry position
Do not drive
Seat, mirrors and steering wheel
have not yet moved into their preset
driving positions.

Wait until the seat, mirrors and steering wheel
have moved to their driving positions.
The message disappears.

356 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
Suggested solution
:
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 272) and
add oil as required (
page 274).

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.

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

Refuel at the next gas station (
page 267).
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 267).
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
Visit
workshop
The retractable hardtop is malfunc-
tioning.

Have the retractable hardtop checked by an
authorized Mercedes-Benz Center.
K
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 196).
O
Close hood
You are driving with the hood open.

Close the hood (
page 271).
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 377).

358 Practical hintsWhat to do if …Left display
Right display
Possible cause
Possible solution
F
Key
Check battery
The batteries in the SmartKey with
KEYLESS-GO* are discharged.

Change the batteries (
page 377).
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.

360 Practical hintsWhat to do if …Left display
Right display
Possible cause
Possible solution
.
Brake lamp
Right
Auxiliary
lamp on!
The right brake lamp is malfunction-
ing. An auxiliary lamp 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.
Rear foglamp
Left
The left rear 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
T h e l e f t t u r n s i g n a l i n t h e s i d e m i r r o r
is malfunctioning. This message will
only appear if all light emitting di-
odes have stopped working.

Have the LEDs replaced as soon as possible.

361 Practical hints
What to do if …
Left display
Right display
Possible cause
Possible solution
.
License plate
lamp, L
The left license plate lamp is mal-
functioning.

Replace the bulb as soon as possible.
License plate
lamp, R
The right license plate lamp is mal-
functioning.

Replace the bulb as soon as possible.
Light sensor
Drive to
workshop!
The light sensor is malfunctioning.
The headlamps switch on automati-
cally.

In the control system, set lamp operation to
manual (
page 152).

Switch on headlamps using the exterior lamp
switch.

Visit an authorized Mercedes-Benz Center as
soon as possible.
Low beam
Left
The left low beam lamp is malfunc-
tioning.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:

Visit an authorized Mercedes-Benz Center as
soon as possible.
Low beam
Right
The right low beam lamp is malfunc-
tioning.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:

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

364 Practical hintsWhat to do if …Left display
Right display
Possible cause
Possible solution
.
Turn signal
Rear right
Auxiliary
lamp on!
The right rear turn signal lamp is
malfunctioning. An auxiliary lamp
has been brought into use.

Replace the bulb as soon as possible.
Visit workshop!
The display for the lights is malfunc-
tioning.

Visit an authorized Mercedes-Benz Center as
soon as possible.
C
Raise
roll-over bar
The roll bar is malfunctioning.

Raise the roll bar using the roll bar button
(page 73).

Have the roll bar checked by an authorized
Mercedes-Benz Center.
<
Seat belt system
Drive to
workshop
The seat belt system is malfunction-
ing.

Visit an authorized Mercedes-Benz Center as
soon as possible.
L
TeleAid
Drive to
workshop
One or more main functions of the
Tele Aid system are malfunctioning.

Have the Tele Aid system checked by an au-
thorized Mercedes-Benz Center.
ì
Function
unavailable
This display appears if button ì
or í on the multifunction steer-
ing wheel is pressed and the vehicle
is not equipped with a telephone.