2007 MERCEDES-BENZ CLS63AMG Owner's Manual

376 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
Z
The cooling fan for the coolant is
malfunctioning.

Observe the coolant temperature indicator in the
instrument cluster (
page 26).
If the coolant temperature is under 120°C, you may
continue driving to an authorized Mercedes-Benz
Center.

Avoid placing heavy loads on the engine (e.g. by
driving uphill) as well as stop-and-go traffic.

Have the fan replaced as soon as possible.
±
Display malfunction
Visit workshop
Certain electronic systems are
unable to relay information to
the control system. The follow-
ing systems may have failed:

Coolant temperature display


Tachometer


Cruise control display

Have the electronic systems checked by an autho-
rized Mercedes-Benz Center.
Engine
Service
There may be a malfunction in:

the fuel injection system


the ignition system


the exhaust system

Have the engine checked as soon as possible by an
authorized Mercedes-Benz Center.

377 Practical hints
What to do if …
When the
Check oil level - at next re-
fueling message appears while the en-
gine 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 engine oil.
For information on approved engine oils,
refer to the Factory Approved Service
Products pamphlet (USA only) or contact
an authorized Mercedes-Benz Center.
Display symbol
Display messages
Possible cause/consequence
Possible solution
:
Check oil level
at next refueling
There is no oil in the engine. There is
a danger of engine damage.

Check the engine oil level (
page 288) and
add engine oil as required (page 289).

If you must add engine oil frequently, have
the engine checked for possible leaks.!
The engine oil level warnings should not be
ignored. Extended driving with the symbol dis-
played could result in serious engine damage
that is not covered by the Mercedes-Benz Limit-
ed Warranty.

378 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
A
Reserve fuel
The fuel level has dropped below the re-
serve mark.

Refuel at the next gas station
(page 283).
Gas cap is open
A 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 283).
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.
»
Replace air cleaner
The air cleaner is clogged.

Have the air cleaner checked by an
authorized Mercedes-Benz Center.
F
Remove key
You have forgotten to remove the
SmartKey.

Remove the SmartKey from the start-
er switch.
F
Get a new key
The SmartKey is malfunctioning.

Contact an authorized
Mercedes-Benz Center.
F
Key
still in vehicle
A SmartKey with KEYLESS-GO* left in the
vehicle was recognized while locking the
vehicle from the outside.

Take the SmartKey with
KEYLESS-GO* out of the vehicle.

379 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
F
Please don't
forget your key
This display appears (for a maximum of
60 seconds) if the driver’s door is opened
with the engine turned off and no
SmartKey in the starter switch.
This message is only a reminder.

Take the SmartKey or SmartKey with
KEYLESS-GO* with you when leaving
the vehicle.
Change
key batteries
The SmartKey with KEYLESS-GO* batter-
ies are discharged.

Replace the batteries (
page 402).
Key
not recognized
The SmartKey with KEYLESS-GO* is not
recognized while the engine is running
because

the SmartKey with KEYLESS-GO* is
not in the vehicle


there is strong radio-frequency inter-
ference

Stop the vehicle as soon as it is safe
to do so.

Search for the SmartKey.
Otherwise the vehicle cannot be cen-
trally locked nor can the engine be
started again after the engine is
stopped.
Key
not recognized
The SmartKey with KEYLESS-GO* is mo-
mentarily not recognized.

Change the position of the SmartKey
in the vehicle.

Operate the vehicle with the
SmartKey in the starter switch if nec-
essary.

380 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
F
Change
key batteries
The SmartKey with KEYLESS-GO* batter-
ies are discharged.

Replace the batteries (
page 402).
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 vehicle


there is strong radio-frequency inter-
ference

Stop the vehicle as soon as it is safe to
do so.

Search for the SmartKey.
Otherwise the vehicle cannot be cen-
trally locked nor can the engine be
started again after the engine is
stopped.
Key
not detected
The SmartKey with KEYLESS-GO* is mo-
mentarily not recognized.

Change the position of the SmartKey in
the vehicle.

Operate the vehicle with the SmartKey
in the starter switch if necessary.
.
Active headlamps
inoperative
The active Bi-Xenon* headlamp system is
malfunctioning.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Active headlamps
The active Bi-Xenon* headlamps are mal-
functioning.

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

381 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
.
Reverse lamp
left side
The left reverse lamp is malfunctioning.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Reverse lamp
right side
The right reverse lamp is malfunctioning.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Brake-/tail lamp, left
Auxiliary bulb on
The left brake/tail lamp is malfunction-
ing.
This message will only appear if a critical
number of LEDs have stopped working.
An auxiliary bulb is being used.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Brake-/tail lamp, right
Auxiliary bulb on
The right brake/tail lamp is malfunction-
ing.
This message will only appear if a critical
number of LEDs have stopped working.
An auxiliary bulb is being used.

Contact an authorized Mercedes-Benz
Center as soon as possible.
3rd brake lamp
The high mounted brake lamp is malfunc-
tioning.

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

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

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

382 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
.
Front left
marker lamp
The front left side marker lamp is mal-
functioning.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Front right
marker lamp
The front right side marker lamp is mal-
functioning.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Front left park. lamp
Auxiliary bulb on
The left front parking lamp is malfunction-
ing. An auxiliary bulb is being used.
Halogen headlamp:
Replace the bulb as soon as possible
(page 404).
Bi-Xenon* headlamp:

Contact an authorized Mercedes-Benz
Center as soon as possible.
Front right park. lamp
Auxiliary bulb on
The right front parking lamp is malfunc-
tioning. An auxiliary bulb is being used.
Halogen headlamp:
Replace the bulb as soon as possible
(page 404).
Bi-Xenon* headlamp:

Contact an authorized Mercedes-Benz
Center as soon as possible.
High beam
left side
The left high beam lamp is malfunction-
ing.

Replace the bulb as soon as possible
(page 404).
High beam
right side
The right high beam lamp is malfunction-
ing.

Replace the bulb as soon as possible
(page 404).

383 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
.
License plate lamp
left side
The left license plate lamp is malfunction-
ing.

Replace the bulb as soon as possible
(page 404).
License plate lamp
right side

The right license plate lamp is malfunc-
tioning.

Replace the bulb as soon as possible
(page 404).
AUTO-Light
inoperative
The light sensor is malfunctioning. The
headlamps switch on automatically.

In the control system, set lamp opera-
tion to manual mode (
page 161).

Switch on headlamps using the exterior
lamp switch.
Low beam
left side
The left low beam lamp is malfunctioning.
Halogen headlamp:
Replace the bulb as soon as possible
(page 404).
Bi-Xenon* headlamp:

Contact an authorized Mercedes-Benz
Center as soon as possible.
Low beam
right side
The right low beam lamp is malfunction-
ing.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:

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