MERCEDES-BENZ CLS500 2006 W219 Owner's Manual

380 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
Ï
Coolant
Stop, engine off
The poly-V-belt could be broken.

Stop the vehicle in a safe location and immedi-
ately turn off the engine.

Check the poly-V-belt.
If it is broken:

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

Do not continue to drive the vehicle with this
message displayed. Doing so could result in seri-
ous engine damage that is not covered by the
Mercedes-Benz Warranty.

Observe the coolant temperature indicator in the
instrument cluster (
page 24).

Drive immediately to the nearest authorized
Mercedes-Benz Center.
Coolant
Visit workshop
The cooling fan for the coolant is
malfunctioning.

Observe the coolant temperature indicator in the
instrument cluster (
page 24).

Have the fan replaced as soon as possible.

381 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
G
Display malfunction
Visit workshop
The displays for several systems have
malfunctioned. Some systems them-
selves may also have malfunctioned.

Continue driving with added caution.
When the multifunction display is mal-
functioning, warnings and malfunc-
tion messages might not be
displayed.

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

Coolant temperature display


Tachometer


Cruise control display

Have the electronic systems checked
by an authorized 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.

382 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
J

Doors open
You are attempting to drive with one or
more doors open.

Close the doors.
:
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 296) and
check the engine oil level
(
page 295).
Engine oil level
Stop, 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 296) and
check the engine oil level
(
page 295).
Engine oil level
Reduce oil level
You have added too much engine oil.
There is a risk of damaging:

the engine


the catalytic converter

Have oil siphoned or drained off.
Observe all legal requirements with
respect to its disposal.

383 Practical hints
What to do if …
When the
Engine oil - Visit workshop

message appears while the engine is run-
ning and at operating temperature, the en-
gine 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.
Display symbol
Display messages
Possible cause/consequence
Possible solution
:
Engine oil level
Visit workshop
The engine oil has dropped to a critical
level.

Check the engine oil level
(page 295) and add oil as required
(page 296).

If you must add engine oil frequently,
have the engine checked for possible
leaks.
Change engine oil
Visit workshop
It may be that there is water in the engine
oil.

Have the engine oil checked.
Oil sensor malfunction
Visit workshop
The measuring system is malfunctioning.

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.

384 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 290).
Check gas cap
See Operator’s Manual
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 290).
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.
Y
Hood open
You are driving with the hood open.

Close the hood (
page 293).

385 Practical hints
What to do if …
Display symbol
Display messages
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 outside.

Take the SmartKey out of the vehicle.
Keyless Go
Check system
The KEYLESS-GO* system is malfunction-
ing.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Do not
forget key
This display appears (for a maximum of
60 seconds) if the driver’s door is opened
with the engine shut off and no SmartKey
in the starter switch.
This message is only a reminder.

Insert SmartKey in the starter switch.

Take the SmartKey with
KEYLESS-GO* with you when leaving
the vehicle.
Remove key
You have forgotten to remove the
SmartKey.

Remove the SmartKey from the
starter switch.
Replace key
There is no additional code available for
SmartKey or SmartKey with
KEYLESS-GO*.

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

386 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
F
Key
Check battery
The SmartKey with KEYLESS-GO* batter-
ies are discharged.

Change the batteries (
page 408).
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.

387 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
.
Active headlamps
currently
unavailable
The Bi-Xenon cornering lamps system is
malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Active headlamps
malfunction
Drive to workshop
The Bi-Xenon cornering lamps system is
malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Active headlamps
Substitute bulb on
The active headlamps are malfunctioning.
Another light is being used.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Backup lamp,
left
The left reverse lamp is malfunctioning.

Replace the bulb as soon as possible.
Backup lamp,
right
The right reverse lamp is malfunctioning.

Replace the bulb 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.
Brake lamp, left
Substitute bulb on
The left brake lamp is malfunctioning. A
substitute bulb is being used.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Brake lamp, right
Substitute bulb on
The right brake lamp is malfunctioning. A
substitute bulb is being used.

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

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

388 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
.
Front foglamp,
left
The left front fog lamp is malfunctioning.

Replace the bulb as soon as possible.
Front foglamp,
right
The right front fog lamp is malfunctioning.

Replace the bulb as soon as possible.
Front Marker light
,
left
The front left side marker lamp is mal-
functioning.

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

Visit an authorized Mercedes-Benz
Center as soon as possible.
Fr. Park. lamp, left
Substitute bulb on
The left front parking lamp is malfunction-
ing. A substitute bulb is being used.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Fr. Park. lamp, right
Substitute bulb on
The right front parking lamp is malfunc-
tioning. A substitute bulb is being used.

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

Replace the bulb as soon as possible.
High beam,
right

The right high beam lamp is malfunction-
ing.

Replace the bulb as soon as possible.
License plate lamp,
left
The left license plate lamp is malfunction-
ing.

Replace the bulb as soon as possible.

389 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
.
License plate lamp,
right

The right license plate lamp is malfunc-
tioning.

Replace the bulb as soon as possible.
Light sensor
Drive to workshop
The light sensor is malfunctioning. The
headlamps switch on automatically.

In the control system, set lamp opera-
tion to manual mode (
page 164).

Switch on headlamps using the exteri-
or lamp switch.
Low beam,
left
The left low beam lamp is malfunctioning.
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 malfunction-
ing.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:

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