2006 MERCEDES-BENZ E320CDI Owner's Manual

408 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
:
Engine oil level
Stop, engine off
E 320 CDI, E 500, E 55 AMG only:
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 323) and
check the engine oil level
(
page 321).
Engine oil level
Visit workshop
E 320 CDI, E 500, E 55 AMG only:
The engine oil has dropped to a critical
level.

Check the engine oil level
(page 322) and add oil as required
(page 323).

If you must add engine oil frequently,
have the engine checked for possible
leaks.
Change engine oil
Visit workshop
E 320 CDI, E 500, E 55 AMG only:
It may be that there is water in the engine
oil.

Have the engine oil and the cooling
system checked.

409 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
:
Engine oil level
Reduce oil level
E 320 CDI, E 500, E 55 AMG only:
You have added too much engine oil.
There is a risk of damaging:

the engine


the catalytic converter

Have oil siphoned or drained off. Ob-
serve all legal requirements with re-
spect to its disposal.
Oil sensor malfunction
Visit workshop
E 320 CDI, E 500, E 55 AMG only:
The measuring system is malfunctioning.

Have the measuring system checked
by an authorized Mercedes-Benz
Center.
Change engine oil
Visit workshop
E 320 CDI, E 500, E 55 AMG only:
It may be that there is water in the engine
oil.

Have the engine oil and the cooling
system checked.

410 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
Y
Hood open
You are driving with the hood open.

Close the hood (
page 319).
F
Key
Check battery
The SmartKey with KEYLESS-GO* batter-
ies are discharged.

Change the batteries (
page 431).
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 in a safe location 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.
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.

411 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
F
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 start-
er 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.
A
Reserve fuel
The fuel level has dropped below the re-
serve mark.

Refuel at the next gas station
(page 315).
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 315).
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.

412 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
.
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.
Display malfunction
Visit workshop
The display for the lamps or the system is
malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
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.
Active headlamps
currently
unavailable
The active headlamps are malfunctioning.

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

Visit an authorized Mercedes-Benz
Center as soon as possible.
Active headlamps
malfunction
Drive to workshop
The active headlamps have malfunc-
tioned several times in succession.

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

413 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
.
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.
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
The left parking lamps are malfunction-
ing.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Fr. Park. lamp, right
The right parking lamps are malfunction-
ing.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Rear foglamp
Substitute bulb on
The rear fog lamp is malfunctioning. A
substitute bulb is being used.

Replace the bulb 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.
Switch off lamps
Lamps have been turned on although the
SmartKey in the starter switch is in posi-
tion 0.

Switch off the headlights.

414 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
.
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.
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 lamp sensor is malfunctioning. The
headlamps switch on automatically.

In the control system, set lamp opera-
tion to manual mode (
page 170).

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.

415 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
.
Taillamp, left
Substitute bulb on
The left tail lamp is malfunctioning. A sub-
stitute bulb is being used.

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

Visit an authorized Mercedes-Benz
Center as soon as possible.
Turn sig., left rear
Substitute bulb on
The left rear turn signal lamp is malfunc-
tioning. A substitute bulb is being used.

Replace the bulb as soon as possible.
Turn sig., right rear
Substitute bulb on
The right rear turn signal lamp is malfunc-
tioning. A substitute bulb is being used.

Replace the bulb as soon as possible.
Turn sig., left front
The left front turn signal lamp is malfunc-
tioning.

Replace the bulb as soon as possible.
Turn sig., right front
The right front turn signal lamp is mal-
functioning.

Replace the bulb as soon as possible.
Turn signal,
left
mirror
The left turn signal in the side mirror is
malfunctioning. This message will only
appear if all light emitting diodes have
stopped working.

Have the LEDs replaced as soon as
possible.
Turn signal,

right
mirror
The right turn signal in the side mirror is
malfunctioning. This message will only
appear if all light emitting diodes have
stopped working.

Have the LEDs replaced as soon as
possible.