2007 MERCEDES-BENZ E350 4MATIC WAGON Owner's Manual

416 Practical hintsWhat to do if …When the message
Check oil level at
next refueling
appears while the engine
is running and at operating temperature,
the engine oil level has dropped to approx-
imately the minimum level.
When this occurs, the warning will first
come on intermittently and then stay on if
the oil level drops further.
Visually check for oil leaks. If no obvious oil
leaks are noted, drive to the nearest ser-
vice station where the engine oil should be
topped to the required level with an ap-
proved 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 message
Possible cause/consequence
Possible solution
:
Check oil level
at next refueling
The engine oil has dropped to a critical
level.

Check the engine oil level
(page 326) and add oil as required
(page 327).

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
Limited Warranty.

417 Practical hints
What 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 321).
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 321).
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.

418 Practical hintsWhat 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 with
KEYLESS-GO* out of the vehicle.
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 shut off and no SmartKey
in the starter switch.
This message is only a reminder.

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.
Get a new key
The SmartKey is malfunctioning.

Contact an authorized
Mercedes-Benz Center.

419 Practical hints
What 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 440).
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 with
KEYLESS-GO*.
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.

420 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
.
Active headlamps
inoperative
The active Bi-Xenon* headlamp system
is malfunctioning.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Active headlamps
Auxiliary bulb on
The active Bi-Xenon* headlamps are
malfunctioning. Another light is being
used.

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

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.

Contact an authorized Mercedes-Benz
Center as soon as possible.
3rd brake lamp
The high mounted brake lamp is mal-
functioning.
This message will only appear if a critical
number of LEDs have stopped working.

Visit an authorized Mercedes-Benz Cen-
ter as soon as possible.

421 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
.
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.
Front left
marker lamp
The front left side marker lamp is malfunc-
tioning.

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. A substitute bulb is being used.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Front right park. lamp
Auxiliary bulb on
The right front parking lamp is malfunction-
ing. A substitute bulb is being used.

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

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

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

Replace the bulb as soon as possible.
License plate lamp
right side

The right license plate lamp is malfunction-
ing.

Replace the bulb as soon as possible.

422 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
.
AUTO-Light
inoperative
The light sensor is malfunctioning. The
headlamps switch on automatically.

In the control system, set lamp operation
to manual mode (
page 142).

Switch on headlamps using the exterior
lamp switch.
Low beam
left side
The left 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.
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.

423 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
.
Rear left foglamp
The left rear fog lamp is malfunctioning.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Rear right foglamp
The right rear fog lamp is malfunctioning.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Switch off lights
Lamps have been turned on although the
SmartKey in the starter switch is in posi-
tion 0.

Switch off the headlamps.
Tail lamp, left side
Auxiliary bulb on
The left tail lamp is malfunctioning. A sub-
stitute bulb is being used.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Tail lamp, right side
Auxiliary bulb on
The right tail lamp is malfunctioning. A
substitute bulb is being used.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Cornering lamp
left
The left corner-illuminating front fog
lamp* is malfunctioning.

Contact an authorized Mercedes-Benz
Center as soon as possible.
Cornering lamp
right
The right corner-illuminating front fog
lamp* is malfunctioning.

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