Mercedes-Benz E-CLASS 2009 Manual page 277

mkalafa,
Display messages
274
Display messages
b
Malfunc‐
tion See
Owner's
Manual
¸
Replace
air
cleaner
4
Check
eng. oil
lev. when
next refu‐
elling
+
Change
key bat‐
teries
+
Key not
detected
(red display
message)
Only for certain vehicles.
42
Possible causes/consequences and X X Solutions
The exterior lighting is faulty.
Visit a qualified specialist workshop.
X
Vehicles with trailer coupling*: a fuse may have blown.
Check the fuses ( page 328).
X
Y
If necessary, replace the blown fuse. Observe the warning
X
notes.
If the display message continues to be shown:
Visit a qualified specialist workshop.
X
The engine air filter is dirty and must be replaced
Visit a qualified specialist workshop.
X
The engine oil level has dropped to a critical level. A warning
tone also sounds.
Check the engine oil level (
X
If necessary, top up the engine oil.
X
Have the engine checked for leaks if the engine oil needs
X
topping up more often than usual.
The key batteries are discharged.
Change the batteries (
X
The KEYLESS GO key* is not in the vehicle. A warning tone
also sounds.
If you switch off the engine, you can no longer centrally lock
the vehicle and no longer start the engine.
Pull over and stop the vehicle safely as soon as possible,
X
paying attention to road and traffic conditions.
Locate the KEYLESS GO key*.
X
The KEYLESS GO key* is not detected while driving because
a powerful radio transmitter is causing interference. A warn-
ing tone also sounds.
Pull over and stop the vehicle safely as soon as possible,
X
paying attention to road and traffic conditions.
Remove the Start/Stop button* from the ignition
X
lock ( page 75).
Y
Insert the key into the ignition lock and turn it to the desired
X
position.
Version: 2.11.8.1
page 220).
Y
page 304).
Y
42
.
* optional