Restoring the factory settings
Press the % and & buttons simulta-
X
neously for approximately six seconds until
the battery check lamp flashes twice.
Emergency key element
General notes
If the vehicle can no longer be unlocked with
the key, use the emergency key element.
If you use the emergency key element to
unlock and open the driver's door, the anti-
theft alarm system will be triggered
(
page 56).
Y
There are several ways to turn off the alarm:
Press the % or & button on the key.
X
or
Insert the key into the ignition lock.
X
If you unlock the vehicle using the emergency
key element, the fuel filler flap will not be
unlocked automatically.
To unlock the fuel filler flap: insert the
X
key in the ignition lock.
Removing the emergency key element
Push release catch : in the direction of
X
the arrow and at the same time, remove
emergency key element ; from the key.
Battery of the key
Important safety notes
It is advisable to have batteries replaced at a
qualified specialist workshop, e.g. at a
Mercedes-Benz Service Centre.
G
Risk of poisoning
Batteries are toxic and contain caustic sub-
stances. For this reason, keep batteries out of
the reach of children.
If a battery has been swallowed, visit a doctor
immediately.
H
Environmental note
Batteries contain pollutants.
It is against the law to dis-
pose of them with the house-
hold rubbish. They must be
collected separately and
recycled in an environmen-
tally responsible manner.
Dispose of batteries in an
environmentally responsible
manner. Take discharged
batteries to a qualified spe-
cialist workshop, e.g. a
Mercedes-Benz Service
Centre, or to a special col-
lection point for old batter-
ies.
Checking the battery
Key
61
Z