Mercedes-Benz GLK 300 4MATIC 2012 Owner's Manual page 82

Battery of the key
Important safety notes
Mercedes-Benz recommends that you have
the batteries replaced at a qualified specialist
workshop.
G
WARNING
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 illegal to dispose of them
with the household rubbish.
They must be collected sep-
arately and disposed of in an
environmentally responsible
recycling system.
Dispose of batteries in an
environmentally responsible
manner. Take discharged
batteries to a qualified spe-
cialist workshop or to a col-
lection point for used batter-
ies.
Checking the battery
Press the & or % button.
X
The battery is working properly if battery
check lamp : lights up briefly.
If battery check lamp : does not light up
briefly during the test, the battery is dis-
charged.
i
If the key battery is checked within the
signal reception range of the vehicle, press-
ing the & or % button:
locks or
R
unlocks the vehicle
R
Change the battery (
X
i
You can get a battery at a qualified spe-
cialist workshop.
Replacing the battery
You require a CR 2025 3 V cell battery.
Take the emergency key element out of the
X
key ( page 78).
Y
Press emergency key element ; into the
X
opening in the key in the direction of the
arrow until battery compartment cover :
opens. While doing so, do not hold battery
compartment cover : shut.
Remove battery compartment cover :.
X
Key
page 79).
Y
Z
79