Mercedes-Benz 2011 GLK-Class Operator's Manual page 74

SmartKey
72
Removing the mechanical key
X
Push release catch : in the direction of
the arrow and at the same time remove
mechanical key ; from the SmartKey.
SmartKey battery
Important safety notes
It is advisable to have batteries replaced at a
qualified specialist workshop, e.g. at an
authorized Mercedes-Benz Center.
G
Warning!
Batteries are toxic and contain caustic
substances. For this reason, keep batteries
out of the reach of children.
If a battery has been swallowed, visit a doctor
immediately.
G
Warning
SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. Check with
your local government's disposal guidelines.
California residents, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm.
Checking the battery
X
Press the & or % button.
The battery is working properly if battery
charge indicator lamp : lights up briefly.
If battery charge indicator lamp : does not
light up briefly during the test, the key
batteries are discharged.
X
Change the key battery (
i Consult any authorized Mercedes-Benz
Center for a key battery.
i
If the battery is tested within the signal
range of the vehicle, you can open or close
the vehicle by pressing & or %
respectively.
Changing the battery
You require a CR 2025 3 V cell battery.
X
Take the mechanical key out of the
Y
SmartKey ( page 71).
X
Press mechanical key ; into the opening
in the SmartKey in the direction of the
Y page 72).