Mercedes-Benz CLA-Class 2015 - Manual (Page 80)

i If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the & or % button:
R locks or
R unlocks the vehicle
i You can get a battery at any qualified spe-
cialist workshop.
Replacing the battery
You require a CR 2025 3 V cell battery.
X
Take the mechanical key out of the Smart-
Key (
Y
page 76).
X
Press mechanical key ; into the opening
in the SmartKey in the direction of the
arrow until battery tray cover : opens.
When doing so, do not hold cover : shut.
X
Remove battery tray cover :.
X
Repeatedly tap the SmartKey against your
palm until battery = falls out.
X Insert the new battery with the positive ter-
minal facing upwards. Use a lint-free cloth
to do so.
X Make sure that the surface of the battery is
free of lint, grease and other contaminants.
X
Insert the front tabs of battery tray cover :
and then press to close it.
X Insert mechanical key into the SmartKey
(
Y
page 77).
X
Check the function of all SmartKey buttons
on the vehicle.
78
SmartKey
Opening
and
closing