Mercedes-Benz CLA-Class 2014 Owners Manual - Manual (Page 81)

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.
SmartKey
79
Op
ening
and
closing
Z