Mercedes-Benz SL-Class 2015 - Manual (Page 88)

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 compart-
ment cover : into the housing and then
press to close it.
X Insert mechanical key ; into the Smart-
Key (
Y
page 84).
X
Check the function of all SmartKey buttons
on the vehicle.
86
SmartKey
Op
ening
and
closing