Mercedes-Benz 2016 SLK Operator's Manual page 78

SmartKey
76
Press mechanical key ; into the SmartKey
X
opening in the direction of the arrow until
battery compartment cover : opens. Do
not hold battery compartment cover :
closed while doing so.
Remove battery compartment cover :.
X
Repeatedly tap the SmartKey against your
X
palm until battery = falls out.
Insert the new battery with the positive ter-
X
minal facing upwards. Use a lint-free cloth
to do so.
Make sure that the surface of the battery is
X
free of lint, grease and other contaminants.
Insert the front tabs of battery compart-
X
ment cover : into the housing and then
press to close it.
Insert mechanical key ; into the Smart-
X
Key ( page 74).
Y
Check the function of all SmartKey buttons
X
on the vehicle.