Mercedes-Benz C-Class Operator's Manual page 80

SmartKey
78
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
X
terminal facing upwards. Use a lint-free
cloth to do so.
Make sure that the surface of the battery is
X
free from lint, grease and all other forms of
contamination.
Insert the front tabs of battery
X
compartment cover : into the housing
first and then press to close it.
Insert mechanical key ; into the
X
SmartKey.
Check the function of all SmartKey buttons
X
on the vehicle.
I n f o r ma t i o n P r o v i d e d b y :