Mercedes-Benz C-Class Wagon Owner's Manual page 77

74
Opening and closing
#
Dispose of batteries in an
environmentally responsible manner.
Take discharged batteries to a qualified
specialist workshop or to a collection
point for used batteries.
Requirements:
You require a CR 2032 3 V cell battery.
R
Mercedes-Benz recommends that you have the
battery replaced at a qualified specialist work‐
shop.
Remove the emergency key (
#
Press emergency key
#
the key in the direction of the arrow until
cover 1
cover 1
page 73).
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2 into the opening in
opens. When doing so, do not hold
closed.
Insert emergency key 2 into the opening
#
and lift up covering 3 and remove it.
Repeatedly tap the key against your palm
#
until battery 4 falls out of the key.
Insert the new battery with the positive pole
#
facing upwards. Use a lint-free cloth to do so.
Make sure that the surface of the battery is
#
free of lint, grease and other impurities.
Insert the front tabs of covering
#
housing and then press on both sides to
close it.
Make sure that covering 3
#
closed.
Insert the front tabs of cover
#
housing and then press until it is completely
closed.
Insert the emergency key again (
#
Problems with the key, troubleshooting
You can no longer lock or unlock the vehicle
Possible causes:
The key battery is weak or discharged.
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3 into the
is completely
1 into the
page 73).
/