Mercedes-Benz C-Class Saloon 2022 Owner's Manual page 81

78 Opening and closing
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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 (
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Press emergency key
#
the key in the direction of the arrow until
cover 1
1
cover
page 77).
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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
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3
lift up covering and remove it.
Repeatedly tap the key against your palm until
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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
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closed.
Insert the front tabs of cover
#
housing and then press until it is completely
closed.
Insert the emergency key again (
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3 into the
is completely
1 into the
page 77).
/