Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 83

There is a risk of fatal injury.
Keep batteries out of the reach of chil-
#
dren.
If the cover and/or lid of the battery
#
compartment does not close securely,
do not use the key and keep it away from
children.
If batteries are swallowed, seek medical
#
attention immediately.
+
ENVIRONMENTAL NOTE Environmental
damage due to improper disposal of bat-
teries
Batteries contain pollutants. It is illegal
to dispose of them with the household rub-
bish.
#
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 2 into the opening in
#
the key in the direction of the arrow until
cover 1 opens. When doing so, do not hold
cover 1 closed.
P223 0288 02
page 80).
/
Insert emergency key
#
lift up covering
Repeatedly tap the key against your palm until
#
battery
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
#
closed.
Opening and closing
2 into the opening and
3 and remove it.
4 falls out of the key.
3 into the
3 is completely
81