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56
Opening and closing
Removing/inserting the emergency key
To remove: push release catch
#
direction of the arrow and simultaneously
pull emergency key
2
completely out of the
SmartKey.
To insert: push emergency key
#
the SmartKey until it engages.
Release catch
1
must then be back in the
basic position.
Replacing the SmartKey battery
& DANGER Serious damage to health
caused by swallowing batteries
Batteries contain toxic and corrosive sub‐
stances. Swallowing batteries may cause
serious damage to health.
There is a risk of fatal injury.
Keep batteries out of the reach of chil‐
#
dren.
If batteries are swallowed, seek medical
#
1
in the
attention immediately.
+
ENVIRONMENTAL NOTE Environmental
damage caused by improper disposal of
2
fully into
batteries
Batteries contain pollutants. It is
illegal to dispose of them with the household
rubbish.
#
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 2025 3 V cell battery.
R
Mercedes-Benz recommends that you have the
battery replaced at a qualified specialist work‐
shop.
Remove the emergency key (
/
#
page 56).
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