Mercedes-Benz EQS 350 Operator's Manual page 90

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
cover
page 86).
/
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.
1 opens. When doing so, do not hold
1 closed.
2 into the opening and
3 and remove it.
4 falls out of the key.
3 into the
Opening and closing
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.
R
Check the battery using the indicator lamp
#
( page 84).
/
Replace the key battery, if necessary
#
( page 86).
/
Use the replacement key.
#
Use the emergency key to lock or unlock
#
( page 98).
/
Have the key checked at a qualified specialist
#
workshop.
87
is completely
1
into the
page 86).
/