Doors - Mercedes-Benz EQB 2022 Operator's Manual

Press release knob 2 down fully and slide
#
cover 1 in the direction of the arrow.
Fold out cover 1 in the direction of the arrow
#
and remove.
Remove battery compartment
#
out the discharged battery.
Insert the new battery into battery compart-
#
ment 3. Observe the positive pole marking in
the battery compartment and on the battery
when doing this.
Push in battery compartment 3.
#
1
Re-attach cover and push it until it
#
engages.
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 78).
/
Replace the key battery, if necessary
#
( page 80).
/
Use the replacement key.
#
Use the emergency key to lock or unlock
#
( page 85).
/
Have key checked at a qualified specialist
#
3 and take workshop.
There is interference from a powerful radio signal
source
Possible causes if the function of the key is
impaired:
high voltage power lines
R
mobile phones
R
electronic devices (notebooks, tablets)
R
Opening and closing
shielding due to metal objects or induction
R
loops for electrical gate systems or automatic
barriers
Make sure that there is sufficient distance
#
between the key and the potential source of
interference.
You have lost a key
Have the key deactivated at a qualified spe-
#
cialist workshop.
If necessary, have the mechanical lock
#
replaced as well.

Doors

Notes on the additional door lock
The additional door lock is only available for vehi-
cles for the United Kingdom.
81