Mercedes-Benz GLC 300, Operator'S Manual

Page: 71 / 462

#
Remove the emergency key (
/
page 68).
#
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 3 and take
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 bat‐
tery when doing this.
#
Push in battery compartment 3 .
#
Re-attach cover 1 and push it until it
engages.
Problems with the SmartKey, troubleshoot‐
ing
You can no longer lock or unlock the vehicle
Possible causes:
R
The SmartKey battery is weak or discharged.
R
The SmartKey is faulty.
#
Check the battery using the indicator lamp
(
/
page 66).
#
Replace the SmartKey battery, if necessary
(
/
page 68).
#
Use the emergency key to lock or unlock
(
/
page 72).
#
Have the SmartKey checked at a qualified
specialist workshop.
There is interference from a powerful radio
signal source
The SmartKey function is impaired by, for exam‐
ple:
R
High voltage power lines
R
Mobile phones
R
Electronic devices (notebooks, tablets)
R
Shielding due to metal objects or induction
loops for electrical gate systems or auto‐
matic barriers
#
Make sure that there is sufficient distance
between the SmartKey and the potential
source of interference.
You have lost a SmartKey
#
Have the SmartKey deactivated at a qualified
specialist workshop.
#
If necessary, have the mechanical lock
replaced as well.
Opening and closing 69