Doors - Mercedes-Benz GLS Owner's Manual

82
Opening and closing
Remove the emergency key (
#
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 bat‐
tery when doing this.
Push in battery compartment 3.
#
page 81). Re-attach cover
/
#
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 79).
/
Replace the key battery, if necessary
#
( page 81).
/
Use the replacement key.
#
Use the emergency key to lock or unlock
#
( page 86).
/
3 and take
Have the key checked at a qualified specialist
#
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
1 and push it until it mobile phones
R
electronic devices (notebooks, tablets)
R
shielding due to metal objects or induction
R
loops for electrical gate systems or auto‐
matic 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
vehicles for the United Kingdom.