Mercedes-Benz GLC Coupe 2016, Owner'S Manual

Page: 88 / 377

X
Press emergency key element ; into the
opening in the key in the direction of the arrow
until battery compartment cover : opens.
When doing so, do not hold battery compart-
ment cover : shut.
X
Remove battery compartment cover : .
X
Repeatedly tap the key against your palm until
battery = falls out.
X
Insert the new battery with the positive ter-
minal facing upwards. Use a lint-free cloth to
do so.
X
Make sure that the surface of the battery is
free of lint, grease and other contamination.
X
Insert the front tabs of battery compartment
cover : into the housing and then press to
close it.
X
Insert emergency key element ; into the key
(
Y
page 84).
X
Check the function of all key buttons on the
vehicle.
Problems with the key
Problem Possible causes/consequences and M M Solutions
You can no longer lock or
unlock the vehicle using
the key.
The key battery is weak or discharged.
X
Check the key battery (
Y
page 84) and replace if necessary
(
Y
page 84).
If this does not work:
X
Lock or unlock the vehicle using the emergency key element
(
Y
page 89).
Interference from a powerful source of radio waves.
X
Lock or unlock the vehicle using the emergency key element
(
Y
page 89).
The key is faulty.
X
Lock or unlock the vehicle using the emergency key element
(
Y
page 89).
X
Have the key checked at a qualified specialist workshop.
Key
85
Opening
and
closing
Z