Mercedes-Benz GLC : Warning and indicator lamps / Occupant safety


Some systems will perform a self-test when the
ignition is switched on. Some indicator and
warning lamps may briefly light up or flash. This
behavior is non-critical...
Other information:
You can no longer lock or unlock the vehicle
using KEYLESS-GO
Possible causes:
The SmartKey functions have been deactivated.
The SmartKey battery is weak or discharged.
Activate the SmartKey functions.
Check the battery using the
indicator lamp...
..