Mercedes-Benz GLC : SmartKey / Problems with the SmartKey, troubleshooting
You can no longer lock or unlock the vehicle
Possible causes:
- The SmartKey battery is weak or discharged.
- The SmartKey is faulty.
Check the battery using the indicator lamp.
Replace the SmartKey battery, if necessary.
Use the emergency key to lock or unlock.
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 example:
- High voltage power lines
- Mobile phones
- Electronic devices (notebooks, tablets)
- Shielding due to metal objects or induction
loops for electrical gate systems or automatic
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.
DANGER Serious damage to health
caused by swallowing batteries
Batteries contain toxic and corrosive substances.
Swallowing batteries may cause
serious damage to health...
Other information:
The ASSYST PLUS service interval display on the
Instrument Display provides information on the
remaining time or distance before the next
service due date.
You can hide this service display using the back
button on the left-hand side of the steering
wheel...
If you do not use the vehicle or a SmartKey for
an extended period of time, you can reduce the
energy consumption of the respective SmartKey.
To do so, deactivate the SmartKey functions.
To deactivate: press the
button on the SmartKey twice in quick succession...