Mercedes-Benz GLC : Doors / Problems with KEYLESS-GO, troubleshooting
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.
Replace the SmartKey battery, if
necessary.
Use the replacement SmartKey.
Use the emergency key to lock or
unlock.
Have the vehicle and SmartKey
checked at a
qualified specialist workshop.
There is interference from a powerful radio signal source.
The KEYLESS-GO 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.
Requirements:
The SmartKey is outside the vehicle.
The distance between the SmartKey and the
vehicle does not exceed 3 ft (1 m).
The driver's door and the door at which the
door handle is used are closed...
The vehicle is locked automatically when the
ignition is switched on and the wheels are turning
faster than walking pace.
To activate: press and
hold button for
approximately five seconds until an acoustic
signal sounds...
Other information:
Function of the ATA system
If the ATA system is armed, a visual and audible
alarm is triggered in the following situations:
When a door is opened
When the tailgate is opened
When the hood is opened
When the interior motion sensor is triggered
When the tow-away alarm is triggered
The ATA system is armed automatically after
approximately ten seconds in the following situations:
After locking the vehicle with the SmartKey
After locking the vehicle using KEYLESS-GO
Indicator lamp flashes when the
ATA system
is armed...
Requirements:
Only devices up to a maximum of 180 W
(15 A) are permissible.
Depending on the vehicle equipment, the vehicle
has the following 12 V sockets:
In the storage compartment in the front center
console
In the front passenger footwell
In the storage compartment in the center
console of the rear passenger compartment
In the cargo compartment
Example: 12 V socket in the storage compartment
in the front center console
Fold up socket cap
...