Mercedes-Benz GL-Class: General information
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.
► Check the battery in the SmartKey and
replace it if necessary.
► Unlock the driver's door using the
mechanical key.
► Lock the vehicle.
► Have the starter battery and battery
contacts checked at an authorized
Mercedes-Benz Center.
If the SmartKey is faulty, contact Roadside Assistance or an authorized Mercedes-Benz Center.
Important safety notes
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
...
See also:
Sunroof reset
If the battery is disconnected or the power supply is interrupted while the sunroof
is partially open, it will need to be recalibrated. Once the battery is reconnected
or the power supply is resto ...
Redialing
The on-board computer saves the last names
or numbers dialed in the redial memory.
► Press the
button on the
steering wheel to select the Telephone
menu.
► Press the
button to swi ...
System fault
If a fault is detected in the HDC system, HDC FAULT SYSTEM NOT AVAILABLE will
appear in the message center.
If the fault is detected while the system is operating, HDC assistance will fade
out.
...
