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:
Removing the vehicle battery
WARNING
Switch the ignition off before disconnecting battery terminals.
Always disconnect the negative terminal first and reconnect last.
Use caution when lifting the battery out of, or into, ...
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the engine oil needs to be changed.
When you change the engine oil, be sure to reset the CHANGE ENGINE OIL SOON message.
See Engine Oil Life Syste ...
Washer Fluid
What to Use
When adding windshield washer fluid, be sure to read the manufacturer's instructions
before use. If the vehicle will be operating in an area where the temperature may
fall below f ...







