Mercedes-Benz GL-Class: Maintenance - Maintenance and care - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Maintenance

Brake fluid level
If you notice that the brake fluid level in the brake fluid reservoir has fallen to the MIN mark or less, check the brake system immediately for leaks. Also check the thickness of the brake lini ...

See also:

Door lock and release levers
From inside the vehicle, all the doors can be locked by pressing either the driver or passenger lock lever (1). Each rear door can be individually locked by pressing the appropriate locking lev ...

Connecting a USB Storage Device or iPod®
To connect a USB storage device, connect the device to the USB port located in the instrument panel storage area. See Instrument Panel Storage  for more information. The USB port can be used ...

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. ...