Mercedes-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:
Brake temperature
In extreme circumstances, the HDC system may cause brake temperatures to exceed
their pre-set limits. If this occurs the warning HDC TEMPORARILY UNAVAILABLE will
be displayed in the message center ...
Trailer towing
PARKTRONIC is deactivated for the rear area
when you establish an electrical connection
between your vehicle and a trailer.
Fold in the ball coupling if the trailer tow
hitch is not required. ...
Locking with power door lock switch
Operating the power door lock switch will
lock or unlock all the doors. The switches
are located on the driver’s and front
passenger’s door armrests.
To lock the doors, push the power do ...
