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:
Locking and unlocking centrally
The SmartKey centrally locks/unlocks:
• the doors
• the tailgate
• the fuel filler flap
1 Locks the vehicle
2 Opens/closes the tailgate
3 Unlocks the vehicle
When unlocking, the turn ...
Interior Mirror
Adjustment
Hold the rearview mirror in the center and move it to view the area behind the
vehicle.
Automatic Dimming Rearview Mirror
The mirror will automatically reduce the glare from the headlam ...
Vehicle
Activating/deactivating the automatic
door locking feature
If you select the Automatic Door Locking
function, the vehicle is centrally locked above
a speed of around 9 mph (15 km/h).
For furth ...







