Mercedes-Benz GL-Class: Switching on/off
The three blue indicator lamps in the buttons indicate the ventilation level you have selected.
If the battery voltage is too low, the seat
ventilation may switch off.

► Make sure that the SmartKey is in
position
2 in the ignition lock.
► To switch on: press button 1 repeatedly
until the desired ventilation level is set.
You can open the side windows and the
sliding sunroof using the "Convenience
opening" feature. The seat
ventilation of the driver's seat
automatically switches to the highest level.
► To switch off: press button 1 repeatedly until all the indicator lamps go out.
Problems with the seat ventilation
If one or all of the indicator lamps in the seat
ventilation button are flashing, the seat
ventilation has switched off automatically.
The vehicle's electrical system voltage is too
low because ...
See also:
Hydroplaning
Hydroplaning is dangerous. Water can build up under the vehicle's tires so they
actually ride on the water. This can happen if the road is wet enough and you are
going fast enough. When the vehi ...
Door Locks
To lock or unlock a door manually:
► From the inside, use the door lock knob on the window sill.
► From the outside, turn the key toward the front or rear of the vehicle, or press
the ...
Battery Replacement
To change the batteries on the headphones:
1. Turn the screw to loosen the battery door located on the left side of the
headphones. Slide the battery door open.
2. Replace the two batteries in the ...







