Mercedes-Benz GL-Class: Adjusting the four-way lumbarsupport
You can adjust the contour of the driver's seat backrests individually to provide optimum support for your back.

1 To raise the backrest contour
2 To soften the backrest contour
3 To lower the backrest contour
4 To harden the backrest contour
Adjusting the multicontour seat
You can adjust the contour of the front seats
individually so as to provide optimum support
for your back and sides.
► Make sure that the SmartKey is in
position
2 in the ignition lock.
...
See also:
Windshield Wiper/Washer
The windshield wiper/washer lever is located on the left side of the steering
column.
Turn the band with the wiper symbol to control the windshield wipers.
: Use for a single wiping cycle.
: U ...
Trailer power supply
The trailer power socket of your vehicle is
designed for connecting the 7-pin connector
supplied as part of the Mercedes-Benzapproved
trailer coupling.
Depending on your trailer, you may need
an ...
Side Blind Zone Alert (SBZA)
If available, the Side Blind Zone Alert system is a lane changing aid that assists
drivers with avoiding crashes that occur with vehicles in the side blind zones.
WARNING
SBZA does not detect v ...







