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:
Important safety notes
Observe the "Important safety notes"
section.
ABS regulates brake pressure in such a way
that the wheels do not lock when you brake.
This allows you to continue steering the
vehicl ...
Troubleshooting guide
The system should respond correctly to all voice commands without difficulty.
If problems are encountered, try the following solutions.
Where the solutions are listed by number, try each solution ...
Diesel
Fuel grade
Only refuel with ULTRA-LOW SULFUR
DIESEL FUEL (ULSD, 15 ppm SULFUR
MAXIMUM). Using other diesel fuels could
result in increased wear and damage to the
engine and/or exhaust system.
...







