Mercedes-Benz GL-Class: Refrigerant of the air-conditioningsystem
The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant.
Never use refrigerant R 12 (CFC) or
mineral lubricants. Otherwise, you could
damage the air-conditioning system.
Engine oil viscosity
Viscosity describes the flow characteristics
of a fluid. If an engine oil has a high viscosity,
this means that it is thick; a low viscosity
means that it is thin.
Select an engine oil with an S ...
Brake fluid
WARNING
The brake fluid constantly absorbs moisture
from the air; this lowers its boiling point.
If the boiling point of the brake fluid is too low,
vapor pockets may form in the brake ...
See also:
Storing Radio Station Presets
This feature stores a mix of up to 30 AM, FM, and XM (if equipped) preset stations.
To store presets:
1. Press to turn the system on.
2. If viewing a map screen, press AUDIO, FAV or press the sour ...
Menu options
The start menu can be displayed using the
menu control switch on the steering-wheelmounted
controls.
1. While the MAP or STATUS screen is
displayed, push and hold the menu
control switch u ...
Lumbar Adjustment
Manual Lumbar
If available, move the handle forward or rearward to increase or decrease lumbar
support.
Power Lumbar
If available, press and hold the front or rear of control to incre ...






