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:
Important safety notes
WARNING
If you tow the vehicle, you must use a rigid
towing bar if:
• the engine is not running.
• there is a brake system
malfunction.
• there is a malfunction in the power
...
Map
After selecting map, the local area map is displayed. Drag the circle to the
area for your destination or waypoint, zooming in if required. This location can
be stored as a destination or waypoint ...
Important information about this manual
You will see various symbols in this
manual. They are used in the following
ways:
WARNING
This is used to indicate the presence of a
hazard that could cause death or serious
personal injur ...






