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:
Interior lights
MAP LIGHTS
Push the button as illustrated to turn the
light on or off.
REAR PERSONAL LIGHTS
Push the button as illustrated to turn the
light on or off.
INTERIOR LIGHT CONTROL SWITCH
The ...
Adjusting the seats in the second andthird rows
Important safety notes
WARNING
Never travel in a moving vehicle with the seat
backrest in an excessively reclined position as
this can be dangerous. You could slide under
the seat bel ...
Climate control
1. Temperature controls.
2. Seat heaters: Press once to turn on high, twice to turn on low, and a third
time to turn off.
3. Air distribution buttons: Press to select the desired distribution se ...
