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:
Finish Damage
Quickly repair minor chips and scratches with touch-up materials available from
your dealer to avoid corrosion. Larger areas of finish damage can be corrected in
your dealer's body and paint sho ...
Interior lighting control
Important notes
In order to prevent the vehicle's battery from
discharging, the interior lighting functions are
automatically deactivated after some time
except for when the SmartKey is in positio ...
Air Vents
Use the air outlets located in the center and on the side of the instrument panel
to direct the airflow.
Operation Tips
Keep the hood and front air inlets free of ice, snow, or any other obstruc ...






