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:
Meter/ring illumination and needle sweep
The ring illumination surrounding meters
and gauges illuminates when the driver’s
door is closed after getting into the vehicle
with the Intelligent Key carried in.
When the engine is starte ...
Difference between predicted and actual distances
The distance guide line and the vehicle
width guide line on the front and the
rearview should be used as a reference
only when the vehicle is on a level, paved
surface. The distance viewed on ...
Hiding a service message
► Press the R reset button on the
instrument cluster. ...
