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:
Floor mats
WARNING
To avoid potential pedal interference that
may result in a collision or injury:
► NEVER place a floor mat on top of
another floor mat in the driver front
position.
► U ...
Headlamps fogged up on the inside
The headlamps may fog up on the inside if
there is high atmospheric humidity.
► Drive with the headlamps switched on.
The level of moisture diminishes,
depending on the length of the jou ...
Global opening
Press and hold the unlock button for 3 seconds to unlock the vehicle and open
all of the windows.
To cancel global opening, press any of the buttons on the smart key or operate
the driver’s win ...
