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:
Collision Parts
Genuine GM Collision parts are new parts made with the same materials and construction
methods as the parts with which the vehicle was originally built. Genuine GM Collision
parts are the best choic ...
Flash-to-Pass
Use your high-beam headlamps to signal to a driver in front that you want to
pass. It works even if the headlamps are in the automatic position.
To use it, pull the turn signal lever toward you, the ...
Folding the rear seats
WARNING
Never allow passengers to ride in the cargo area. In a collision, people riding
in these areas are more likely to be seriously injured or killed. Do not allow anyone
to ride in any a ...






