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:
ACC malfunction
If a fault occurs during operation of the system in cruise or follow modes, the
ACC system will switch off and cannot be used until the fault is cleared. The message
DRIVER INTERVENE appears brief ...
Hydraulic Power Steering
Your vehicle has hydraulic power steering. It may require maintenance. See Power
Steering Fluid Power Steering Fluid .
If power steering assist is lost because the engine stops or the power st ...
Rear seat head restraints
WARNING
For safety reasons, always drive with the rear
head restraints in the upright position when
the rear seats are occupied.
Keep the area around head restraints clear of
articles ...
