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:
Intelligent Key operating range
The Intelligent Key functions can only be
used when the Intelligent Key is within the
specified operating range from the request
switch 1 .
When the Intelligent Key battery is discharged
o ...
Intelligent Key battery discharge
If the battery of the Intelligent Key is
discharged, or environmental conditions
interfere with the Intelligent Key operation,
start the engine according to the following
procedure:
1. Mov ...
Vehicle Dynamic Control (VDC) OFF switch
The vehicle should be driven with the
Vehicle Dynamic Control (VDC) system on
for most driving conditions.
If the vehicle is stuck in mud or snow, the
VDC system reduces the engine output to ...
