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:
Automatic low speed switch-OFF
If the speed of the vehicle decreases below 18 mph (30 km/h), the ACC system
will be automatically switched off and the warning lamp will go out.
If the brakes were being applied by the ACC system, ...
Power outlet
CAUTION
► Use power outlet with the engine running
to avoid discharging the vehicle
battery.
► Avoid using power outlet when the air
conditioner, headlights or rear window
de ...
Driver override options
Hill Descent Control (HDC) is automatically engaged for some terrain response
programs. If required, HDC can be deselected or engaged independently of terrain
response.
The HDC status will be dis ...
