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:
Tow mode
The TOW MODE should be used when
pulling a heavy trailer or hauling a heavy
load. Driving the vehicle in the TOW MODE
with no trailer/load or light trailer/light
load will not cause any dama ...
Checking engine oil level
1. Park the vehicle on a level surface and
apply the parking brake.
2. Run the engine until it reaches operating
temperature.
3. Turn off the engine. Wait more than 15
minutes for the oil ...
Safety Belt Reminders
Driver Safety Belt Reminder Light
There is a driver safety belt reminder light on the instrument panel cluster.
When the vehicle is started, this light flashes and a chime may come on to remind
...
