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:
Before Driving Off-Road
Have all necessary maintenance and service work completed.
Fuel the vehicle, fill fluid levels, and check inflation pressure in all
tires, including the spare, if equipped.
Read all the infor ...
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 ...
Checking the washer fluid level
WARNING
Some windshield washer products are inflammable, particularly if high or undiluted
concentrations are exposed to sparking. Do not allow washer fluid to come into contact
with naked f ...
