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:
California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed
to operate on fuels that meet California specifications. See the underhood emission
control label. If this fuel is ...
Traction Control Operation
TCS is part of the StabiliTrak system. Traction control limits wheel spin by
reducing engine power to the wheels (engine speed management) and by applying brakes
to each individual wheel (brake-trac ...
Notes on driving
• If the vehicle is heavily laden, check
the tire
pressures and correct them if necessary.
• When parking your vehicle, make sure that
the tires do not get deformed by the curb
or other obst ...
