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:
Steering Wheel Controls
Vehicles with audio steering wheel controls could differ depending on the vehicle's
options. Some audio controls can be adjusted at the steering wheel.
Press to select preset or favorite
r ...
Cleaning the seat covers
Do not use microfiber cloths to clean
genuine leather, artificial leather or
Alcantara® covers. If used often, these can
damage the cover.
Observe the following when cleaning:
• clean genu ...
Radio(s)
Radio with CD, DVD, and USB Port
: Press to turn the system on and
off. Turn to increase or decrease the volume.
BAND: Press to choose between FM, AM, or XM™, if equipped.
: Select radio st ...






