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:
Towing a vehicle with both axles onthe ground
When having your vehicle towed, observe the
important safety notes.
WARNING
The power assistance for the steering and the
brake force booster do not work when the
engine is not runnin ...
SBZA Detection Zones
The SBZA sensor covers a zone of approximately one lane over from both sides
of the vehicle, 3.5m (11 ft). This zone starts at each side mirror and goes back
approximately 5.0m(16 ft). The height ...
Tire Changing
Removing Tools
The tools needed to remove the spare tire are located in the storage compartment
on the driver side, at the rear of the vehicle.
1. Open the jack storage compartment by pulling on t ...






