Mercedes-Benz GL-Class: Important safety notes
WARNING 
Gasoline and diesel fuels are highly flammable
and poisonous. They burn violently and can
cause serious injury.
Never allow sparks, flames or smoking
materials near gasoline or diesel fuel
Turn off the engine before refueling.
Whenever you are around gasoline or diesel
fuel, avoid inhaling fumes and any skin or
clothing contact. Extinguish all smoking
materials.
Direct skin contact with fuels and the
inhalation of fuel vapors are damaging your
health.
Fuel
...
Premium-grade unleaded gasoline
To ensure the longevity and full
performance of the engine, only premiumgrade
unleaded gasoline must be used.
If no premium-grade unleaded gasoline is
available and regular unleaded gasoline
mu ...
See also:
General notes
Differential locks are available only in
vehicles with the Off-Road Pro engineering
package.
Your vehicle is equipped with the following:
• A differential lock for the transfer box:
this
...
Octane rating
Premium unleaded gasoline with a Cost of Living Council (CLC) or Anti Knock Index
(AKI) octane rating of 91 or higher should be used.
NOTICE
Even a very small amount of leaded fuel will damag ...
Adaptive Forward Lighting (AFL)
Vehicles with the Adaptive Forward Lighting System (AFL) have headlamps that
swivel to the left or right when making a turn to provide better lighting. To enable
AFL, set the exterior lamp switch ...
