Mercedes-Benz GL-Class: Automatic anti-glare mirrors
WARNING 
If incident light from headlamps is prevented
from striking the sensor in the rear-view
mirror, for instance, by luggage piled too high
in the vehicle, the mirror's automatic antiglare
function will not operate.
Incident light could then blind you. This may
distract you from the traffic conditions and,
as a result, you may cause an accident.
The rear-view mirror and the exterior mirror on the driver's side automatically go into antiglare mode if the ignition is switched on and incident light from headlamps strikes the sensor in the rear-view mirror.
The mirrors do not go into anti-glare mode if reverse gear is engaged or the interior lighting is switched on.
Exterior mirror out of position
If an exterior mirror has been pushed out of
position, proceed as follows:
► Vehicles without electrically folding
exterior mirrors: move the exterior mirror
into the correct position manu ...
Parking position for the exteriormirror on the front-passenger side
Setting and storing the parking position
You can position the front-passenger side
exterior mirror in such a way that you can see
the rear wheel on that side as soon as you
engage reverse gear. Yo ...
See also:
LED Lighting
The vehicle may have LED headlamps. For replacement of the LED lighting assembly
contact your dealer. ...
Larger children
Children who are too large for child
restraints should be seated and restrained
by the seat belts which are provided. The
seat belt may not fit properly if the child is
less than 4 ft 9 in (14 ...
Readiness for Inspection/Maintenance (I/M) test
A vehicle equipped with Four-Wheel Drive
(4WD) should never be tested using a two
wheel dynamometer (such as the dynamometers
used by some states for emissions
testing), or similar equipment. ...
