Mercedes-Benz GL-Class: Mechanical key
General notes
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered.
There are several ways to turn off the alarm:
► To turn the alarm off with the
SmartKey: press the
button
on the SmartKey.
or
► Insert the SmartKey into the ignition
lock.
or
► To deactivate the alarm with KEYLESSGO:
press the Start/Stop button in the
ignition lock. The SmartKey must be in the
vehicle.
or
► Lock or unlock the vehicle using
KEYLESSGO.
The SmartKey must be outside the vehicle.
Removing the mechanical key

► Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey.
Restoring the factory settings
► Press the
buttons
simultaneously for approximately six
seconds until the battery check lamp
flashes twice. ...
SmartKey battery
Important safety notes
It is advisable to have batteries replaced at a
qualified specialist workshop, e.g. at an
authorized Mercedes-Benz Center.
WARNING
Batteries contain toxic and c ...
See also:
Connecting booster cables
WARNING
Always wear appropriate eye protection when working with batteries.
Make sure both batteries are of the 12 volt type and that the booster cables
have insulated clamps and are approved ...
Fuel filler
WARNING
When refueling ensure that all windows, doors, and sunroof are fully closed,
particularly if young children or animals are in the vehicle.
WARNING
Do not attempt to fill the tan ...
Vanity mirror lights
The light on the vanity mirror will turn on
when the cover on the vanity mirror is
opened.
When the cover is closed, the light will turn
off.
The lights will also turn off after 15
minut ...






