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:
Towing the vehicle on four wheels
WARNING
If the engine cannot be used during towing, there will be no power assistance
to the braking or steering systems. This will result in much greater effort to steer
and stop the vehicl ...
Installing top tether strap (2nd row captain’s seats or 2nd row bench seat)
2nd row bench seat
First, secure the child restraint with the
LATCH lower anchors (2nd row captain’s or
bench outboard seating positions only) or
the seat belt, as applicable.
1. If ...
Treadwear
The treadwear grade is a comparative
rating based on the wear rate of the tire
when tested under controlled conditions
on a specified government test course. For
example, a tire graded 150 wou ...
