Mercedes-Benz G-Class Operator's Manual page 270

Features
268
If indicator lamp : goes out after approx-
imately 20 seconds and has not flashed rap-
idly:
Release transmitter buttons ;, = or ?
X
on the integrated remote control and trans-
mitter button B on the garage door remote
control.
Repeat the procedure for the other trans-
X
mitter buttons. When doing so, vary the
distance between the garage door's
remote control and the transmitter buttons
in the rear-view mirror.
i
If the garage door system works with a
rolling code, you must synchronize the
remote control integrated in the rear-view
mirror with the garage door system
receiver after programming.
You will find further information in the
garage door opening system's operating
instructions, e.g. the sections on "Synchro-
nizing the transmitter" or "Registering a
new transmitter". You can also call the hot-
line mentioned above.
Synchronizing the rolling code
Integrated remote control in the rear-view mirror
Indicator lamp
:
Transmitter buttons
; = ?
Garage door remote control
A
Transmitter button on the garage
B
door remote control
Your vehicle must be within reach of the
garage door or gate opener drive. Make sure
that neither your vehicle nor any persons/
objects are present within the sweep of the
door or gate.
Observe the safety notes when performing
the rolling code synchronization
( page 267).
Y
Turn the SmartKey to position 2 in the igni-
X
tion lock ( page 133).
Y
Press the programming button of the door
X
or gate drive (see the door or gate drive
operating instructions, e.g. under "Pro-
gramming additional remote controls").
i
You now have 30 seconds to initiate the
next step.
Press previously programmed button ;,
X
= or ? on the integrated garage door
opener until the door closes.
The rolling code synchronization is then
complete.
Notes on programming the remote con-
trol
Canadian radio frequency laws require a
"break" (or interruption) of the transmission
signals after broadcasting for a few seconds.
Therefore, these signals may not last long
enough for the integrated remote control to
recognize the signal during programming.
Comparable with Canadian law, American
garage door openers also have a built-in
"interruption".
If you live in Canada or have difficulties pro-
gramming the garage door opener (regard-
less of where you live) when using the pro-
gramming steps, proceed as follows: