Mercedes-Benz 2015 M-Class Operator's Manual page 364

Features
362
Press and hold button B on remote control
X
A until indicator lamp : lights up green.
When indicator lamp : lights up green:
programing is finished.
When indicator lamp : flashes green: pro-
graming was successful. The next step is to
synchronize the rolling code.
Release button B on remote control A for
X
the garage door drive system.
If indicator lamp : lights up red: repeat the
programing procedure for the correspond-
ing button on the rear-view mirror. When
doing so, vary the distance between remote
control A and the rear-view mirror.
The required distance between remote
control A and the integrated garage door
opener depends on the garage door drive
system. Several attempts might be neces-
sary. You should test every position for at
least 25 seconds before trying another
position.
Synchronizing the rolling code
Pay attention to the "Important safety notes"
( page 361).
Y
If the garage door system uses a rolling code,
you will also have to synchronize the garage
door system with the integrated garage door
opener in the rear-view mirror. To do this you
will need to use the programing button on the
door drive control panel. The programing but-
ton may be positioned at different locations
depending on the manufacturer. It is usually
located on the door drive unit on the garage
ceiling.
Familiarize yourself with the garage door
drive operating instructions, e.g. under "Pro-
graming of additional remote controls",
before carrying out the following steps.
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.
Turn the SmartKey to position 2 in the igni-
X
tion lock ( page 157).
Y
Get out of the vehicle.
X
Press the programing button on the door
X
drive unit.
Usually, you now have 30 seconds to ini-
tiate the next step.
Get into the vehicle.
X
Press previously programed button ;, =
X
or ? on the integrated garage door opener
until the door closes.
The rolling code synchronization is then
complete.
Notes on programing the remote control
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 garage door
opener. The signal is not recognized during
programing. Comparable with Canadian law,
some U.S. garage door openers also feature a
"break".
Proceed as follows:
if you live in Canada
R
if you have difficulties programing the
R
garage door opener (regardless of where
you live) when using the programing steps.
Press and hold one of buttons ; to ? on
X
the integrated garage door opener.
After a short time, indicator lamp : lights
up yellow.
Release the button.
X
Indicator lamp : flashes yellow.
Press button B of garage door remote
X
control A for two seconds, then release it
for two seconds.
Press button B again for two seconds.
X
Repeat this sequence on button B of
X
remote control A until indicator lamp :
lights up green.
When indicator lamp : lights up green:
programing is finished.