Mercedes-Benz B-Class Electric Drive W245 Operator's Manual page 248

Features
246
the first time. If the selected button has
already been programmed, indicator
lamp : lights up yellow after 10 seconds
have elapsed.
Release button ;, = or ?. Indicator
X
lamp : flashes yellow.
Point garage door remote control A
X
towards buttons ;, = or ? on the rear-
view mirror at a distance of 2 to 8 inches (5
to 20 cm).
i
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.
Press and hold button B on remote control
X
A until indicator lamp : lights up green.
If indicator lamp : lights up green or
flashes, then programing was successful.
Release button B of remote control A of
X
the garage door drive.
If indicator lamp : lights up red: repeat the
X
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.
i
If the indicator lamp flashes green after
successful programing, the garage door
system is using a rolling code. After pro-
graming, you must synchronize the garage
door opener integrated in the rear-view mir-
ror with the receiver of the garage door
system.
Synchronizing the rolling code
Pay attention to the "Important safety notes"
( page 245).
Y
Integrated garage door opener in the rear-view mir-
ror
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.
Press the programing button of the door or
X
gate drive (see the door or gate drive oper-
ating instructions, e.g. under "Programing
additional remote controls").
i Usually, you now have 30 seconds to ini-
tiate the next step.
Press previously programmed button ;,
X
= or ? of 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 garage door
opener. The signal is not recognized during
programming. Comparable with Canadian
law, some U.S. garage door openers also fea-
ture a "break".