With the ignition still on exit the vehicle locate the learn or train button on your garage door motor.
Mercedes benz garage door pairing.
When the light underneath the mirror flashes in green the pairing is complete and you re ready to go.
Hold the buttons pressed for at least 20 seconds.
Hold your garage door remote up to the mirror and press the button on the remote and on the mirror simultaneously.
Go ahead and press it and return to your vehicle within 30 seconds of pressing that button.
Press this button once and return to the car.
What this does is that it will clear all previously programmed garage door from the memory of your mercedes benz.
This is a video from mercedes on how to program your homelink garage door opener.
Now you no longer need a handheld unit on your visor.