Now you no longer need a handheld unit on your visor.
Mercedes benz garage door pairing.
Now push the programmed button in the car for 2 seconds let go and then repeat it again until the garage door starts to operate.
Hold your garage door remote up to the mirror and press the button on the remote and on the mirror simultaneously.
Hold the buttons pressed for at least 20 seconds.
Some garage door openers may require you to exit the vehicle and push a button on the opener motor.
What this does is that it will clear all previously programmed garage door from the memory of your mercedes benz.
With the ignition still on exit the vehicle locate the learn or train button on your garage door motor.
Go ahead and press it and return to your vehicle within 30 seconds of pressing that button.
If you have programmed a garage door opener to your mercedes benz and would like to keep it skip this step press the two buttons on the bottom on the rear view mirror.