Press this button once and return to the car.
Mercedes benz garage door pairing.
Hold your garage door remote up to the mirror and press the button on the remote and on the mirror simultaneously.
With the ignition still on exit the vehicle locate the learn or train button on your garage door motor.
Some garage door openers may require you to exit the vehicle and push a button on the opener motor.
Go ahead and press it and return to your vehicle within 30 seconds of pressing that button.
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.
This is a video from mercedes on how to program your homelink garage door opener.
What this does is that it will clear all previously programmed garage door from the memory of your mercedes benz.
Now you no longer need a handheld unit on your visor.