This is a video from mercedes on how to program your homelink garage door opener.
Mercedes benz garage door pairing.
Go ahead and press it and return to your vehicle within 30 seconds of pressing that button.
Hold the buttons pressed for at least 20 seconds.
When the light underneath the mirror flashes in green the pairing is complete and you re ready to go.
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.
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.