Mercedes Garage Door Opener Stopped Working

It is rare for this problem to suddenly appear.
Mercedes garage door opener stopped working. What this does is that it will clear all previously programmed garage door from the memory of your mercedes benz. 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. Before any garage door remote works correctly. Quickly rush back to your car and press and release the homelink button you are programming a few times with slightly varying lengths until the opener activates.
I used it to program a homelink button went home and put the garage door opener in learning mode by pressing the square program button until the long blue led comes on then used the homelink in the e55 to send a signal to the overhead unit and it learned the signal. Now the e55 and overhead door opener are working. Garage door opens but the motor won t stop running. If it happens at all it will usually be noticed when you first install the garage door opener.
If all above test or check good then reset or reprogram your garage door opener. Hold the buttons pressed for at least 20 seconds. When this unusual problem occurs it means the up limit switch probably needs to be moved away from the motor unit. Try reprogramming resetting all remote garage door transmitters.
The opener remotely sends an infrared or ir signal to a receiver that triggers a switch promting an electric motor to open or close the garage door.