What this does is that it will clear all previously programmed garage door from the memory of your mercedes benz.
Mercedes garage door opener stopped working.
Before any garage door remote works correctly.
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.
Try reprogramming resetting all remote garage door transmitters.
It is rare for this problem to suddenly appear.
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.
Hold the buttons pressed for at least 20 seconds.
Garage door opens but the motor won t stop running.
This type of opener usually requires slightly longer presses before the opener activates.
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.
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.
When this unusual problem occurs it means the up limit switch probably needs to be moved away from the motor unit.
If all above test or check good then reset or reprogram your garage door opener.
Now the e55 and overhead door opener are working.