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