It is rare for this problem to suddenly appear.
Mercedes garage door opener stopped working.
Now the e55 and overhead door opener are working.
If all above test or check good then reset or reprogram your garage door opener.
If it happens at all it will usually be noticed when you first install the garage door opener.
This type of opener usually requires slightly longer presses before the opener activates.
When this unusual problem occurs it means the up limit switch probably needs to be moved away from the motor unit.
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.
What this does is that it will clear all previously programmed garage door from the memory of your mercedes benz.
Check that the antenna on your garage door opener is securely attached and working.
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.
Test or replace all batteries in handheld remote garage door transmitter s and built in car garage door openers.
Garage door opens but the motor won t stop running.