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.
Program mirror garage door opener.
Press homelink and transmitter buttons at the same time.
Hold the device about 1 3 inches from the homelink buttons.
Return to the vehicle and firmly press and hold the desired homelink button for two seconds and release.
This process is the same for all makes and models and should only take you 5 minutes if.
Hold the buttons pressed for at least 20 seconds.
3 easy steps to clear and program your homelink garage door opener.
How do you program an after market mirror garage door opener.
Once the button is pressed you have 30 seconds in which to initiate the next step.
What this does is that it will clear all previously programmed garage door from the memory of your mercedes benz.
Choose the homelink button you would like to program to open your garage and hold it down simultaneously with your hand held transmitter.
This may have to be several times.