This may have to be several times.
Program mirror garage door opener.
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.
Choose the homelink button you would like to program to open your garage and hold it down simultaneously with your hand held transmitter.
If your opener uses rolling code technology press and release the learn or smart button on the garage door motor.
Press homelink and transmitter buttons at the same time.
Return to the vehicle and firmly press and hold the desired homelink button for two seconds and release.
How do you program an after market mirror garage door opener.
You will have to follow the manufacturer s instructions.
Hold the device about 1 3 inches from the homelink buttons.
What this does is that it will clear all previously programmed garage door from the memory of your mercedes benz.
Then press the learn button the opener and then press and hold the button on the mirror.
This process is the same for all makes and models and should only take you 5 minutes if.