how to open trunk without power

You will need to use your emergency spare key which is part of your regular key, its the little chrome part that slides out of the plastic key housing. Once youve removed the spare key walk out to you car and look up where your trunk handle is above you liscence plate. You should see a key hole next to the trunk handle thats where youll use your spare key and gain access to your trunk. Also there should be info in your owners manual with pics as well.

yes you should have an extra key , that has the ability to open the doors and the trunk , but doesn't start the car , and good luck

I've tried that many times & I still can't get it open

How to open mercedes benz s500 4matic when battery is disconnected and trunk and doors are lock