How To Change Key Battery On Mercedes Gle 350. The battery tie down system is loosened and the old battery removed. Put your key horizontally into the open slot.
Tools Needed for Changing a Mercedes Battery. Take the battery compartment out. Learning how to change the battery in your Mercedes-Benz key fob is simple.
Install a new battery with the side up.
Learning how to change the battery in your Mercedes-Benz key fob is simple. Pull the tab at the bottom and push the key into the narrow end of the slot to pop off the cover and replace the batteries. Pull on the tab at the bottom of the fob. When you pull this latch the key will remove itself from its holder.
