How To Replace Mercedes Benz Key Fob Battery. Contact Our Friendly Service Staff to Ask About Batteries for Your Mercedes. Time to replace the key fob battery in your Mercedes.
Take out the old battery and put the new battery in the fob facing the correct way. Mercedes Benz Smart Key Battery tutorial. Then move the key horizontally into the open slot and carefully lift the battery out of its compartment.
Whether you have a newer Chrome SmartKey or an older SmartKey the key type will impact how the batteries will need to be changed.
Pull the latch at the end of the key holder. Push your key horizontally into the open slot. To replace your Mercedes-Benz key fob battery in an older SmartKey. Put your key horizontally into the open slot.
