How To Change Battery In 2007 Mercedes Key Fob. Replace the existing CR 2025 batteries with two new ones. There are several Mercedes Smart Key remotes so make sure to look at the correct video.
Slide the release at the end of the key to remove the metal key from the key fob. The black Mercedes-Benz car key uses a CR2025 battery. Replace the existing CR 2025 batteries with two new ones.
Pull the latch at the end of the key holder.
There are several Mercedes Smart Key remotes so make sure to look at the correct video. Tap the Smart Key against your palm until the battery falls out. Replace the battery in your 2007 Mercedes-Benz C230 Sport 25L V6 FlexFuel once every 4 years for optimal performance. Look on the bottom of the key fob and youll find a small black button.
