2009 Mercedes-Benz S500 Key Fob Battery Replacement Guide
If your car remote key fob is no longer unlock doors well, the battery more likely needs to be changed. In this post, we described how to disassembly your remote key fob and change your Mercedes-Benz key battery step by step.
What type battery remote key fob requireBefore beginning open key fob make sure that you have all recommended tools and materials: flat head screwdriver and 2 CR2025 batteries.
- flat head screwdriver
- 2xCR2025 batteries
Simple steps to change the battery in your car's remote key fob
Inside of your remote key fob installed tiny coin cell battery. Remove any internal key before you try to pry apart the remote key fob.
Accurately try to open your key fob with flat head screwdriver. Replace 2 CR2025 batteries with flat head screwdriver.
Change old batteries with new one CR2025. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check position on battery, by "+" mark.
Before assembling keyless entry fob's case, verify that all functions works by pressing buttons on remote key fob.
The last thing to do is put your cover back on fob. Gently try to assemble the pieces together by hands from top to bottom. If your remote key fob shell tightly closed, we done. If not, repeat the last step.
Key Fob Battery Replacement 2009 Mercedes-Benz S500 Video
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries
Still not working? Buy new one