How to Open Your 1998 Mercedes-Benz S320 Key Fob & Change Battery
If your S320 key fob is not unlock doors correct, the cell battery most likely needs to be replaced. Below, we described how to open your keyless entry remote and change your Mercedes-Benz key battery.
What kind of battery remote key fob use
Changing batteries in remote key fob require 2xCR2025 batteries and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your keyless entry fob's batteries.- flat head screwdriver
- 2xCR2025 batteries
Step by step instruction
Inside of your remote key fob installed coin battery. Move the key out of the way if it is in the keyless entry remote.
Carefully try to disassemble your remote key fob with pry tools. Change 2xCR2025 batteries with flat head screwdriver.
Now it's time to install new batteries inside keyless entry fob's case. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote will not work if you place battery wrong way.
After the new batteries installed, check key fob by pressing buttons. If everything working properly, assemble your fob’s case in reverse order.
At this point squeeze fob’s back cover together. Line your body pieces together and put it together by hands from top to bottom. If your fob case tightly closed, we done. If not, repeat the last step.
How to change the battery video instruction
How To Replace A 1995 - 1999 Mercedes Benz Flip Open Switch Blade Style Key Fob Battery FCC ID KR 55
Still not working? Buy new one