How to Replace the Battery in a 1998 Mercedes-Benz E320 Key Fob
If your Mercedes-Benz keyless entry remote is not unlock doors correct, the cell battery surely needs to be changed. In this post, we explained how to disassembly your car keyless entry remote and replace your Mercedes-Benz key battery step by step.
What kind of battery remote key fob useBefore going to open key fob make sure that you have all recommended tools and materials: flat head screwdriver and two CR2025 batteries.
- 2xCR2025 batteries
- flat head screwdriver
Step by step instruction
Inside of your keyless entry remote installed tiny coin cell battery. Remove any internal key first, and then try to pry apart the keyless entry remote.
Delicately try to pry apart your remote key fob with hands or flat head screwdriver. Replace 2 CR2025 batteries with flat head screwdriver.
Change old batteries with fresh one CR2025. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.
Before assembling fob’s case, verify that everything working good by pressing buttons on keyless entry remote.
The last thing to do is put your cover back on fob. Accurately try to put the pieces together by hands from top to bottom. Inspect your remote key fob case for gaps. If it is not tightly closed try to repeat last step.
Video of key disassembly
How To Replace A 1998 - 2006 Mercedes Benz E320 Key Fob Battery FCC ID IYZ VECTOR