1999 Mercedes-Benz S320 Key Fob Battery Replacement Instructions
If your S320 key isn't open doors perfectly, the cell battery likely must to be changed. In this post, we described how to disassembly your car remote key fob and replace your Mercedes-Benz key battery.
What type battery key fob useChanging batteries in remote key fob require two CR2025 batteries and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
- flat head screwdriver
- 2xCR2025 batteries
Step by step instruction
A tiny button cell battery installed in the your remote key fob. Remove any internal key before you try to pry apart the remote key fob.
Carefully try to pry apart your keyless entry remote with hands or flat head screwdriver. Remove 2xCR2025 batteries with flat head screwdriver.
Replace old batteries with new one CR2025. Battery must be installed with the same polarity as was a previous. Your remote key fob will not work if you mistakenly put battery wrong way.
Before assembling keyless entry fob's case, verify that all working fine by testing buttons on circuit board.
The last thing to do is put your cover back on fob. Carefully try to put the two halves in place 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.
Key Fob Battery Replacement 1999 Mercedes-Benz S320 Video
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