How to Open Your 2002 Mercedes-Benz C320 Key Fob & Change Battery
Keyless entry remote grant easy access to your auto. Once the remote key fob battery is weak you not to be able unlock car from distance. Below, we described how to disassembly your car remote key fob and change your Mercedes-Benz key battery step by step.
What type battery keyless entry remote use
Before starting disassembly remote key fob check all that you need: flat head screwdriver and 2xCR2025 batteries.- 2xCR2025 batteries
- flat head screwdriver
Step by step instruction
A tiny coin cell battery installed inside the your key fob. Remove any internal key first, and then try to pry apart the keyless entry remote.
Carefully try to pry apart your remote key fob with pry tools. Replace CR2025 batteries with flat head screwdriver.
Replace old batteries with new one CR2025. 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 all functions works, assemble your keyless entry fob's shell in reverse order.
The last thing to do is put your cover back on fob. Accurately try to put the two halves in place by hands from top to bottom. Inspect your key body for gaps. If it is not tightly closed try to repeat last step.
Video of remote key fob opening
HOW TO Mercedes Benz KeyFob Battery Replacement. Smart key keyless BRC c230 sl500 e320 ml320 DIY Fix
Still not working? Buy new one