2003 Mercedes-Benz E500 Key Fob Battery Replacement Guide
Remote key fob allow access to your auto. If the keyless entry remote battery is dead you’ll not to be able close car remotely. In this case, you will benefit from knowing how to disassembly your car keyless entry remote and replace a dead or weak battery DIY. If you choose to do it at home near E500, follow our instruction, but first make sure you have all you need.
What type battery does 2003 Mercedes-Benz E500 remote key fob requiredChanging batteries in key fob require 2 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.
- 2xCR2025 batteries
- flat head screwdriver
Step by step guide
A coin battery installed inside the your keyless entry remote. Remove any internal key first, and then try to pry apart the remote key fob.
Delicately try to disassemble your key with pry tools. Remove 2xCR2025 batteries with flat head screwdriver.
Get new batteries and install it inside fob’s case. 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 fob’s case, make sure that all functions works by pressing buttons on keyless entry remote.
The last thing to do is put your cover back on fob. Gently try to put the two halves together by hands from top to bottom. If your remote key fob case firmly closed, we done. If not, repeat the last step.
Video of key fob disassembly
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