2010 Mercedes-Benz S600 Key Fob Battery Replacement Guide

Key fob grant easy access to your auto. Once the keyless entry remote battery is discharged you’ll not to be able open doors remotely. Yes, it is possible to replace the battery in your remote key fob by yourself. All tools, that you need is described below.
What size battery does 2010 Mercedes-Benz S600 key fob required
Don't forget before disassembly remote key fob make sure that you have all required tools and materials: CR2025 batteries and flat head screwdriver.- 2xCR2025 batteries
- flat head screwdriver
Step by step guide
Inside of your keyless entry remote installed small coin battery. Move the key out of the way if it is in the remote key fob.
Accurately try to disassemble your remote key fob with pry tools. Remove CR2025 batteries with flat head screwdriver.
Change old batteries with new one CR2025. Battery must be placed with the same polarity as was an old. 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 pressing buttons on circuit board.
At this point squeeze keyless entry fob's back cover together. Line your case pieces together and put it together by hands from top to bottom. Check your key case for gaps. If it is not firmly closed try to repeat last step.
Video of remote key fob disassembly
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries
Still not working? Buy new one