How to Open Your 2007 Mercedes-Benz S550 Key Fob & Change Battery
Key fob grant access to your car. When the key fob battery is weak or dead you’ll not to be able unlock car from distance. In this post, we outlined how to disassembly your remote key fob and change your Mercedes-Benz key battery step by step.
What type battery does 2007 Mercedes-Benz S550 key fob requiredBefore starting open key fob be sure that you have all required tools and materials: flat head screwdriver and 2 CR2025 batteries.
- 2xCR2025 batteries
- flat head screwdriver
Step by step instruction
A button cell battery installed inside the your keyless entry remote. Move the key out of the way if it is in the keyless entry remote.
Gently try to open your key fob with flat head screwdriver. Change two CR2025 batteries with flat head screwdriver.
Replace old batteries with fresh one CR2025. Battery must be installed with the same position as was a previous. Your key will not work if you mistakenly put battery wrong way.
Before assembling fob’s case, make sure that everything is functioning by pressing buttons on key fob.
At this point squeeze fob’s back cover together. Line your body pieces together and assemble 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.
How to replace the battery video guide
Mercedes Key Fob Battery Change Replacement Chrome Key by MercedesMedic.com round panic
Still not working? Buy new one