How to Replace the Battery in a 2004 Mercedes-Benz SL55 AMG Key Fob
If your SL55 AMG key isn't open doors correct, the cell battery more likely must to be changed. Below, we outlined how to open your car remote key fob and change your Mercedes-Benz key battery step by step.
What is the battery keyless entry remote requireBefore going to disassembly remote key fob check all that you need: CR2025 batteries and flat head screwdriver.
- flat head screwdriver
- 2xCR2025 batteries
Simple steps to change the battery in your car's key fob
Inside of your remote key fob installed small button battery. Move the key out of the way if it is in the keyless entry remote.
Carefully try to open your keyless entry remote with flat head screwdriver. Remove 2 CR2025 batteries with flat head screwdriver.
Change old batteries with fresh one CR2025. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you place battery wrong way.
Before assembling keyless entry fob's case, verify that all functions works by testing 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. If your remote key fob case firmly closed, we done. If not, repeat the last step.
Video of key opening
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries
Still not working? Buy new one