How to Replace the Battery in a 2006 Mercedes-Benz SL500 Key Fob
Remote key fob allow easy access to your auto. If the remote key fob battery is dead you will not to be able lock trunk or doors remotely. In this case, you’ll benefit from knowing how to open Mercedes-Benz remote key fob and change a discharged battery DIY. If you gonna solve to do it at home near SL500, use this guide, but don't forget to check everything you need.
What size battery does 2006 Mercedes-Benz SL500 key fob requiredReplacing batteries in remote key fob require CR2025 batteries and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.
- flat head screwdriver
- 2xCR2025 batteries
Step by step instruction
Inside of your keyless entry remote installed tiny coin cell battery. Remove any internal key before you try to pry apart the key fob.
Delicately try to open your key fob with pry tools. Remove CR2025 batteries with flat head screwdriver.
Get new batteries and install it inside keyless entry fob's body. 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 polarity on battery, by "+" mark.
When the new batteries installed, verify key fob functionality by pressing buttons. If everything is functioning, assemble your fob’s case in reverse order.
At this point squeeze fob’s back cover together. Line your shell two halves together and put it in place by hands from top to bottom. Check your remote key fob case for gaps. If it is not firmly closed try to repeat last step.
Video of key fob opening
SOLVED - Mercedes Benz Keyfob Battery Replacement | Smart Key Fob Dead Batteries