![I have been asked to repair this water damaged mercedes key. I'm wondering what is the IC for? And if anyone can point me in the direction of a data sheet or I have been asked to repair this water damaged mercedes key. I'm wondering what is the IC for? And if anyone can point me in the direction of a data sheet or](https://preview.redd.it/eixseooahok61.jpg?width=1472&format=pjpg&auto=webp&s=dbec19f5342c3c3af2febf1a8b237a86aae9dade)
I have been asked to repair this water damaged mercedes key. I'm wondering what is the IC for? And if anyone can point me in the direction of a data sheet or
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