Requires Two CR2025 Batteries.
Only a few dollars on Amazon Link: [ Ссылка ]

Learn how to replace your smart key fob battery. It's very simple. If your key looks different, see instructions with pictures for all keys

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Get instructions with pictures as well.

How to replace your car key remote fob battery on Mercedes Benz A, C, E, S, SL, SLK, CLK, ML, vito

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