Description
The Mercedes-Benz Key Battery A0008280388 is a genuine OEM lithium coin cell developed for use in Mercedes-Benz smart keys and keyless entry remotes.
This high-performance battery provides stable voltage output, long service life, and dependable power delivery to keep your remote functions — including locking, unlocking, and engine start — working flawlessly.
Built to Mercedes-Benz electrical standards, the A0008280388 ensures consistent performance in varying temperatures and usage conditions.
Whether your key fob signal is weakening or the remote isn’t responding, replacing the cell with this genuine battery instantly restores factory-level responsiveness and range.
Compatible with most Mercedes-Benz A-Class, C-Class, E-Class, GLC, and GLE smart keys, it’s an easy plug-in replacement requiring no coding or reprogramming.
⚙️ Key Features
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Genuine Mercedes-Benz OEM Key Battery – Part No. A0008280388
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Compatible with CR2025 / CR2032 smart key systems
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Provides strong signal and long-lasting power
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Maintains keyless entry and start functionality
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Easy DIY replacement – no programming required
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Built to OEM reliability and performance standards
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Suitable for a wide range of Mercedes-Benz models
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