Enhance the Security and Convenience of Your Mercedes Key with the Mercedes Battery Holder Cassette & Sprung Key Holder Introducing a convenient and practical accessory for your Mercedes key fob - the Mercedes Battery Holder Cassette & Sprung Key Holder. This accessory includes a battery holder cassette and a sprung key holder, designed to keep your key components secure and organized. The battery holder cassette ensures that your key's battery stays in place, preventing any accidental dislodging that could disrupt your key's functionality. No more worries about a dead key fob due to loose batteries! The sprung key holder keeps your Mercedes key securely attached to your keychain or belt loop, providing easy access while keeping it safe from being lost or misplaced. Crafted with precision and using durable materials, this accessory is built to withstand daily wear and tear, ensuring long-lasting performance and reliability. Installation is a breeze, and it is compatible with various Me