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Replacing the Key Battery in a Mercedes

Model: Mercedes Mercedes Various
Part: Key

In this video tutorial, you will learn how to replace the battery in the remote key of a Mercedes-Benz. For this type of key, slide the window as shown in the video to extract the ignition key. Next, insert the tip of the key into the slot to remove the internal chip. You will now have access to the batteries, which in this case are two. Remove them and replace them only with high-quality, long-lasting batteries. Remember to check the type of battery before fitting the new one and ensure it is correct.

Updated on 18 March 2026 by ScegliAuto

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