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Replace the Key Fob Battery on Mercedes A-Class

Model: Mercedes Classe A W176 - Years 2012-2018
Part: Key

Let's see how to replace the key fob battery on a Mercedes A-Class. Take the ignition key and remove the metal key. Once the metal key is removed, insert it into the plastic part of the key to unlock the back. Use a small screwdriver to extract the dead battery, take a new one (same size and voltage), and replace it. Reassemble the key fob cover by pressing on the key cover until you hear it click into place. Check the key's operation after replacing the battery: press the buttons on the key.

Updated on 29 March 2026 by ScegliAuto

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How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

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