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Frequently asked questions about cars and motorcycles

How to Replace the Battery in the Mercedes A-Class Key Fob

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

To disassemble the Mercedes A-Class key fob to replace the battery, pull the physical key out of its slot by the keyring. Next, using a screwdriver, insert it into the slot next to the key fob (as shown in the images) and pry off the plastic cover where there is no symbol. This will allow you to remove it and access the battery. The battery is secured in its housing; simply pry it out with a screwdriver or shake the key fob to release it for replacement.

Updated on 5 March 2026 by ScegliAuto

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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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