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How to Replace the Battery of a Mercedes Class B Key Fob

Model: Mercedes Classe B MK 1, W245 - Years: 2005, 2006, 2007, 2008, 2009, 2010, 2011
Part: Key

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Video tutorial

How do you replace the worn battery of a Mercedes Class B key fob? Follow this detailed video: take your key fob and slide the button to release the metal key. Once extracted, use it to pry open the key cover; lever it until the two pieces separate.

Remove the exhausted battery with a screwdriver; take a new one of the same size and voltage.

Reassemble the cover with the buttons by pressing on the key fob until you hear the locking click. Insert the metal key back into the key fob. Check the proper functioning of the key fob.


Updated on 3 March 2026 by ScegliAuto


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How to Remove the Rear Seat of a Hyundai Tucson?

To remove the rear seat of a Hyundai Tucson, follow these steps. Start by moving the front seats to their most forward position to gain space. Next, locate the release lever on the underside of the rear seat, near the floor. Press this lever down while pulling the seat upwards to unlock it from the anchor pins. Once unlocked, tilt the seat upwards and forwards to remove it from its position. Repeat this process for both sides of the rear seat. Be careful of any electrical cables or components that may be connected to the seat during removal. Once the rear seat is removed, the disassembly is complete.

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by ScegliAuto

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