Do it yourself
Frequently asked questions about cars and motorcycles

How to Change the Key Fob Battery on a Mercedes A 160

Model: Mercedes Classe A W168 - Years 1997-2004
Part: Key

Follow these steps to replace the battery in the key fob of a Mercedes A 160: Take your key fob and press the metal key release button; once the metal key is out, use a screwdriver to pry between the two covers of the key (in the space where the metal key fits). Pry until the cover opens. Remove the worn battery with a small screwdriver; take a new one of the same size and voltage. Press the key case until you hear it click into place. Finally, check the key fob's functionality by pressing the buttons.

Updated on 7 March 2026 by ScegliAuto

Video tutorial

Related tutorials

Mercedes Classe A (2018-2026 / W177) To replace the key fob battery in a Mercedes A-Class, extract the integrated mechanical key by pressing the release button on the fob. Next, use the …
Mercedes Classe A (2004-2012 / W169) How do you replace the battery in the remote key for your Mercedes A-Class? Let's see how to do it. Take your ignition remote and pull out the metal …
Mercedes Classe A (2004-2012 / W169) To replace the dead battery in a Mercedes A-Class remote, follow a few simple steps. First, remove the emergency key, then use a screwdriver to pry o…

Other guides you may be interested in

    Frequently Asked Questions

    • Classe A 2012-2018 - Why is my Mercedes A-Class W176 key not recognized? Read answer

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.

Watch the video!


by ScegliAuto

More videos