How To Change Mercedes Key Battery

December 5, 2020

For the smart key, pull the latch at the end of the key holder, stick your key horizontally into the open slot, and lift the battery compartment out to replace the batteries. The message to change the battery in the key fob appeared about 6 months ago.

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To change a mercedes key battery, start by pulling the silver tab at the bottom of the key holder back to release the manual key.

How to change mercedes key battery. Safety precautions when changing a mercedes car battery. Once you’ve removed the cover, remove the exposed cr 2025 batteries and replace them with new ones. Press the back cover and metal key in the key.

Pull the grey tab, take out the key, insert it into the groove from the side, then pull out the battery compartment. Tap the smart key against your palm until the battery falls out. This process for how to change your car key differs slightly for each key version.

Slide the battery compartment into the smartkey until it locks, then slide the mechanical key into the smartkey to close it. How do you know you need a new battery? In the meantime, you will need to start your mb by inserting the key into the ignition.

Or even worse, door lock/ unclock is not even working. Make sure to save the engine start/stop button so that you can reinsert it once you change the battery in your mercedes key fob. Therefore, it is crucial to prevent contact between the positive terminal and the negative terminal, and also between the positive terminal and the frame of the vehicle.

How to change the battery on the mercedes benz smart key fob. After the key releases, there will be a visible slot at the end of the key fob. Slide the black tab to release the metal key.

Common mercedes key fob problems The remote lock or unlock range is poor. Pull on the bottom tab of the key, away from the rest of the fob.

So i did, i bought a brand new battery but the message came up the next time i used the key even though i replaced the battery. Pull until the key releases. Like any battery, these batteries sometimes die and need to be replaced.

Replace your batteries and slide everything back into place. First, you need to determine whether you have a smart key or a chrome key. Then, push it into the narrow opening to unlatch and loosen the cover.

Although some batteries last much longer, most batteries begin breaking down chemically after four years, so you could experience dimmer headlights and other negative effects before you have a. Whether you have a newer chrome smartkey® or an older smartkey®, the key type will impact how the batteries will need to be changed. Pull on the latch end of the fob and the key should remove on its own.

Reinstall the battery cover by inserting the plastic tabs, then pushing the cover closed. Locate and test the battery. Generally speaking, when mercedes key fob is not working, it’s because either because the key is defective or the all activity module (aam) is not recognizing the key signal, or it is not receiving signal due to an antenna issue.

The smart keys are fitted with small batteries like those used in watches. There you have it, this is how you change a mercedes key battery on all models of the smart key fob. To open your smart key, follow the steps below:

It’s very easy to do, and once you’ve done it once or twice, you get the hang of it. You may have either a chrome key or a smart key, and that impacts how the batteries are changed. I have no problem unlocking the doors using the push button on the key fob or grabbing the door handle.

Release the key as soon as the engine cranks. Use the metal key to unlock the key insert (the part inside the key that holds the batteries) and slide it out of the key.

Mercedes Key Battery change Older Style Vito, Sprinter, C