How To Change Battery In Mercedes Key Fob

How To Change Battery In Mercedes Key Fob. Pull the latch at the end of the key holder. The newer chrome key only needs one cr 2025.

Replacing the Key Fob Batteries for a W211 EClass autoevolution
Replacing the Key Fob Batteries for a W211 EClass autoevolution from www.autoevolution.com

Pull on the sliding tab on the key fob. Push the key into the small gap in the fob. The gap will be visible after the key comes out.

On The Back Of The Key, Unscrew The Battery Cover By Turning It Counterclockwise.


You’ll need one cr 2025 battery for the newer chrome key, while the older smartkey® calls for two. Insert the key into the slot revealed after key removal. Older vehicles will use a smart key, which requires two batteries, and newer models use the chrome key, which uses a single battery.

Push The Key Into The Narrow End Of The Slot To Remove The Cover.


Whether you have a newer chrome smartkey® or an older smartkey®, the key type will impact how the batteries will need to. Turn the key to open the key fob. There are several mercedes smart key remotes so make sure to look at the correct video.

Put The New Battery In Its Place, Making Sure That The New Battery Is Facing The Right Way.


Pull on this bottom tab until the key releases from the fob. Lift out the battery compartment and replace the batteries. Or even worse, door lock/ unclock is not even working.

Replace The Old Battery With The New Battery Ensuring The Battery Faces The Same Direction As The Old Battery.


Keep in mind that the key your mercedes uses depends on its age. Screw the battery cover back on by. For the smart key pull the…

Now, Remove The Key Fob Cover By Pushing The Key Into The Narrow End Of The Slot, And Remove The Battery.


Then, extricate the key from the fob. Pull on the tab at the bottom of the fob. Take out the back of the key.

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