10 Simple Steps to Replace Your Mercedes Benz Key Battery

10 Simple Steps to Replace Your Mercedes Benz Key Battery

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Changing the battery in your Mercedes Benz key fob is an easy process that may be achieved in a couple of minutes. In case your key fob is just not working correctly, or if the battery is weak, you will need to exchange the battery as quickly as doable.

There are two varieties of Mercedes Benz key fobs: those who use a conventional button battery, and those who use a chargeable battery. The kind of battery that your key fob makes use of will depend upon the 12 months and mannequin of your Mercedes Benz.

To switch the battery in a key fob that makes use of a conventional button battery, you have to a small Phillips head screwdriver. First, take away the screw that’s situated on the again of the important thing fob. As soon as the screw is eliminated, it is possible for you to to open the important thing fob and exchange the battery.

How To Substitute Mercedes Benz Key Battery

Step 1: Collect the Crucial Instruments

You have to a small flathead screwdriver, a brand new CR2025 battery, and a comfortable material.

Step 2: Take away the Key Blade

Use the flathead screwdriver to softly pry open the small plastic cowl on the again of the important thing fob. As soon as the duvet is open, fastidiously take away the important thing blade.

Step 3: Open the Key Fob

Use the flathead screwdriver to fastidiously pry open the 2 halves of the important thing fob. Watch out to not injury the circuit board inside.

Step 4: Take away the Previous Battery

Use the flathead screwdriver to softly pry out the previous battery. Ensure to notice the orientation of the battery with the intention to insert the brand new one accurately.

Step 5: Insert the New Battery

Insert the brand new battery into the important thing fob, ensuring that the optimistic (+) facet is dealing with up. Press down on the battery till it clicks into place.

Step 6: Shut the Key Fob

Align the 2 halves of the important thing fob and press them collectively till they snap shut. Substitute the small plastic cowl on the again of the important thing fob.

Step 7: Check the Key Fob

Press the lock or unlock button on the important thing fob to ensure that it’s working correctly.

Frequent Troubleshooting Ideas

10. Key Fob Not Working After Changing Battery

In case your key fob continues to be not working after you have got changed the battery, there could also be just a few different points that may very well be inflicting the issue. Listed below are some further troubleshooting ideas:

  1. Verify the battery once more to ensure it’s inserted accurately and that it’s the appropriate kind of battery.
  2. Clear the battery contacts with a comfortable material to take away any filth or particles.
  3. Attempt resetting the important thing fob by holding down the lock and unlock buttons concurrently for 10 seconds.
  4. If the important thing fob continues to be not working, it could have to be reprogrammed. You are able to do this at a Mercedes-Benz dealership or through the use of a locksmith.

The right way to Substitute Mercedes Benz Key Battery

Changing the battery in your Mercedes Benz key fob is a fast and straightforward course of that may be achieved in only a few minutes. Listed below are the steps on how one can do it:

  1. Find the small screw on the again of the important thing fob and use a small screwdriver to take away it.
  2. Rigorously pry open the 2 halves of the important thing fob.
  3. Find the battery inside the important thing fob and take away it utilizing a small screwdriver or your fingers.
  4. Substitute the previous battery with a brand new one of many similar kind.
  5. Shut the 2 halves of the important thing fob and tighten the screw.

If in case you have a keyless entry Mercedes Benz, you could have to reprogram the important thing after changing the battery. To do that, merely insert the important thing into the ignition and switch it to the “on” place. Then, press and maintain the lock button on the important thing fob for about 10 seconds. The important thing fob will beep as soon as to point that it has been reprogrammed.

Folks Additionally Ask

How lengthy does a Mercedes Benz key battery final?

The battery in a Mercedes Benz key fob usually lasts for about 3 years.

Can I exploit any kind of battery in my Mercedes Benz key fob?

No, you could use a particular kind of battery that’s designed for Mercedes Benz key fobs. The proper battery kind is normally listed on the again of the important thing fob.

What occurs if I do not exchange the battery in my Mercedes Benz key fob?

If the battery in your Mercedes Benz key fob is just not changed, it’s going to ultimately die and the important thing fob will not work. This will make it troublesome or inconceivable to begin your automobile.