5 Quick Steps: How to Change Mercedes Key Fob Battery

5 Quick Steps: How to Change Mercedes Key Fob Battery

Is your Mercedes-Benz key fob performing up? If the buttons have gotten much less responsive or if the vary appears to be getting shorter, it is most likely time to vary the battery. Changing the battery is a fast and simple course of that may be achieved at house with just some easy instruments. On this article, we’ll stroll you thru the steps on the best way to change the battery in your Mercedes-Benz key fob, so you will get again to driving with peace of thoughts.

Earlier than you begin, you will want to collect just a few instruments. You will want a small Phillips head screwdriver, a flathead screwdriver, and a brand new CR2025 battery. After you have your instruments, you possibly can comply with these steps to vary the battery in your Mercedes-Benz key fob:

First, find the small screw on the again of the important thing fob. Use the Phillips head screwdriver to take away the screw. As soon as the screw is eliminated, you can open the important thing fob by prying it open with the flathead screwdriver. Watch out to not harm the important thing fob while you’re opening it.

Insert the New Battery

After you have eliminated the previous battery, it’s time to insert the brand new one. Listed here are the steps on the best way to do it:

  1. Guarantee that the brand new battery is the right sort on your key fob.
  2. Orient the brand new battery accurately within the battery compartment. The constructive (+) facet of the battery ought to be dealing with up.
  3. Gently press down on the brand new battery till it clicks into place.
  4. Exchange the battery cowl and safe it in place.
  5. Take a look at your key fob to be sure that it’s working correctly.

Listed here are some further suggestions for inserting the brand new battery:

  • Watch out to not contact the metallic contacts on the battery or the battery compartment.
  • Don’t use a metallic object to insert the battery.
  • If you’re having bother inserting the battery, strive utilizing a pair of tweezers.

Battery Alternative Value

The price of changing a Mercedes key fob battery will differ relying on the make and mannequin of your car.

Automobile Battery Alternative Value
Mercedes-Benz C-Class $50-$100
Mercedes-Benz E-Class $75-$125
Mercedes-Benz S-Class $100-$150

Take a look at Your Key Fob

Earlier than you begin to change a battery, first, you must take a look at your key fob to be sure that the battery is the issue. So as to take a look at the important thing fob, do as follows:
1. Collect your supplies. You’ll need a brand new battery on your key fob, a small screwdriver, and a pair of pliers.
2. Open the important thing fob. The important thing fob could have a small screw on the again that you’ll want to take away with a screwdriver. After you have eliminated the screw, the important thing fob will come aside in two items.
3. Examine the battery. The battery will probably be a small, spherical battery that’s situated within the heart of the important thing fob. If the battery is corroded or leaking, then it’ll should be changed.
4. Exchange the battery. If the battery is corroded or leaking, then you have to to switch it with a brand new battery. The brand new battery would be the identical dimension because the previous battery, and it is going to be inserted in the identical manner.
5. Shut the important thing fob. After you have changed the battery, you have to to shut the important thing fob. The 2 items of the important thing fob will snap again collectively, and you have to to switch the screw that you simply eliminated in step 2.
6. Take a look at the important thing fob. After you have closed the important thing fob, you have to to check it to be sure that it’s working correctly. Press the buttons on the important thing fob and see in the event that they work. If the buttons don’t work, then you might want to switch the battery once more.
7. When you’ve got tried the entire above steps and your key fob remains to be not working, then you might must take it to a locksmith or a automobile dealership to have it repaired or changed.

How one can Change Battery Mercedes Key Fob

Changing the battery in a Mercedes key fob is an easy process that may be accomplished in just some minutes. Listed here are the steps on the best way to do it:

1. Find the important thing launch button on the facet of the important thing fob.
2. Press the important thing launch button and pull the important thing out of the fob.
3. Use a small screwdriver or a coin to pry open the again of the important thing fob.
4. Take away the previous battery and exchange it with a brand new one of many identical sort.
5. Snap the again of the important thing fob again into place.
6. Take a look at the important thing fob to verify it’s working correctly.

Further Suggestions for Keyless Entry Techniques

Along with altering the battery in your Mercedes key fob, there are just a few different issues you are able to do to keep up your keyless entry system. These embrace:

  1. Preserve your key fob clear. Filth and particles can construct up on the important thing fob over time, which may intrude with its operation. Recurrently clear the important thing fob with a smooth fabric and delicate cleaning soap.
  2. Keep away from exposing your key fob to excessive temperatures. Excessive warmth or chilly can harm the important thing fob’s electronics. Retailer your key fob in a cool, dry place.
  3. Do not drop your key fob. Dropping your key fob can harm the electronics or break the casing. Watch out when dealing with your key fob.
  4. Exchange the battery in your key fob when it begins to get weak. A weak battery may cause the important thing fob to malfunction. Exchange the battery as quickly as attainable to keep away from getting stranded.
  5. Reprogram your key fob if it stops working. In case your key fob stops working, you might must reprogram it. You are able to do this your self utilizing the directions in your proprietor’s guide.
  6. Contact your Mercedes seller you probably have any issues along with your keyless entry system. When you’ve got any issues along with your keyless entry system, contact your Mercedes seller. They’ll have the ability to diagnose and restore the issue.
  7. Use a keyless entry app. There are a variety of keyless entry apps out there that mean you can use your smartphone to unlock and lock your Mercedes. These apps could be handy, however additionally they depend on your smartphone’s battery. Ensure that to maintain your smartphone charged if you’re utilizing a keyless entry app.
  8. Here’s a desk with some further suggestions for keyless entry methods:
    Tip Description
    Preserve your key fob near your physique. It will assist to make sure that the sign out of your key fob is robust sufficient to succeed in your automobile.
    Keep away from inserting your key fob in your pocket or purse with different metallic objects. Metallic objects can intrude with the sign out of your key fob.
    If you’re having bother unlocking or locking your automobile along with your key fob, strive shifting nearer to the automobile. It will assist to make sure that the sign out of your key fob is robust sufficient to succeed in the automobile.

Troubleshooting Battery Alternative Points

Drawback: Key fob remains to be not working after changing the battery.

If the important thing fob remains to be not working after changing the battery, there could also be one other difficulty. Some attainable causes embrace:

  • The battery shouldn’t be making good contact with the terminals. Strive eradicating the battery and reinserting it, ensuring that it’s seated accurately.
  • The battery is lifeless. Even when the battery is new, it might be lifeless. Strive changing the battery with a brand new one.
  • The important thing fob is broken. If the important thing fob has been dropped or broken, it might should be changed.
  • The automobile’s battery is lifeless. If the automobile’s battery is lifeless, the important thing fob will be unable to work. Strive beginning the automobile or charging the battery.

Drawback: The important thing fob works intermittently.

If the important thing fob works intermittently, it might be an indication that the battery is low. Strive changing the battery with a brand new one.

Drawback: The important thing fob’s vary is restricted.

If the important thing fob’s vary is restricted, it might be an indication that the battery is low. Strive changing the battery with a brand new one.

Drawback: The important thing fob’s buttons should not working.

If the important thing fob’s buttons should not working, it might be an indication that the important thing fob is broken. Strive cleansing the buttons with a cotton swab and rubbing alcohol. If the buttons nonetheless don’t work, the important thing fob could should be changed.

How To Change Battery Mercedes Key Fob

To alter the battery in a Mercedes key fob, you have to a small Phillips head screwdriver and a brand new battery. The battery is a CR2025 3-volt battery.

1. Use the screwdriver to take away the 2 screws on the again of the important thing fob.

2. As soon as the screws are eliminated, gently pry the again of the important thing fob off. The battery will probably be situated inside the important thing fob.

3. Use your fingernail or a small device to take away the previous battery. Watch out to not contact the terminals of the brand new battery along with your fingers.

4. Insert the brand new battery into the important thing fob, ensuring that the constructive terminal is dealing with up. The constructive terminal is marked with a “+” signal.

5. Exchange the again of the important thing fob and tighten the 2 screws.

Your Mercedes key fob battery is now modified.

Individuals Additionally Ask About How To Change Battery Mercedes Key Fob

Can I alter the battery in my Mercedes key fob myself?

Sure, you possibly can change the battery in your Mercedes key fob your self. It’s a easy course of that takes just some minutes.

What sort of battery does my Mercedes key fob use?

Your Mercedes key fob makes use of a CR2025 3-volt battery.

The place can I purchase a brand new battery for my Mercedes key fob?

You should buy a brand new battery on your Mercedes key fob at most {hardware} shops or on-line retailers.