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 in all probability time to alter the battery. Changing the battery is a fast and simple course of that may be executed at dwelling with just some easy instruments. On this article, we’ll stroll you thru the steps on how one can 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 may want to assemble just a few instruments. You will want a small Phillips head screwdriver, a flathead screwdriver, and a brand new CR2025 battery. After getting your instruments, you’ll be able to observe these steps to alter 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’ll open the important thing fob by prying it open with the flathead screwdriver. Watch out to not harm the important thing fob once you’re opening it.
Insert the New Battery
After getting eliminated the outdated battery, it’s time to insert the brand new one. Listed below are the steps on how one can do it:
- Ensure that the brand new battery is the proper kind to your key fob.
- Orient the brand new battery appropriately within the battery compartment. The optimistic (+) facet of the battery must be going through up.
- Gently press down on the brand new battery till it clicks into place.
- Substitute the battery cowl and safe it in place.
- Take a look at your key fob to ensure that it’s working correctly.
Listed below are some extra 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.
- In case you are having hassle inserting the battery, attempt utilizing a pair of tweezers.
Battery Alternative Price
The price of changing a Mercedes key fob battery will fluctuate relying on the make and mannequin of your automobile.
| Car | Battery Alternative Price |
|---|---|
| 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, it is best to check your key fob to ensure that the battery is the issue. To be able to check the important thing fob, do as follows:
1. Collect your supplies. You have to a brand new battery to 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 will want to take away with a screwdriver. After getting eliminated the screw, the important thing fob will come aside in two items.
3. Examine the battery. The battery might be a small, spherical battery that’s positioned within the middle of the important thing fob. If the battery is corroded or leaking, then it would have to be changed.
4. Substitute the battery. If the battery is corroded or leaking, then you will have to exchange it with a brand new battery. The brand new battery would be the identical dimension because the outdated battery, and will probably be inserted in the identical means.
5. Shut the important thing fob. After getting changed the battery, you will have to shut the important thing fob. The 2 items of the important thing fob will snap again collectively, and you will have to exchange the screw that you simply eliminated in step 2.
6. Take a look at the important thing fob. After getting closed the important thing fob, you will have to check it to ensure 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 it’s possible you’ll want to exchange the battery once more.
7. When you’ve got tried the entire above steps and your key fob remains to be not working, then it’s possible you’ll have to take it to a locksmith or a automobile dealership to have it repaired or changed.
Tips on how to Change Battery Mercedes Key Fob
Changing the battery in a Mercedes key fob is a straightforward process that may be accomplished in just some minutes. Listed below are the steps on how one can 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 outdated battery and change it with a brand new one of many identical kind.
5. Snap the again of the important thing fob again into place.
6. Take a look at the important thing fob to ensure it’s working correctly.
Further Ideas 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:
- Maintain your key fob clear. Grime and particles can construct up on the important thing fob over time, which may intrude with its operation. Repeatedly clear the important thing fob with a comfortable fabric and gentle cleaning soap.
- 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.
- 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.
- Substitute the battery in your key fob when it begins to get weak. A weak battery may cause the important thing fob to malfunction. Substitute the battery as quickly as potential to keep away from getting stranded.
- Reprogram your key fob if it stops working. In case your key fob stops working, it’s possible you’ll have to reprogram it. You are able to do this your self utilizing the directions in your proprietor’s guide.
- Contact your Mercedes seller if in case you 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 be capable of diagnose and restore the issue.
- Use a keyless entry app. There are a variety of keyless entry apps obtainable that mean you can use your smartphone to unlock and lock your Mercedes. These apps may be handy, however in addition they depend on your smartphone’s battery. Ensure that to maintain your smartphone charged if you’re utilizing a keyless entry app.
- Here’s a desk with some extra suggestions for keyless entry programs:
Tip Description Maintain your key fob near your physique. This may assist to make sure that the sign out of your key fob is powerful sufficient to succeed in your automobile. Keep away from putting your key fob in your pocket or purse with different metallic objects. Metallic objects can intrude with the sign out of your key fob. In case you are having hassle unlocking or locking your automobile along with your key fob, attempt shifting nearer to the automobile. This may assist to make sure that the sign out of your key fob is powerful sufficient to succeed in the automobile.
Troubleshooting Battery Alternative Points
Downside: 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 potential causes embrace:
- The battery isn’t making good contact with the terminals. Strive eradicating the battery and reinserting it, ensuring that it’s seated appropriately.
- The battery is lifeless. Even when the battery is new, it could 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 could have to be changed.
- The automobile’s battery is lifeless. If the automobile’s battery is lifeless, the important thing fob won’t be able to work. Strive beginning the automobile or charging the battery.
Downside: The important thing fob works intermittently.
If the important thing fob works intermittently, it could be an indication that the battery is low. Strive changing the battery with a brand new one.
Downside: The important thing fob’s vary is restricted.
If the important thing fob’s vary is restricted, it could be an indication that the battery is low. Strive changing the battery with a brand new one.
Downside: The important thing fob’s buttons will not be working.
If the important thing fob’s buttons will not be working, it could 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 might have to be changed.
How To Change Battery Mercedes Key Fob
To alter the battery in a Mercedes key fob, you will have 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 might be positioned inside the important thing fob.
3. Use your fingernail or a small software to take away the outdated 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 optimistic terminal is going through up. The optimistic terminal is marked with a “+” signal.
5. Substitute the again of the important thing fob and tighten the 2 screws.
Your Mercedes key fob battery is now modified.
