Is your Mercedes-Benz key fob appearing 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 accomplished at house with just some easy instruments. On this article, we’ll stroll you thru the steps on methods to change the battery in your Mercedes-Benz key fob, so you may get again to driving with peace of thoughts.
Earlier than you begin, you may want to collect a couple of instruments. You may 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 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 if 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 methods to do it:
- Ensure that the brand new battery is the right sort on your key fob.
- Orient the brand new battery appropriately within the battery compartment. The constructive (+) aspect of the battery ought to be dealing with up.
- Gently press down on the brand new battery till it clicks into place.
- Change the battery cowl and safe it in place.
- Take a look at your key fob to make it possible for 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 Substitute Value
The price of changing a Mercedes key fob battery will fluctuate relying on the make and mannequin of your car.
| Automobile | Battery Substitute 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 make it possible for the battery is the issue. With a purpose 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 likely be a small, spherical battery that’s positioned within the heart of the important thing fob. If the battery is corroded or leaking, then it would have to be changed.
4. Change the battery. If the battery is corroded or leaking, then you will have to switch it with a brand new battery. The brand new battery would be the similar dimension because the previous battery, and it is going to be inserted in the identical method.
5. Shut the important thing fob. After you have 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 switch the screw that you just eliminated in step 2.
6. Take a look at the important thing fob. After you have closed the important thing fob, you will have to check it to make it possible for 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 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 it’s possible you’ll must take it to a locksmith or a automotive dealership to have it repaired or changed.
Find out how to Change Battery Mercedes Key Fob
Changing the battery in a Mercedes key fob is a straightforward activity that may be accomplished in just some minutes. Listed here are the steps on methods to do it:
1. Find the important thing launch button on the aspect 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 substitute it with a brand new one of many similar sort.
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 Suggestions for Keyless Entry Programs
Along with altering the battery in your Mercedes key fob, there are a couple of different issues you are able to do to keep up your keyless entry system. These embrace:
- Preserve your key fob clear. Filth and particles can construct up on the important thing fob over time, which may intervene with its operation. Commonly clear the important thing fob with a gentle material 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.
- Change the battery in your key fob when it begins to get weak. A weak battery could cause the important thing fob to malfunction. Change the battery as quickly as attainable 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 must reprogram it. You are able to do this your self utilizing the directions in your proprietor’s guide.
- Contact your Mercedes vendor when you’ve got any issues along with your keyless entry system. When you’ve got any issues along with your keyless entry system, contact your Mercedes vendor. They are going to have the ability to diagnose and restore the issue.
- Use a keyless entry app. There are a selection of keyless entry apps obtainable that mean you can use your smartphone to unlock and lock your Mercedes. These apps might be handy, however in addition they depend on your smartphone’s battery. Be sure that to maintain your smartphone charged in case you are utilizing a keyless entry app.
- Here’s a desk with some further suggestions for keyless entry methods:
Tip Description Preserve your key fob near your physique. This may assist to make sure that the sign out of your key fob is powerful sufficient to achieve your automotive. Keep away from putting your key fob in your pocket or purse with different metallic objects. Metallic objects can intervene with the sign out of your key fob. If you’re having bother unlocking or locking your automotive along with your key fob, strive transferring nearer to the automotive. This may assist to make sure that the sign out of your key fob is powerful sufficient to achieve the automotive.
Troubleshooting Battery Substitute 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 concern. Some attainable causes embrace:
- The battery shouldn’t be making good contact with the terminals. Attempt eradicating the battery and reinserting it, ensuring that it’s seated appropriately.
- The battery is useless. Even when the battery is new, it could be useless. Attempt 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 automotive’s battery is useless. If the automotive’s battery is useless, the important thing fob will be unable to work. Attempt beginning the automotive 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. Attempt changing the battery with a brand new one.
Downside: The important thing fob’s vary is proscribed.
If the important thing fob’s vary is proscribed, it could be an indication that the battery is low. Attempt changing the battery with a brand new one.
Downside: The important thing fob’s buttons aren’t working.
If the important thing fob’s buttons aren’t working, it could be an indication that the important thing fob is broken. Attempt cleansing the buttons with a cotton swab and rubbing alcohol. If the buttons nonetheless don’t work, the important thing fob could 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 will likely be positioned 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. Change the again of the important thing fob and tighten the 2 screws.
Your Mercedes key fob battery is now modified.
