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 straightforward course of that may be performed at dwelling with just some easy instruments. On this article, we’ll stroll you thru the steps on the way 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 number of 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 observe 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’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After you have eliminated the outdated battery, it’s time to insert the brand new one. Listed below are the steps on the way to do it:
- Make it possible for the brand new battery is the proper kind in your key fob.
- Orient the brand new battery accurately within the battery compartment. The optimistic (+) aspect of the battery ought to be dealing with up.
- Gently press down on the brand new battery till it clicks into place.
- Exchange the battery cowl and safe it in place.
- Take a look at your key fob to guarantee 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 bother inserting the battery, attempt utilizing a pair of tweezers.
Battery Alternative Value
The price of changing a Mercedes key fob battery will fluctuate 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, it is best to check your key fob to guarantee 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 in your key fob, a small screwdriver, and a pair of pliers.
2. Open the important thing fob. The important thing fob can 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 shall be a small, spherical battery that’s situated within the middle of the important thing fob. If the battery is corroded or leaking, then it should should be changed.
4. Exchange the battery. If the battery is corroded or leaking, then you will have to interchange it with a brand new battery. The brand new battery would be the identical dimension because the outdated 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 interchange 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 will have to check it to guarantee 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 interchange the battery once more.
7. You probably have tried all the above steps and your key fob continues to be not working, then you might must take it to a locksmith or a automotive dealership to have it repaired or changed.
How one can 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 the way 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 outdated battery and substitute 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 verify it’s working correctly.
Further Ideas for Keyless Entry Techniques
Along with altering the battery in your Mercedes key fob, there are a number of different issues you are able to do to take care of your keyless entry system. These embody:
- Preserve your key fob clear. Dust and particles can construct up on the important thing fob over time, which may intervene with its operation. Often clear the important thing fob with a smooth 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.
- 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 doable to keep away from getting stranded.
- 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 handbook.
- Contact your Mercedes supplier in case you have any issues along with your keyless entry system. You probably have any issues along with your keyless entry system, contact your Mercedes supplier. They are going to be capable to diagnose and restore the issue.
- Use a keyless entry app. There are a selection of keyless entry apps out there that assist you to use your smartphone to unlock and lock your Mercedes. These apps will be handy, however in addition they depend on your smartphone’s battery. Be sure to maintain your smartphone charged in case you are utilizing a keyless entry app.
- Here’s a desk with some extra suggestions for keyless entry techniques:
Tip Description Preserve your key fob near your physique. This may assist to make sure that the sign out of your key fob is robust sufficient to achieve your automotive. Keep away from putting your key fob in your pocket or purse with different metallic objects. Steel objects can intervene with the sign out of your key fob. In case you are having bother unlocking or locking your automotive along with your key fob, attempt shifting nearer to the automotive. This may assist to make sure that the sign out of your key fob is robust sufficient to achieve the automotive.
Troubleshooting Battery Alternative Points
Drawback: Key fob continues to be not working after changing the battery.
If the important thing fob continues to be not working after changing the battery, there could also be one other situation. Some doable causes embody:
- The battery just isn’t 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 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 should be changed.
- The automotive’s battery is lifeless. If the automotive’s battery is lifeless, the important thing fob will be unable to work. Strive beginning the automotive or charging the battery.
Drawback: 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.
Drawback: 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. Strive changing the battery with a brand new one.
Drawback: The important thing fob’s buttons usually are not working.
If the important thing fob’s buttons usually are not 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 should be changed.
How To Change Battery Mercedes Key Fob
To vary 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 shall be situated 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 dealing with up. The optimistic 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.
