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 performed at house with just some easy instruments. On this article, we’ll stroll you thru the steps on how you 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 will want to assemble just a few instruments. You will want a small Phillips head screwdriver, a flathead screwdriver, and a brand new CR2025 battery. Upon getting your instruments, you may 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 while you’re opening it.
Insert the New Battery
Upon getting eliminated the outdated battery, it’s time to insert the brand new one. Listed below are the steps on how you can do it:
- Be sure that the brand new battery is the right kind on your key fob.
- Orient the brand new battery accurately within the battery compartment. The optimistic (+) facet of the battery ought to be going through 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 ensure that it’s working correctly.
Listed below are some further ideas for inserting the brand new battery:
- Watch out to not contact the steel contacts on the battery or the battery compartment.
- Don’t use a steel 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 range 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 need to take a look at your key fob to ensure that 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 can have a small screw on the again that you’ll want to take away with a screwdriver. Upon getting 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 positioned within the heart of the important thing fob. If the battery is corroded or leaking, then it is going to must be changed.
4. Change the battery. If the battery is corroded or leaking, then you’ll need to switch it with a brand new battery. The brand new battery would be the similar measurement because the outdated battery, and it is going to be inserted in the identical approach.
5. Shut the important thing fob. Upon getting changed the battery, you’ll need to shut the important thing fob. The 2 items of the important thing fob will snap again collectively, and you’ll need to switch the screw that you simply eliminated in step 2.
6. Take a look at the important thing fob. Upon getting closed the important thing fob, you’ll need 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 you could want to switch the battery once more.
7. When you have tried the entire above steps and your key fob continues to be not working, then you could must 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 activity that may be accomplished in just some minutes. Listed below are the steps on how you 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 exchange it with a brand new one of many similar 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:
- Hold your key fob clear. Filth and particles can construct up on the important thing fob over time, which might intrude with its operation. Repeatedly clear the important thing fob with a gentle fabric and delicate 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 may 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, you could must reprogram it. You are able to do this your self utilizing the directions in your proprietor’s guide.
- Contact your Mercedes vendor if in case you have any issues together with your keyless entry system. When you have any issues together with your keyless entry system, contact your Mercedes vendor. They’ll be capable to diagnose and restore the issue.
- Use a keyless entry app. There are a variety of keyless entry apps obtainable that help you 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 to maintain your smartphone charged if you’re utilizing a keyless entry app.
- Here’s a desk with some further ideas for keyless entry methods:
Tip Description Hold your key fob near your physique. This can assist to make sure that the sign out of your key fob is powerful sufficient to succeed in your automobile. Keep away from inserting your key fob in your pocket or purse with different steel objects. Steel objects can intrude with the sign out of your key fob. If you’re having bother unlocking or locking your automobile together with your key fob, strive shifting nearer to the automobile. This can assist to make sure that the sign out of your key fob is powerful sufficient to succeed in the automobile.
Troubleshooting Battery Substitute 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 problem. Some attainable causes embrace:
- The battery isn’t making good contact with the terminals. Strive eradicating the battery and reinserting it, ensuring that it’s seated accurately.
- The battery is useless. Even when the battery is new, it might be useless. 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 must be changed.
- The automobile’s battery is useless. If the automobile’s battery is useless, 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 might must be changed.
How To Change Battery Mercedes Key Fob
To alter the battery in a Mercedes key fob, you’ll need 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 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 together 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. Change the again of the important thing fob and tighten the 2 screws.
Your Mercedes key fob battery is now modified.
