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 alter the battery. Changing the battery is a fast and simple course of that may be carried out at house with only a few 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 will get again to driving with peace of thoughts.
Earlier than you begin, you will want to assemble a couple of instruments. You may want a small Phillips head screwdriver, a flathead screwdriver, and a brand new CR2025 battery. Upon getting your instruments, you’ll be able to 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 can open the important thing fob by prying it open with the flathead screwdriver. Watch out to not injury the important thing fob once you’re opening it.
Insert the New Battery
Upon getting eliminated the previous 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 right sort on your key fob.
- Orient the brand new battery accurately within the battery compartment. The constructive (+) aspect of the battery needs 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.
- Check your key fob to be sure that it’s working correctly.
Listed below are some extra ideas 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 Value
The price of changing a Mercedes key fob battery will differ relying on the make and mannequin of your automobile.
| Automobile | Battery Alternative Value |
|---|---|
| Mercedes-Benz C-Class | $50-$100 |
| Mercedes-Benz E-Class | $75-$125 |
| Mercedes-Benz S-Class | $100-$150 |
Check Your Key Fob
Earlier than you begin to change a battery, first, it’s best to check your key fob to be sure that the battery is the issue. To be able to check 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 will probably 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 is going to should be changed.
4. Change 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 similar measurement because the previous battery, and will probably be inserted in the identical manner.
5. Shut the important thing fob. Upon 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. Check the important thing fob. Upon getting closed the important thing fob, you will have 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 could want to exchange the battery once more.
7. In case you have tried all the above steps and your key fob continues to be not working, then you could have to take it to a locksmith or a automotive dealership to have it repaired or changed.
How you can Change Battery Mercedes Key Fob
Changing the battery in a Mercedes key fob is a straightforward job that may be accomplished in only a few 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 previous battery and exchange it with a brand new one of many similar sort.
5. Snap the again of the important thing fob again into place.
6. Check the important thing fob to ensure it’s working correctly.
Extra Suggestions for Keyless Entry Techniques
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 embody:
- Hold 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 tender fabric and gentle cleaning soap.
- Keep away from exposing your key fob to excessive temperatures. Excessive warmth or chilly can injury 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 injury 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 have to reprogram it. You are able to do this your self utilizing the directions in your proprietor’s handbook.
- Contact your Mercedes supplier you probably have any issues along with your keyless entry system. In case you have any issues along with your keyless entry system, contact your Mercedes supplier. 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 assist you to use your smartphone to unlock and lock your Mercedes. These apps may be handy, however additionally they depend on your smartphone’s battery. Be certain that to maintain your smartphone charged if you’re utilizing a keyless entry app.
- Here’s a desk with some extra ideas for keyless entry methods:
Tip Description Hold 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 automotive. 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. In case you are having hassle unlocking or locking your automotive along with your key fob, attempt transferring nearer to the automotive. It will assist to make sure that the sign out of your key fob is robust sufficient to succeed in 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 problem. Some attainable causes embody:
- The battery shouldn’t be making good contact with the terminals. Attempt 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. 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 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. Attempt 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. Attempt 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 could be an indication that the battery is low. Attempt changing the battery with a brand new one.
Drawback: The important thing fob’s buttons are usually not working.
If the important thing fob’s buttons are usually not 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 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 will probably 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 going through 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.
