10 Easy Steps to Replace the Key Battery in a Mercedes

10 Easy Steps to Replace the Key Battery in a Mercedes

Changing the important thing battery in your Mercedes-Benz is a comparatively easy process that may be accomplished in a couple of minutes. Nonetheless, it is very important observe the proper steps to keep away from damaging the important thing or the battery. On this article, we are going to offer you step-by-step directions on tips on how to change the important thing battery in your Mercedes-Benz. We may also present some recommendations on tips on how to prolong the lifetime of your key battery.

Step one is to determine the kind of key battery that you just want. Mercedes-Benz keys use both CR2025 or CR2032 batteries. Yow will discover the kind of battery that you just want by wanting in the back of the important thing. After getting recognized the kind of battery that you just want, you should buy a brand new battery at your native ironmongery shop or on-line. When selecting a brand new battery, make sure to choose one that’s of excellent high quality. An inexpensive battery might not final so long as a dearer battery.

After getting a brand new battery, you’ll be able to start the method of changing the previous battery. Step one is to take away the important thing blade from the important thing physique. On most Mercedes-Benz keys, the important thing blade could be eliminated by urgent a small button on the again of the important thing. As soon as the important thing blade has been eliminated, you’ll need to find the battery compartment. The battery compartment is normally situated on the again of the important thing physique. To open the battery compartment, you’ll need to make use of a small screwdriver or a coin. As soon as the battery compartment is open, you’ll be able to take away the previous battery and insert the brand new battery. Be sure you insert the brand new battery with the constructive aspect going through up. As soon as the brand new battery has been inserted, you’ll be able to shut the battery compartment and reattach the important thing blade. Your key ought to now be working correctly.

Programming Points and Options

Doable Programming Points

  • Key not acknowledged by the automobile
  • Buttons not functioning accurately
  • Immobilizer system not deactivating

Options for Programming Points

For those who encounter any programming points after altering the important thing battery, listed below are some options you’ll be able to attempt:

  1. Verify if the battery is correctly put in. Take away the battery and re-insert it, making certain it’s seated accurately.
  2. Re-synchronize the important thing. Get into the automobile, insert the important thing, and switch the ignition to the “On” place for 10 seconds. Then, flip the ignition off and take away the important thing. Repeat this course of 3-4 instances, then attempt utilizing the important thing to start out the automobile.
  3. Use a spare key. If obtainable, attempt utilizing a spare key to see if it really works. If the spare key works, it’s possible you’ll have to have the unique key re-programmed.
  4. Contact the dealership. If all else fails, you’ll be able to contact your Mercedes dealership for help. They’ve the required instruments and experience to diagnose and repair any programming points.
Programming Concern Doable Options
Key not acknowledged Verify battery set up, re-synchronize key, contact dealership
Buttons not functioning Verify battery set up, attempt spare key, contact dealership
Immobilizer system not deactivating Re-synchronize key, contact dealership

How To Change The Key Battery Mercedes

The important thing battery for a Mercedes-Benz automobile is situated inside the important thing fob. To alter the battery, you’ll need a small Phillips head screwdriver.

1. **Find the small screw on the again of the important thing fob.** Use the screwdriver to take away the screw.

  1. Gently pry open the important thing fob. Watch out to not injury the important thing fob or the battery.

  2. Take away the previous battery. Observe the orientation of the battery so to insert the brand new battery accurately.

  3. Insert the brand new battery. Ensure that the constructive (+) aspect of the battery is going through up.

  4. Shut the important thing fob. Align the 2 halves of the important thing fob and press them collectively till they snap shut.

  5. Exchange the screw. Use the screwdriver to tighten the screw.

Individuals Additionally Ask About How To Change The Key Battery Mercedes

How usually ought to I alter the important thing battery in my Mercedes?

The important thing battery in a Mercedes-Benz automobile usually lasts for about 3-5 years. Nonetheless, this could fluctuate relying on how usually you employ the important thing and the kind of battery that’s used.

What sort of battery do I would like for my Mercedes key fob?

The kind of battery that you just want on your Mercedes key fob will rely on the 12 months and mannequin of your automobile. You’ll be able to examine your proprietor’s handbook to seek out out the proper sort of battery on your key fob.

Can I alter the important thing battery myself?

Sure, you’ll be able to change the important thing battery your self. Nonetheless, in case you are not comfy doing so, you’ll be able to take your automobile to a Mercedes-Benz dealership or an automotive locksmith to have the battery modified.