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. Nevertheless, it is very important comply with the proper steps to keep away from damaging the important thing or the battery. On this article, we’ll give you step-by-step directions on tips on how to change the important thing battery in your Mercedes-Benz. We may even present some tips about tips on how to lengthen 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. You could find the kind of battery that you just want by trying behind the important thing. Upon getting recognized the kind of battery that you just want, you should buy a brand new battery at your native ironmongery store or on-line. When selecting a brand new battery, be sure you choose one that’s of excellent high quality. An affordable battery could not final so long as a costlier battery.

Upon getting a brand new battery, you possibly can 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 might 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 will have to find the battery compartment. The battery compartment is often situated on the again of the important thing physique. To open the battery compartment, you will have to make use of a small screwdriver or a coin. As soon as the battery compartment is open, you possibly can take away the previous battery and insert the brand new battery. Make sure to insert the brand new battery with the constructive aspect dealing with up. As soon as the brand new battery has been inserted, you possibly can shut the battery compartment and reattach the important thing blade. Your key ought to now be working correctly.

Programming Points and Options

Attainable Programming Points

  • Key not acknowledged by the car
  • Buttons not functioning appropriately
  • Immobilizer system not deactivating

Options for Programming Points

In case you encounter any programming points after altering the important thing battery, listed below are some options you possibly can attempt:

  1. Test if the battery is correctly put in. Take away the battery and re-insert it, making certain it’s seated appropriately.
  2. Re-synchronize the important thing. Get into the car, 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 occasions, then attempt utilizing the important thing to begin the car.
  3. Use a spare key. If out there, attempt utilizing a spare key to see if it really works. If the spare key works, chances are you’ll must have the unique key re-programmed.
  4. Contact the dealership. If all else fails, you possibly can contact your Mercedes dealership for help. They’ve the mandatory instruments and experience to diagnose and repair any programming points.
Programming Situation Attainable Options
Key not acknowledged Test battery set up, re-synchronize key, contact dealership
Buttons not functioning Test 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 car is situated inside the important thing fob. To vary the battery, you will have 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 harm the important thing fob or the battery.

  2. Take away the previous battery. Be aware the orientation of the battery to be able to insert the brand new battery appropriately.

  3. Insert the brand new battery. Be sure that the constructive (+) aspect of the battery is dealing with 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. Substitute the screw. Use the screwdriver to tighten the screw.

Folks 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 car sometimes lasts for about 3-5 years. Nevertheless, this could range relying on how usually you utilize the important thing and the kind of battery that’s used.

What kind of battery do I want for my Mercedes key fob?

The kind of battery that you just want to your Mercedes key fob will rely upon the yr and mannequin of your car. You possibly can verify your proprietor’s handbook to search out out the proper kind of battery to your key fob.

Can I alter the important thing battery myself?

Sure, you possibly can change the important thing battery your self. Nevertheless, if you’re not comfy doing so, you possibly can take your car to a Mercedes-Benz dealership or an automotive locksmith to have the battery modified.