How To Change Mercedes Key Battery 2019

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A Mercedes key with dead batteries is no laughing matter. Until you supercede them, y'all may not exist able to remotely unlock your machine or trigger the auto'due south panic mode in example of emergency. Although all Mercedes keys require the same blazon of battery (CR 2025), how many you will need or the method you use to modify the battery will depend on which model you have. Compare your key to other models before you attempt irresolute its batteries to avoid damaging your keys or accidentally post-obit the incorrect instructions.

1. ane

   Distinguish between a Chrome or Smart Cardinal. Chrome and Smart Keys look similar, just Chrome Keys belong to newer Mercedes cars. Chrome Keys have a metal casing, but Smart Keys are more often than not made of plastic. Although Chrome and Smart Keys operate in a like manner, their batteries are changed in different ways.

2. 2

   Spot the latest Chrome model by its scarlet triangular button. The current Chrome primal model has a red triangle for its panic button. The words "panic" should be written on this button in capital messages. If you have the latest Chrome key, purchase one CR 2025 bombardment earlier y'all open its case.^[1]

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3. 3

   Await for a round panic button on older Chrome keys. All Chrome key batteries are changed in the same mode, but older models need ii CR 2025 batteries instead of one. Unlike newer models, older Chrome keys have a circular panic button with the word "panic" inscribed in white letters.^[2]

4. 4

   Check for a plastic casing on Smart Keys. Newer and older Smart Keys will have a blackness plastic casing. Although all Smart Key batteries are changed in the same fashion, newer Smart Keys have a red panic push identical to older Chrome keys while first model Smart Keys do not.^[iii]

   • Smart Keys need 2 CR 2025 batteries.
   • The first Smart Key model does not accept a panic button.

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1. 1

   Pull on the tab at the bottom of the Chrome cardinal. The tab should be small and square with a silverish coating. Pull the key back to release the key, which should fall out of its slot once the tab is moved.^[iv]

2. 2

   Push the key into the narrow cease of the slot. When your key is removed, it should leave a narrow gap on the bottom stop of the key holder. 1 cease has a dip while the other end is flat and narrow. Push your key into the narrow end to unlatch and loosen the cover.^[v]

3. iii

   Remove the loose cover from the side of the key holder. If yous have pushed the key in far enough, the cover should snap off of the key holder without using force. The bombardment (or batteries, depending on your model) volition exist exposed once the comprehend is off. Remove both old batteries and discard them safely.^[vi]

   • Button the cardinal further into the slot if your cover cannot be pried loose.

4. 4

   Supersede the CR 2025 battery or batteries. Audit the battery slots carefully to make certain you are placing them in the right end and position. Once 1 or both are secure in their designated slots, snap the cover back on and place the fundamental back into the cardinal holder.

   • Place the key back into its holder right away to avoid losing information technology.

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1. one

   Pull the latch at the end of the key holder down. The latch should be black, square, and located at the lesser end of the key holder. Your Mercedes key volition fall out of its holder. Agree out your other hand to catch it every bit you pull the latch to avoid losing information technology.^[vii]

2. 2

   Stick your central horizontally into the open slot. Afterwards you remove the central, you should notice an empty slot effectually the bottom cease of the key holder. Turn your key holder sideways and push your key into the slot. Push the key entirely in, until you cannot push button it further, to open up the battery compartment.^[8]

3. 3

   Lift the battery compartment upwardly and out of the key holder bottom. When your primal has triggered the latch, the peak of the battery compartment volition jut out slightly. Grab it past the end and pull it slowly out of the key holder. Once pulled out, y'all should notice two exposed battery slots.^[9]

4. 4

   Remove and replace your CR 2025 batteries. Take out your 2 former batteries and replace them with 2 new ones in the designated slots. Slide the battery compartment back into the key holder until you hear a click. Put your cardinal back into the slot vertically until it is secure likewise.

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1. ane

   Buy a key case to protect your Mercedes keys. Some Mercedes keys, especially old models, are frail and may not piece of work if they accept been dropped or damaged. Use a case to protect your keys from unexpected falls or scratches.

   • Silicone key cases are recommended because they are more than durable.^[ten]

2. two

   Utilise lithium batteries when irresolute your central batteries. Batteries come in a variety of metals, depending on their expense. While some battery types might be less expensive, lithium CR 2025 batteries last longest and are often cheaper than other options in the long-term.^[11]

   • Choose lithium batteries if you would prefer non to change your key batteries oft.

3. iii

   Use a tracking app to find lost keys. Mercedes keys tin can exist expensive to supplant. To avoid this mishap, attach a tracker to your keys or keychain and download its respective app. Popular key tracking devices include:^[12]

   • BiKN
   • Push TrackR
   • Cobra Tag
   • HipKey
   • Hone
   • iFi
   • Kensington Proximo
   • Stick'n'Detect
   • Tile
   • Zomm

4. 4

   Alter your batteries whenever you notice weakened efficiency. How often yous alter your battery depends on the metal type and the frequency that yous apply your keys. As a rule of pollex, your batteries demand replacement if they stop responding when you press the buttons or if they respond infrequently.

   • Replace your batteries every bit before long as you notice macerated efficiency to avoid emergencies or further inconveniences.

5. 5

   Purchase new keys from a Mercedes dealership if necessary. After a few years, your Mercedes keys may non piece of work fifty-fifty subsequently you change the batteries. Replace your Mercedes key every ii-3 years or when your key no longer works, even with new batteries.

   • Almost Mercedes dealerships will sell new keys to customers even if they did not initially buy their motorcar from the dealership.

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Add New Question

• Question

  I have two batteries in my remote. How exercise I put the new ones in? Piggyback?

  

  On the little remote, merely in a higher place the buttons, and under the circle where the laser is sent out of, in that location is a white arrow (if you don't have one, that is fine). Pull the tiptop of the lower section of it, and the top should come off. You will run across the batteries. Just pull them out and put new ones in. Put the top back on and information technology'due south ready to apply.

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• Check your auto insurance or dealer earlier you switch out your key batteries. Some car dealerships or insurance companies provide costless or inexpensive key bombardment replacement to their customers.

• Brand certain that the battery y'all get is a CR 2025 before y'all choose information technology.

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About This Article

Article Summary X

To change a Mercedes key battery, offset by pulling the silvery tab at the bottom of the primal holder dorsum to release the manual primal. So, push button it into the narrow opening to unlatch and loosen the comprehend. Once you've removed the cover, remove the exposed CR 2025 batteries and replace them with new ones. Finally, snap the cover dorsum into identify and replace the primal in the holder right away so you don't lose information technology. For tips on how to know when your Mercedes key is running depression on bombardment life, read on!

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Source: https://www.wikihow.com/Change-a-Mercedes-Key-Battery

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