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How to Replace the Key Battery for the New Mercedes-Benz E260 Two-Door Coupe?

4 Answers
GabrielRose
07/29/25 7:45am
Here is the method for replacing the key battery of the Mercedes-Benz E260 two-door coupe: 1. Prepare a CR2032 battery (model 2113 for the Mercedes-Benz E260 Fashion Edition key). 2. Push the emblem upwards from the tail of the Mercedes-Benz E260 key to remove the mechanical key. 3. Apply force to push open the outer shell of the Mercedes-Benz E260 key. 4. Take out the old battery and replace it with a new one. 5. Snap the outer shell of the Mercedes-Benz E260 key back into place. 6. Reinsert the mechanical key into the Mercedes-Benz E260 key.
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JordanDella
08/13/25 2:12am
I drive a Mercedes-Benz E260 Coupe, and when the key fob battery dies, I just replace it myself—it's really simple. First, use a small tool like a coin or a plastic pry bar to gently pry open the back cover at the groove on the key fob’s rear. Inside, you’ll find a small battery, which is a CR2032 model, available at supermarkets and not expensive. When removing the old battery, be careful not to let it fall out. Insert the new battery, making sure the polarity is correct. Close the cover and press it firmly but gently. Then, test the key functions, like keyless entry and starting the car. The whole process takes less than 5 minutes and saves you a trip to the dealership. Remember, key fob batteries typically last 1-2 years, so replace them preventively to avoid surprises. Also, avoid dropping the key too hard in daily use to extend its lifespan.
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OAllie
10/05/25 2:10am
As a DIY enthusiast, changing the battery in a Mercedes key is no challenge for me. Prepare a precision screwdriver or a small prying tool, align it with the seam on the back cover of the key, and gently lift it open. Inside, you'll find a CR2032 battery. Observe how the old battery is removed, and when buying a new one, opt for genuine products to avoid signal issues caused by inferior quality. When reassembling, align the clips and snap them into place. After completion, test the remote functions to ensure the car locks respond. It's recommended to use anti-static gloves to prevent damage to electronic components and to protect the key surface from scratches. Before replacing the battery, check the key for any other signs of malfunction, such as decreased sensitivity.
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LeAxel
11/18/25 3:41am
As an ordinary car owner, when encountering unresponsive keys, I replace the battery myself. Use a steel ruler to gently pry open the back cover of the key, applying light force without brute strength. Remove the old coin battery, which is a CR2032 model, available at supermarkets. Insert the new battery with the positive side facing up, then close the cover and test the car functions to ensure they work properly. This method is simple, easy, and saves both time and money. It's recommended to check the key battery status annually, especially in winter when low temperatures can affect its lifespan. After replacing it, I feel a small sense of accomplishment, and the operation isn't difficult.
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