How to Replace the Battery in a Mercedes-Benz GLC220 Key?

1 Answers
DiElizabeth
07/29/25 4:42am
Before replacing, you should check the model of the car key battery and then select a new key battery according to the specified model. The following are the steps to replace the key battery for a Mercedes-Benz GLC220: 1. Push the marked switch upward from the tail of the key to remove the mechanical key. 2. Press the marked switch at the tail of the key to remove the back cover of the key. 3. Push the battery compartment on the left side of the key to remove the depleted battery. 4. Insert the new battery, ensuring the "+" side is facing up. 5. Reassemble the mechanical key. Verify that the key functions properly.
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