What are the steps to replace the battery in a Mercedes-Benz C200L key?

1 Answers
LydiaAnn
07/30/25 10:15am
Before replacing the battery in your Mercedes-Benz C200L key, it's best to first check the battery model required for your car key, which is usually specified in the vehicle's user manual. Then, select a new key battery according to the specified model. The steps to replace the battery in a Mercedes-Benz C200L key are as follows: 1. Gently press the small switch on the back of the key to remove the mechanical key. 2. Press the key back cover opening button on the back of the key to remove the back cover. 3. Then, push the battery compartment on the left side of the key. 4. Use a small flat-head screwdriver to remove the depleted battery. 5. Insert the new battery, ensuring the '+' side faces upwards. 6. After installing the battery, reassemble the key. 7. Confirm that the key functions properly.
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