How to Replace the Battery in a Mercedes-Benz C320 4MATIC Key?

1 Answers
StMartin
07/30/25 12:09am
Method for replacing the battery in a Mercedes-Benz C320 4MATIC key: Press the button on the back of the key and slide the rear cover forward to open it. The battery is located in the adjacent slot. Most Mercedes-Benz key batteries use the 3V CR2025 model. After removing the old battery from the slot, replace it with a new one and reattach the rear cover. The Mercedes-Benz C320 has body dimensions of 4526mm in length, 1728mm in width, and 1426mm in height, with a wheelbase of 2715mm. It is equipped with a front-mounted V6 18-valve SOHC electronic fuel injection gasoline engine, paired with a 5-speed automatic transmission.
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