How to Replace the Battery in a Mercedes-Benz B180 Key?

1 Answers
DonovanAnn
07/29/25 8:57pm
Steps to replace the battery in a Mercedes-Benz B180 key: First, press the small button at the back of the key to remove the mechanical key; Use the tip of the mechanical key to push against the end of the key cover, applying slight pressure to pop it open; Use your fingernail to remove the button battery and replace it with a new one, ensuring the correct battery model is used with the positive side facing outward; To reassemble, insert the narrow end of the cover into the slot first, then press the other end firmly until it clicks into place. The Mercedes-Benz B180 is an entry-level B-Class model from Mercedes-Benz, with body dimensions of 4398mm in length, 1786mm in width, and 1547mm in height.
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