How to Open a Mercedes Car Key to Replace the Battery?

1 Answers
EdwardLee
07/30/25 1:25am
Steps to open a Mercedes car key for battery replacement: 1. Press the button on the car key and slide the black cover sideways to open it; 2. Pull down the cover marked with plus and minus signs to remove the old battery; 3. Install the new battery, ensuring the positive and negative terminals are correctly placed; 4. Reattach the key's back cover and confirm that all buttons on the key are functioning properly after installation. Mercedes is a German automotive brand renowned for its luxury and high performance, headquartered in Stuttgart, Germany, and is a member of the Daimler company. Its product lineup includes various passenger cars and medium to large commercial vehicles. The 2019 Mercedes S-Class is equipped with four types of engines, one of which is a 2.0-liter turbocharged engine, and the other three are 3.0-liter turbocharged engines with different power outputs. This model features a double-wishbone independent suspension at both the front and rear and uses a multi-plate clutch central differential.
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