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

1 Answers
StLouis
07/29/25 2:31pm
Mercedes-Benz C-Class key battery replacement steps are as follows: 1. Remove the emergency key, fully press the release button, slide the protective cover, and remove it after unfolding; 2. Take out the battery compartment and remove the depleted battery; 3. Insert the new battery into the battery compartment, paying attention to the positive pole markings on both the battery and the compartment; 4. Push the battery compartment back in, reattach the protective cover, and push it until it clicks into place. Here is a brief introduction to the Mercedes-Benz C-Class: 1. The Mercedes-Benz C-Class is a mid-size sedan with a 4-door, 5-seat configuration. Its dimensions are 4784mm in length, 1810mm in width, and 1457mm in height, with a wheelbase of 2920mm. 2. The vehicle is equipped with a 4-cylinder 1.5T 156-horsepower turbocharged engine, paired with a 9-speed automatic transmission. The suspension system features a combination of multi-link independent suspension at both the front and rear.
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