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

1 Answers
VonCorey
07/30/25 6:04am
The steps to replace the battery in a Mercedes-Benz key are: 1. Remove the mechanical key; 2. Insert a tool into the slightly larger hole at the back of the key slot and gently pry it open; 3. Press lightly on the battery to remove and replace it, then reassemble the key in reverse order. Taking the Mercedes-Benz E-Class 2021 model as an example, its body dimensions are: length 5078mm, width 1860mm, height 1490mm, with a wheelbase of 3079mm. The Mercedes-Benz E-Class 2021 is equipped with a 2.0t turbocharged engine, with a maximum power of 220kw and a maximum torque of 400nm, paired with a 9-speed automatic transmission.
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