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

[LaKayden]

Mercedes-Benz New C-Class key battery replacement method is as follows: 1. Most Mercedes key batteries are CR2025, first purchase genuine batteries to ensure they are original. 2. Pull up the key while pushing open the clasp, pull out the mechanical key, insert the key into the gap to pop open the back cover. 3. Remove the old battery and install the new one. Here is some information about Mercedes keys: 1. The lifespan of a Mercedes key battery is generally two years, while original ones can last up to six years. 2. When the key battery is low, the Mercedes will alert the owner in two ways: pressing the ignition switch will display a 'replace key battery' message on the dashboard; if the indicator light on the key dims or goes out, it's time to replace the battery.