What is the battery replacement tutorial for the old Mercedes-Benz CL180 key?

[JaylaMarie]

The battery replacement tutorial for the old Mercedes-Benz CL180 key is: 1. There is a small switch in the upper middle part of the back of the key. Gently press it to remove the mechanical key; 2. Press the button to open the back cover; 3. Open the battery compartment on the left side of the key to see the battery; 4. Use a small flat-head screwdriver to remove the depleted battery; 5. When installing the new battery, ensure the positive pole faces upward; 6. After installing the battery, reassemble the key. The dimensions of the old Mercedes-Benz CL180 are 4581mm in length, 1770mm in width, and 1448mm in height, with a wheelbase of 2760mm and a curb weight of 1545kg.

[CameronFitz]

When I used to drive the older Mercedes CL180, I changed the key battery myself, which was quite simple. The battery model is usually a CR2032 coin cell, available at any hardware store. I prepared a small flat-head screwdriver or a coin to gently pry open the shell from the edge gap, being careful not to use too much force to avoid scratching the internal chip. After removing the old battery, I carefully checked the positive and negative markings—the new battery must be inserted with the positive side facing up. Then, aligning the shell clips, I pressed it back into place gently until I heard a click, indicating it was securely fastened. Finally, I tested it by pressing the unlock button to see if the vehicle responded. If it didn’t work, the battery might have been inserted backward or there could be another issue with the key, in which case it’s best to visit a professional repair shop for inspection. Regularly replacing the battery can prevent failures at critical moments, saving you from unnecessary stress.

[KingstonFitz]

I've personally tried replacing the battery in my Mercedes CL180 key, and it's quite straightforward. First, buy a new CR2032 battery—it's inexpensive and available at supermarkets. Use a coin or thin plastic piece to gently pry open the key casing along the seam; avoid forcing it to prevent damage. Remove the old battery and set it aside, then insert the new one in the same orientation—ensuring the positive side faces up is crucial. Snap the casing back together, making sure the clips lock securely. Test the unlock function—if it works, you're all set. If it doesn't, don't panic—it might be poor contact or a faulty battery; just double-check everything. Doing it yourself saves money, and if the key's light fails at a critical moment, it could affect driving safety.

[MacAsher]

I often help friends replace the battery in their old Mercedes CL180 key. The key points are using a new CR2032 battery and carefully prying it open. Choose a small flat-head screwdriver or a hard card, gently pry open the casing from the gap, being careful not to damage the circuit. After removing the old battery, place the new one with the positive side facing up, then close the cover and press it firmly. Test the remote function immediately; if it doesn't work, check the battery orientation or consider that the key's contact points might be damaged. The whole process takes just a few minutes, so don't delay too long—key malfunctions can delay your trip.