How to Replace the Battery in a Mercedes C55 Key?

[McJohnny]

Method for replacing the battery in a Mercedes C55 key: 1. Pull up the key while pushing open the latch; 2. Remove the mechanical key and locate the gap for the electronic key to insert; 3. After inserting the key into the gap, gently pry it open; 4. Once the back cover is open, tap it on your palm to remove the battery; 5. Reinstall the battery in the same manner. The Mercedes C55 has body dimensions of 4526mm in length, 1728mm in width, and 1427mm in height, with a wheelbase of 2715mm. The Mercedes C55 features a front-engine, rear-wheel-drive layout, with a front suspension type of double-wishbone, coil springs, and stabilizer bar, and a rear suspension type of multi-link, coil springs, and stabilizer bar.