How to Replace the Battery in an Older Mercedes-Benz SL550 Key?

[OJade]

Method for replacing the battery in an older Mercedes-Benz SL550 key: 1. Flip open the tab at the rear end of the key to remove the mechanical key; 2. Insert the mechanical key into the side slot of the key, press the internal gray button, and with the other hand, push the rear end of the key upwards; 3. Once a gap is created, the mechanical key can be removed; 4. Take out the rear end by hand to replace the battery. In terms of power, the Mercedes-Benz SL550 is equipped with a 4.7-liter V8 twin-turbocharged engine, delivering a maximum output of 435 horsepower. Regarding body dimensions, the Mercedes-Benz SL550 measures 4633mm in length, 1877mm in width, and 1300mm in height, with a wheelbase of 2585mm.