How to change the battery for Mercedes keys?
1. Before replacement, prepare a new battery that meets the model of the car key battery. The battery model can generally be seen in the vehicle owner’s manual. 2. Push the switch upward from the tail of the car key, and the mechanical key will pop up, and then take it out; 3, then use the mechanical key just taken out to resist the … Read more about How to change the battery for Mercedes keys?
