FACTS ABOUT MERCEDES AUTO ELECTRICIAN TAURANGA REVEALED

Following charging the volts have been at 13.10 but bit by bit dropped to settle at 12.58volts. I linked the battery, and Here's wherever the confusion starts. The first time I put the key in very little happened, but when I tried a 2nd time "whalla" it worked. I tried it 5 moments and worked when. Do you think that it is the vehicles battery that