Mercedes Benz Class A 160

Hello good afternoon everyone, I have a Mercedes Benz Class A 160 base, I have the disadvantage that when I turned on the car and do a few meters sound about 6 times and nothing more, sometimes it does it
when handling but there is no common pattern to which I can cling to to be able to determine which problem is always when I turn on the car and start walking, I do not I could tell me what it can be.

Thank you very much

Hello, I have a class A, do you know where to lower the user manual? I have electrical problems, I have the battery