Basically, the maintenance is divided into A protection and B protection, the interval of 1W kilometers alternately, the C you said may maintain the individual behavior of local 4S...
What does the Mercedes Benz 4S mean by C protection?
Basically, the maintenance is divided into A protection and B protection, the interval of 1W kilometers alternately, the C you said may maintain the individual behavior of local 4S, in order to make money, there is no need to do