I currently own a 1991 300E. I am having problems with my cruise control. My cruise control does not work or it will only work for a while and then shut itself off. the last time i used it it was making the car jerky. the car would speed up and slow down constantly. What is the problem?

I am also having a problem with my head light washer. there is no washer fluid comming out. I unpluged it from the resovoir and the water flowed freely from the pump. i took out the washer check valve and replaced it with a flow free one but it would just flow out through the headlight washer nozzles. What could possibly be my problem? Might i need a new washer pump?


I also have oil in my coolant. I was told I need a new head gasket and i am about to install myself since there is no one in my town that works on mercedes benz. any tips or advice?

Thanks in advance.