Quote:
Originally Posted by pawoSD
Oh really? Our minivan pings all the time when you first start it up! So does our neighbor's.....she has the same van!
Run premium in it if its a gas mercedes. Like has been said, if you need to save that extra $2-3 a tank then you can't afford one in the first place. 
|
That is most likely a lubrication issue. Why would it ping in a no-load situation?