hi i was wondering were is the mass air flow sensor located and also can you guys show me by a picture or some link on the net. on a 99' c230k

Thank you so much in advance
-Justin

 

Your MAFS in easy to find. It is after the air filter box, housed in the part of the air flow ducting pictured above, which comes before the intake. If you need to replace, it's around $350 and is do it yourself.