yes i just bought my car a couple months ago.Its A 1998 C-280.The second day i had it the check engine light came on. The code read PO173- fuel trim bank 2,PO170-Fuel trim Bank 1, PO455-Evap Emmission Leak dectected regarding codes 170 02 sensors show systeam too lean. 02 sensors test ok, mass flow sensor failing. The mechanic said he would charge me 1800 dollars that i dont have i pretty much got screwed because the guy told me to smog the car because he didnt have time and said noting was wrong with the car and sure enough 2 days later the check engine light comes on and now i cant even smog my car. If anyone has had this problem please help me with some suggestions please this would be really appreciated. Thank You