330E2.8 Emissions Testing
 

I just have to brag on my 1993 300E2.8. I have had it nine years and have put 75,000 miles on it. The license plates are due and with that comes the mandatory emissions inspections. Results:

HC Max allowed 220 ppm, my car 006 ppm
CO Max allowed 1.2 %, my car 00.00 %

And this was with no special preparation, just pulled in to a random inspection station as I was driving down the street. I think it is pretty good. My lawnmower probably pollutes more (and it is electric!).

when did you last change plugs? i got 8 ppm with fresh plugs...

I changed them a two or three months ago, maybe 2 or 3 thousand miles. Since then, it has been all around town driving, no highway miles.