Thanks for the help guys. I figure I will try the H8DC plugs that are on the way. I can find the H#DCO plugs fairly easy. Didnt know what the difference was, thanks. Sounds like I can stop trying to find the old style plugs and use the O plugs. I dont drive the car hard so I figure I can use an 8 or 9 temp plug. The manual says 6, the MB EPC says 8. I figure they are all at 0.032 on the gap so that is solved. I was not sure that they were all the same gap. Thanks for all the help.

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Christopher Henkel
1990 190E 2.6 - Arctic white SOLD
1986 190E-16v - Blauswartze
1993 300CE - SOLD
2003 W208 CLK 320 Cabriolet - Magma Red