The belly pan is still installed. I reset the codes and let the car dry out in my garage for a couple of hours, then tried it again. Same code - cylinder #6. I'm suspecting the coil resistor wire that sits under the coil, but I'm working from home and don't have the time to look at it right now. Does anyone know if a coil sits directly over #6?

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280