I just swapped the coil packs at the front of the engine.

I've got three codes now:
P0300 Random Misfire detected

P0301 Cylinder 1 Misfire Detected

P0307 Cylinder 7 misfire detected.

It looks like the error followed the coil pack. Anyone have any ideas?

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Current Crop:
2002 ML500
1997 SL600
1969 Corvette (for sale, perfect shape)
1984 RX7 GSLSE

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a diesel MB!
Looking for a new SL.