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CLK550 P0308 Misfire

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Old 05-07-2024, 08:44 PM
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2007 CLK550 Convertible
CLK550 P0308 Misfire

What’s up guys, I got a 2007 CLK550 Convertible. I have a p0308, cylinder 8 misfire, I’ve recently changed all spark plugs, cylinder 8 coil, even did the swap coil test and it’s still a P0308. Occasionally it’ll throw a P0300, P0305 but when I check again the next day or whatever I’ll say P0308 only. I changed the air filters as well if that’s worth mentioning. Car turns on everyday, doesn’t hesitate, runs pretty good. I think I notice a slight shake at idle, like a slightly rough idle but it’s nothing worth mentioning. I’ve never experienced a real misfire but I’m certain the car is not actually misfiring or hesitating or sounding off. What could it be? Also another issues, My battery light randomly comes on too, when I’m driving down the street then will go away. Is this an indication of a bad battery?

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