C32 AMG, C55 AMG (W203) 2001 - 2007

P0300 P0305 Spark Plugs and Spark Plug Wires

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Old Sep 18, 2010 | 09:30 PM
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tworotorturbo's Avatar
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02 C32
P0300 P0305 Spark Plugs and Spark Plug Wires

Just a little info in case anyone else has the same symptoms and error codes. 2002 C32 with 117K miles. Started idling low/rough when in gear and stopped and a bit in neutral/park too. Codes came up: P0300 (Random Misfire) and P0305 (Cylinder 5 Misfire).

Dealer wanted $80 for EACH spark plug wire (we have 12).

I bought the SAME exact BOSCH OEM wires online for $100 shipped, yes that's for ALL 12. Even came wrapped in the same OEM plastic baggies with OEM part numbers.

Bought 12 new NGK IR plugs online.

Cured the rough idle and cleared the error codes. I would say this job is completely DIY for anyone.
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Old Sep 18, 2010 | 11:17 PM
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AMG DUDE's Avatar
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09 GL 550, 08 BMW X5 4.8, 05 C55 AMG, 05 GSX-R1000 (sold), Denali XL (sold)
Excellent! Which on-line store did you use?
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Old Sep 19, 2010 | 12:32 AM
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02 C32
Originally Posted by AMG DUDE
Excellent! Which on-line store did you use?
needswings for the plugs and autopartswarehouse.com for the bosch wires.

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