S55 AMG, S65 AMG , S63 AMG (W220, W221) 2001 - 2013 (Two Generations)

S65 rough when accelerating

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Old Aug 31, 2013 | 08:50 PM
  #1  
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S65
S65 rough when accelerating

only had it 2 weeks and already a problem

Check engine light came on and when I accelerate it feels very rough. if I just maintain my speed seems ok.

Also saw a spot of oil by the rear drivers side tire.

I am bringing it in on Tuesday to the dealer but wanted to have an idea.

Coil pack and strut?

2006 with 71k miles.
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Old Sep 1, 2013 | 04:45 AM
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What happens if you stop and re-start the engine? Does the rough running go away?

Nick
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Old Sep 1, 2013 | 11:52 AM
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Have you brought it anywhere to read the code? I've had similar problems in an E55 and it was the air flow sensor. I personally have no idea what an S65 has
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Old Sep 1, 2013 | 12:00 PM
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I have not started it since, I turned around and drove it right home as soon as I saw the problem. I will start it again and see what it does.

I am going to pick up a code reader this afternoon. Will see what it says.
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Old Sep 1, 2013 | 02:50 PM
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started it up and it was still rough.

Read the code and it is P0309. Cylinder 9 misfire. It was listed twice, Confirmed and pending. I cleared both codes and it started up and was smooth. I took it out for a 20 minute run and no issues.

The odd part is when the light came on I wasn't pushing it. I was idling along at maybe 10 mph as I pulled out of my driveway.
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Old Sep 3, 2013 | 10:24 AM
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2003 W211 E55, 2003 W220 S600
coil pack is going bad
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Old Sep 3, 2013 | 02:59 PM
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I see some old posts where people mention the ignition transformer as a possibility for single cylinder misfires. I am thinking I might replace that first. If that isn't it Coil packs but it hasn't done it since so not sure. I did notice this morning a rough idle, I didn't mention it to the dealer when I dropped it off. While I will have to have them fix the ABC leak I noticed I am planning on doing the Ignition transformer/coil packs myself.

Also where is the best place to order these coil packs/ignition transformer? A quick search for the part I found(000-150-02-58-M22) showed only one place selling it. The coil packs seem to have a few manufacturers. Any reason to buy one over the other?

Sorry for all the question's a search showed some sites but perhaps I am missing something on the part numbers.
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Old Sep 21, 2013 | 11:34 PM
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An update.

Both coils were replaced as well as the MAP sensor(found cracked rubber when replacing the coils).

The strut was also replaced as that was the source of the ABC leak.
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Old Sep 22, 2013 | 07:36 AM
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Did you replace them yourself?

Have you solved the problems?

Nick
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Old Sep 22, 2013 | 12:12 PM
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I didn't do them myself. I found that I was covered by a 30 day warranty. Took some arguing with the dealer I bought it from(not a MB dealer) but they fixed it.

It did fix the issue.
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