W212 AMG Discuss the W212 AMG's such as the E63

Are all tunes created equal

Old Nov 30, 2012 | 06:53 PM
  #1  
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Are all tunes created equal

I had my 2012 tuned before and had some issue with the car or the tune. Can't figure out the issue at this points. The tuner has a money back gurantee and I am leaning toward getting a refund.

I am hesitant in tuning again and being a bit smarter with my next move. Trying to actually do some research on different tuners and what they actually do to increase power. More importantly why their tunes are different than their competiors


I have spoken to a couple of tuners and of course they say there will be no problems. The funny thing is that nobody has yet mentioned that spark plugs might be an issue with this car and its recomended to change them.

I am finding that most tuners have not tuned that many of the m157 engines and do not have enough info yet. Something I worry about

From what I understand and I could be wrong,

There are a couple of kid genius in Europe developing these tunes and then selling them here in the US. Whether the US tuner is actually making changes is something I dont think anybody will know. If creating power is coming from the same basic adjustments- increasing boost, changing time and fuel then most tunes should be similar in some shape way or form

I have heard that some tuners create their own tunes here.


I guess my point of this post is that if I get a different tune from another company will I most likely run into similar issues with mis-fires etc.

My car was relashed back to stock when I took it in. Although I greatly miss the power I feel confident that I can push my car and not be stranded on the side of the road with a mis-fire

Anybody that knows anything about anything about tuning please chime in. I sure dont
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Old Nov 30, 2012 | 08:17 PM
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IT LIKE ITS STOLEN!
your still going with this tune or not issue, bro its the spark plugs no matter what tune you go with you will have the problem guaranteed
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Old Nov 30, 2012 | 09:46 PM
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I just got my car back, dealer replaced the plugs and said its not the tunes fault. And one of my plugs actually cracked in half and i had to tow the car. I guess its always a risk to tune the car but it is addictive and not easy to stop.
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Old Nov 30, 2012 | 11:23 PM
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Renntech tune all the way! No issues at all here, even after some very hard driving. I highly recommend them, and have no doubt they will stand behind their product.
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Old Dec 1, 2012 | 12:29 AM
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i drive them all, fast and hard
Dropstop, do u think it was the tune that messed up the plugs. I assume there were no issues prior to tune.?


Sebc. How does the dealer know if the tune affected the plugs or not
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Old Dec 1, 2012 | 05:39 AM
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I have a Renntech tune. Dealer claimed that there were plugs in the production that were bad but not enough for a recall. I know the dealer is telling me the truth bc the service manager is a friend of mine.
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Old Dec 1, 2012 | 11:15 AM
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Originally Posted by NickE63
your still going with this tune or not issue, bro its the spark plugs no matter what tune you go with you will have the problem guaranteed
I was going to say the same thing.... to the OP you dont seem comfortable enough in the "pay to play" environment. Your post here shows it...

As knowledeable as we all are---- we are not tuners and we cant guarantee a thing. Experiences from owners are definitely tangible but you are worried about tuners not working long enough the M157, misfires, and ultimately stranded on the road. Based your statements you should stay stock and let more time pass so more bugs can get ironed out and you will have peace of mind.
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Old Dec 1, 2012 | 12:36 PM
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IT LIKE ITS STOLEN!
Originally Posted by Vic55
I was going to say the same thing.... to the OP you dont seem comfortable enough in the "pay to play" environment. Your post here shows it...

As knowledeable as we all are---- we are not tuners and we cant guarantee a thing. Experiences from owners are definitely tangible but you are worried about tuners not working long enough the M157, misfires, and ultimately stranded on the road. Based your statements you should stay stock and let more time pass so more bugs can get ironed out and you will have peace of mind.
well put listen to the man!
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Old Dec 1, 2012 | 02:48 PM
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Originally Posted by Vic55
I was going to say the same thing.... to the OP you dont seem comfortable enough in the "pay to play" environment. Your post here shows it...

As knowledeable as we all are---- we are not tuners and we cant guarantee a thing. Experiences from owners are definitely tangible but you are worried about tuners not working long enough the M157, misfires, and ultimately stranded on the road. Based your statements you should stay stock and let more time pass so more bugs can get ironed out and you will have peace of mind.
Even the tuners themselves can't guarantee a thing, regardless of amount of R&D that goes into their respective tunes. All cars are created slightly different, and what may work for the masses may not work well for your specific car, especially when running parameters more aggressive than stock.

Bottom line, as Vic says, you mod at your own risk, but there are certainly varying degrees of risk you take depending on the research you do and vendor you select. In the case of the basic m157 tune, obviously there are scattered spark plug issues that tunes will exploit with their higher boost settings. But some tunes raise boost higher than others, so clearly to minimize your chances of encountering this problem, go with a tune with more conservative boost targets. That's the main reason I chose Renntech, because peak boost on their shelf tune is set identical to the stock PP level of 18.8psi.

Good luck to the OP.

Last edited by xtyper; Dec 1, 2012 at 02:51 PM.
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Old Dec 1, 2012 | 03:20 PM
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i drive them all, fast and hard
the only tuners who have the answers are the ones in Affalterbach

i got their super expensive tune and it came with a cool steering wheel
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Old Dec 2, 2012 | 12:14 PM
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Plugs

Well at this point we are not even sure it's the plugs. No ever checked them yet. Don't have the time to keep messing around with the dealer and trying to make things right. I think we have the mid-understanding of the pay to play comment . If I knew potentially that I could have problems with the car would of mde me think twice before getting tuned. Hard to think that way when the tuners are saying no problems at all.

I am thinking to take car to a local mechanic and check plug since dealer won't under warranty and see if hats the problem



I issues that I am running into is similar to nick and sebc but not that extreme. Who knows it might not be the plugs. Car runs fine now with stock tune and same plugs. I believe both nick and sebc had cracked plugs and their cars would not rev pasted 2k even after restart



Originally Posted by vdubpower
Dropstop, do u think it was the tune that messed up the plugs. I assume there were no issues prior to tune.?


Sebc. How does the dealer know if the tune affected the plugs or not
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Old Dec 2, 2012 | 04:16 PM
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Porsche 911 Turbo S 2014! E63S 14, Audi S8 13, CLS63 12, E550 12, C63 09, all tuned
Renntech, programs their own tunes in house in Lake Park, Fl.
Boost is the same as the stock PP, and does not change . But they do increase boost for non PP tunes.
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Old Dec 2, 2012 | 11:06 PM
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i drive them all, fast and hard
so what are they changing in their tune thats gets the 100 hp if its not the psi, where as others are boosting the psi to get their hp
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Old Dec 3, 2012 | 04:38 PM
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Porsche 911 Turbo S 2014! E63S 14, Audi S8 13, CLS63 12, E550 12, C63 09, all tuned
Basically, and I am sure there is more to it then just boost, but the stock boost peaks at 18.5 psi @ 3800rpm and tapers back down. The tuner increase the boost at a lower rpm and holds the 18.5 psi boost up to 5800 rpm.
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Old Dec 4, 2012 | 11:57 AM
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IT LIKE ITS STOLEN!
Originally Posted by drop997stop
Well at this point we are not even sure it's the plugs. No ever checked them yet. Don't have the time to keep messing around with the dealer and trying to make things right. I think we have the mid-understanding of the pay to play comment . If I knew potentially that I could have problems with the car would of mde me think twice before getting tuned. Hard to think that way when the tuners are saying no problems at all.

I am thinking to take car to a local mechanic and check plug since dealer won't under warranty and see if hats the problem



I issues that I am running into is similar to nick and sebc but not that extreme. Who knows it might not be the plugs. Car runs fine now with stock tune and same plugs. I believe both nick and sebc had cracked plugs and their cars would not rev pasted 2k even after restart
i just want to point out that i had this issue before tuned and after tuned, i didnt have the problem immediately after tuning the car, i started having the problem few thousand miles after the tune, and it happen in a very weird way, put the car away for like 2 weeks with it running like a champ, got back from vaca started it up and noticed it started up very weird, took it to the gas station and it ran like ****.Stalling out, shaking like it had no motor mounts, knocking all sorts of ****, took it to the dealer they changed the plugs out according to the misfired cylinders that the obd2 recorded, and it now runs stronger than ever. hope you retune your car and enjoy it like it suppose to be enjoyed, don't take this wrong way but stock its slow as **** for me, i would rather change the plugs every 5 thousand miles than drive my car in OEM form.
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