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Eurocharged V5 vs V7 dyno poor results and even worse customer service

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Old 11-13-2017, 03:08 PM
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Eurocharged V5 vs V7 dyno poor results and even worse customer service

Hi all,

I recently upgraded my 2013 C63 AMG P31 from the V5 to V7 tune from Eurocharged after much debating and reviews from fellow credible mb fanatics. My first impressions of the upgrade were noticeable low end power gain and more aggressive shifting. Being a very technical person and having access to a credible dyno shop I decided to see what the new numbers were and to my surprise they weren't at all what I expected. (see pictures below) once I asked Jerry from eurocharged to enlighten me I was basically given the middle finger and blame was cast on everyone other than the tune. You be the judge and let me know what the MB community thinks about this. Best regards to all.








Last edited by geri1310; 11-13-2017 at 05:27 PM. Reason: restored original post
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Old 11-13-2017, 03:11 PM
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Last edited by geri1310; 11-13-2017 at 05:29 PM. Reason: restored original post
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Old 11-13-2017, 03:58 PM
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He posted tactual data graphs.
MB world: don't need the drama.
Pathetic.
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Old 11-13-2017, 04:14 PM
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Late to the party apparently. So what happened here as everything looks to be deleted? pm me if needed
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Old 11-13-2017, 04:18 PM
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Webachce version below has all the info.

http://webcache.googleusercontent.co...r-service.html
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Old 11-13-2017, 04:19 PM
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Any computer savvy person can pulled up the cached page off Google and see the dyno charts and images OP posted. I'm reading it as we speak lol.

Edit: Beat me to it ^
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Old 11-13-2017, 04:36 PM
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Oh boy here we go


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Old 11-13-2017, 04:46 PM
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I can empathise as it took a around 3 files on my car to get it happy, but since the last, it's been a beast all over the rev-range.

I think the OP would be best heading to a shop who can dyno tune the V7 file. I guess it's really hard for Jerry to do much remotely although I can't deny he was good to me.
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Old 11-13-2017, 04:57 PM
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wonder why he removed it all.
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Old 11-13-2017, 05:15 PM
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It looks like a refund was given, so I guess it's done. Shame for OP though that he/she doesn't get to enjoy the tune.

We have only one shop over here who do Eurocharged dyno tuning, and they seem to get good results so I'd definitely head to a shop if I was OP. That's way all of the kinks can be sorted there and then.
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Old 11-13-2017, 05:24 PM
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I was contacted by Eurocharged Canada and will be heading to their shop to check out whats up with my tune.

Very happy so far with Vlad from EC CAD customer service as opposed to EC USA which failed spectacularly.

However as of this post I am still waiting on my refund.

Sad that EC USA denies any problems when I was pointed out many different posts about the same issues I've had fellow members since my OP.
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Old 11-13-2017, 05:32 PM
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I created a thread when I was having my issues which became pretty public. The issue was that past 4K RPM, it was totally flat, like severe timing pull. I'm not sure the cause, something in the mapping for sure but it was rectified and I'm really happy.

The problem now is rather more, too much power and not enough tyre. I have no idea how supercharged guys deal with that without somehow getting another 4cm of rubber in there (lol).
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Old 11-13-2017, 05:51 PM
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Originally Posted by Cozy View Post
I created a thread when I was having my issues which became pretty public. The issue was that past 4K RPM, it was totally flat, like severe timing pull. I'm not sure the cause, something in the mapping for sure but it was rectified and I'm really happy.

The problem now is rather more, too much power and not enough tyre. I have no idea how supercharged guys deal with that without somehow getting another 4cm of rubber in there (lol).
I was hoping for some similar response and maybe finding a solution but I was basically slammed the door in my face so that's why I decided to share my story.

I am always one to prefer to praise a good merchant rather than point out a lesser one but in this case I could not let it slide once I was made aware that the issue was known.
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Old 11-13-2017, 06:24 PM
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Old 11-13-2017, 06:50 PM
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best to let the V7 owners here duke it out.
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Old 11-13-2017, 07:06 PM
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Originally Posted by BLKROKT View Post
LOL! I get where youíre coming from but some owners, like myself, are contemplating flashing the car now that itís out of warranty (this week). All of these threads, and certainly the ones with factual data, are useful when window shopping. Not like Iím going to buy one of each and dyno them all.
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Old 11-13-2017, 07:46 PM
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Old 11-13-2017, 08:56 PM
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Originally Posted by BLKROKT View Post
i would, but iím tired of making you look like a dumbass.
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Old 11-13-2017, 09:57 PM
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Never understood why people don't log air/fuel when they dyno the car. Very useful tool to diagnose the simplest of issues. Just stick the damn sensor in the tailpipe

Impossible to diagnose without knowing many other factors but my guess is your running a tad richer throughout the entire powerbad but who knows without the a/f log
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Old 11-13-2017, 10:57 PM
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Originally Posted by bentz69 View Post
Never understood why people don't log air/fuel when they dyno the car. Very useful tool to diagnose the simplest of issues. Just stick the damn sensor in the tailpipe

Impossible to diagnose without knowing many other factors but my guess is your running a tad richer throughout the entire powerbad but who knows without the a/f log
If you have cats, the sensor in the tail pipe is worthless...

You need to daisy chain the primary 02 harness if you want any sort of accuracy.
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Old 11-14-2017, 12:58 AM
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Originally Posted by Jasonoff View Post
If you have cats, the sensor in the tail pipe is worthless...

You need to daisy chain the primary 02 harness if you want any sort of accuracy.
I wouldnt say the tailpipe is worthless. Its still a good tool to get an idea where your at. As far as wideband sensor placement pre vs post cat, Ive seen .2 to .3 leaner for a post cat sensor vs a pre cat sensor. Taking that into account, AND the fact that your using a tailpipe sniffer, you will still get a decent idea if your running abnormally rich or lean. I think we can all agree that trying to dial in a car through a tailpipe sniffer is not the way to go but the OP is not doing that
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Old 11-14-2017, 05:07 AM
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As much as I have had a bad personal experience with EC and they've ignored probably 5 emails, text messages and a phonecall this year/summer to upgrade my tune to V7 - I must admit that from logs/video's I've seen of cars running a strong V7 tune, the cars move well and the logs tell their own story.

However, I've also seen one OE Tuning custom tune log running similar numbers as a V7 tune.

Vs V5 though, V7 running well is a far superior tune. It's a pity for the OP that V7 didn't work out for him.
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Old 11-14-2017, 05:13 AM
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Originally Posted by bentz69 View Post
I wouldnt say the tailpipe is worthless. Its still a good tool to get an idea where your at. As far as wideband sensor placement pre vs post cat, Ive seen .2 to .3 leaner for a post cat sensor vs a pre cat sensor. Taking that into account, AND the fact that your using a tailpipe sniffer, you will still get a decent idea if your running abnormally rich or lean. I think we can all agree that trying to dial in a car through a tailpipe sniffer is not the way to go but the OP is not doing that
Yeah no, by the the time the exhaust gas travels to the tailpipe sniffer and has been vetted by the cat(s), the difference can be an entire AFR point...maybe. Depends on the cat etc. I mean sure, you'll still have 'an idea' as to whether you're grossly rich or lean, but for fine tuning, you're better off with Jason's method.
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Old 11-14-2017, 06:36 AM
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Jerry seems to be a nice guy and has done well by me.
Having said that, his graph on ECs c63 page has not changed since the V3-V4 tune. He always says that each tune is a bit better and more powerful then the last, but has never stated the change on his website, and from what it looks like he posted in the email, its still “540”hp which no one seems to have achieved with any of his tunes to my knowledge. Plus it seems some of the V7 tunes or at least the early ones were problematic on the top end. Has that be fixed?
I still run the V5 tune and have the V6 tune on my computer, but have heard mixed reviews on it, so I didn’t load it to the car. I would buy the V7 tune if I knew it was really better, but the fact that the dyno numbers on the site have not changed since V3-V4 makes me leary. Some clarification on his part would be nice.
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Old 11-14-2017, 07:51 AM
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Love my V5 tune. It's perfect. Don't see that changing until I book some dyno time.
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