GLC63s, GLC63, GLC43 AMG SUV and Coupe (X253, C253) 2015 - Present

Renntech GLC 43 91 Octane Tune

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Old Feb 20, 2019 | 12:36 PM
  #1  
rlevy's Avatar
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2014 E63S Wagon 2017 BMW X5 3.5i 2012 BMW X5 3.0D and 2000 Porsche 911
Renntech GLC 43 91 Octane Tune

Does anybody out there have direct experience with the Renntech 91 Octane tune applied to the GLC43?

Thanks,

Remy
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Old Feb 20, 2019 | 10:29 PM
  #2  
Chrisk03's Avatar
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GLC43, GTI, X3, Mazda3
Originally Posted by rlevy
Does anybody out there have direct experience with the Renntech 91 Octane tune applied to the GLC43?

Thanks,

Remy
That may be hard to find. I think the price has basically forced those interested to other options. I was interested in the 93 octane tune, even at their normal price, but their customer service (or lack thereof) kind of turned me off. I corresponded with them and got a response that answered most of my questions, but had a few more and they basically disappeared. I even provided name/number to contact me, if that was easier...nothing. After that experience, I will probably just go JB4 and save myself $1500 bucks. Perhaps, they have bigger fish to fry than fast mommy-mobiles.

I know that doesn’t really answer your question, but thought I’d give you my 2 cents. Good luck.
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Old Feb 22, 2019 | 10:25 AM
  #3  
Joe biker's Avatar
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2018 GLC43
Personally I would go with the AMR hand held tuner for 2k
This way you could custom map your 43 and always return it to stock.
The only thing stopping is the wife as I have been spending to much money lately.
I want to go to Mecum in January and pick up another toy so I have to be careful!!!!
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Old Feb 22, 2019 | 03:51 PM
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Chrisk03's Avatar
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GLC43, GTI, X3, Mazda3
Looks like RENNtech just came out with a hand held tuner, as well...63 versions only. No 43 love.
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Old Feb 23, 2019 | 01:57 AM
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2017 GLC 43 Coupe
Eurocharged is #1 for tune or jb4 piggyback from bms.
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