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Octane booster with the C63s

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Old Jul 3, 2017 | 03:06 PM
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C63S Sedan
Octane booster with the C63s
Anyone used this? I only get crappy 91 octane in CA.
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Old Jul 3, 2017 | 03:39 PM
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every fillup i add 2 gallons of e85 to a full tank of 93 octane, it bumps up the octane level by a little bit
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Old Jul 3, 2017 | 04:06 PM
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2012 E550
The ECU can adjust for the lower octane. Unless you are pushing the car really hard and or have a tune that requires the car to run higher octane there is no point. I would not trust a non approved octane booster in my Benz.
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Old Jul 4, 2017 | 07:57 AM
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Here in San Diego there's a station with unleaded 100oct and I am so tempted but don't think stock ECU will adjust to it or does it?
Last edited by hotdognobun; Jul 4, 2017 at 08:00 AM.
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Old Jul 4, 2017 | 11:52 AM
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Originally Posted by digitalnav
Anyone used this? I only get crappy 91 octane in CA.
Several threads on the topic but no real consensus. Some say stay away from the stuff while others claim benefits. Like everything else, there are risks involved. I did e85 with my M4 and saw some benefits but had an unrelated issue and stopped mixing it.


https://mbworld.org/forums/c63-c63s-...e-booster.html

https://mbworld.org/forums/c63-c63s-...-91-fuels.html

https://mbworld.org/forums/c63-c63s-...ed-tested.html
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Old Jul 4, 2017 | 12:31 PM
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Snake oil. The one thing boosters do is boost money out of your wallet.
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Old Jul 4, 2017 | 01:34 PM
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Boostane and Octanium both somewhat work.
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Old Jul 4, 2017 | 01:56 PM
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2020 AMG C63S Brilliant Blue
Originally Posted by hotdognobun
Here in San Diego there's a station with unleaded 100oct and I am so tempted but don't think stock ECU will adjust to it or does it?


Doubtful. If anything, minimal increase in power, nothing that you'll feel. Real way to tell to do back to back dyno runs on 91 vs 100. At $8/gallon for 100 oct, I can live with my stock 503HP.
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Old Jul 4, 2017 | 02:00 PM
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Something like .1 up per ten gallons of fuel.
Vince
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