C218 CLS63, 2011 - 2019

Racechip installation.

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Old Sep 27, 2018 | 06:58 PM
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2014 Mercedes CLS63-S
Racechip installation.

I just ordered the RS Racechip for my 2014 CLS63-S and it has 3 pairs of different connectors instead of only 2 as in the installation instructions. Does anyone know where the 3rd connector pair goes that is labeled "C"?
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Old Sep 28, 2018 | 03:00 PM
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CLS63AMG W218 • CM7 Accord • '13 Yamaha R1
Originally Posted by nicob333
I just ordered the RS Racechip for my 2014 CLS63-S and it has 3 pairs of different connectors instead of only 2 as in the installation instructions. Does anyone know where the 3rd connector pair goes that is labeled "C"?
Why did you go with this setup instead of all the other tuners?
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Old Sep 29, 2018 | 12:35 AM
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2014 Mercedes CLS63-S
It's a piggy back system that does not make changes to the ECU of the car and can be removed easily before service. I also have a 4 year extended warranty that may be effected with other tuners. It also improves HP and torque by 30% and mpg by 15% so is advertised. Are you familiar with the RaceChip installation?
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Old Sep 30, 2018 | 08:40 AM
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The best or nothing
I have spoken to Racechip and they seem like a nice company, for what they offer, it is amazingly cheap. But I wouldn't plug anything like they are offering (it basically only bumps fuel maps) to a sophisticated engine like the M157. Racechip could be well suitable for stupid VW diesels.
If you want to chip your CLS63, go with http://www.performmaster.com/cls63-amg/
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Old Oct 15, 2018 | 01:01 PM
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2014 Mercedes CLS63-S
Not smog legal in California.
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