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- Mercedes C250, C300, C43, AMG (https://www.jb4tech.com/forums/forumdisplay.php?f=38)

- - 2016 c300 (https://www.jb4tech.com/forums/showthread.php?t=66278)

Jshotz210

08-21-2021 02:44 AM

2016 c300

I have a 2016 c300 and experiencing an issue. I have the jb4 installed (newest model) on map 3 with only the rainbow patch connected and when in sport plus mode i floor it and then goes into limp mode. It weird cause when i park the car turn off and back on its fine.. any thoughts???

Steve @ BMS/Fuel-It!

08-23-2021 11:02 AM

That could be a multitude of things. You'll need to read the codes and go from there.

(Guessing misfire)

Jshotz210

08-23-2021 11:05 AM

Thanks man. Its only map 3.. map1 and 2 are good.i will see codes

Terry @ BMS

08-23-2021 01:43 PM

Might be an underboost fault then, that is a side effect of not connecting brown. If that is the case just stick with map2.

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