OE Tuning downside
#2
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Join Date: Dec 2010
Location: Santa Ana, CA
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OE Tuning C63 AMG
M278 GLS550 Tuning
We have a tried and tested tuning platform for all M278 equipped vehicles with proven performance and reliability that has stood the test of time.
The beauty of having a Tune with MyGenius OBD2 flash programmer is you can always switch between tuned map settings and remove the tune by flashing the ORIGINAL stock map for service.
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AndrewFerg (11-27-2021)
#3
Has been awesome, does justice to the big block engine, it finally comes to life! Fun factor waaay up, funny though MPG stays (about) the same. Having (somewhat) experience with other German tuned platforms, feel pretty confident about it. Just treat your motor nice(Liqui Moly ritual) and you'll be fine.
cheers,
Bob
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SALES@OETUNING (11-23-2021)