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2020 GLC63 COUPE -ANYONE DO THE RENNTECH ECU+?

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Old Oct 29, 2020 | 05:24 AM
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shawnymeri
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2020 GLC63 Coupe
2020 GLC63 COUPE -ANYONE DO THE RENNTECH ECU+?


Curious if any of you have installed this tune? What are your thoughts and results?

seems legit - Seriously thinking of ordering it soon.
with the ECU+ tune they say you’ll be hitting
601HP @ 5500 RPM with 645 lb-ft @4600 RPM
basically hitting way above ‘S’ variant numbers...

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