SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: I made my Supercharger whine.

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Old Feb 14, 2021 | 02:10 PM
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I made my Supercharger whine.

Over the weekend. I made my supercharger whine.




77mm Fixed pulley and RaceIQ tune to match. changed my supercharger oil while I was in there.

Cheers. Happy V-day

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Old Feb 14, 2021 | 03:32 PM
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Pretty cool. Nice job. On a related note, for those unaware, the actual whining noise is not from the supercharger:

Last edited by poppyboy; Feb 14, 2021 at 03:39 PM.
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Old Feb 14, 2021 | 03:50 PM
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How is the tune with the fixed pulley? I was tuned Eurocharged Canada with my old E55 and 77mm and that tune was absolute garbage....
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Old Feb 14, 2021 | 08:56 PM
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Originally Posted by MTV10
How is the tune with the fixed pulley? I was tuned Eurocharged Canada with my old E55 and 77mm and that tune was absolute garbage....
I drove it for about 10 miles so far. The SL55 behaves normally in mellow drives. Stop light with a slow rolls starts I can break Tires loose instantly. ESP will work overtime to control the wheel spin. Rolling at 40mph in Auto Sport mode I punch it The trans will kick down a gear and then rip up really fast. I didnt really like the kick down , using the paddle in manual mode to use the lower gear seems to be the best way to remedy the kick down. I dont know if the TCU tune will help. I dont have that.

The SL55 with fixed pulley is pretty much a different animal. A lot more brutal in acceleration. In a way it is kinda scary. I need to get use to the new power level. Tire can really spin easy.

Can you describe what the issue is with the Eurocharged tune?

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Old Feb 14, 2021 | 09:02 PM
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Originally Posted by poppyboy
Pretty cool. Nice job. On a related note, for those unaware, the actual whining noise is not from the supercharger: https://m.youtube.com/watch?v=MjUVWaCjo98
Believe me, it is not the same whine, It surely didnt whine ilke this before the fixed pulley. The Supercharger whine is intoxicating to hear.
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