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

SL55/63/65/R230 AMG: Sl63 R230 mods

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Old Mar 26, 2016 | 03:16 AM
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Sl63 R230 mods

Hi, guys)

I'm from Russia, yesterday I have buy SL63 IWC edition with 5000 kilometers

What mods I need do to get some power?

Exhaust, intake, tune, big TB?

And how many cats on this car, 2 or 4?!

I need your opinions

Last edited by A448PO; Mar 26, 2016 at 03:21 AM.
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Old Mar 26, 2016 | 04:54 PM
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Porsche guy who drives SL63 w/ perf pkg AND perf suspension
from what I have seen, you dont get much hp from mods for the engine. All of the exhaust and ecu gets only 25 to 35 hp. Not worth any money. I would leave it alone
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Old Mar 26, 2016 | 09:14 PM
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From: Mississauga, Ontario, Canada
Mercedes SL63 AMG; Mercedes E63 AMG S 4matic; Mercedes C43 AMG; Mercedes S Class, Mercedes GLK
I agree with okbarnett. Unless you go down the Weistec route of full supercharger and drop $20k or more there is very little you can do to gain significant hp.

I recently purchased the Eurocharge tune because they had a short term sale on it, but reality is there is very little hp to be gained. I expect to go from stock 518 to about 550 (crank) with tune, ROW airboxes and high flow filters.

You can check out the C63 forum, the guys there are a lot more active than I've seen here.
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