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

SL55/63/65/R230 AMG: Killer Chiller for 2004 SL600 (With SL65 engine)

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Old Feb 6, 2026 | 09:12 PM
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2004 SL600
Killer Chiller for 2004 SL600 (With SL65 engine)

I would like to add a Killer Chiller to my 2004 SL600 with AMG SL65 engine.
(If not familiar with the term, this is a system which cools the intercooler fluid via the A/C system instead of just air flow; it typically cools below 50F regardless of outside temps.)
The company Beefcakeracing makes a Mercedes specific one and a Universal one.
It appears that 5+ years ago some people here installed a unit from Kincaid, but they went out of business and members here reviewed them very poorly.
Does anyone have experience with one of the Beefcakeracing ones or other brand?
I already have the higher volume intercooler pump installed and will install the M279 reservoir tank at the same time.
I do not want to go "crazy" and install a huge reservoir tank in the trunk for even better cooling.
I am considering eliminating the front starter battery and using the space for a modest reservoir tank. (Yes I understand the electronic CAN bus complexity of that.)
Thanks for any suggestions or experiences.



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Old Feb 8, 2026 | 11:46 AM
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I would consider a larger heat exchanger, as these chillers don’t work well with factory heat exchange systems. If you decide to leave the factory system don’t expect stellar results. That leaves the chiller to do all of the work, and removing that small battery probably won’t leave enough room for a sufficient tank ( at least 2 gallons) to get the job done. These are needed much more for roots or twin screw blowers, as they produce much hotter air than turbos. I would consider meth injection before the chiller on your application.
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Old Feb 8, 2026 | 04:50 PM
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Thanks for your feedback and suggestions @cdk4219 . So perhaps installing a larger heat exchanger in addition to the chiller, assuming there is room for both. I saw that some other brand chillers included a much larger tank, but likely not fit my car.
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Old Feb 10, 2026 | 12:19 PM
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With the grill off I examined the coolers and radiators. The cooler (heat exchanger) for the intercooler is already two-thirds the size of the entire radiator area.
BTW the part number on my cooler appears to match the SL55, SL65 and SL600.
I see a couple threads and a YouTuber who mounted a Killer Chiller in their CL55; sure is a tight fit, likely tighter than on a CL65.

EDIT: Even though BeefCakeRacing lists the Killer Chiller, it is no longer made and I now have to research either the FI Interchiller or IC Chiller.


Last edited by mrvedit; Feb 10, 2026 at 12:29 PM.
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Old Feb 11, 2026 | 03:20 PM
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That’s 2/3 the size of your radiator?
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Old Feb 11, 2026 | 04:37 PM
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Meth injection!!! LoL
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Old Feb 11, 2026 | 05:28 PM
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Here is a picture of my Intercooler radiator which sits in front of the A/C condenser and Engine radiator. You can see it is full width and about 2/3 tall.
Is is part # A2205002503. I just checked and it is indeed connector to the high volume pump I installed.



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