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2014 W222 Intercooler Coolant

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Old Aug 12, 2020 | 10:49 AM
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From: Lubbock, texas
2014 S550
2014 W222 Intercooler Coolant
Hello Guys,

Im wondering if there is a maintenance requirement on the turbo intercooler coolant. Is there a set replacement requirement om mileage or time?

Thanks

Ricardo
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Old Jan 25, 2021 | 09:17 PM
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Old Jan 26, 2021 | 07:15 AM
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And the coolant is the same as the radiator coolant. G40 if I recall.
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Old Jan 27, 2021 | 03:22 PM
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Originally Posted by Katie22
And the coolant is the same as the radiator coolant. G40 if I recall.
Yup, same. I usually drain and fill the the reservoir annually. Its such a small amount and I have the stuff pre-mixed.
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Old Feb 8, 2021 | 11:22 AM
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Sorry posted wrong place
Last edited by arsupisemnet; Feb 8, 2021 at 11:42 AM.
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Old Feb 8, 2021 | 11:44 AM
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Where is the marking that indicates the full level in the reservoir?
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Old Feb 8, 2021 | 06:53 PM
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Originally Posted by Tom in Austin
Where is the marking that indicates the full level in the reservoir?
Great question, I wonder the same thing!
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Old Feb 24, 2021 | 10:47 AM
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Old Apr 3, 2021 | 04:53 PM
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To close the loop on this ... pulled out my reservoir today and there's a molded plastic piece down in there that indicates full. Similar to the expansion tank for the main cooling circuit. My reservoir was completely dry, took about 8 oz of fluid to fill it back up.
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