GL Class (X166) 2013-2015 after facelift became GLS (X166)

Wrong Antifreeze Input

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Old Jan 2, 2022 | 01:36 PM
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2003 S55 Kompressor
Wrong Antifreeze Input

Hello, I bought a 2015 GL550 and at the dealer they put Pink Antifreeze in it and from my cousins 2014 GL450 experience (pink Antifreeze blew all the water lines) I know that GL uses blue Antifreeze. What is your opinion on that?

When I shut off the car Antifreeze container makes some kind of pumping noise for about 10 minutes and then it goes away, also the smell and smoke comes out from the back of the engine.

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Old Jan 2, 2022 | 11:10 PM
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2017 GLE350 4MATIC
You are both right.

From May 2014 and later uses 325.6 and 326.6 pink coolant.

April 2014 and earlier uses 325.0 and 326.0 blue coolant.

https://operatingfluids.mercedes-ben...ory/coolant/en
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Old Jan 4, 2022 | 09:58 AM
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2014 GL450, 1992 W140 300SD, 1993 W140 300SE, 1987 E30 Convertible
Pumping or boiling? There is a recirculatory pump in front left of vehicle which recirculate coolant for some time after engine turned off.
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