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

Intercooler Coolant Resevior

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Old Dec 17, 2020 | 05:15 PM
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Jim Ma
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S 550, S65 Coupe
Intercooler Coolant Resevior
Does anyone know what the recommended fill level for the Intercooler Coolant reservoir is? The reservoir is located under the engine cover in the center of the engine. I can't see any markings on the reservoir. My reservoir only had a small bit of coolant in the bottom of tank. I search but can't find any info on it.
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Old Dec 17, 2020 | 07:59 PM
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chassis
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2017 GLE350 4MATIC
Please post your VIN and someone can look up the fill procedure.
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Old Dec 18, 2020 | 08:38 AM
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4JGDF7DE8DA177518
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Old Dec 19, 2020 | 09:17 PM
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Fill procedure attached. Nothing specific is given regarding the low temperature circuit.
Attached Files
File Type: pdf
X166 M278 replace coolant.pdf (407.1 KB, 1487 views)
File Type: pdf
X166 M278 fill coolant.pdf (868.5 KB, 1334 views)
Last edited by chassis; Dec 19, 2020 at 09:20 PM.
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Old Mar 26, 2021 | 01:23 AM
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2014 gl450
Originally Posted by Jim Ma
Does anyone know what the recommended fill level for the Intercooler Coolant reservoir is? The reservoir is located under the engine cover in the center of the engine. I can't see any markings on the reservoir. My reservoir only had a small bit of coolant in the bottom of tank. I search but can't find any info on it.
Sorry to revive this, but I spent last 2 hours searching on whats the correct level for intercooler fluid level. Were you able to get that info? Above attachments do not make sense. Thanks!
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Old Mar 26, 2021 | 08:04 PM
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From: Maryland
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I never could get definitive info so I just filled it about half way. No issues after that
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