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

Leaking coolant

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Old May 26, 2025 | 11:55 AM
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nathanwelch23
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2015 GL 450 4Matic
Leaking coolant
Hello there,

I have noticed a coolant leak near bank 1 of the engine. It is coming from the inlet of the inter cooler which is near the reservoir. I have attached photos. Any guidance is appreciated. I’m not even sure which part I’m looking at. Thanks!


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Old May 26, 2025 | 12:56 PM
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2015 GL 450 4Matic
It is a 2015 GL450
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