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Where is the coolant temperature sensor?

M-Class (W163) 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Where is the coolant temperature sensor?

Old 10-04-2017, 03:57 PM
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Where is the coolant temperature sensor?

I have an ML320 with engine M112e32. For the life of me, I cannot find a photo online that points to where this part is. I know I need to drain the coolant prior to replacing this part, but I cannot locate where this thing is. Any help via steps or photo with an arrow would be appreciated. Thank you!
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Old 10-04-2017, 06:00 PM
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2002 ML500, 2003 ML55
You don't need to drain the coolant. Make sure you have the new sensor before attempting to remove the old one
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