Where is Coolant Level Sensor (NOT TEMP SENSOR) located on ML430??
It is intermittently on and off.
Will a cleaning fix it????

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Dionysius

Hello - take a look at the link below for the location and procedure.

Mercedes-Benz W203 Coolant Level Sensor Replacement - (2001-2007) C230, C280, C350, C240, C320 | Pelican Parts DIY Maintenance Article

Thank you for this info. On my vehicle ML430 I did locate it. It is at the back top of overflow tank and is hidden so not visible from front.

I also find that the sensor and tank come from MB as an integrated part only and costs $99. How silly of them to not sell as separate part. This is a trend I am noticing.

Any comments????

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Dionysius