Check coolant?

2007 MERCEDES BENZ S500
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NICEMOM1800
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Message appears "check coolant" Is it safe to use 'Peak Ready-to-Use' In my Mercedes Benz S550 4matic?
Dec 1, 2008 at 10:22 AM
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KASEKENNY
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More than likely this is just a faulty coolant sensor or the coolant level is actually low.

I would suggest checking the coolant and if it is full then replace the sensor.

If your coolant is low then you may just want to service the system. Here is a guide that will help with this:

https://www.2carpros.com/articles/coolant-flush-and-refill-all-cars

Please review the info below on how to replace the sensor. Please let us know if you have other questions. Thanks
Jul 12, 2021 at 4:56 PM