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Coolant warning light

This is a discussion on Coolant warning light within the Mercedes-Benz CLA45 AMG forums, part of the Mercedes-Benz CLA Model Specific Forums category; Hi guys, Yesterday for the first time I’ve seen the “orange” warning coolant light. When looking in the maintenance book, I find nothing regarding this ...

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Thread: Coolant warning light

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    Newbie chazo's Avatar
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    Coolant warning light

    Hi guys,

    Yesterday for the first time I’ve seen the “orange” warning coolant light.
    When looking in the maintenance book, I find nothing regarding this light (the red light logo is noticed but not the orange one).
    When arrived, it was in a parking witing to find a place after running the sport+ mode.
    Coolant was near 100C°, oil 103C°

    I supposed it was du to a low coolant level, but not sure (normally there is a specific light : check coolant level, it was not this one...this morning I add near to one cm of coolant in the car to reach the normal level.

    Does any one had this message before ?
    (I have to drive 500km soon) and not time to go to MB...

    Thanks,
    Nicolas

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    Ninja 2katman2's Avatar
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    Sounds like you did the right thing - why not drive a couple of km to see if it comes on again?
    I took European Delivery and drove through four countries in my limited edition Universe Blue CLA 250.

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    jmc
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    Wow 10mm down seems like a lot (to me)
    Regardless of warning state better check the water level before the next few starts ... if it keeps dropping thats an issue

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    Newbie chazo's Avatar
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    Yes, it’s what I do this morning, driving few kilometer without error message...

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    When I went in for service, my coolant expansion tank was leaking, its plastic and with the heat from the turbo makes it weak over time. Car has 50,000 miles on it. I would check there, they replaced it and flushed the coolant and replaced. Repair was around 350 ish

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    Newbie chazo's Avatar
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    Jmc, you’re right, not 10, but I thing only 5mm...

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    jmc
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    How long have you had the car? Or how long since the last water check?

    Lucky so far here ... 29.5mL added since new about 5 yrs ago and at 22k miles.

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