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#1
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Intermittent low coolant warning light
Hi,
So the low coolant light has come on periodically over the last 3 weeks in my ML. It comes on, stays on for a little while (minutes) and then goes off. Only to come on again at another point in time. The first time I saw the low coolant warning light, the coolant was down about 10 oz., give or take. I topped it off. Subsequently it is not down at all. Can anyone tell me where is the sensor for this and why it might come on periodically? Many thanks! |
#2
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"Some"
Members here get all torqued up ,when they cannot render assistance to
you CAUSE... YOU HAVEN'T "Told" them what YEAR and Model Mercedes. Me? No Problemo. [You're driving an ATC and need all the help you can get!] we'll "Pick" on the 163.154 (ML320) EPC Says: Coolant Level Sensor is contained in expansion reservoir. Which means IF the Level sensor is BAD ...New Tank. ($85.00 USD retail) I've No access to the ML's FSM , but there' s gotta be a simple test procedure in there.Somewhere? (There is a chance that the "Float" inside the Surge Tank is Calibrated to work ONLY with the correct "Protective" mixture of Antifreeze/Distilled H2O. Believe it or not, some Fords do this) Purpose of Level Sensor is to make it a little more difficult for the Operator to "Cook Off" the Engine DUE to lack of Coolant. 1.Low Coolant 2.Bad Sensor 3.Bad electronics/wiring 4.Blue Moon over Tuscaloosa?
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'84 300SD sold 124.128 Last edited by compress ignite; 08-01-2012 at 01:20 PM. |
#3
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>CAUSE... YOU HAVEN'T "Told" them what YEAR and Model Mercedes.
Oopse. Thanks for the reply! You ROCK! The mixture is of MB origin and sounds as if i will need to replace the tank. I'll re-check the electrical connections and give it another week to see if there is any fluid loss. If all appears stable, i'll order a new tank and that will hopefully put this gnat of a probelm behind me. |
#4
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Bad sensor/sender for sure. I have one that does the same thing.
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http://i193.photobucket.com/albums/z...-RESIZED-1.jpg 1991 300E - 212K and rising fast... |
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