I just got a 2003 l200 and the low coolant light stays on but the fill jug is full
check the coolant level sensor in the bottom of the reservoir, might be dirty, wiring issue, or it failed.
got reservoir tank off and soaking in dawn right now but found small leak in bottom of radiator could that be the cause
still having problem if anyone has a suggestion
Having same problem!! Did you get an answer on what the problem was?
replaced radiator cleaned tank light still comes on, i just keep an eye on my fluid level to make sure it stays at proper level
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