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my tire pressure monitoring system is falsely alarming...tire psi are all within range 33-38 however system still insistes something is amiss......how do i reset this alarm.....2009 c300 sport...thanks in advance.... new york nick
 

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2016 GLE350 - Traded C300
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my tire pressure monitoring system is falsely alarming...tire psi are all within range 33-38 however system still insistes something is amiss......how do i reset this alarm.....2009 c300 sport...thanks in advance.... new york nick
I use to get that too. This is how I reset mine. Pump tires to spec, reset it, drive for like five minutes or so reset it again. I think this let the TPM system record the low and high psi. I haven't get any errors message since. Try it.

If that doesn't help. Then it could be the TPM sensor is bad or low battery.


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You reset it by using your dash cluster (speedo screen). Use the arrows on your steering wheel and press left or right until you see something for tire pressure. Press ok to recalibrate to current psi.
 
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