Every once in awhile I get the low brake fluid warning message on my cluster of the E300D. Brake fluid is not low. Has anyone else had this issue? What is the likely fix?

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Len
'59 220S Cabriolet-SOLD and living happily in Malta
'83 240D 351,500 miles original owner-SOLD
'88 560SL 41,000 miles - totaled and parted out
https://sites.google.com/site/mercedesstuff/home
'99 E300 turbo 227,500 miles
'03 SLK320 40,000 miles - gave to my daughter
'14 Smart electric coupe 28,500 miles
'14 Smart electric cabriolet 28,500 miles
'15 Smart electric coupe 28,000 miles

I do not know what is the problem but if I were you I would do this test. I think the circuit is similar to my 190D. There is a connector on top of the brake fluid reservoir. Remove the connector and the warning light should NEVER come on. If it still comes on then there is something else wrong in the circuit. If it does not then may be the float switch inside the reservoir is faulty,it is giving a false reading now and then, i.e. the contact is made.

The light may also be tied to low brake pads. Check your front pads also.

Good luck.

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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

1 X 2006 CDI
1 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.