Anyone have this problem before? The low coolant light came on twice this week for a few minutes then went out. The first time was when I was taking a very sharp curve, but the second time I was just driving down the highway at 60 or so. The coolant level is right where its supposed to be, so whats up bad float? Bad ground?

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Bad float, bad ground or gasp, wrong coolant mixture

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-justin

1987 300TD, 1987 300TD
2008 R32, 2000 Passat Wagon

Not uncommon to have dirty electrical contacts at the sensor.

Sixto
93 300SD 3.0

With the 602 it's more than nuisance to have the light go on. It's tied into the EDS and will cause the turbo to drop boost

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1999 E300DT (131,800) 154,000 Black on Black SOLD

2006 CLK 500 coupe Capri Blue on Grey (zoom,zoom)
47,000mi

04 VW TDI Passat 80,000mi
(Techno)

How to eliminate oil dependency through market-driven approaches.
“We could cut oil use in half by 2025, and by 2040, oil use could be zero,”
The Sound of Diesel Speed
Ode to MB

Well I think I sanded the contacts on the float when I changed the coolant expansion tank a couple years ago. Its probably just going bad or something, I'll just see how it acts for now, its been tripping the light once in awhile since I got the car. It just seems to have become more frequint as of late.

Electronics on old German cars tend to have various fualts.


I can assure you the coolant mixture is only a year old and 50/50 MB coolant, distilled water.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200