PeachParts Mercedes-Benz Forum - View Single Post - W124 coolant light/loss- no pressure in hot hoses, but temps didn't go up

G-Benz · #5 07-13-2005, 11:39 AM

Are we certain that the "coolant" light that came on is the RED one with the thermometer indicator?

I had a heater hose blow once with coolant splaying everywhere, temps over 120C and smoke out of the hood, and that light never came on!

To me, I would guess that the AMBER "coolant level" light is the one that lit up. The symbol appears as a cross-section of an engine with a water wave-like icon.

I ask this since temps seemed to be normal nonetheless...and when the coolant pump goes, there WILL be a pool of coolant all over your garage floor as the engine cools down.

The coolant level sensor does corrode over time and give false readings. A FastLane replacement may be in order. Inexpensive and simple to replace.