Subject is my 95 E320, 123K miles, new water pump 1 1/2 yrs ago, 2 new fans about 45 days ago... after the fans all was in harmony...no overheating of any kind.... then two days ago temp went up rather quickly after only idling for about 5-10 minutes (I don't sit idling too much normally... drove it home 2 minutes.. next day, got on the highway and 15 minutes later zooommm temp redlined...

Radiator container doesn't seem to be missing fluid.

Fans are still working...and when the fans were NOT working, temp stayed normal when I drove the car, with all the wind flowing through... so what else can it be?

I am afraid it might be the water pump again (but just after 25-30K miles doesn't seem right - it was new, not rebuilt) ....

Oh, hoses seemed to be fine (they were changed when the water pump was done)...

edit-- oh shieiT, could it be the head gasket ..?

Thoughts? It's at the mechanic now, so I really just want to have a clue when he diagnoses it this a.m.

Thanks!

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1995 E320 smoke silver / parchment