Is the hose coming from your coolant overflow tank? Your coolant may be slightly overfilled and if so there is nothing to worry about.
Missed the part about over heating. You need to flush the radiator or replace it. Your car is old so a new radiator might very well be appropriate.
Mercedes 300sd is over heating
1984 Mercedes-Benz 300-Class 300SD Turbodiesel Sedan
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Maintenance & Repair
It was not that expensive 5 to 10 yrs ago, why now? I just walked away, came back and asked him to put it in writing. "What do they make the brake pads out of now, Gold?" I will also replace the fr...
1981 Mercedes-Benz 300-Class 300SD Turbodiesel Sedan
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Maintenance & Repair
I have a 2001 Mercedes kompresso right, after letting previous owner drive it (he wanted to buy it back) the next day it idled so badly that I got stuck on the road. Could he have done something to...
Mercedes-Benz 300-Class
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Maintenance & Repair
Hello, My 87 300 E is burning oil and can't pass a smog test. Runs rough.
Mercedes-Benz 300-Class
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Maintenance & Repair
Engine stall when too much oil was in the case oil spewed out of oil cap
1981 Mercedes-Benz 300-Class 300CD Diesel Coupe
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Maintenance & Repair
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