oil in my coolant! 1986 mercedes 300 sdl - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 05-23-2012, 02:01 PM Thread Starter
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Date registered: May 2012
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Exclamation oil in my coolant! 1986 mercedes 300 sdl

I have a mercedes 1986 300sdl turbo diesel
I have noticed oil in my coolant it is a brown greasy sludge and oil is floating on the coolant, the coolant is also a brown color, there is no coolant in my oil, i am not loosing coolant either i have had this car for 2 years and have only needed to add about a cup of coolant over 2 years, my car has about 150,000 miles on it,(the odometer stopped working) i started seeing oil a month or so ago. but the coolant has had a slight brown tint to it since i bought it. I think it might be a blown head gasket, but i was wondering if it could maybe be something else? any help would be nice I am planning on flushing it and seeing if the oil comes back.
other than that it runs good, don't use oil, they only other thing is the injector pump leaks diesel, and i have to pull the fuel shut off lever to shut the engine off.
thanks for reading.!
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post #2 of 2 (permalink) Old 05-23-2012, 07:48 PM
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Date registered: Oct 2009
Vehicle: W202 C200 yr 2000
Location: Johor Bahru,Malaysia
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a brown greasy sludge and oil is floating on the coolant

indicates the Engine Oil had MIXED-UP with the cooling system

please check your Engine Oil Condition ...
probably the LEAKS was from ...
the Cylinder Head Gasket ...
Engine Front Cover Sealing Ring ... etc ...


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