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1992 300E Oil Viscosity/Consumption
Hello! I'm new to the forum, and I just acquired my first Mercedes; a 1992 300E with 93,000 miles on the clock. My questions are: What is the recommended oil viscosity for this engine? The previous owner has been using Mobil 1 synthetic 10w-30 weight. I have noted some oil consumption, perhaps a quart every 1,000 miles. The cylinder head was reworked with new valve stem seals at mileage 79,000. Also, on cold start-up there is some chain or valve train (?) rattle for a few seconds; should this be addressed? It does not occur on every cold start.
Otherwise, the car runs and drives very well. Thanks for any advice. Nick |
Did you get the owner's packet with the car?
Duke |
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Nick
My car is a 300TE from 1992. At 85'000 miles the head gasket and valve were done. However it always consumed about 1 quart in 3000 miles, running 0w-40 Mobil1. When doing oil changes I added the 6 liters as stated in the owner's manual. Recently I switched to 15w-50 Mobil EP. Also I only added 6 quarts (instead of 6 liters) at the oil change. The dipstick indicates 2/3 between min and max. Oil consumption has stopped. I do not know which of the two changes caused the stop - my guess would be only adding 6 quarts did it. Regards, Bruno |
I used 10-30 Mobil 1 since I rebuilt the head and new valve seal on my 91 300E. The car was using about 1 qt very 500 miles before the valve seal.
Jack |
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Thanks, Anthony; I found it. :D |
Mobil 1 synthetic 10w-30 weight is an excellent choice.
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Mobil 1 Synthetic 15 W 50 change interval 7.5K for the whole life of the car with oil consumption 0 (zero).
Valve stems and head gasket done at 140K. Now I have 185k. Engine running perfect. |
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