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15w50 too much?

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Old Oct 17, 2008 | 09:44 PM
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2019 E450 Sedan 4Matic
15w50 too much?

Ok so I just picked up ~5 qts of Mobil 1 Full Synthetic 15w50 motor oil for $10. Is this too thick to use in these cars?
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Old Oct 17, 2008 | 10:13 PM
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Originally Posted by rinosaur
Ok so I just picked up ~5 qts of Mobil 1 Full Synthetic 15w50 motor oil for $10. Is this too thick to use in these cars?
I would only use that in a worn engine where you have nothing to loose. Should reduce oil consumption - frankly it's unlikely to do any harm as long as you have no near freezing starts - I don't know why you want to ignore Benz recommendations however.
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Old Oct 17, 2008 | 10:37 PM
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just asking since i got these for $2/quart.
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Old Oct 18, 2008 | 06:36 AM
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Originally Posted by rinosaur
just asking since i got these for $2/quart.
Understood. That's a real good price! In Houston heat I would just use it and not go the full 13,000 miles. Remember at cold temperatures it will behave like a 15W & at operating temperature like a 50.

Last edited by Glyn M Ruck; Oct 18, 2008 at 06:38 AM.
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Old Oct 18, 2008 | 03:03 PM
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ah kk, I dont really plan on leaving the oil there for 13k miles anyway. i still need 3 qts, would mixing 0-40 be better or just keep the 15-50 constant?
thanks
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Old Oct 18, 2008 | 03:50 PM
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From: Llandudno, Cape Town, South Africa
late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Originally Posted by rinosaur
ah kk, I dont really plan on leaving the oil there for 13k miles anyway. i still need 3 qts, would mixing 0-40 be better or just keep the 15-50 constant?
thanks
You can happily mix them.
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