Pardon the newby question. I bought a cheap 1994 E320 wagon, I think she is ready to enter the daily driver rotation, but I'd like to change all the fluids first.


Can I put Mobil 1 0w-40 in this engine?

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Respectfully,
/s/
M. Dillon
'87 124.193 (300TD) "White Whale", ~392k miles, 3.5l IP fitted
'95 124.131 (E300) "Sapphire", 380k miles
'73 Balboa 20 "Sanctification"
Charleston SC

Oh yeah, she has about 190k miles.

__________________
Respectfully,
/s/
M. Dillon
'87 124.193 (300TD) "White Whale", ~392k miles, 3.5l IP fitted
'95 124.131 (E300) "Sapphire", 380k miles
'73 Balboa 20 "Sanctification"
Charleston SC

I'd keep it Dino fluid. IIRC the car left the factory with 5/40 delo in it. The pure synthetic isn't going to do much with an old motor.


Sent from my XT1710-02 using Tapatalk

No to the 0W-40 in my opinion. In FL I'd use a 15W-40 C rated diesel dino oil.

Good luck!!!

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"Rudeness is a weak man's imitation of strength" - Eric Hoffer

I use 0-40 m1 and it seems to run ok

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1993 e300
1995 e320
1994 e320
2006 s500 4matic
2004 Jeep wj overland
2001 Ducati 748
2004 Honda shadow aero

https://www.bobistheoilguy.com/motor-oil-101/

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#dontdealwithkahlil

Max, recommend Mobil 1 15W50 in that vintage engine. That's what I have used in our 1995 E320 for the past 20 years. Oil changes every 7,500 miles.

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Fred Hoelzle

I agree with Ferdman if you wish to use synthetic that is a good choice. The dino @15W-40 probably has more ZDDP for a flat sliding camshaft surface but it's not a synthetic.

__________________
"Rudeness is a weak man's imitation of strength" - Eric Hoffer

If I remember right the m1 o-40 was the only one that had Mercedes approved specs on the label

__________________
1993 e300
1995 e320
1994 e320
2006 s500 4matic
2004 Jeep wj overland
2001 Ducati 748
2004 Honda shadow aero