M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

What oil should I use

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Old 10-03-2002, 07:58 PM
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ML320
What oil should I use

I own a 98 ML320 and I am not sure what type of oil to use.
I have people tell me that 10W-30 is too thin for a car with 72K
miles, other people tell me 10W-30 is fine. I have always used a full synthetic oil like Mobil 1 or Castrol Syntec but with so many different opinions I am not sure if I should use a thicker oil.
Old 10-03-2002, 08:49 PM
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2010 ML550, 2010 E350 4M, 1966 Corvette Convt C2
MB at this time suggests Mobil 1, 0-40. Thats what I would use. Lots of contreversy re conventional oil and a class action suit re engine sludge. Your engine is warranted to 150000 miles for any sludge related damage as a result of this suit.
Old 10-04-2002, 12:27 AM
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S210 E320 4MATIC
We use Mobil 1 Tri-synthetic 0w40.

My Service Manager still wants to use conventional oil, just about slapped him in the face.
Old 10-10-2002, 11:01 PM
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1993 MERCEDES BENZ 300TE
THE OIL SUGESTED BY MERCEDES IS MOBIL ONE ,15-50
THE CLASS ACTION SUIT IS NOT YET SETTLED,,YOUR WARRENTY IS NOT EXTENDED YET ,,,IT SHOULD BE SETTLED BY DECEMBER 1,2002
Old 10-11-2002, 03:20 PM
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1998 ML320 + 1985 AE86
Trying to buy 0W-40 Mobil 1 might be hard from your local auto parts store. I only find Mobil 1 0W-40 for sell at your dealer only.


Currently I use Motul (frech oil) 0W-40 full-synthetic from Motulusa.com
Those guys even sent me a letter showing Mercedes approval of this oil.
If you order a case (12 bottles) then they might be nice and give you club racer price.

ML320AMG
Old 10-11-2002, 07:02 PM
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W209 - W163
MOBIL 1!!!!!!!!!!!!!!!
Old 10-13-2002, 12:35 AM
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Re: What oil should I use

Originally posted by abatista1
I own a 98 ML320 and I am not sure what type of oil to use.
I have people tell me that 10W-30 is too thin for a car with 72K
miles, other people tell me 10W-30 is fine. I have always used a full synthetic oil like Mobil 1 or Castrol Syntec but with so many different opinions I am not sure if I should use a thicker oil.
After reading through the replies, I get the feeling you're probably more confused than when you started. Just call MBUSA and ask for technical info. They'll tell you exactly what oil to use. Then (and this is very important) go to your servica manager and ask them if they have any problems following the MBUSA recommendation. If they have any reservations, they'll let you know here.

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