Hi,
Is it great news or what? Question, should I use this type of oil for my ML320 year 2002? I does save the time and sweat to go underneath of the car. Please advise. Thanks

0W-40 for sure

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Kent Christensen
Albuquerque
'07 GL320CDI, '10 CL550. '01 Porsche Boxster
Two BMW motorcycles

what is 0w-40? chk out this linkhttp://www.mobil1.com/USA-English/MotorOil/Oils/Mobil_1_Extended_Performance.aspx

Have a look at THIS:
http://www.mobil1.com/usa-english/motoroil/car_care/which_oil/WhichOilManualResults.aspx?option=2
That is YOUR vehicle, AND M-B approved as well.

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2007 C 230 Sport.

Manny, I just went to the site and inputted the information for my 2001 E320 and it correctly recommended Mobil 1 0W-40. When I inputted the information for my 1991 300TE it recommended Mobil 1 0W-30 for above 0 deg. C. Yikes!! I wouldn't use that in this vehicle on a dare. I wonder why the site wouldn't recommend Mobil 1 15W-50 for my car which would be in line with MB's original viscosity requirements? With all the recent talk about big oil being in collusion with each other, maybe they are conspiring with MB to sell more vehicles by causing old MB's to expire Mark

Mobil 1 Extended performance is not approved by Mercedes, at least not yet. Mobil 1 15-W50 is approved but I think its now been discontinued in the US. Its still available in Canada. Mobil 1 0W40 Is approved by Mercedes, and is the BEST year - round oil to us for your car. It meets Mercedes' highest standards as applicable to your car.

Check out this site for Mercedes recommended oils.

http://www.whnet.com/4x4/oil.html

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'95 E300 Diesel, 264,000 Miles. [Sold it]

Ok We all here about these mericle formulas for ever lasting youth of our automobiles. But how sure is one to comparing this oil with the standard Mobile one oil I put in my 1992 300-E M103 engine?
I certainly would not trust running my oil changes passed 3000 miles doesn't alot of contamination work it self in to the oil between these cycles of hot and cold start ups in morning cool engine and hot or warm engine during the day.

It doesn't take that much time to change the oil and filter on my 300-E. So what kind of gains can I realisticaly expect to see or gain. Can these gains be measured in real life use with a 1992 Benz.

Bob Geco
Always learn one new thing a day.
and you will spend less time guessing .

Bob - The best motor oil for older engines is HD diesel engine oil. It has a better additive package than any modern spark ignition oil regardless of base stock. There is much discussion about this in the archives.

Mercedes' recommended oil change interval for our cars is six months or 7500 miles, whichever occurs first. My recommendation is every 5000 miles or one year for cars that see less than 5000 miles annual mileage accumulation.

Duke

be honest with you I am not worry to get dirty since my car have thishttp://www.fumotovalve.com/
(thanks to one of the member of this forum).and the oild filter is right on top of the engine. I will test with my caR ML320 yrs 2002 then will let you know how it come out by c/o the oil filter at 7000 miles or will contact to Mobil company for more answer.
I don't think Mobil willing to take that risk enough to loose a good/big customer like BMW or MB.
One more thing, if the oil come out so diirty or you want to keep your engine run at the top notch of performance...How about flushing your engine every 60000 or 50000 miles? You will be suprpise to see what come out from your engine even you are c/o oil at 3000 miles.
for gain is you are making this enviroment better ,big money save in your pocket and more quality time with your love one

Our '02 wagon has been fed a diet of M1 0W-40 since new. The service A/B indicator is followed. We typically travel 10-11k miles between services. I have done 1 UOA and the result was excellent; I think I posted it here. I am about to do a 2nd UOA in the next few weeks when the B service is due.

The oil is still fairly clean (darkened, but still translucent) when drained and could have traveled safely another 3- 4k miles per the UOA documentation.

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1998 W210 diesel (wiped out by a texter)
Baum spring compressor "for rent"

Does anyone care to pontificate on the recent change I made from Mobil 1 to regular dino oil... My mechanic, who's an MB specialist, has been keeping an eye on my head gasket leak on my 97 E320 130k miles. When he learned that I was using Mobil 1 10w30 immediately told me to switch to regular oil. He even said to switch to 15w50, but I just went to regular 10w30.

Since I made the change to regular oil I've noticed that my gas mileage has dropped significantly. I'd guess around 50 miles per tank. Can the switch be that drastic? I just changed plugs and all filters so I can't imagine what else it could be...

Any thoughts?

Hard to say....are you putting off repair work on the head gasket?

There are numerous "high mileage" oils available today that are Group III syn and other Group IV/V full syn oils. Some of these oils are suprisingly good.

You may experience a small drop in fuel economy, but I can't believe it's that signficant when using a dino 10W30.

Mobil 1 0W-40 is the recommended oil for your car per MBUSA and per Mobil...contrary to popular anecdotal evidence.