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Old 09-19-2016, 08:41 AM   #1
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Mobil 1 Oil

Napa is running a sale on Mobil 1. $5.79 quart, if like me you change your own oil. You can usually order through your local store and pick up the next day just make sure you order Mobil 1 ESP X1. I have enough for my next oil change so will wait for the next sale.
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Old 09-19-2016, 06:23 PM   #2
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Thanks for us know about the sale. I will get some tomorrow
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Old 09-20-2016, 02:50 AM   #3
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Great price, too.
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Old 09-21-2016, 12:28 AM   #4
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I just can't bear myelf to use a 5w30 oil in a diesel engine that is worked pretty hard.

I was using Mobil 1 5w40 ESP until it was discontinued in my 3.0 MB TD engine. I'm now using Kendal 5w40 which has low sulfated ash and is working great in my engine. I'm at 7500 mile oil change intervals.
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Old 10-11-2016, 05:29 PM   #5
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I just got an oil change from a local Mercedes Dealer...

I paid $5/quart ($65 for oil) ! $139 for the entire oil change. That is much less expensive than I was expecting.
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Old 10-11-2016, 06:41 PM   #6
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Quote:
I just can't bear myelf to use a 5w30 oil in a diesel engine that is worked pretty hard.

I was using Mobil 1 5w40 ESP until it was discontinued in my 3.0 MB TD engine. I'm now using Kendal 5w40 which has low sulfated ash and is working great in my engine. I'm at 7500 mile oil change intervals.
I've thought 5w40 is thicker than 5w30? Aren't you supposed to use 0w30 ESP. Please it's only question. I have no knowledge of these oil just want to learn.
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Old 10-11-2016, 09:51 PM   #7
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I've thought 5w40 is thicker than 5w30? Aren't you supposed to use 0w30 ESP. Please it's only question. I have no knowledge of these oil just want to learn.
When the 3.0L MB turbo diesel engine came out a while ago, it was spec'd for 5w40 oil and nothing has really changed except CAFE (corporate average fleet economy) goals imposed by the USA gov't to improve fuel economy. The spec then went down to 5w30 and I guess from what you have said, it is down to a 0w30. A 0w30 oil is a bit thinner than a 5w30 at operating temperature but still within the 30 allowable viscosity range for a 30 weight.

I feel that going to lighter oils in engines that are worked hard, i.e. carrying a heavy load is going to result in increased engine wear. I rather sacrifice the .4 mpg and prolong my engine's lifespan.

Case in point: Ford used to spec 5w30 and 10w30 oil in their V10 and not too long ago that was reduced to 5w20 although the design has remained the same. The only plausible explanation was FUEL ECONOMY standards imposed by the Gov't.

If you look at owners manuals for USA vehicles in foreign countries, you'll be amazed that the same vehicle which specs 5w20 oil in the USA specs 5w40, 10w40, or 15w40 in other parts of the world.

I for one, one drink the EPA Koolaid and use an oil with slightly better viscosity than water.

All of my vehicles at home are running 5w40 weights in the summer and my gas engines are switched to 0w40 in the winter. My diesels all stay with 5w40 year round. I tried 15w40 in the warm months but did not see any benefit with engine wear via oil analysis with this oil for my driving conditions.

You can get an low SAP/low ash 5w40 oil for your 3.0 turbo diesel Mercedes Benz engine from Kendall-Kendall 5w40 specifically. It meets 229.51 MB spec which is an e.s.p (emission system protection) engine oil.

The new spec MB 229.52 actually requires oil manufacturers to show a fuel economy benefit over the 229.51 spec'd oil previously used in the same engine. This is, of course, is met by thinning the oil down.

No thanks, I rather get 500k miles out of my engine. Only 400k more to go.

There is a reason why semi-trucks which carry heavy loads use 15w40 oil. However, there is a push to improve their fuel economy with use of 10w30 oils which show a 1% improvement in fuel economy over 15w40. Truckers aren't confident that the thinner 10w30 will give the same engine longevity as the heavier oils.
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Old 10-11-2016, 10:50 PM   #8
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Quote:
All of my vehicles at home are running 5w40 weights in the summer and my gas engines are switched to 0w40 in the winter. My diesels all stay with 5w40 year round. I tried 15w40 in the warm months but did not see any benefit with engine wear via oil analysis with this oil for my driving conditions.
Tony, my thirst is your about quote. You got these from hands on practice. I will drink your koolaid and I wouldn't say much about EPA (I think you know what I meant).
Thanks again my friend for your insight.
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Old 10-12-2016, 12:34 PM   #9
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Interesting thread. I agree with TonyD, but while my engine is still under warranty, I feel compelled to use the oil weight MB states to use.
Politics, federal mandates and legal concerns come into play in many areas of our lives.
As another example, in the US, a new Jeep Wrangler Unlimited has a rated towing capacity of 3500 lbs. The exact same Jeep sold in Australia has a 4400 lb rated towing capacity. Why? It has to be either government regulations or Chrysler's attorneys sizing up the risk of lawsuits in each country.
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Old 10-12-2016, 01:26 PM   #10
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Could it be due to the J2807 SAE requirements (not legal requirements) for the USA and not in Australia? Not sure, just curious.

As for oil, I use 0W-20 and have for a few years in my '15 Silverado and in my '16 GMC; both gas engines.

I get my Mobil 1 from Wally world. Five quarts Extended performance for $28.68 per container.
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