Oil Question
Also I see many people in the forums burn some oil(mostly AMG's). Is this normal in an E500?
Thanks in advance
-Nick
Last edited by KidBenz; Apr 6, 2009 at 10:35 PM.
5w-40 won't 'hurt' it but just not the best weight of oil ... given that it's almost summer even less of an issue but still .. if you can find the 0W .. use that.
I take it that's the Mobile 1 full synthetic .. right?
There's a difference.
Oil MUST meet Mercedes spec 229.5 and there are other brands and versions of Mobil 1 that do as well. Just not the oil you purchased.
The filling quantity between the upper and lower mark on the oil dipstick is approximately 2.1 US qt. (2.0 liter).

I really dont think its an oil leak. It is fully synthetic. I assume any fully synthetic oil would go for about 10k miles or until my service right? I'll probably go to autozone today and see if they have it.
About the dipstick. I dont think I have one because I have an 05 which measures oil levels through the computer.
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I wouldn't change oil more than once a year because it is Mobil 1 synthetic, alot of it, and a very good, special oil filter... and thats what both the oil and car manufacturer agree is sufficient. IMHO its a waste of money or a false sense of "doing the best for your car".
Last edited by Barry45RPM; Apr 7, 2009 at 04:42 PM.
Something sounds wrong with yours.
So I think I really only burned about .5 to 1 quart in reality in 2k miles, which seems normal in some of the mercs on this forum.
I actually had a hard time confirming what type of oil to use -- didn't see it readily in the manual, etc. but I'm sure it's there. Anyone know exactly where though?
Finally decided on 0W40 so I'm glad I chose correctly.
Now I just need to call the dealer to figure out where this oil is going-- hate to see this in a new car.
Last edited by Old Navy; May 18, 2009 at 08:00 PM.
On a side note, I just brought the car into him after about 5K miles from buying it CPO from the dealer just to have it checked out and do an oil change. I was surprised to hear (and see) how dirty the oil was.....which tells me that its possible the dealer didn't service the car like they said they did before I bought it. Regardless, I'm glad I did the service with someone I trust.
You need to use a good diesel oil and even with the 0w-40 Mobil 1 the last 3 diesels I have had oil sample tested they all came back good to go another 5,000 to 10,000 mile check period. Our VW TDI's could have easy made 20,000 mile oil change without any engine damage, my CDI came back with a change filter, top off and check again in 10,000 miles when I had it tested.
But since for warranty I have to change oil and filter at 12,500 max I do that and the car is fine and I only have to change the oil once a year anyway.
I will admit I was jabbing a nubie, but I am quite serious, you are being sold a bill of goods on the oil change period in your car. Have you checked t see what your oil looks like now? This has always scared newbie to modern diesels, did me way back in the day on my 83 240D, but I soon found out after oil sample testing.
Go check you oil this afternoon when you get home and then come back and tell me how it looks. Also when you get to 8000 miles suck out and oil sample and have it tested. Let me know if you need oil lab info there are several I can send you. You can pull a sample by sticking a plastic tube down the dipstick tube and then pinch it off and pull it out. Be ready with a rag and gave some gloves on as the sooted diesel oil is nasty and hard to get off when using proper synthetic oil.
What oil was installed by the way?
Last edited by Old Navy; May 20, 2009 at 11:15 AM.









