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2000 E320
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Discussion Starter #1
I've read some posts and I see 0W40 and I've seen 5W30. Which is the best weight to go with? Also which brands are best? My local walmart seems to have better deals. Mobile1 is about $45 for 8qts, Valvolvine Synthetic is about $40 for 8 qts, and Penzoil synthetic is about $38 for 8qts. I ordered my filter from autohausaz.com.
 

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'01-E320 & 02-ST2
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If you are going with Mobil1, the only one that meets spec and is commercially available is 0W40.

That will work from a Siberian winter to a Saharan summer.

If you want to consider other viscosities, check the spec sheet linked in the stickies and go shopping. But you'll be lucky to find any of them on the shelf, and if you do all will be more expensive than Mobil1 0W40.

Like you, I have found WalMart to be the cheapest, except when one of the chain auto parts stores has a sale.
 

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1999 E55, 2001 E320, 1990 560 SEC, 2004 ML350, 2001 ML55, 1995 S500, 1998 SL500, 2010 E550 Sport zoo
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Actually, a lot of Walmart's no longer carry 0W40, it's a "more with less" thing.. of note, it's not onl he viscosity, this particular Mobil 1 formula has higher anti-sludge additives.
 

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2000 E320
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I'm new to the forum but bought the same car as the OP, 2000 E320. Both 0w-40 and 5w-30 are acceptable oils for that car and exceed the MB specs. Based on your location in Ca, I would think 5w-30 is fine. Wally -World does not carry 0-40 here and the local auto parts houses get $8/qt for 0-40. I also noted after reading the owners manual for my car that there is no requirement for "synthetic" oil. The use of regular oil or synthetic blend may make sense for you (as it does for me ) as I put less than 4K a year on my car. Why pay the premium for an "extended service" oil when you don't put the miles on the car.
 

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2008 E350 110k, 2000 E320 143k, 1983 380SEC 240k
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Troll

Seriously, all points of view are welcome, but you will find some are more welcome than others.
 

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Current 2017 GLE350, 2007 S550, 2002 S430, 1998 ML320 Deceased 74 240D, 92 400E, 97 E420, 13 GLK350
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MB factory approved engine oils

The 2008 MB factory approved engine oils by manufacturer and viscosities is attached. This list also includes other fluids.
 

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1997 E300D
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508 Posts
It is interesting to note that all the 30 wt oils listed are not approved for AMG engines. Is 30 wt considered to be too thin for heavily loaded engines? Makes me wonder if 30 wt is really the best choice for the standard MB engines.
 

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2001 E320 - Brilliant Silver/Ash: 107,000+
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As mentioned the other approved 229.5 oils are difficult to find. I did speak to a Pennzoil distributor once who said he can get their European Car Formula but was out of stock at the time. I don't remember if that was the same viscosity mentioned in the .pdf just posted. Our 3 Wally's no longer carry the Mobil1 0W40 either but it's readily available at the Autozones, Advanced, etc.

Has anyone had experience with the mentioned Mobil1 SuperSyn? I've never seen that for sale here. And the regular bottles of 0W40 I see are no longer named European Car Formula.
 

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Current 2017 GLE350, 2007 S550, 2002 S430, 1998 ML320 Deceased 74 240D, 92 400E, 97 E420, 13 GLK350
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Alright - I think the API Motor Oil Service Classifications are a PITA, but I try to follow them. No way I could dissemble the specifics, but here is a quote from the www:

"The service rating of motor oils is classified by the American Petroleum Institute (API). The program certifies that an oil meets certain OEM quality and performance standards. The service rating is shown in the API "Service Symbol Donut" on the product label. There may also be an "API Certified for Gasoline Engines" seal on the label.


The latest service category rating for gasoline engines is "SM", introduced in November 2004 for 2005 and newer engines. SM-rated oils along with the previous "SL" (2001) and "SJ" (1997) ratings, are backwards compatible and can be safely used in older engines with exceptions (see update below). But the opposite is not true. Older obsolete service classifications (SH, SG, SF, etc.) may not meet OEM lubrication requirements for newer engines. Likewise, API SL oils should not be used in 2005 and later vehicles, and SJ oils should not be used in 2001 and newer vehicles.":eek:

My read on the bottom line, I try to find at least an API rating of SJ or better for my 1997 E420, and a synthetic 229.5 MB spec (Mobil 1 0w40) or at least SL rating or better for my 2002 S430. I don't pretend to understand the formulation, but (mostly) follow the guidelines. My hope is that following the guidelines and with regular oil changes, to avoid a sludge engine. (Haven't had one yet, and usually go over 150,000 for our cars!)

Since we live in Florida, really don't give a hoot about viscosity. :D
 

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I'm not fanatical about oil, but some folks are and, in the case of a Mercedes, it may make sense to pay greater attention to oil because most people expect a Mercedes to have a longer service life than most makes. The only real way(IMHO) to determine the best oil for a car is to run it for several thousand miles then send a sample to a lab for analysis to see what has happened to the viscosity(shear), how the additives are holding up and how many suspended metal particles(wear) are in the oil. The oil life monitors in most cars are just algorithms that consider milage,heat cycles and time to estimate oil life remaining. I worry that my driving habits(short infrequent trips) produce condesate that does not get evaporated because my oil does not get hot enough.

If you are interested in anything oil related, you may want to visit Bob is the Oil Guy forum. It has more info on oil for specific cars than anywhere I have run across.:rolleyes:
 

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2001 E320 - Brilliant Silver/Ash: 107,000+
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Ditto to cedarshark on the lab analysis. I have done that for all my cars at least once and I had the MB's ATF analyzed @ 58,000 miles. That was what finally convinced me I needed a transmission service.
 

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2000 E320
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Discussion Starter #12
I'm new to the forum but bought the same car as the OP, 2000 E320. Both 0w-40 and 5w-30 are acceptable oils for that car and exceed the MB specs. Based on your location in Ca, I would think 5w-30 is fine. Wally -World does not carry 0-40 here and the local auto parts houses get $8/qt for 0-40. I also noted after reading the owners manual for my car that there is no requirement for "synthetic" oil. The use of regular oil or synthetic blend may make sense for you (as it does for me ) as I put less than 4K a year on my car. Why pay the premium for an "extended service" oil when you don't put the miles on the car.
It seems that all I find locally here in CA, are 5w30, at least that would work for the benz I think. I've seen 0w20 as well. But yes Walmart seems to have the best prices. Mobile1 5w30 for 8qts is $40. But I wanted to get advice before I purchased.
 

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1999 E300 TD
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I'm new to the forum but bought the same car as the OP, 2000 E320. Both 0w-40 and 5w-30 are acceptable oils for that car and exceed the MB specs. Based on your location in Ca, I would think 5w-30 is fine. Wally -World does not carry 0-40 here and the local auto parts houses get $8/qt for 0-40. I also noted after reading the owners manual for my car that there is no requirement for "synthetic" oil. The use of regular oil or synthetic blend may make sense for you (as it does for me ) as I put less than 4K a year on my car. Why pay the premium for an "extended service" oil when you don't put the miles on the car.
What if I answered-----"because I want to"----

I had allot more to say but I took Raymonds advice and looked at the message before I poked send!!

Maybe I will get an ada boy from Raymond!!!
 

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Ditto to cedarshark on the lab analysis. I have done that for all my cars at least once and I had the MB's ATF analyzed @ 58,000 miles. That was what finally convinced me I needed a transmission service.
Musikmann, my 320 is at 63,500 on the tranny fluid and I feel compelled to have it tested as well. Did you do the service yourself ? I believe the owners manual says the transmission has a "lifetime fill". :eek: Any oil will wear out given enough time and shear.
 

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2001 E320 - Brilliant Silver/Ash: 107,000+
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Musikmann, my 320 is at 63,500 on the tranny fluid and I feel compelled to have it tested as well. Did you do the service yourself ? I believe the owners manual says the transmission has a "lifetime fill". :eek: Any oil will wear out given enough time and shear.
cedarshark, maybe some clarification is in order as I mis-spoke earlier. After reading ad nauseum here about how our ATF needs to be changed, I set an appt. with my dealer for the pan drain, new filter/gasket service. I asked for a sample and sent that to Blackstone Labs in Indiana. To paraphase the report: this looks like the original fill and if you haven't changed your ATF yet we advise that you do so. I then called them to explain the type of service. The tech said I should be O.K. until 90,000 miles and advised that I repeat it at that mileage. Forget about the lifetime fill business, we have beaten that horse to death and back to life! ;)
 

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Local Pep Boys has a special of 5 qts of Mobil 1 Synthetic + filter for $32.99.

No filter available for you W210, so get one for your poor buddy with a GM vehicle, which needs an oil change every 3000 miles.
 

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cedarshark, maybe some clarification is in order as I mis-spoke earlier. After reading ad nauseum here about how our ATF needs to be changed, I set an appt. with my dealer for the pan drain, new filter/gasket service. I asked for a sample and sent that to Blackstone Labs in Indiana. To paraphase the report: this looks like the original fill and if you haven't changed your ATF yet we advise that you do so. I then called them to explain the type of service. The tech said I should be O.K. until 90,000 miles and advised that I repeat it at that mileage. Forget about the lifetime fill business, we have beaten that horse to death and back to life! ;)
Blackstone is a good lab and their analysis and results can be trusted. I believe you were smart by going ahead and doing the service before the MB Tech recommended 90K. I hope the DIY procedure is here at BW somewhere....I plan to search soon.
 

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Current 2017 GLE350, 2007 S550, 2002 S430, 1998 ML320 Deceased 74 240D, 92 400E, 97 E420, 13 GLK350
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Good idea on the lab analysis - haven't tried that yet but should do it for each of our cars at the next engine oil change just for comparison.

Was able to find 0W40 Mobil One euro formulation at Wmart, and at a local no name parts store last week. Some good deals for synthetics when combined with oil filters as described above. We have a Lexus - the combo deals is how I get the filters for my wife's car.

I go about 8k each for the '97 E420 and '02 S430. Don't like to go the FSS route for the S because she starts to make lifter noise after 8k.

BTW - transmission oil, filter, and connector change is a DIY job if mechanically inclined. Save $$$$ Good sticky by gamg and loubapache.

Cheers.
 

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Discussion Starter #19 (Edited)
Local Pep Boys has a special of 5 qts of Mobil 1 Synthetic + filter for $32.99.

No filter available for you W210, so get one for your poor buddy with a GM vehicle, which needs an oil change every 3000 miles.
What is the recommended interval for oil changes for synthetic? I had my synthetic oil change at Firestone about 4K ago or around 7/2010. I was thinking about taking the MB on our Thanksgiving holiday trip next week (roughly 1K miles roundtrip).
 

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Get a change after Thanksgiving and you should be good no matter what. A few forum members still go for the 3-4 k changes, but I think that's overkill with an 8L sump. Maintenance interval is closer to 6-8k, depends on owner.

Does your 2000 have FSS?. That will give you an idea, but I don't like waiting 10k miles.

Safe driving!
 
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