I had the dealer do my oil and filter since it was in for shocks, and it was time. This is the first shop-performed oil change done since the car ran out of warranty 40k ago. I thought I would have them put in 0w40 M1 for the winter months. I've been using 15w50 extended life.

My rep said they no longer use that, and went to an MB-branded 5w40. I assume it's M1......anybody know? Doc? I know you do!

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former: 83 300D, 97 C230, 93 400E

current: 08 C300 Luxury , 92 500SL

Could be the new Delvac 1, don't know what Mobil is currantly calling it. Can you post a pic of the bottle?

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Delvac1 is the best synthetic out there for diesels,lots more expensive that mobil1 synthetic,drain intervals is twice as long.And its only sold in gallons.

Delvac 1 in a 4 gallon case isn't much more than the $5.99 Mobil 1 quarts off the shelf. Somewhere between $100 and $110 the last time I got a case.

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(2) 1988 300 SEL W126

Will, since you live in NC Mobil 1 15W50 should be OK year round. I live in PA and use it year round in all our cars.

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Fred Hoelzle

If you don't mind my asking, which dealership in NC did you go to? I live in Kinston (between Raleigh and Wilmington), and I think that most of the dealers in the eastern half of the state use M1, except on older models where they use either Delvac 1300 or Rotella T (Non Synthetic). Not sure of the weight, though.
Merry Christmas,
Dave

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Currently Driving:
1986 Mercedes Benz 560SEL
1994 Lincoln Town Car
1994 Cadillac Deville
1985 Lincoln Town Car- Retired

The Official Car of a Realtor- Lincoln Town Car
The Official Car of the Successful Independent Insurance Agent- Mercedes Benz S Class

my friendly neighborhood dealer uses Pennzoil, yellow bottles, 15w40 non-synth for older gas and diesel cars, Pennzoil Platinum synth for newer cars, not sure what weight.

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2002 Ford ZX2
2 x 2013 Honda Civics

I don't have a pic of a bottle, since they did the change and I'm sure it came out of their barrel in the shop.

I know I am probably fine running 15w50 year round, but I moved toward the mountains and we had a week of teens for lows this month, and my new 850CCA battery was struggling to crank the motor. So, I'm thinking I will change back to 15w50 around Mar 1.

The dealer is MB Winston Salem. Purchased the car and Leith and had service done under Starmark at the Raleigh and Cary stores. Raleigh store is good, but their best techs (and foreman) left to help start up the Cary store when they opened - and the 2 times I went there, I realized it was the cream of the Leith crop.

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former: 83 300D, 97 C230, 93 400E

current: 08 C300 Luxury , 92 500SL

dave, it's hard to imagine any MB dealer using 1 quart containers of any brand oil. Dealers buy oil in bulk and add oil with a "gun" ... faster and more economical, not to mention much less trash.

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Fred Hoelzle

never seen delvac 1 in quarts,I have seen the dealer here in albuquerque use mobil 1 in quarts though

M-B is recommending Mobil 1 5W-40 as a replacement for the Mobil 1 0W-40. The reason seems to have something to do with the CDI engines, but M-B issued a bulletin to the dealers that the 5W-40 is compatible with the 0W-40 for all engines and it was not necessary to stock both grades. Interestingly, my dealer sells it at the parts counter for less than Autozone does the 0W-40. I have not seen the 5W-40 anywhere else yet.

Afaik 0w40 has been and still is factory fill, has been for the last 5 years.

I know the new CDI Bluetec cars need a special low something oil so the various emissions parts on the exhuast don't clog. Its some sort of Mobil 1 5w40, maybe the new Delvac 1??? Maybe some dealers are just going to use that in every car now.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

I was under the impression that MB ADDED 5W-40 synthetic to their approved motor oils. I don't think they supplanted their 0W-40 specification.

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95 E320 Cabriolet, 159K

does any body know what kind of oil i should use for my 190E 2.3 with 242K miles on it?
thanks

I located the bulletin. It was issued to dealer Parts Managers from the Department Manager, Service & Parts Sales on June 5, 2006. The following are the highlights:

"Mobil 1 ESP Formula M 5W-40 is formulated to meet the latest Mercedes-Benz engine oil specification MB 229.51. This new formulation is designed to offer high levels of performance for Mercedes-Benz diesel and gasoline engines as detailed in the Dealer Technical Bulletin P-B-18.00/17d dated April 13, 2006."

"Mobil 1 ESP Formula M 5W-40 replaces Mobil 1 OW-40, and will be provided to dealers based on deployment through ExxonMobil distributor network."

"To prepare for the transition you must draw down Mobil 1 0W-40 bulk tanks to a minimum 20% level in preparation for the new product."

The 190E can use any oil, synthetic and conventional, based on the old approved products chart. I think most folks use a high quality 10W-40 in those cars.