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Engine oil . but which to choose?

 
Old 10-08-2013, 09:02 AM
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Engine oil . but which to choose?

What oil are you using . Mobil 1 certainly . but which one?

Mobil 1 Peak Life 5W-50 .. fully synthetic? (old name: Rally Formula) and which oil to use to break-in a renovated engine? ..
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Old 10-08-2013, 01:46 PM
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Just had a B service done. Dealer used Shell 5W-40 synthetic. Basically any oil that meets M-B spec is acceptable - does not have to be Mobil 1.
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Old 10-08-2013, 02:27 PM
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I use the Shell Rotella 5W-40 synthetic in the blue jug in everything I own.
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Old 10-08-2013, 02:40 PM
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W124 E500 (RIP), W211 E350 (Sold), R230 SL55 (Current)
Mobil 1 0W40.
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Old 10-09-2013, 12:03 PM
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ditto on Mobil 1 OW40. As I recall there is a different spec oil by M-B for the AMG cars.
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Old 10-09-2013, 12:29 PM
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0W40 here too. Although, my SL goes to bed for the long Wisconsin winter and will almost never get started in temps below 50 F. I suspect your SL won't get fired up much in the middle of the Swedish winter either.
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Old 10-09-2013, 03:42 PM
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mobil one 0w40- why experiment or change what the car comes from the factory with?

the recommendation for mobil one 5w40 esp used in gasoline engines burning 10% or more ethanol has been withdrawn
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Old 10-09-2013, 06:23 PM
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SOLD W203..CURRENTLY DRIVING W211
mobil 1 ow-40
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Old 10-09-2013, 06:55 PM
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Originally Posted by cal1 View Post
0W40 here too. Although, my SL goes to bed for the long Wisconsin winter and will almost never get started in temps below 50 F. I suspect your SL won't get fired up much in the middle of the Swedish winter either.
Ha ha ha Curt ........ not going many RPM right now ...... and you know that .... ha ha ha

but for oil and all other fluids ..... found this:

http://www.startekinfo.com/StarTek/o...stedDocId=9511
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Old 10-09-2013, 08:07 PM
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Originally Posted by amok55amg View Post
Ha ha ha Curt ........ not going many RPM right now ...... and you know that .... ha ha ha

but for oil and all other fluids ..... found this:

http://www.startekinfo.com/StarTek/o...stedDocId=9511
The viscosity and temperature chart is very interesting. Thanks for posting. I suppose not going many RPM is the only fool proof way of ensuring these little monsters don't break
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Old 10-11-2013, 02:24 PM
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Mobil 1 or Fuchs 0w40
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Old 10-11-2013, 03:13 PM
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03 R230 SL55 / 94 W124 E500
Liqui Moly 5w40 fully synthetic
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Old 10-11-2013, 08:35 PM
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Mobil 10W40
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Old 10-11-2013, 08:41 PM
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I use Mobil 1 0W40 and from what I've seen on Bob's the oil guy forum it seems to be about the best viscosity Mobile makes for street cars. I'm sticking with it unless my UOA comes back with concerns. It's hot year round in my neck of the tropics so a thicker oil may be preferred. I'll know soon.

Les
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Old 10-11-2013, 09:29 PM
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Originally Posted by Velociabstract View Post
I use Mobil 1 0W40 and from what I've seen on Bob's the oil guy forum it seems to be about the best viscosity Mobile makes for street cars. I'm sticking with it unless my UOA comes back with concerns. It's hot year round in my neck of the tropics so a thicker oil may be preferred. I'll know soon.

Les
Thread steal. My guy. Ha.

There is a very detailed oil thread on c63 forum check it out.
Attached Thumbnails -image.jpg  

Last edited by AMG 17GT; 10-11-2013 at 09:35 PM.
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Old 10-12-2013, 09:47 AM
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LiquiMoly Leichtlauf 5w40
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Old 10-13-2013, 09:07 AM
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Mobil 1 5-40m The dealer puts in , i think this is the factory oil
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Old 10-13-2013, 12:01 PM
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Originally Posted by Fastnine View Post
Mobil 1 5-40m The dealer puts in , i think this is the factory oil
Wrong oil. The recommendation for 5w40m has been withdrawn for gasoline engines running on gasoline with over 10% ethanol content.
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Old 10-13-2013, 12:25 PM
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So what is the dealer sposed to put in? I do live in florida were its death hot most of the year
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Old 10-13-2013, 12:44 PM
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The dealer is supposed to put mobil one 0w40 in your sl65.

Honestly the 5w40 oil is prolly not a problem either, especially in fl, but it is not what the mercedes recommendation is for your car. As a matter of fact the mobil one 5w40 oil is specifically not recommended for your Amg.

Last edited by alx; 10-13-2013 at 12:46 PM.
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Old 10-13-2013, 05:09 PM
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This is a very interesting discussion because of the potential wearing of the cams and flat tappets on the M156 SL63 engine. I don't know if the SL55 engine has a similar cam and lifter setup.

I have been told that the official oil recommendation for AMG engines is now 5w-40 Mobil one Formula M non ESP oil and no longer 0w-40 Mobil one Euro formula. Now the question is how much zdp and phosphorus does the 5w-40 formula M have? Does anyone know? I know the 0w-40 has 1000ppm of both zdp and phosphorus.

I believe the 5w-40 recommendation is because it won't drain out of the lifters as easily or quickly.

Since my car is still under warranty I am going to stick with the Mercedes recommendation. If it wasn't I would look for an oil with higher zdp and phosphorus levels. Something like Brad Penn 5w-40.
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Old 07-29-2018, 03:37 PM
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