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The question of whats the "best" synthetic to put in your engine always makes it way into forums. I prefer Amsoil and some people swear by Mobil 1 while others prefer Royal Purple. Penzoil Ultra seems to get a lot of mentions as well. I'm curious what everyone uses and recommends?
 

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The question of whats the "best" synthetic to put in your engine always makes it way into forums. I prefer Amsoil and some people swear by Mobil 1 while others prefer Royal Purple. Penzoil Ultra seems to get a lot of mentions as well. I'm curious what everyone uses and recommends?
I prefer Mobil 1, but mainly because OEM's use it more. I don't think Royal Purple or Amsoil are worse, maybe slightly better but I don't think the cost is justified, IMHO.
 

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Amsoil

I know you guys say that Amsoil is a good product but expensive. Just so you know there is a way to get it a wholesale for cheap. I am a dealer and can help you get those deals. Let me know if you would be interested. Thanks

I prefer Mobil 1, but mainly because OEM's use it more. I don't think Royal Purple or Amsoil are worse, maybe slightly better but I don't think the cost is justified, IMHO.
 

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I know you guys say that Amsoil is a good product but expensive. Just so you know there is a way to get it a wholesale for cheap. I am a dealer and can help you get those deals. Let me know if you would be interested. Thanks
I sent you a PM.....
 

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Does anyone know what Mercedes Service Dept uses for their synthetic oil?

For instance, I know Audi uses Castrol SynTech, but not the made-in-the-USA stuff. They use a Castrol version that is made in Germany.
 

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My choice of synthetic motor oil: whatever is on-sale and/or w/ a rebate-promotion! :D

Which means: Mobil 1, Quaker State Ultimate Durability, Pennzoil Platinum, G-Oil, etc. I don't run extremely high HP applications, so a quality synthetic lube is a-ok for me provided it's changed regularly & paired w/ a premium oil-filter along w/ periodic air-filter servicing.

Does anyone know what Mercedes Service Dept uses for their synthetic oil?
In Europe, the factory fill for the AMG & Brabus models was Aral! It was a surprise to me, but then I researched further to learn that it was an exceptional high-weight synthetic motor oil.
 

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I've always used Mobile1. Porsche also recommends it for my C4S that's good enough for me.

-Eric
 

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Mobil 1. That's what we put in the E350, and what MB recommends. Who am I to argue otherwise.
 

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For instance, I know Audi uses Castrol SynTech, but not the made-in-the-USA stuff. They use a Castrol version that is made in Germany.
Audi (and VW likely too) USDM offerings are VERY particular to the spec of motor oil, and the warranty (along w/ engine well being) are contingent on that Euro spec motor oil as you alluded to. There has been carbon/sludge issues on the DI engines, more common than acceptable (to many)... :eek:
 

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Audi (and VW likely too) USDM offerings are VERY particular to the spec of motor oil, and the warranty (along w/ engine well being) are contingent on that Euro spec motor oil as you alluded to. There has been carbon/sludge issues on the DI engines, more common than acceptable (to many)... :eek:
Yea, I know what you mean. For my Audi, I won't buy the oil unless the back of the container says VW 502, 505 compliance. I'm looking at the back of Mobile 1 0w-40 right now, and it also lists MB-Approval 229.3 & 229.5. Is that the Mercedes oil standard?
 
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