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Which one? #4677635
02/25/18 12:25 PM
02/25/18 12:25 PM
Joined: Sep 2008
Posts: 109
RogerBacon Offline OP
RogerBacon  Offline OP
Joined: Sep 2008
Posts: 109
Which one? Mobile ESP 5w30 has a sulphated ash of .6. 0w40 has .8. Do I sacrifice the better ash for a thicker oil in the summer? I do not understand most of the other specs, so any help would be appreciated. Roger

2010 Mercedes R350 Bluetec diesel requiring 229.51

Re: Which one? [Re: RogerBacon] #4677701
02/25/18 01:44 PM
02/25/18 01:44 PM
Joined: Dec 2016
Posts: 7,199
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,199
Waco, TX
I don't think either of them have a ridiculously high sulphated ash content.

I think either one would be fine.

"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Which one? [Re: RogerBacon] #4677873
02/25/18 04:41 PM
02/25/18 04:41 PM
Joined: Jan 2006
Posts: 439
drtyler Offline
drtyler  Offline
Joined: Jan 2006
Posts: 439
Honestly, I would use whichever costs the least. Both are excellent oils for your car and rated for 229.51.

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