Hello,
I was wondering what was recommended for a 2016 G23 H6 6.2 Direct Injection (non-supercharged) engine. I believe last time I put Shell Rotella 5W-40 in it. I called a few dealerships and heard anywhere from 5W-30 to 15W-40. Also heard some say it needs to have the Dexos 2 classification, but that’s been discontinued. Would I just use the Dexos 1 Gen3 or Dexos R? All off the service and parts people I’ve called can’t seem to give me an answer. Feel free to give me a specific brand too, I’m not exactly loyal to anything.
Thanks Guys!
I was wondering what was recommended for a 2016 G23 H6 6.2 Direct Injection (non-supercharged) engine. I believe last time I put Shell Rotella 5W-40 in it. I called a few dealerships and heard anywhere from 5W-30 to 15W-40. Also heard some say it needs to have the Dexos 2 classification, but that’s been discontinued. Would I just use the Dexos 1 Gen3 or Dexos R? All off the service and parts people I’ve called can’t seem to give me an answer. Feel free to give me a specific brand too, I’m not exactly loyal to anything.
Thanks Guys!








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