Help me out here guys. I'm about to change the differential fluid in my E300D. Last time I did it I used Valvoline DuraBlend Synthetic 80w90 GL5. That was 18 years ago and everything has gone well. I can't find that oil anymore. The manual calls for hypoid gear oil SAE 90 or 85w90. So what is your go to oil these days?

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Len
'59 220S Cabriolet-SOLD and living happily in Malta
'83 240D 351,500 miles original owner-SOLD
'88 560SL 41,000 miles - totaled and parted out
https://sites.google.com/site/mercedesstuff/home
'99 E300 turbo 227,500 miles
'03 SLK320 40,000 miles - gave to my daughter
'14 Smart electric coupe 28,500 miles
'14 Smart electric cabriolet 28,500 miles
'15 Smart electric coupe 28,000 miles