Quote:
Originally Posted by dorje
The dealer used Castrol 0-40 synthetic but I need to top it up. I always used Delo which is specific for diesels in my pickups. I haven't checked the Castrol but seems oil for diesels have a different rating from oils for gas engines. What's the recommended oil for this car?
Mileage: on a 500 mile trip last week down to the wild flower bloom in S Ca I got a little over 35/mpg. 3/4quarters of it open hyw at 80mph. I was hoping for closer to 40 which is what the computer registers. Maybe if I slowed down the mpgs would go up? Or is this what I should expect?
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The OM648 oil spec ranges from 228.3 to 229.52 (SAE 0W-30, 5W-30, 0W-40 or 5W-40 recommended). You should be able to easily source MB/diesel (229.5) rated Mobil, Pennzoil or Castrol 0-40 synthetic oil. I've yet to need to top off mine between yearly (7kmi) services.
I've found the trip computer is around 6% optimistic on my car. Yes, you'll need to slow down if you want better mileage. Still, 35mpg (allowing a 700 mile cruising range) is not bad! The revised EPA rating is 23/33.
04-26-2017, 03:34 AM
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