Fuel economy for 2018 E300?




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Did a long highway drive last week and got 34 mpg. Amazing! Love this 4-cyl turbo charged engine.
Plenty of pep.








531 miles for the full tank of gas @31.1 MPG
I just did a 420 round trip from New Jersey to Baltimore and achieved 34.5 on the way down and 31.7 for the total trip because of lots of stop and go traffic on the return trip. This was achieved by having the car drive itself 99% of the time with speed limit assist set to 5 MPH max over speed limit. For the full tank I achieved 531 miles @ 30.1 with mostly stop and go traffic between 420-531 miles. I think that was pretty awesome. Most of my general comment on a daily basis is stop and go so averaging mid to high 20s
Last edited by kingscorpian27; Aug 29, 2018 at 09:24 PM. Reason: Adding photos
531 miles for the full tank of gas @31.1 MPG
I just did a 420 round trip from New Jersey to Baltimore and achieved 34.5 on the way down and 31.7 for the total trip because of lots of stop and go traffic on the return trip. This was achieved by having the car drive itself 99% of the time with speed limit assist set to 5 MPH max over speed limit. For the full tank I achieved 531 miles @ 30.1 with mostly stop and go traffic between 420-531 miles. I think that was pretty awesome. Most of my general comment on a daily basis is stop and go so averaging mid to high 20s
For purposes of thread, I have gotten 28.3 mpg over my first 31k miles.




Sorry for any misunderstanding, 5MPH over has to be done manually each time the speed limit charges. The limit warning I have set to 1MPH over




What brand of gasoline do you use? What grade is it - 91 octane or 93 octane? Is it all gasoline or is it E10 or higher?
I use Shell V-Power® NiTRO+ exclusively. It is a Top Tier fuel.
Last edited by ua549; Aug 31, 2018 at 08:12 AM.




What brand of gasoline do you use? What grade is it - 91 octane or 93 octane? Is it all gasoline or is it E10 or higher?
I use Shell V-Power® NiTRO+ exclusively. It is a Top Tier fuel.
I exclusively use Costco Premium gas so whatever that is
https://www.toptiergas.com/licensedbrands/
Now days the additives (which may include odor and color as well as detergent) may help slightly, but the minimum standard is set without them. Fuels are much more uniform than in the past. There will always be disagreement about which brand is best. Buy what you prefer, but feel confident that any "top tier" is accepted by auto makers. AFAIK all the major brands qualify.
<<I'm a former Shell and Chevron dealer>>



