np888

Drove up 400 in Georgia today, which for those who don't know, is pretty much all up and down hills. I was driving carefully and managed to do 36.2 mpg over 21 miles!! This would have probably been better had it not been for a long toll both line

Just goes to show it's not the car, but the way you drive.

wally AMG

Good milage ...

np888

If you look, you'll see that it's over 21 miles at an average speed of 67mph. That is not the gauge that tells you current fuel consumption.

Rocketman

I routinely get 30-32 on highway trips at 70-75 mph! And the car only has about 1800 miles on it - I expect that to improve when the car is fully broken in. I am more then satisfied with these results. The dealer said people are opting for the 350 because it gets better millage.

Dueclaws

That's great.

We didn't buy ours for mileage, but its a nice
Bonus

ronsc1985

Apparently the cars are pretty well broken in when they are delivered. I got the same mileage as you with about 1000 miles on the car during a 500 mile mostly interstate trip. Since then the mileage hasn't improved any but has stayed pretty much constant on the highway. The city mileage is obviously lower but it's kind of dependent on how many traffic jams you get in.

I would think with modern assembly tolerances and things such as piston and gear surface coatings, break in may be a thing of the past with respect to fuel economy.

PGT

I got 27mpg on a 300 mi trip this weekend on my N/A V8. That's pretty damned good. :-D

jlatigo

on the 2012 i belive the owners manuel says break in period is 1000 miles?

mrivc211

I avg 18.2 MPG. 80% of my driving is the city. I definitely am not pleased with the gas mileage. I have an 2011 E550 coupe

nawlinstornado

That's about what I got in my 2011, and I'm probably 80% city driving, as well. Funny, though, but when I really paid attention to my Suzuki Forenza (think crappy version of a civic) it didn't get any better in the city. And it didn't have 380+ HP. My 2012 gives me 2 MPG more than the Suzuki in city driving. 18.2 is really good for a V8 in mostly-city driving.

On the open road, I'm a little lead-footed and the 2011 was getting 26-27 on the interstate/highways while I'm now getting 29-31. All better than I expected when I bought the either car.

np888

bro that's really good. I used to have a 328i that barely got 18 mpg in the city....to get that with a NA V8 is pretty good.

USCGTO

I have seen 23 mpg on my 13/18 rated GL450 averaging 58mph.

I have seen 24.5 on my 13/19 rated 6.0 GTO averaging 57-59 mph

So I can imagine how carefully OP was driving when he managed the 36.2 figure more so at 67 mph. Also maybe there was a slight elevation change as well which led to a magnificent numbers. To further verify the numbers, you gotta drive back in the opposite direction as well.

cudos for the effort though,

np888

Did the reverse today on the way home, 31.4mpg, still not bad

tim_ver

np888: How many miles did you have on the car when you did this?