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10 Mercedes e350, 09 Mercedes GL450, 95 BMW 325IC, 89 Mercedes 260E, 84 Euro Mercedes 300D 4spd
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645 Posts
Discussion Starter #1
i just took my 96 s320 5spd auto, on the round trim of 600 km most of the time highway, i was doing about 130 km/h and was very suprised of the

gas mpg i was averaging 32mpg or 7.6 liter per 100km not bad for the big car like that,

what about yours?
 

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1998 Mercedes-Benz S500
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929 Posts
For me (1998 S500) in the city-ALWAYS 350-370ml and then the low fuel light comes on. Two month ago i been in Idaho and when i going home i put the fuel and reset my milege and i was so surprised when i drive a 330ml or so, and used only a half of my fuel.
 

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10 Mercedes e350, 09 Mercedes GL450, 95 BMW 325IC, 89 Mercedes 260E, 84 Euro Mercedes 300D 4spd
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645 Posts
Discussion Starter #3
so what was your mpg?
 

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1999 S600 & 1999 S500
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897 Posts
Cruse control set on 80MPH I have averaged 21MPG on Highway. Have never checked in city! This is better than the avg SUV!
 

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5,344 Posts
1995 SWB S320 5 speed: 20-21 mpg city, 28-29 mpg highway, which I consider a magnificent feat of engineering given the weight and size of the car.
 

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1993 W140 500SEL Black/Black, 12014 Ford Fiesta ST Blk/Blk
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1,128 Posts
18-19 round town, 24.4 highway trip. Very light foot.
 

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99CL600,98CL600 Swiss import,R230 SL666, EURO1985 280 CE & XR600R Desert killer
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915 Posts
well I did test with my CL600 V12 highway I can do 21 MPG city is around 11 and 13 MPG also I did both HWY and CITY on the full tank then I drove 62 miles which is 100km then I stoped on gas station to top it off and I got 3.5 GAL for 62 miles in both city and HWY so 3.5 GAL is about 13.23 liters of GAS per 100km or 62MILES not bad at all. REMINDER 1GAL =3.78Liter
 

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10 Mercedes e350, 09 Mercedes GL450, 95 BMW 325IC, 89 Mercedes 260E, 84 Euro Mercedes 300D 4spd
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645 Posts
Discussion Starter #11
well I did test with my CL600 V12 highway I can do 21 MPG city is around 11 and 13 MPG also I did both HWY and CITY on the full tank then I drove 62 miles which is 100km then I stoped on gas station to top it off and I got 3.5 GAL for 62 miles in both city and HWY so 3.5 GAL is about 13.23 liters of GAS per 100km or 62MILES not bad at all. REMINDER 1GAL =3.78Liter
Very impressive for v12 you did almost 18mpg mix driving
 

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1995 Mercedes-Benz S420 (W140), 1997 BMW 740iL (E38), 2011 C300 Luxury (W204)
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1,314 Posts
S420
I get combined hwy/city about 17-18 MPG. Strictly highway I get roughly 22MPG. The MPG I found out is not very accurate, but oh well. It's a good reference.
City driving I'll get around 16 MPG, makes me cry.

I drive normal, light on the foot, but sometimes hard when passing or running yellows.
 

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1997 E320, 1997 S320
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2,946 Posts
i get anywhere from 15-18mpg city depending on how i drive, and around 24-28mpg highway depending how i drive. driving style affects the most. i get better gas mileage with bp or p66, somehow i get lower with shell. i don't know why, maybe it's just in my area, or maybe shell puts 10% ethanol in all their grades here.
 

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'84 300DT, '97 S320
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682 Posts
Short story:

Our "city" driving consists of a lot of 45-55 mph between cities, mixed with some stop signs and traffic signals. I forgot what the MPG is for that, but it would be higher than most people's, so let's ignore that.

My interstate MPG is just under 24. It would be a little better at slower speeds around 60/65, but the longest trip this year was such that there's almost a 2-hr difference at 800 miles between 65-vs-75 mph, and 2.5 hrs 60-vs-75.

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Longer story:

I did some "really" long interstate driving this year - 2 specific trips. Both were 90% interstate and some 65 and a lot of 75. Except where noted, I used 93 octane.

Once was for ~800 miles, an 11-hour one way drive, and back a few days later (at start of return, filled tank w/ 18 gallons of 91 octane - finally found some).

Another was a 3-hr one-way, then return.

For both, MPG was a little less than 24. Cruise on, but when I'd go up a hill (they were all very gradual) and the MPG gauge would start going less than 20, I'd turn it off and go a little slower to keep the gauge at around 25, & no less than 20 (there were a few exceptions). At level cruise that gauge was mostly around the 30-25 mark.

It should be noted the MPG gauge is not a truly showing MPG, as some newer cars do, but infers MPG. As you're slowing for a stop, the gauge will correctly show increasing MPG. When you've stopped, it continues all the way left, above 30+. Well, at a stop you're really getting ZERO MPG, but indeed very little fuel is flowing. When you press the pedal 1/2-way or more down, the gauge is showing that a lot of fuel is flowing, as indicated by pointing to 10 or less.

So, this is a fuel-flow gauge that kind of correlates to an MPG gauge.

Overall, though, except at idle, I'd say the MPG values are close enough.
 

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A Few
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1,418 Posts
16.5-17mpg combined. I try my best to not have a heavy foot but I still get crap mileage :cool:

On the other hand, our ML430 and 420SEL gets 15mpg and 10mpg(!) with smaller engines so my fuel consumption aint too shabby :D
 

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1998 S420
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294 Posts
not tested it on city driving but on long trips (snowboarding!) I always get 23.9mpg, or just under 24mpg...

I did notice that when I changed to the winter tyres, my mpg dropped by 2 so now I am doing only 21.9 or so
 
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