E-Class (W212) 2010 - 2016: E 350, E 550
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2,500 road trip in E350 Bluetec

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Old Jul 20, 2017 | 03:18 PM
  #1  
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2013 E350 Bluetec, 2007 Corvette supercharged, Saab 9-5, Hyundai Genesis Sedan
2,500 road trip in E350 Bluetec

Well just returned from a 2,200 mile road trip in my 13 e350 Bluetec. 1. Never driven a car built for the open road like this one. Nothing but quiet and solid. 2. Pulls like a freight train in the 65-85 mph range. 3. Measured MPG of 39mpg. 4. Two legs of 950 miles each were almost easy to do. Minimal fatigue. Adaptive/cooled driver seat was top notch in the July heat.

Now its time for the next round of maintenance - oil change and all the misc filters. May actually get to the brake fluid change this time as well.
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Old Jul 20, 2017 | 03:37 PM
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The best or nothing
Sounds great. Congratulations and many more happy miles.
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Old Jul 20, 2017 | 03:58 PM
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2010 E550 P2 w/AMG Sport Package + Pano, 2015 Nissan Pathfinder
Originally Posted by chipmjohnson
Well just returned from a 2,200 mile road trip in my 13 e350 Bluetec. 1. Never driven a car built for the open road like this one. Nothing but quiet and solid. 2. Pulls like a freight train in the 65-85 mph range. 3. Measured MPG of 39mpg. 4. Two legs of 950 miles each were almost easy to do. Minimal fatigue. Adaptive/cooled driver seat was top notch in the July heat.

Now its time for the next round of maintenance - oil change and all the misc filters. May actually get to the brake fluid change this time as well.
WOW 39 mpg sounds amazing. Congrats. I've yet to do more then a few hundred miles on a 1 way trip. So it's always great to hear what others do when they travel really far.

My tops was about 28 mpg or so
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Old Jul 20, 2017 | 05:33 PM
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'11 E350BTC P2 Leather
Originally Posted by chipmjohnson
3. Measured MPG of 39mpg. \
I have done several 700 mile days in my 2011 E-350 Bluetec. That car is built to be put on the highway, set the cruise control, and just burn the miles, especially mine with Luxury and not Sport.

One question: Measured MPG by what method? 39mpg is achievable but rare. Most road trips for me (at 72mph) return a calculated 35-37mpg.

The guess-o-meter on the dashboard usually reads about 3-4mpg high.
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Old Jul 20, 2017 | 09:04 PM
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2013 E350 Bluetec, 2007 Corvette supercharged, Saab 9-5, Hyundai Genesis Sedan
Dash gauge read 41.6-43.5 or so. Reset when I added fuel. I do have a racechip that i added about 2 yrs ago which increased the MPG by a few mpg.

A chunk of the driving was relatively flat run up i-95

I have the sport suspension and recently added 19"'s but I have a lot of seat time in HP sports cars - corvettes lotus Porsche etc so I am use to firm rides and most of the roads in the south east are excellent when compared to the Northeast areas.
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Old Jul 21, 2017 | 09:08 PM
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W212 M276 DELA 30 ; W211 M113k, W126 M117, W126 OM617, W211 OM642 ; R107 M117 X2, Sierra 1500 LZ0
Originally Posted by mikemargolis
I have done several 700 mile days in my 2011 E-350 Bluetec. That car is built to be put on the highway, set the cruise control, and just burn the miles, especially mine with Luxury and not Sport.

One question: Measured MPG by what method? 39mpg is achievable but rare. Most road trips for me (at 72mph) return a calculated 35-37mpg.

The guess-o-meter on the dashboard usually reads about 3-4mpg high.
2012+ have a revised 7Gtronic transmission. Perhaps the ratios were changed a bit to allow for higher mpg at highway speeds. I have an 07 OM642 powered W211 E320 Bluetec and people tend to report much better mileage in 2012/2013 W212 Bluetecs than I've ever achieved. My best per-tank average is usually around 30, but I have a serious lead foot and a tuning box turned up as high as it'll go.
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Old Jul 22, 2017 | 12:31 AM
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'12 E350 BlueTEC Sport
Originally Posted by DubVBenz
2012+ have a revised 7Gtronic transmission.
The transmission revision was done on the E250 Bluetec. The 2012/13 E350 Bluetec still used the older transmission.

The improved MPG is mostly do to lower drag and accessory load.
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Old Jul 22, 2017 | 01:43 PM
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2013 E350 Bluetec, 2007 Corvette supercharged, Saab 9-5, Hyundai Genesis Sedan
I had also noticed an improvement when switching over to the 229.52 0w30.

Not sure how impactful reducing un-sprung weight is on MPG but recently converted to 19" Enkei Racing rims which weigh 18lb ea, which is half of the oem rims I took off.

A portion of each leg also had a stretch of 150-180 miles or so of non-interstate roads - 60-65 mph with minimal stop/go.
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Old Jul 23, 2017 | 12:08 PM
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Edward993's Avatar
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2014 E350
Not a Bluetec, but our 2014 E350 just took us on family trip just short of 3000 miles, five in the car with luggage, and regular cruising speed was, oh lets just say, quite "spirited." Dash computer said around 29mpg.


A gas car this big, this potent, and this comfortable getting that kind of mileage is, to me, simply impressive!


Edward
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Old Jul 24, 2017 | 04:22 AM
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2010 E550
Took my E550 recently on a much shorter trip, 240 miles, had my system blasting, my exhaust roaring, made me realize how much I love the car. Also managed to average 25 mpg out of the big NA V8, not bad.
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Old Jul 26, 2017 | 02:53 PM
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Originally Posted by ktr
The transmission revision was done on the E250 Bluetec. The 2012/13 E350 Bluetec still used the older transmission.

The improved MPG is mostly do to lower drag and accessory load.
Wrong. All W212s received the 7Gtronic + Transmission in 2012.
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Old Jul 26, 2017 | 11:08 PM
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E250 Diesel
I have a 14 250e which I took on a long trip myself. It's about the same mileage around 41 mpg. I know we can better mpg but I just let it rip when the road was clear a number of times.
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Old Jul 27, 2017 | 07:31 AM
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2013 E350 Bluetec, 2007 Corvette supercharged, Saab 9-5, Hyundai Genesis Sedan
One additional thing I did a while ago was to add Powerverice Diesel Kleen+Cetane Boost every time I add fuel. Its fairly well documented that increasing the Cetane in Diesel will increase the MPG and that has been my experience as well as keeping the injectors clean.

I was able to get a great deal on a 2.5 gallon jug of the concentrate so I just keep a quart bottle in the trunk and add as needed,
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Old Jul 27, 2017 | 04:20 PM
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w212 E350 Bluetec & Mk7 GTI Sport
Originally Posted by DubVBenz
Wrong. All W212s received the 7Gtronic + Transmission in 2012.
Negative sir you are incorrect.
The E250 is the 7gtronic +, the bluetec 350s from w212 have the old fluid and transmission/computer.



On another note, those tuning chips can often confuse the MPG computer and show incorrect readings. it is often not actually better mpg. use fuelly and real math, and always factor in city/hwy


On a 36 hour turnaround drive to arizona for a business trip, i got 33mpg including traffic leaving the area, driving between 85-115 the whole way and in general climbing 1500 (on the way up that is)


Definitely built for this sort of thing. Except it rides way better off run flats, then you haveto add a spare tire to the trunk and add weight; or you could be SOL on a long road trip...
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