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PointedThree :  Sedan Forums : W211 E Class : 33.7 MPG in E350

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33.7 MPG in E350
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Posted 6/1/2006 6:30 PM
Marsden
Classic MB




Date registered: Apr 2006
Location: Capital City USA
Vehicle(s): Mercedes-Benz
5000
33.7 MPG in E350

Just completed a three-hour highway trip and managed a new record in the E.

33.0 MPG with an average speed of 70mph and 33.7 (my highest ever) with an average speed of 67mph.

I'm stoked! Was chiefly on I-81--very hilly country-- with a ton of tractor-trailers and tandems to navigate around, and my average would be better still if I hadn't stopped for gas (ironically enough..) ... The neat thing is that the average kept creeping upward throughout the entire trip. So one can assume the car is capable of 34 or 35 MPG which means I really didn't need that CDI after all!

The average speed diminished a bit toward the end of the trip because of the inevitable stop-and-go traffic near Washington. I'll post my cumulative average over 30 hours (city & country) this evening.. it's around 28mpg. Woo hoo!

PS: I still don't know how to reset my trip odometer

PPS: It's really dangerous taking photos of your instrument panel in heavy traffic.
Imagine explaining it to the judge...

 

 

 

#18303
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Posted 6/1/2006 6:48 PM
AsianML

Date registered: Dec 1899
Location:
Vehicle(s):
Re: 33.7 MPG in E350

You took a pic at 80 MPH? You're one crazy b****!

You and fgwinn should have a MPG war. But you have an unfair advatage over him. You have the V6.
#18305 - in reply to #18303
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Posted 6/1/2006 8:42 PM
Marsden
Classic MB




Date registered: Apr 2006
Location: Capital City USA
Vehicle(s): Mercedes-Benz
5000
RE: 33.7 MPG in E350

I'm so stoked

I'm ready to take on C-Classes now

 

At what mileage is a car fully broken-in, I wonder?

That is, when are all of the tolerances at their optimum, etc...
Mileage should peak in that range.  And I guess a flatter itinerary would help too.
I definitely want to go for 35 mpg

 

 

#18328 - in reply to #18303
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Posted 6/2/2006 1:11 AM
AndrewAZ

Date registered: Dec 1899
Location:
Vehicle(s):
Re: 33.7 MPG in E350

nice. So far my mom has a lead foot in her E350, the other day when I drove it the thing said 19 mpg, but the car only has 2,3XX miles on it so far so I am sure the low MPG is due to the engine being so new. Heck I get 16 mpg in my ML and have gotten 18 when I try and drive slow which isnt to often lol.

Also do you have the ipod kit? I cant figure it out it seems to be very very quiet I have the volume up all the way on the ipod but that doesnt matter since it goes into the dock connector. I have to turn the volume almost all the way up to get decent sound, the radio/cd's come in very loud. Btw the car has the HK logic 7.1 system.

Edited by AndrewAZ 6/2/2006 1:13 AM
#18469 - in reply to #18303
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Posted 6/3/2006 12:58 AM
Marsden
Classic MB




Date registered: Apr 2006
Location: Capital City USA
Vehicle(s): Mercedes-Benz
5000
RE: 33.7 MPG in E350

I get crappy mileage around town too... one of several reasons I don't drive this car around town too much. 

Nope, no iPod kit here.. But do listen to MP3s on disc..

 

#18819 - in reply to #18303
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Posted 6/3/2006 12:17 PM
fgwinn

Date registered: Dec 1899
Location:
Vehicle(s):
Re: 33.7 MPG in E350

Actually I am already competing with my own SLK350 which has a cumulative MPG of 21.3 with an average speed of 30mph after 8600 miles.

AsianML - 6/1/2006 6:48 PM

You and fgwinn should have a MPG war. But you have an unfair advatage over him. You have the V6.
#18896 - in reply to #18305
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Posted 6/5/2006 9:40 PM
BenzDieselTuner

Date registered: Dec 1899
Location:
Vehicle(s):
RE: 33.7 MPG in E350

Marsden - 6/1/2006 6:30 PM

Just completed a three-hour highway trip and managed a new record in the E.

33.0 MPG with an average speed of 70mph and 33.7 (my highest ever) with an average speed of 67mph.

I'm stoked! Was chiefly on I-81--very hilly country-- with a ton of tractor-trailers and tandems to navigate around, and my average would be better still if I hadn't stopped for gas (ironically enough..) ... The neat thing is that the average kept creeping upward throughout the entire trip. So one can assume the car is capable of 34 or 35 MPG which means I really didn't need that CDI after all!

The average speed diminished a bit toward the end of the trip because of the inevitable stop-and-go traffic near Washington. I'll post my cumulative average over 30 hours (city & country) this evening.. it's around 28mpg. Woo hoo!

PS: I still don't know how to reset my trip odometer

PPS: It's really dangerous taking photos of your instrument panel in heavy traffic.
Imagine explaining it to the judge...

 

 

 



everyone NEEDS a CDI..................
#19482 - in reply to #18303
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Posted 6/5/2006 9:42 PM
BenzDieselTuner

Date registered: Dec 1899
Location:
Vehicle(s):
Re: 33.7 MPG in E350

AsianML - 6/1/2006 6:48 PM

You took a pic at 80 MPH? You're one crazy b****!








oh god no, not 130 kmh! oh god, we're gonna die!!





Edited by BenzDieselTuner 6/5/2006 9:44 PM
#19484 - in reply to #18305
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Posted 1/28/2007 4:35 PM
Marsden
Classic MB




Date registered: Apr 2006
Location: Capital City USA
Vehicle(s): Mercedes-Benz
5000
RE: 33.7 MPG in E350

BTW, I'm not able to get anywhere near this mileage anymore

Is it because it's winter? I notice the ambient temp was right up there before...

But...cold-air induction is supposed to assist efficiency, no? Or is it just power.

Lately I struggle to get 29-30mpg on the highway, and I'm majorly pissed

Have about 8300 miles now, so I really don't think it's about
3500 miles having been a sweet spot on the wear-in... opinions welcome...

#60942 - in reply to #18303
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Posted 1/28/2007 6:50 PM
AsianML

Date registered: Dec 1899
Location:
Vehicle(s):
Re: 33.7 MPG in E350

Cold air assists with power, not efficiency (although it could). The gas companies also add additives during the winter reducing gas mileage.
#60965 - in reply to #60942
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Posted 1/28/2007 9:17 PM
Marsden
Classic MB




Date registered: Apr 2006
Location: Capital City USA
Vehicle(s): Mercedes-Benz
5000
RE: 33.7 MPG in E350

Oh yeah. That's good to know, maybe I'll keep the car after all

 I've gotten awfully spoiled by the fuel mileage documented above..

 

 

#60991 - in reply to #18303
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Posted 1/28/2007 9:24 PM
Marsden
Classic MB




Date registered: Apr 2006
Location: Capital City USA
Vehicle(s): Mercedes-Benz
5000
RE: 33.7 MPG in E350

"In winter, colder air means denser air -- more molecules per cubic foot. At any specific throttle setting or opening, the same number of cubic feet of air, but containing more air molecules, will enter the engine. The computer will provide more fuel to create the proper air/fuel ratio at that moment. This is a bit more subtle, since "more air/more fuel" produces more power, so you may be able to operate at a slightly lower throttle setting -- sort of rebalancing the equation."
#60992 - in reply to #18303
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Posted 1/29/2007 7:24 AM
Roch207
Expert




Date registered: Apr 2006
Location: Palmetto State
Vehicle(s): 2005 E320 CDI, 2010 Silverado 2500HD
Posts: 3749
2000
Re: 33.7 MPG in E350

I calculate my mileage manually at fill up and get a different number, so I don't know how much I trust that computer.

As for the trip reset, put your dash view in the view with just the temperature and speed and hold in the reset button (left side of instrument panel on trim panel) for 3 seconds. This is the same way to reset your mileage computer when you are in that view.
#61043 - in reply to #18303
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Posted 6/21/2007 9:20 PM
Marsden
Classic MB




Date registered: Apr 2006
Location: Capital City USA
Vehicle(s): Mercedes-Benz
5000
RE: 33.7 MPG in E350

Good news, the numbers are creeping up again

Last night, 100-mile trip, average speed ~70mph, ~32.5mpg

 

#79837 - in reply to #18303
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Posted 6/21/2007 11:46 PM
iNeon

Date registered: Dec 1899
Location:
Vehicle(s):
RE: 33.7 MPG in E350

Have you ever noticed that your clock is on the wrong side?
#79849 - in reply to #18303
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Posted 6/22/2007 1:18 AM
Marsden
Classic MB




Date registered: Apr 2006
Location: Capital City USA
Vehicle(s): Mercedes-Benz
5000
RE: 33.7 MPG in E350

Actually, yes. It's stupid like that.

Passengers always ask, "Where is the clock?"

But, as I can't tell time anyway, who really cares?

#79853 - in reply to #18303
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Posted 6/22/2007 9:51 AM
AsianML

Date registered: Dec 1899
Location:
Vehicle(s):
RE: 33.7 MPG in E350

iNeon - 6/21/2007 11:46 PM Have you ever noticed that your clock is on the wrong side? :bleh:
No it's not, otherwise the tachometer would be on the wrong side. Tachometer > clock.

 

 

#79871 - in reply to #79849
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Posted 6/22/2007 2:31 PM
iNeon

Date registered: Dec 1899
Location:
Vehicle(s):
RE: 33.7 MPG in E350

You'll realize in 10 years just how meaningless a tachometer is in an automatic luxury car. A big, beautiful analogue clock is much more useful.

In fact-- I've, quite literally, gotten in the neon after driving the Mercedes-Benz a tank or two and looked at it's tachometer sideways and had to remind myself: "oh, duh!! It's NOT a clock!!"

It's hard to tell the time when it only goes to 8 and you can't find the short hand!!!

*EDIT*
I'd like it if they'd bring back full instrumentation, and lose the stupid tachometer. Oil pressure and Voltage are more important. A tachometer doesn't tell you anything about how the car is running, and if it does... You're already in trouble.

Near perfect gauges follow

Edited by iNeon 6/22/2007 2:36 PM




(howgaugesshouldbe.jpg)



Attachments
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Attachments howgaugesshouldbe.jpg (90KB - 2 downloads)
#79901 - in reply to #18303
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Posted 6/22/2007 6:03 PM
AsianML

Date registered: Dec 1899
Location:
Vehicle(s):
Re: 33.7 MPG in E350

The W221 has an analog IWC clock on the center console.

I would/could never drive a car without a tachometer.
#79919 - in reply to #79901
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Posted 6/22/2007 8:41 PM
iNeon

Date registered: Dec 1899
Location:
Vehicle(s):
Re: 33.7 MPG in E350

AsianML - 6/22/2007 5:03 PM
I would/could never drive a car without a tachometer.


Why?
#79930 - in reply to #79919
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