E-Class (W211) 2003-2009

800 miles on a single tank (CDI)

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Old Jun 15, 2007 | 02:16 PM
  #1  
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From: East Coast USA
'06 E320 CDI
800 miles on a single tank (CDI)

I just returned from a 2 week road trip from PA to Miami and places in between in my '06 E320 CDI. I decided to see just exactly how far I could get on one tank (21 gal) during my trip home last night - as you can see by the results, I'm more than happy. I filled up about an hour south of Atlanta (Fairview I believe) at a BP station ($2.60/gal) and proceeded to make a brief stop over in Charlotte - for this first leg of the trip, the car was averageing 41mpg with the cruise set at 65mph. Once I departed there and started home, you can see the MPG's dropped a bit, but over all it was an impressive run. I took this picture as I entered my garage back in PA, what isnt shown is that I could have traveled about another 100 miles or so before I would have realllly needed to fill up. I should have about another gallon in the tank, but will know for sure when I do fill up today sometime.

I'm in the process of sending Mercedes a quick note thanking them for the CDI.

My only thought last night was, "lets see a hybrid do THIS!!!" :-)
Attached Thumbnails 800 miles on a single tank (CDI)-800-mile-tank.jpg  
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Old Jun 15, 2007 | 02:25 PM
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Very impressive.

The only real road trip I've taken the CDI on was from Los Angeles to Mammoth Lakes and back, which is a 9,000 ft elevation change and 80+ mph for most of the trip. 650 miles round trip with a couple gallons left...averaged about 33mpg without regard for fuel savings.
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Old Jun 15, 2007 | 06:59 PM
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Originally Posted by derek_cdi
for this first leg of the trip, the car was averageing 41mpg with the cruise set at 65mph. Once I departed there and started home, you can see the MPG's dropped a bit, but over all it was an impressive run.
Very impressive results ! Well done !

Hope my future Bluetec comes close to your car's fuel economy.
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Old Jun 15, 2007 | 08:03 PM
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'06 E320 CDI
I just filled her up

and, I was shocked to see that I only put in 18.3 gallons. After doing the math, my over all average was 41.8mpg (767 miles/18.3gal) WOW!

I really thought that the pump would shut off closer to the 20 gallon mark.
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Old Jun 15, 2007 | 11:44 PM
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[QUOTE=derek_cdi;2273129]... my over all average was 41.8mpg (767 miles/18.3gal) QUOTE]

+1 on Very impressive. And doing it with comfort and style!
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Old Jun 17, 2007 | 06:30 AM
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Old Jun 17, 2007 | 10:44 AM
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2012 w212
Very impressive numbers, guys! I do a 70-mile, all highway with cruise on at 73 mph, one-way commute from Madison, Wi to Waukesha, Wi each day and am getting about 32-39 mpg. I've found that the direction of wind makes a big difference in MPG....
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Old Jun 17, 2007 | 11:16 AM
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Hell,yeah,about 2 weeks ago,on the holiday weekend, I took a trip from my home in Newark New Jersey to Camden,Delaware (right near Dover),and to my surprise I used a quarter tank of gas. The W210 I gave up in January used to use a half a tank on the same trip,so my decision to upgrade has had it's greatest reasoning:fuel efficency
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