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DUTCH
Administrator Doppelgänger
Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter
Posts: 9965
| ML320 CDI - Real World Mileage
I put about 70 miles on my ML320 CDI today, all of it city driving. Computer said 22 mpg for the entire day's average. Not bad for an engine with less than 200 miles on it. |
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DUTCH
Administrator Doppelgänger
Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter
Posts: 9965
| RE: ML320 CDI - Real World Mileage
230 mile trip today. Of that it was 30 miles of city driving and 200 miles of Interstate driving. Computer says an average speed of 62 mph and fuel economy of 28.8 mpg! I like this truck!! |
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coldtaco
Date registered: Dec 1899
Location:
Vehicle(s):
| Re: ML320 CDI - Real World Mileage
Please keep us updated:) Too bad I can't afford one, so I would like to live vicariously through you as you enjoy this rig:) |
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DUTCH
Administrator Doppelgänger
Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter
Posts: 9965
| More ML320 CDI Real World Mileage
Truck has about 2,000 miles on it. Took a 1200 mile trip this week with mostly Interstate driving - mostly 70-80+ mph. Trip computer said average speed was 62 mph and average fuel consumption was 24.5 mpg. The mileage drops off quickly above 70 mph. |
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03-Gwagen
Elite Veteran
Date registered: Apr 2006
Location: Western Pennsylvania
Vehicle(s): CLK63 Black Series, 2018 G63, 2016 GLE300d
Posts: 888
| RE: More ML320 CDI Real World Mileage
Our 05 ML 350 gets 18mpg under similiar hwy conditions.
Our 99 E turbo diesel was rated at 38 mpg on hwy. The best it ever does is under 30mpg on the hwy. 24 city. If we had it to do over, we would never have purchased a diesel.
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DUTCH
Administrator Doppelgänger
Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter
Posts: 9965
| RE: More ML320 CDI Real World Mileage
03-Gwagen - 1/19/2007 2:15 PM
Our 05 ML 350 gets 18mpg under similiar hwy conditions.
Our 99 E turbo diesel was rated at 38 mpg on hwy. The best it ever does is under 30mpg on the hwy. 24 city. If we had it to do over, we would never have purchased a diesel.
I'm 100% happy with this one. I stepped on it the other day; and that Garrett turbo slapped me in the back as it kicked in. If I want more unneeded power, there are several chips to chose from; and they supposedly give an additional 5-10% improvement in fuel mileage as a side benefit. |
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roadsession
Date registered: Dec 1899
Location:
Vehicle(s):
| RE: More ML320 CDI Real World Mileage
03-Gwagen - 1/19/2007 2:15 PM
Our 99 E turbo diesel was rated at 38 mpg on hwy. The best it ever does is under 30mpg on the hwy. 24 city. If we had it to do over, we would never have purchased a diesel.
What speeds were you travelling on the highway?
I've driven a 2000 E 320CDI from Munich to Salzburg at avg 110mph and got equivalent of 30mpg.
On the way back all I could manage was avg 70mph and got equivalent of 36mpg.
The same trip on a E320 gasoline version would've have been 20% less mileage.
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Ivessm
Date registered: Dec 1899
Location:
Vehicle(s):
| Re: ML320 CDI - Real World Mileage
Roadsession, I would question your calculations on your Salzburg & return trip. If that was really the mileage @ 110MPH then these things would be flying out of the dealer showrooms.
Let's see, 110MPH works out to about 185 kilometers per hour and the return trip of 70MPH works out to a bit less than 120 kilometers per hour.
If your calculations are true that is damn good!!! |
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dmcginn2
Regular
Date registered: Apr 2007
Location:
Vehicle(s): 2007 ML 320 CDI
Posts: 61
| Re: ML320 CDI - Real World Mileage
Roadsessions speed calculations are most likely accurate.
I lived in Germany for a while, and Common Rail diesels like the E320 and ML320 CDI are far more common over there. In some of the car models, they are a full second faster than their gas model counterparts from 0-100kph. And yes, they do haul A**.
The ULSD here in the states that they are just coming out with has been the fuel standard for common rail diesels in Europe for years....along with the common rail diesel engines.
I just took my ML 320 CDI from South Carolina up to Washington DC. I drove about 80mph and got about 25mpg. And oh yeah, unofficially, I was doing 95 mph for short bursts on a couple occasions.
Keyword....unofficially.
Fuel effieciency did improve significantly when I dropped down to 75mph, and even more to 70 when I got near Quantico on Sunday. However, realistically, driving 70 on I-95 is impossible...in case you didn't know. I jumped to about 27mpg (26 point something) when I slowed up to 75 or less.
After all that said, a friend of mine followed up to DC from South Carolina about 6 hours later in a Chevy Blazer and got only 19.5mpg average Compared to my 25.
So over all, fairly pleased, just wish that the gas mileage would hold out past 70mph a little better.
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dmcginn2
Regular
Date registered: Apr 2007
Location:
Vehicle(s): 2007 ML 320 CDI
Posts: 61
| Re: ML320 CDI - Real World Mileage
Sorry,
Left out the other part.....
The mileage from Roadsession if probably as accurate as well. I have also heard of common rail diesels getting 45mpg on the highway here in the states....figure that means about 70-80 mph. (mostly in my friend's Volkswagen Jetta). Figure 70-80mph on the highway....jack that up to 110 mph and 30-35 mpg seems realistic.
That's one of the reasons that Europeans drive more common rail diesels....fuel mileage and fuel cost. In many european countries, they don't tax the diesel as much, cause of trucking and the effect it would have on commerce.
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BenzDieselTuner
Date registered: Dec 1899
Location:
Vehicle(s):
| Re: ML320 CDI - Real World Mileage
dmcginn2 - 5/18/2007 7:55 PM
Roadsessions speed calculations are most likely accurate.
The ULSD here in the states that they are just coming out with has been the fuel standard for common rail diesels in Europe for years....along with the common rail diesel engines.
Actually, they have been selling Schwefel-Frei (Sulphur Free) diesels and gasolines for years now...... |
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mauleskyrocket
Date registered: Dec 1899
Location:
Vehicle(s):
| RE: ML320 CDI - Real World Mileage
I only have 600 miles on mine. I tend to drive quite easily re acceleration. It took the tranny about 200 miles to learn that. It now shifts up pretty quickly. On mostly highway @ 65 mph--I get a good 27 mpg. In suburb and light city----22 mpg. In heavy city driving-------17-18 mpg. I am very happy with this truck. |
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GwagenLover
Extreme Veteran
Date registered: Apr 2006
Location: Winston Salem, NC USA 27104
Vehicle(s): 2016 G550 & 2016 GLE350
Posts: 475
| RE: ML320 CDI - Real World Mileage
Dutch said:
I'm 100% happy with this one. I stepped on it the other day; and that Garrett turbo slapped me in the back as it kicked in. If I want more unneeded power, there are several chips to chose from; and they supposedly give an additional 5-10% improvement in fuel mileage as a side benefit.
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Dutch,
Would you expand on this statement you made about chips.....Like where does one go for more info and such? |
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DUTCH
Administrator Doppelgänger
Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter
Posts: 9965
| RE: ML320 CDI - Real World Mileage
GwagenLover - 5/11/2008 1:44 PM
Dutch said:
I'm 100% happy with this one. I stepped on it the other day; and that Garrett turbo slapped me in the back as it kicked in. If I want more unneeded power, there are several chips to chose from; and they supposedly give an additional 5-10% improvement in fuel mileage as a side benefit.
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Dutch,
Would you expand on this statement you made about chips.....Like where does one go for more info and such?
Kleemann and Carlsson make them. Kleemann (KD-Box) sells though MBUSA dealers; and they claim that there is no detrimental effect on the MB Factory Warranty when installed. Carlsson (C-Tronic Diesel Power and C-Tronic Diesel ECO) won't sell theirs in the US because of some supposed CDI engine problem (1% failure rate for unknown reasons) that is exacerbated by the chip; so they made an agreement with MB to not sell it in the US where product safety recall laws are much stricter. At least, that's what they say.
My contact within the MBUSI service support structure says that they have no known engine problems/failures; and doesn't know what Carlsson is talking about. He does go on to say that the engine software is constantly being updated and each car gets the updates when they visit the dealer; and he wonders aloud how a chip is supposed to keep up with the updates.
All that info convinced me to not go the chip route at this time. |
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lkchris
Veteran
Date registered: Nov 2006
Location: Albuquerque
Vehicle(s): '07 GL320CDI, '06 E320CDI
Posts: 144
| RE: ML320 CDI - Real World Mileage
Aero is probably biggest reason mileage falls off with speeds over 70. I got in a serious tailwind last week and the instru display on my GL read 29 mpg at 69 mph for a while before the wind shifted. |
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DUTCH
Administrator Doppelgänger
Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter
Posts: 9965
| RE: ML320 CDI - Real World Mileage
lkchris - 5/12/2008 12:37 PM
Aero is probably biggest reason mileage falls off with speeds over 70. I got in a serious tailwind last week and the instru display on my GL read 29 mpg at 69 mph for a while before the wind shifted.
You ought to see the effect on a G. Having driven both ways on I-40 in NM on the same day, that prevailing wind makes a major difference in fuel consumption - especially at 75-80 mph in a G. After all, it has about the same aerodynamics as the Vienna Hoffburg!  |
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GwagenLover
Extreme Veteran
Date registered: Apr 2006
Location: Winston Salem, NC USA 27104
Vehicle(s): 2016 G550 & 2016 GLE350
Posts: 475
| RE: ML320 CDI - Real World Mileage
The new 2008 CDI is presenting us with some good figures for the first 297 miles...
220 Highway under 70 MPH and 77 miles city.
I feel comfortable with the fill up as I topped it off at the beginning and end at the same location.
The total gallons to fill it at the end of the 297 mile run: 10.363 gallons
That calculates to 28.66 MPG
Diesel in NC is now $4.199/gal at the local Walmart.
Or $.147 per mile compared with my Gwagen that get 17 MPG highway @ $.216 per mile.
Now I am in the same corner as Dutch....When is Mbenz going to give us a 320 CDI G 500??? |
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DUTCH
Administrator Doppelgänger
Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter
Posts: 9965
| RE: ML320 CDI - Real World Mileage
GwagenLover - 5/14/2008 1:41 PM
Now I am in the same corner as Dutch....When is Mbenz going to give us a 320 CDI G 500???
I have a very good source who says that Daimler in Stuttgart wanted to sell the G320CDI in the US, but MBUSA nixed it; so don't hold your breath.  |
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lkchris
Veteran
Date registered: Nov 2006
Location: Albuquerque
Vehicle(s): '07 GL320CDI, '06 E320CDI
Posts: 144
| RE: ML320 CDI - Real World Mileage
DUTCH - 5/14/2008 3:19 PM I have a very good source who says that Daimler in Stuttgart wanted to sell the G320CDI in the US, but MBUSA nixed it; so don't hold your breath. :banghead: Yes, they won't even sell it here with the gasoline V6. The marketing strategy is "expensive toy" not "practical truck!" |
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Jim W.
Member
Date registered: Nov 2006
Location:
Vehicle(s):
Posts: 7
| RE: ML320 CDI - Real World Mileage
2008 ML320 CDI - 2100 miles to date. 28.7 mpg overall average. Have gotten 34+ on longer stretches of a trip on mostly flat roads, driving at the speed limit. Driving is about 80/20 split between highway/city.
Jim W. |
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