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GWAGONER
New user
Date registered: Mar 2013
Location: SE Idaho
Vehicle(s): 2002 G500
Posts: 4
| 14.9 MPH out of a G!!!
I followed your system and cleaned out my fuel system on my 2002 G500 at 69,000 miles and also did a complete service at the same time trying to gain some fuel milage but it stayed at about 11.1 MPH. My y neighbor that owns a trucking company gave me some fuel treatment that allowed me to run 85 octane instead of the 91 octane that mercedes recommends. After running three tanks of the treatment through it, my MPH came up to 14.9 with about a 10% increase in power, so I ordered some more online at fuelpaid.com and kept on using it. I keep a bottle in the glove box and one in my wife's CLK. I have 76,000 on my G Wagon now running "crap gas" instead of premium and its running great with no problems I never thought I would see over 12 MPH and Im getting 14.9!  |
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4d55 performance
Member
Date registered: Jul 2012
Location: Utah
Vehicle(s): 2003 G500
Posts: 27
| RE: 14.9 MPH out of a G!!!
I have seen over 18mpg on many occasions and I have never run a fuel treatment. I have seen upwards of 20mpg with all freeway driving at 70mph. I am certain getting over 20mpg is possible if I cared to apply some hyper-mileing techniques or a fuel additive.
This was a day of 20 miles of offroading, getting caught in a traffic jam for over an hour, driving over 10K ft mountain pass while carrying 5 adults and 8 backpacks after a week long of backpacking.
http://www.flickr.com/photos/41108316@N00/8048838919/sizes/l/in/pho...
Edited by 4d55 performance 3/31/2013 5:03 AM
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4d55 performance
Member
Date registered: Jul 2012
Location: Utah
Vehicle(s): 2003 G500
Posts: 27
| RE: 14.9 MPH out of a G!!!
I will have to give it a try.
Edited by 4d55 performance 3/31/2013 5:01 AM
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Balto
Extreme Veteran
Date registered: Mar 2012
Location: Scottsdale, AZ
Vehicle(s): 2002 G500
Posts: 368
| Re: 14.9 MPH out of a G!!!
What was the fuel treatment? |
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GWAGONER
New user
Date registered: Mar 2013
Location: SE Idaho
Vehicle(s): 2002 G500
Posts: 4
| Re: 14.9 MPH out of a G!!!
Its called Extreme Fuel Treatment by a company out of Utah. FuelPaid.com has all the info. |
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Amnaggar
Veteran
Date registered: May 2013
Location: Dubai
Vehicle(s): '10 G55, '10 C250, '05 Volvo S40 T5, '05 Pajero
Posts: 100
| Re: 14.9 MPH out of a G!!!
All I'm seeing is 20litres/100km, that's 11.2 mpg!! My reserve light came on at exactly 362km from full! Running 95RON this time (as gas flap says).
Edited by Amnaggar 5/22/2013 2:53 PM
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Amnaggar
Veteran
Date registered: May 2013
Location: Dubai
Vehicle(s): '10 G55, '10 C250, '05 Volvo S40 T5, '05 Pajero
Posts: 100
| Re: 14.9 MPH out of a G!!!
Second gas tank, 95 RON, Eppco (first tank was Emarat): no difference. Pin dropped at 352km (a bit more rev play with this tank)
Gotta do something about this mileage! Asked for Techron or Keropur at Emarat... They had no clue! Will check with MB tomorrow. |
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artiei
Member
Date registered: Nov 2014
Location: Park City, UT
Vehicle(s): 1984 280SL, 1984 300GD, 1967 MGB
Posts: 19
| Re: 14.9 MPH out of a G!!!
I've getting 22 MPG driving around town in Park City, UT from my G but only about 14 on the highway. That front windshield is like a huge air break. How? I'm not in a hurry around town, and use a OM617A turbo diesel. The only problem is 0-60 is only 23 sec! Works for me though.
Edited by artiei 3/13/2015 4:51 PM
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dabber
Member
Date registered: Oct 2012
Location: NJ
Vehicle(s): 2002 G500
Posts: 18
| Re: 14.9 MPH out of a G!!!
i avg 15 mpg on the hwy with brisk-conservative driving always.
which matches factory rates of 12-15 // 12-13
ur realistically never gonna do better than 15 mpg
also avg's around 280-300 miles (range) per tank
Edited by dabber 3/9/2015 8:12 PM
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robwill54
Veteran
Date registered: Aug 2007
Location: South of Houston on the Gulf
Vehicle(s): '12 G550,F350 Superduty, E250
Posts: 140
| RE: 14.9 MPH out of a G!!!
My '03 wagon got 17 on the highway all day long no additive. My 2012 gets 15 at 70mph highway no additives. 13 in town.
Bob |
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dabber
Member
Date registered: Oct 2012
Location: NJ
Vehicle(s): 2002 G500
Posts: 18
| Re: 14.9 MPH out of a G!!!
yeah i've seen 17-18 pure hwy in my journey's |
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15903120696
Date registered: Dec 1899
Location:
Vehicle(s):
| Re: 14.9 MPH out of a G!!!
Wow, neighbour！I am from SLC
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15903120696
Date registered: Dec 1899
Location:
Vehicle(s):
| RE: 14.9 MPH out of a G!!!
Wondering how you get that, mine 02 G 33k usually get 8-9. |
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artiei
Member
Date registered: Nov 2014
Location: Park City, UT
Vehicle(s): 1984 280SL, 1984 300GD, 1967 MGB
Posts: 19
| Re: 14.9 MPH out of a G!!!
15903120696 - 3/13/2015 2:38 PM
Wow, neighbour！I am from SLC
We need to get together and share tips. I'm up here in Park City. |
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Fenalaar
Elite Veteran
Date registered: May 2006
Location: Narvik, Norway
Vehicle(s): 2001 ML270CDI, Polaris 400L Big Boss
Posts: 826
| RE: 14.9 MPH out of a G!!!
Those of you getting 8-9 mpg need to take a look at your driving pattern. "Stop light rally", agressive driving, high speeds etc. all contribute to a poor MPG figure. The consumption of the G is VERY sensitive to your driving style...
The G is not really meant for high speed driving, and this includes highways. The optimum speed for getting good fuel efficiency on the G is about 70 km/h (~45mph). Air resistance will increase with the square of the speed, so consuption will increase the same way.
The G I had (a 300GD), would regularly use 1/4 tank on the trip to my mother and back home. Once, I was in a real hurry, and drove with all the speed I could get out of it, with the exception of the 50 and 60 km/h-zones, as that's where the cops will lurk), topping out at 140km/h on a loong stretch of road. When I got there, I'd used 1/4 of a tank driving one way...
Johan-Kr |
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Fred V
Regular
Date registered: Apr 2014
Location: Green Mnts
Vehicle(s): 02 G500
Posts: 88
| RE: 14.9 MPH out of a G!!!
My mileage dropped when I switched from summer to winter tires. About 16.5 down to about 14.5. More open tread pattern and a bit lower tire pressure. Will see what happens when I switch back in the spring. |
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sjtymko
G-Class Photo Host
Date registered: Apr 2006
Location: Canada, AB, Sherwood Park (Edmonton)
Vehicle(s): 2002 G500, 2009 B200
Posts: 511
| RE: 14.9 MPH out of a G!!!
I just finished a 850km hwy trip half of which was into a severe head wind. I averaged 16.5L/100km or 14.3 mpg. My return trip today with no wind was 15.9 L/100km or 14.8 mpg. I am running 33" tires which make it all worse (figures are adjusted for tire size). I averaged about 115km/h. When I had stock tires, I averaged better. However, when I drive to my mom's house predominantly on an 80km/h (50mph) freeway, it is even better. The flat front of the G is no friend to higher speeds. As stated, the G really responds to conservative driving which I really try to stick to - mostly because I see no reason to rush most of the time. Relax and enjoy yourself.
Steve
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w.james
Veteran
Date registered: Jun 2006
Location: New Jersey
Vehicle(s): 84 280 GE 617A 5sp getrag
Posts: 239
| Re: 14.9 MPH out of a G!!!
I regularly get 28mpg and on one occasion I got 32mpg by babying the 617A with a 5sp manual |
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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: 9963
| RE: 14.9 MPH out of a G!!!
I got 15 mpg highway with the 280GE for years. My G500 has done about the same since 2002. Ethanol in the gasoline knocks about 10% off the fuel mileage.
The only times I did better were east bound across I-40 in New Mexico. It was downhill overall and with a very strong tailwind. |
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15903120696
Date registered: Dec 1899
Location:
Vehicle(s):
| Re: 14.9 MPH out of a G!!!
Yes, we do. I have pm you my email.  |
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