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Old 05-06-2017, 04:55 PM   #1
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Happy So Far!

We took our first (sort of) long trip in the new MBS 2400R this week. Went from Central Oregon over to Bandon, Or, on the coast for 4 days. Ended up driving about 700 miles by the time we got back home. Happy to report that we did not find any real issues with the unit while on the trip. Drove through rain going and coming, plus sat in storm overnight - no leaks!! Performance and handling was excellent. We pulled the grades over the passes without any problem, most of the time at the list. Worse case on a real long, and steep was 50 mph for a short bit. Fuel economy was great as we averaged a bit over 14 mpg. The MH only has 3000 miles on it, and 2100 was in delivery to dealer. I expect mileage to improve on a curve, as it normally does with a diesel. We had plenty of space for 2 adults and a small dog and no one got in each others way. We ended up about 250 pounds under gross weight rating (weighed on a scale on US101) and after camping for 4 days, I am beginning to know what I can thin out of things I took and never thought about using . Just wish the queen bed was a bit longer, as my feet will hang over the end if I stretch out :rollback:, but no big deal. Looking forward to more time spent with this unit.
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Old 05-10-2017, 05:56 PM   #2
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I took MB to Coos Bay last month from Washington. High Desert, what grade of diesel are you using in Oregon? All I can find is #2 diesel. Asked one of the attendance about percentage of biodiesel. He said no biofuel here we only have ethanol. That tell me I shouldn't ask more.
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Old 05-10-2017, 07:40 PM   #3
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My first camping trip was a week ago. Did about 200 miles and stayed 3 days on the beach. 14 mpg and it ran right up there with the traffic. I run in the HOV lanes when the wife is with me and it ran 70 to 75 the whole way. I am at 5000 miles right now. I did run an empty trip and got 16 so I think on the flat run I will get better. Same for me. It runs sweet, handles just fine and stops within what I expected it to. So far pretty happy with it.
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Old 05-11-2017, 09:45 AM   #4
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I took MB to Coos Bay last month from Washington. High Desert, what grade of diesel are you using in Oregon? All I can find is #2 diesel. Asked one of the attendance about percentage of biodiesel. He said no biofuel here we only have ethanol. That tell me I shouldn't ask more.
Raptor - I am using ONLY ULSD in my unit. Mercedes states that a max of 5% biodiesel is allowable for use in the 3.0 engine. I have yet to run across that low of a mixture here, in Oregon. Normally, what you see is B20 diesel (20%). While in Bandon, I went to fill up at a Chevron station on the south side, on 101. Pulled to the pump and it was only B20 biodiesel - never stopped, and went across the street to the Union 76 and pumped ULSD. I also find that that, in most cases, Shell is selling B20 diesel at its' stations in Oregon. From the Bend area to Port Orford, never had any issue of finding ULSD. Always check the pump for what the fuel content is. It will say either "ULSD" or "BXX" for bio content.
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Old 05-11-2017, 10:38 PM   #5
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I am headed out on a 8000 mile trip next week. That is good info. I will see if gas buddy can find ULSD.
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Old 05-12-2017, 06:10 AM   #6
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"I will see if gas buddy can find ULSD."

By law you should find that everywhere .

What you need for the MB is a low , 5% or less bio content in the fuel.

Look for a sticker and if you see 10%-20% bio find another fuel station.

Many big rigs can burn this crap, but frequently the car side of a station will have the 5% or less diesel fuel..
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Old 05-12-2017, 10:29 AM   #7
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Do I have this right? The pumps with the green nozzle are the USLD with 5% or less bio. The pumps with the yellow nozzle are the ones with 10-20%.
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Old 05-12-2017, 05:10 PM   #8
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Do I have this right? The pumps with the green nozzle are the USLD with 5% or less bio. The pumps with the yellow nozzle are the ones with 10-20%.
Sound here in the NW, I have not seen a diesel pump with a yellow handle. All I have seen are free, and it doesn't alter what content of Bio is in the diesel - it is still free. Sooooo - really have to look at the pump label, or ask if unmarked. Should not have to be this hard.
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Old 05-12-2017, 08:27 PM   #9
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Handle colors mean nothing. Got to look at the pump. All the bio I've seen is well marked.
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Old 05-15-2017, 06:04 AM   #10
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Handle colors mean nothing. Got to look at the pump. All the bio I've seen is well marked.


Regarding handle covers, green is often diesel, but not always. Yellow is also used, and I have seen black a time or two as well. I have read of folks accidentally filling their MBS with gas because they were following the "green is diesel" path, so, HEADS UP!!!

In many midwestern states B20 is mandated. I often wonder if they mark the pumps accurately... all the dino-diesel is ULSD by Federal law, and I do not think the bio-diesel has a sulphur content. Yeah, I know, the pumps are supposed to tell us what the blend is, but to most filling station staff it is more important to keep the diet and regular coke separate.

This B5-B20 issue has been covered extensively in many forums. I have read 100's of posts on this. Search Mercedes Benz for a publication they provide, which is quite informative. Reality says that sometimes you are going to find that the only fuel available is B-20. A tank full of this stuff once in awhile is not the end of the world. Keep a close eye on oil level... a common symptom of using B-20 is that the oil level rises. MB recommends more frequent oil changes if B-20 is part of your diet.

Happy Travels!
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Old 05-16-2017, 10:24 PM   #11
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So far it is all been ultra low sulphur and no listed bio content. On the road from LA cal headed for New York. We're in Utah tonight. 560 miles and getting 17.5 mpg climbing up the mountains. I ran 60 in the hills and got 17.7 on this tank. 70 on the flat the first day and got 17.2. Pretty jazzed and expecting it to get better as it gains miles. Only 5500 on the clock so far.
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Old 05-17-2017, 05:40 PM   #12
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Handle colors mean nothing. Got to look at the pump. All the bio I've seen is well marked.
I owned a bright yellow M109R on nitrous once. Any way I'm 1000 miles into this trip and first 3 tanks all the pumps just said ULSD. No words about blends at all.
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Old 06-14-2017, 03:27 PM   #13
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Recent trip results. Formatting is bad esp. due to comments, so see attached screen shot for a better view.

Date Location ODO Miles Gals. mpg
5/6/2017 Cedar Falls, IA 259 19.5 13.3
5/7/2017 Newton IA 8736 190 13.296 14.3
5/7/2016 La Vista, NE 8913 177 13.046 13.6
5/8/2017 Kearney, NE 9119 206 17.206 12.0
5/8/2017 Crook, CO 9331 212 15.454 13.7
5/9/2017 Golden, CO 9502 171 12.453 13.7
5/10/2017 Gypsum, CO 9635 133 7.986 16.7
5/11/2017 Thompson, UT 9846 211 14.22 14.8
5/14/2017 Hanksville, UT 10002 156 10.976 14.2
5/14/2017 Torrey, UT 10064 62 4.552 13.6
5/18/2017 Bryce Canyon, UT 10181 117 8.317 14.1
5/20/2017 Fredonia, AZ 10357 176 11.245 15.7
5/22/2017 Kanab, UT 10529 172 10.877 15.8
5/23/2017 Page, AZ 10631 102 7.08 14.4
5/23/2017 Teec Nos Pos, AZ 10803 172 11.633 14.8
5/27/2017 Durango, CO 10962 159 5.005 31.8 Full?
5/27/2017 Dolores, CO 11007 45 9.443 4.8 Avg 2 14.1
5/29/2017 Gunnison, CO 11220 213 13.822 15.4
5/30/2017 Alamosa, CO 11392 172 10.503 16.4
5/30/2017 Woodland Park, CO 11568 176 12 14.7 EST GALS
5/31/2017 Brush, CO 11739 171 9.815 17.4
6/1/2017 Ogallala, NE 11866 127 2.519 50.4 Downhill Full?
6/1/2017 York, NE 12093 227 12.826 17.7 Not full
6/2/2017 La Vista, NE 12196 103 12.591 8.2 Avg 2 13.0 Avg 3 16.4
6/3/2017 Story City, IA 12390 194 13.913 13.9

TOTAL 4103 280.278 14.6
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Old 06-16-2017, 06:02 AM   #14
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All road diesel sold in the USA since 2010 MUST BE ULSD by law.

The definition of Ultra Low Sulfur Diesel states that there shall be no more than 15 ppm sulfur and has nothing at all to do with the percentage of BIO-FUEL in the Diesel.

Any time the BIO-FUEL percentage in the fuel at the pump is above 5%, the pump must be labeled as such.

Per Mercedes Benz Biodiesel Brochure, which every MBS chassis owner should read and keep handy,

B20 blends are generally not approved and should be only used on a very limited basis and only if unavoidable.

I can't recall if it is in the brochure or not but I read somewhere that if you do end up using B20, make sure you use sparingly because it can grow mold in the tank and fuel system if left, so make sure you run a few tankfuls of non bio afterwards.

Hope this is of some help
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