Everyone needs to email or call this guy and find out his secret for such amazing fuel mileage!
My 1980 300sd only gets 20-22 around town. I want to know his secret.

http://springfield.craigslist.org/car/740882755.html

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"Our Lady of Blessed Acceleration...
don't Fail Us Now"

Maybe he put 13" tires on it?

35 mpg seems to stretch the truth, but what kind of mileage could one expect on highway driving, let's say at 45mph?

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Tomas, Sweden
1966 Mercedes Benz 230S with OM617.912, automatic. Disk brakes from W108
1983 Mercedes Benz 300TD grey, OM617.912 and 5-speed manual
1983 Mercedes Benz 300TD blue 7-seater, OM617.912 and 5-speed manual

and downhill, with a tailwind!

Wife's 84 SD got 28mpg at 60-65 on her last trip.

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85 300TD FED-Daily
84 300SD-Wife's
86 XJS-Sunday
66 GMC-Work- Given to my stepson
83 BMW Airhead- Given to my stepson

My record for my 85 Kalifornistani 300SD is 29 mpg at 70-75. However its had a couple of mods.

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green 85 300SD 200K miles "Das Schlepper Frog" With a OM603 TBO360 turbo ( To be intercooled someday )( Kalifornistani emissons )
white 79 300SD 200K'ish miles "Farfegnugen" (RIP - cracked crank)
desert storm primer 63 T-bird "The Undead" (long term hibernation)

http://ecomodder.com/forum/fe-graphs/sig692a.png

Maybe he meant imperial gallons.

If one drove at 45 mph on a smooth surface in an S-Class diesel, I bet 40 miles per US gallon would not be out of the question. A W126 300SE achieves close to 30 mpg at a sustained speed of 56 mph according to Mercedes' figures. From that same consumption chart, the SE gets only 21 - 22 mpg at 75 mph, which is accurate.

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1987 300SDL (324000)

1986 Porsche 951 (944 Turbo) (166000)

1978 Porsche 924 (99000)

1996 Nissan Pathfinder R50 (201000)

I say typical salesman

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2004 VW Jetta TDI (manual)

Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL

More salesman BS: '79 300SD hydrogen/biodiesel hybrid. At least he could have got the picture or model right.

http://reno.craigslist.org/car/740538692.html

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2004 VW Jetta TDI (manual)

Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL

It's amazing what speed and conditions will do for your MPG.

Last week and the week before I took a 10-day vacation, in which I drove up to Seattle, WA (from Reno, NV).

Because my alternator will still out in the Benz I took a 1997 Toyota Corolla. This car typically gets 28-32 MPG in town.

As an experiment (a long, semi-boring, but then relaxing and rewarding experiment) I decided I would drive no faster than about 57-58 mph the whole way (with the exception being downhill stretches where I didn't have to use the gas at all). I would stop and add gas to full level about every 175 miles.

The best MPG achieved on the trip was 56, on about a 300 mile stretch through Eastern Oregon. The average MPG ended up being about 50.

Frankly I was shocked to see these numbers (with my usual around-town-going-70mph mpg being about 30). But I think it does show that great MPG can be achieved if we are willing to just SLOW DOWN (and if we're driving on a no-stop-lights freeway )

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'79 300SD
'82 Chevy Chevette diesel

That's a big difference and an interesting experiment. I wonder what I'd get in my Jetta. I know when I dropped my typical freeway speed from 75 to 70 mph my mileage went from 42 to 46 mpg (combined with city driving). I know 50-60 mph is the most efficient speed but I didn't know it makes that much of a difference.

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2004 VW Jetta TDI (manual)

Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL

Problem with 55-60MPH in CA on the freeways is that some SOB will ride your bumper flashing his lights and blaring his horn......when the passing lane is empty. I usually just slow down when this happens and figure I'll get shot the bird as the SOB finally decides he isn't going to make me go faster, and goes around. Driving the diesel is a bit different than driving the 560SEC. But it might make me a better driver of the SEC too.
Looking for a long trip in Freesil to check the mileage. PO says 400 plus miles a tank is very doable. Right now 400 miles to a tank is fabulous. 24 in town over 13 (560SEC) or 19(380SE) is very acceptable to me.

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1986 Euro 500SEC "RUF" 9:1CR, "Rose"
1985 Euro 500SEC Cabriolet AMG Widebody
1982 Euro 500SEL "Blue"
2001 Texas Heeler (Aussie/Queensland X) "Sulphie",
2012 Queensland Red Heeler "Squeak"
Best dogs I've ever had.

Around here you would die if you went much below 60. But if you drove 45 most likely a BMW in your trunk.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

I love that stretch of the 101 between Carpinteria and Santa Barbara (and even through Goleta and beyond) where 95% of drivers fall in line and drive 55-65 mph. I almost always see CHP sedans on that stretch, love it actually.

This is funny. My brother says he set the cruise at 56 and goes all day in PA. I say set the cruise at 56 and get killed in 5 minutes out here!! I set the cruise at 80 and go. Maybe I'll try it at 70 for awhile but I don't want to be a speed bump!!

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If it ain't broke take it apart and find out why.

1983 300SD, 4 speed
1994 C280
1987 300TD wagon
1996 HD Road King

Ride in Peace Eric Peterson, Harley of Macon