What was the WORST fuel mileage you've gotten in your older MB, and why?

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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FACEBOOK: PANZER450

16mpg. Creeping around town or running 80 on the interstate, 16mpg. For a year. Owed to a less than stellar carb, (even when it was new), a high revving dual cam motor in a 4 door sedan with steep gears and the aerodynamics of a brick. Coulda been worse.

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One more Radar Lover gone...
1982 VW Caddy diesel 406K 1.9L AAZ
1994 E320 195K

Hard to tell exactly (broken odometer), but I think my 250 consistently gets about 15. My lead foot and the ridiculous rear end with no overdrive are probably the main reasons. It might help if I balanced the carburetors.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.

I once has a 1967 230S 4 dr that got 9mpg!

I went through the manual and synchronized the Zenith carbs and that improved the miles to about 13. Replaced all fuel lines, then discovered a couple of holes in the tank! Replaced the tank with a used one from a 220Sb which was apparently identical/very similar-- fit right in the spot.

Best I ever got was 19 mpg but I thought that was not bad all things considered. It only did city runs, due to my work schedule.

Moral of the story: maintenance is everything! The prior owner did little if none.

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Strelnik
Invest in America: Buy a Congressman!

1950 170SD
1951 Citroen 11BN
1953 Citroen 11BNF limo
1953 220a project
1959 180D
1960 190D
1960 Borgward Isabella TS 2dr
1983 240D daily driver
1983 380SL
1990 350SDL daily driver alt
3 x Citroen DS21M, down from 5
3 x Citroen 2CV, down from 6

About 14mpg on my 280CE when run on 87 octane.

I get about 16-17 on 93 octane. There seems to be no difference between highway and in town mileage on my car.

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1985 300TD Turbo Euro-wagon
1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1979 300TD 220,000

GONE but not forgotten
1976 300D 195,300 miles
1983 300D Turbo 175,000 miles

http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg

While I haven't done any definitive mileage runs yet, With restricted driving and a fairly light foot, I can stretch a tank in all city driving for a week. so I'd estimate probably <15mpg. Due to a K-Jet that needs some maintianance..

__________________
RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

____________________________
FACEBOOK: PANZER450

19 is actually pretty good. Some day soon, I will do a controlled test of fuel consumption. Measured fuel amounts, times and distances.

__________________
RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

____________________________
FACEBOOK: PANZER450

I got six on a tank in my 280e once when my cold start compensator (IIRC it was that part) was messed up and dumping mass quantities of fuel into the intake.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

Before I tuned wilma up this summer she got roughly four miles to the gallon. She was running so rich it smelled like I was in a Piper Cub or a ChrisCraft from the 30s. Maladjusted (everything) + D-Jetronic set at an interesting state of tune = "Holy **** I'm empty already?"

Four? Ouch. I used to drive an International Paystar 5000 that got about 3 running JP-8 and loaded to 130,000 gross. Unloaded I got about six. Then on one project I drove an MTVR dump truck that got two and change, but the AC worked great.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.

Well I spent all summer on the engine, and Wilma now gets about 20ish on 110 octane leaded.

110 octane? Did you massively increase the compression over stock?

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.

Nah, I just run it through her every once and a while because that 2.5l d-jet engine loves leaded gas. Plus the lead keeps the valves lubed.

Where are you finding leaded gasoline? or are you adding lead?

__________________
RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

____________________________
FACEBOOK: PANZER450

They have racing gas at a Shell near my house for about $4.40 / gal. It's "not intended for highway use." haha