Anyone know how much my car burns?

how can I increase l/100km fuel economy

The only way to figure it out is to test. Fill it up, drive 100km, fill it up and figure it out. I bet the number will be about 26 american miles per american gallon.

To increase effeciency you could
- switch to synthetic oil
- remove the EGR, but I doubt that you have one
- make certain that your air and fuel filters are clean
- get good tires (Michelin Energy)
- drive on smooth roads with the wind at your back and behind big trucks.
- possibly drop your cars height, but really not worth it
- drive around 2500 rpm in top gear
- you get the idea

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84 300TD - 235k - Farbe "Surfblau" bought at 213k
87 300SDL - 131k - Farbe "PimpGold" bought at 115k
00 Klepper Faltboot Expedition Double

The closest I have is from the 1969 MB "Technical Data: Passenger Cars" for the 220D: 8.5L/100km @ 101.25 km/hr. Then is says 7.5-10.5L/100km at average cruising, whatever "average cruising" is. And for diesel fuel according to DIN 51 601.

For me the 8.5L/100km translates to 27.7mpg @ 62.9mph. My long term average (11yr) is slightly under 36mpg with mostly two lane highway cruising at 55-60mph. Original owner's long term average (20yr) was about 34mpg with mostly two lane highway cruising at 52-53mph, which is the sweet spot for this particular engine. Mechanical differences are Power Service DieselKleen fuel additive vs. ATF, Shell Rotella-T 15W-40 vs. Pennzoil 30W, and 34psi tires vs. 32 psi. Second owner (1yr) never did fuel the car! The three of us all came from trucking backgrounds.

Figure modern engine oils add 2-3 mpg, add another 2 mpg for conservative MB engineering data, and who knows what the effect of modern tires and fuel are.

In my opinion, a properly maintained vehicle is only half of the answer of your question of how to increase mileage. The other half is your driving habits. I'm sure a search on this web site will indicate as many opinions as people participating.

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daBenz - 1970 220D

I find it if you drive with heavy foot with this car it will burn the fuel quickly other than that ill have to wait and get to know the car more...