Want this question answered?
Yes, a Mercedes 300D has a fuel tank.
Between the upright of the back seat and the forward wall of the trunk
I have a 87 260E and it has an 18 gallon tank and a reserve. they are the same chassis w124. and this info should be in your owners manuel
removing gas tank for cleaning
In the 1984 300 TD, the capacity is 18.5 gallons of which 2.5 gallons are reserve. It should be the same for the '85.
When owning a car it is important to know the size of the fuel tank. For a 1983 Mercedes 300TD Wagon, the gas tank size is 18.49 gallons.
about 45 liters
Through 1988, the tank size is 17 gallons.
A 1987 Chevy Silverado has a 20 gal. fuel tank
75 liters
I would ask Google.
Between the rear seat back and the trunk.