Mercedes-Benz
300SD
U.S. fuel economy and specifications from the EPA.

21Best combined MPG1985 model year
1985–1993Model years3 with EPA ratings
4Rated configurationsDrive, transmission and engine
3–3.5 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
1985 21 MPG
1986 No rating
1987 No rating
1988 No rating
1989 No rating
1990 No rating
1991 No rating
1992 19 MPG
1993 19 MPG
1 configuration.
Rear-Wheel Drive · Automatic 4-spd
Diesel · Large Cars
- Combined MPG
- 19
- Engine displacement
- 3.5 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Diesel · Large Cars
- Combined MPG
- 19
- Engine displacement
- 3.5 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 4-spd
Diesel · Compact Cars
- Combined MPG
- 21
- Engine displacement
- 3.0 L
- Cylinders
- 5
Rear-Wheel Drive · Automatic 4-spd
Diesel · Compact Cars
- Combined MPG
- 19
- Engine displacement
- 3.0 L
- Cylinders
- 5