Mercedes-Benz 300D/300CD MPG and Fuel Economy
Mercedes-Benz have been manufacturing models of 300D/300CD for 2 years, with the latest vehicle in 1985 having a combined MPG of 19.
The estimated fuel cost for the 1985 Mercedes-Benz 300D/300CD is $4,050 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $8,750 more on fuel driving a 1985 Mercedes-Benz 300D/300CD.
🛢 The Mercedes-Benz 300D/300CD will consume roughly 19 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Mercedes-Benz 300D/300CD will emit -1 grams of CO2, which is about -15,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 1 tree would be needed to offset emissions from the Mercedes-Benz 300D/300CD.
The table below is a complete list of the 2 Mercedes-Benz 300D/300CD fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 1985 Mercedes-Benz 300D/300CD | 19 | $4,050 |
| 1984 Mercedes-Benz 300D/300CD | 22 | $3,500 |
Link To or Reference This Page
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"Mercedes-Benz 300D/300CD MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercedes-benz/300d-300cd.
"Mercedes-Benz 300D/300CD MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercedes-benz/300d-300cd. Accessed January 3, 2026.
Mercedes-Benz 300D/300CD MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercedes-benz/300d-300cd.