1994 Mercedes-Benz S420 MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 1994 Mercedes-Benz S420.
The 1994 Mercedes-Benz S420 runs on premium gasoline and is in the Large Cars car class.
Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 1994 Mercedes-Benz S420 is, we have the information you need.
🛣 How Many Miles per Gallon (MPG) Does a 1994 Mercedes-Benz S420 Get?
First off, the most commonly asked question. A 1994 Mercedes-Benz S420 gets up to 14 miles per gallon in the city, and 18 miles per gallon on the highway.
The combined average MPG for the 1994 Mercedes-Benz S420 is 15 miles per gallon.
💵 What is the Average Yearly Fuel Cost for a 1994 Mercedes-Benz S420?
The estimated fuel costs for the 1994 Mercedes-Benz S420 is $4,950 per year.
That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
If you were to compare a 1994 Mercedes-Benz S420 to an average vehicle over 5 years, you will spend $13,250 more on fuel.
The 1994 Mercedes-Benz S420 is also subject to the Gas Guzzler Tax, which is a federal tax on vehicles that has a combined MPG of less than 22.5.
The combined average MPG for the 1994 Mercedes-Benz S420 is 15 miles per gallon, and according to the current tax for each level of MPG, you can expect to pay a tax of $4,500 per year.
🛢 How Many Barrels of Petroleum Does a 1994 Mercedes-Benz S420 Consume?
The 1994 Mercedes-Benz S420 will consume roughly 20 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
Overview
The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 1994 Mercedes-Benz S420.
| City MPG | 14 |
|---|---|
| Highway MPG | 18 |
| Combined MPG | 15 |
| Save/Spend vs Average Car | Spend $13,250 |
| Gas Guzzler Tax | $4,500 |
| Fuel Cost | $4,950 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 20 |
| Drive | Rear-Wheel Drive |
| Cylinders | 8 |
| Displacement | 4.2 |
| Transmission | Automatic 4-spd |
| Vehicle Class | Large Cars |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Related Mercedes-Benz Models from 1994
If you're interested in other Mercedes-Benz models from 1994, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.
| Model | Combined MPG |
|---|---|
| C220 | 22 |
| C280 | 20 |
| E320 Convertible | 18 |
| E320 Coupe | 19 |
| E320 Sedan | 19 |
| E320 Wagon | 18 |
| E420 | 18 |
| E500 | 16 |
| S320 | 18 |
| S350D | 21 |
| S500 Coupe | 14 |
| S500 Sedan | 14 |
| S600 Coupe | 13 |
| S600 Sedan | 13 |
| SL320 | 18 |
| SL500 | 16 |
| SL600 | 13 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/mercedes-benz/s420/1994">1994 Mercedes-Benz S420 MPG and Fuel Economy</a>
"1994 Mercedes-Benz S420 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercedes-benz/s420/1994.
"1994 Mercedes-Benz S420 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercedes-benz/s420/1994. Accessed January 3, 2026.
1994 Mercedes-Benz S420 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercedes-benz/s420/1994.