2012 Mercedes-Benz CLS550 MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2012 Mercedes-Benz CLS550.

The 2012 Mercedes-Benz CLS550 runs on premium gasoline and is in the Compact 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 2012 Mercedes-Benz CLS550 is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2012 Mercedes-Benz CLS550 Get?

First off, the most commonly asked question. A 2012 Mercedes-Benz CLS550 gets up to 17 miles per gallon in the city, and 25 miles per gallon on the highway.

The combined average MPG for the 2012 Mercedes-Benz CLS550 is 20 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2012 Mercedes-Benz CLS550?

The estimated fuel costs for the 2012 Mercedes-Benz CLS550 is $3,700 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 2012 Mercedes-Benz CLS550 to an average vehicle over 5 years, you will spend $7,000 more on fuel.

🛢 How Many Barrels of Petroleum Does a 2012 Mercedes-Benz CLS550 Consume?

The 2012 Mercedes-Benz CLS550 will consume roughly 15 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 2012 Mercedes-Benz CLS550.

City MPG17
Highway MPG25
Combined MPG20
Save/Spend vs Average CarSpend $7,000
Fuel Cost$3,700
Fuel Type 1Premium
Barrels of Petroleum15
DriveRear-Wheel Drive
Cylinders8
Displacement4.7
TransmissionAutomatic 7-spd
Vehicle ClassCompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?Yes

Related Mercedes-Benz Models from 2012

If you're interested in other Mercedes-Benz models from 2012, 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.

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "2012 Mercedes-Benz CLS550 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercedes-benz/cls550/2012.

  • "2012 Mercedes-Benz CLS550 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercedes-benz/cls550/2012. Accessed January 3, 2026.

  • 2012 Mercedes-Benz CLS550 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercedes-benz/cls550/2012.