Mercedes-Benz CLS-Class Engine Specifications

The 2023 Mercedes-Benz CLS-Class is offered with 3.0L–5.5L engines in 6 and 8-cylinder form, per EPA fuel-economy records.

Latest model year (2023):

The Mercedes-Benz CLS-Class is available with 6 3.0L and Automatic 9-spd (All-Wheel Drive).

Verifiedfueleconomy.gov · Verified August 9, 2026

Overview MPG Engine Specs Fuel Cost Transmission Drivetrain Vehicle Class Maintenance

Mercedes-Benz CLS-Class Engine Specs — All Years

Year	Trim	Cylinders	Displ.	Transmission	Drive	Fuel Type	Vehicle Class
2023	Auto 9-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 9-spd	All-Wheel Drive	Premium Gasoline	Compact Cars
2022	Auto 9-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 9-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2021	Auto 9-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 9-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2021	Auto 9-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 9-spd	Rear-Wheel Drive	Premium Gasoline	Compact Cars
2021	Auto 9-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 9-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2020	Auto 9-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 9-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2020	Auto 9-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 9-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2020	Auto 9-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 9-spd	Rear-Wheel Drive	Premium Gasoline	Compact Cars
2019	Auto 9-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 9-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2019	Auto 9-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 9-spd	Rear-Wheel Drive	Premium Gasoline	Compact Cars
2019	Auto 9-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 9-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2018	Auto 7-spd, 8 cyl, 5.5 L	8	5.5L	Automatic 7-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2018	Auto 9-spd, 8 cyl, 4.7 L	8	4.7L	Automatic 9-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2018	Auto 9-spd, 8 cyl, 4.7 L	8	4.7L	Automatic 9-spd	Rear-Wheel Drive	Premium Gasoline	Compact Cars
2017	Auto 7-spd, 8 cyl, 5.5 L	8	5.5L	Automatic 7-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2017	Auto 9-spd, 8 cyl, 4.7 L	8	4.7L	Automatic 9-spd	Rear-Wheel Drive	Premium Gasoline	Compact Cars
2017	Auto 9-spd, 8 cyl, 4.7 L	8	4.7L	Automatic 9-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2016	Auto 7-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 7-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2016	Auto 7-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 7-spd	Rear-Wheel Drive	Premium Gasoline	Compact Cars
2016	Auto 7-spd, 8 cyl, 5.5 L	8	5.5L	Automatic 7-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2016	Auto 9-spd, 8 cyl, 4.7 L	8	4.7L	Automatic 9-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2016	Auto 9-spd, 8 cyl, 4.7 L	8	4.7L	Automatic 9-spd	Rear-Wheel Drive	Premium Gasoline	Compact Cars
2015	Auto 7-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 7-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2015	Auto 7-spd, 6 cyl, 3.0 L	6	3.0L	Automatic 7-spd	Rear-Wheel Drive	Premium Gasoline	Compact Cars
2015	Auto 7-spd, 8 cyl, 4.7 L	8	4.7L	Automatic 7-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2015	Auto 7-spd, 8 cyl, 5.5 L	8	5.5L	Automatic 7-spd	4-Wheel Drive	Premium Gasoline	Compact Cars
2015	Auto 9-spd, 8 cyl, 4.7 L	8	4.7L	Automatic 9-spd	Rear-Wheel Drive	Premium Gasoline	Compact Cars

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Mercedes-Benz CLS-Class Engine Specs FAQ

What engine does the Mercedes-Benz CLS-Class have?

The Mercedes-Benz CLS-Class is available with 6 cylinder engines ranging up to 3.0L. Transmission and drivetrain options vary by trim. See the full table above.

Is the Mercedes-Benz CLS-Class available with all-wheel drive?

Yes, the Mercedes-Benz CLS-Class is available with all-wheel drive. Check the "Drive" column in the table above for specific trims.

All Mercedes-Benz CLS-Class specifications

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