2018 Mercedes-Benz CLS-Class Specs, MPG & Trims

EPA fuel-economy data and specifications for the 2018 Mercedes-Benz CLS-Class (18–21 MPG combined) across 3 listed configurations.

Overview

Body class
Compact Cars
Drive
Rear-Wheel Drive, 4-Wheel Drive
Engine
8-cyl, 4.7 L; 8-cyl, 5.5 L
Fuel type
Premium Gasoline
Combined MPG
18–21 MPG
Annual fuel cost
$3,900–$4,550
Configurations
3

MPG & fuel economy

City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.

EPA city, highway and combined ratings by powertrain for the 2018 Mercedes-Benz CLS-Class. Electric configurations are rated in MPGe.
PowertrainCityHighwayCombinedAnnual fuel costCO2
8-cyl 4.7 L · Premium Gasoline · 4-Wheel Drive172520$4,100444 g/mi
8-cyl 5.5 L · Premium Gasoline · 4-Wheel Drive162218$4,550495 g/mi
8-cyl 4.7 L · Premium Gasoline · Rear-Wheel Drive182621$3,900425 g/mi

Configurations & engine comparison

Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.

Every EPA-listed configuration for the 2018 Mercedes-Benz CLS-Class (3 rows). "Configuration" is the EPA configuration/engine name.
Configuration / engineDriveTransmissionCyl.Displ. (L)Fuel typeCityHwyComb.Annual cost
AMG CLS63 S 4matic4-Wheel DriveAutomatic 7-spd85.5Premium Gasoline162218$4,550
CLS550Rear-Wheel DriveAutomatic 9-spd84.7Premium Gasoline182621$3,900
CLS550 4matic4-Wheel DriveAutomatic 9-spd84.7Premium Gasoline172520$4,100

Frequently asked questions

What is the combined MPG of the 2018 Mercedes-Benz CLS-Class?

According to EPA data, the 2018 Mercedes-Benz CLS-Class is rated at 18–21 MPG combined for its conventional-fuel configurations.

How many cylinders does the 2018 Mercedes-Benz CLS-Class have?

The EPA data lists 8 cylinders for this vehicle.

What fuel type does the 2018 Mercedes-Benz CLS-Class use?

It uses Premium Gasoline.

What is the annual fuel cost of the 2018 Mercedes-Benz CLS-Class?

The EPA estimates annual fuel costs ranging from $3,900 to $4,550.