2026 Mercedes-Benz SL-Class Specs, MPG & Trims

EPA fuel-economy data and specifications for the 2026 Mercedes-Benz SL-Class (16–22 MPG combined) across 4 listed configurations.

Overview

Body class
Minicompact Cars
Drive
Rear-Wheel Drive, All-Wheel Drive
Engine
4-cyl, 2.0 L; 8-cyl, 4.0 L
Fuel type
Premium Gasoline
Combined MPG
16–22 MPG
Annual fuel cost
$3,750–$5,150
Configurations
4

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 2026 Mercedes-Benz SL-Class. Electric configurations are rated in MPGe.
PowertrainCityHighwayCombinedAnnual fuel costCO2
8-cyl 4.0 L · Premium Gasoline · All-Wheel Drive13–1420–2116$5,150552–558 g/mi
4-cyl 2.0 L · Premium Gasoline · Rear-Wheel Drive192722$3,750400 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 2026 Mercedes-Benz SL-Class (4 rows). "Configuration" is the EPA configuration/engine name.
Configuration / engineDriveTransmissionCyl.Displ. (L)Fuel typeCityHwyComb.Annual cost
AMG SL43Rear-Wheel DriveAutomatic 9-spd42.0Premium Gasoline192722$3,750
AMG SL55 4matic PlusAll-Wheel DriveAutomatic 9-spd84.0Premium Gasoline142116$5,150
AMG SL63 4matic PlusAll-Wheel DriveAutomatic 9-spd84.0Premium Gasoline142116$5,150
SL680 MaybachAll-Wheel DriveAutomatic 9-spd84.0Premium Gasoline132016$5,150

Frequently asked questions

What is the combined MPG of the 2026 Mercedes-Benz SL-Class?

According to EPA data, the 2026 Mercedes-Benz SL-Class is rated at 16–22 MPG combined for its conventional-fuel configurations.

How many cylinders does the 2026 Mercedes-Benz SL-Class have?

The EPA data lists 4 and 8 cylinders across its configurations.

What fuel type does the 2026 Mercedes-Benz SL-Class use?

It uses Premium Gasoline.

What is the annual fuel cost of the 2026 Mercedes-Benz SL-Class?

The EPA estimates annual fuel costs ranging from $3,750 to $5,150.