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Mercedes-Benz SLC-Class Transmission

The 2020 Mercedes-Benz SLC-Class uses Automatic 9-spd transmission, depending on engine and trim.

Latest model year (2020):

The Mercedes-Benz SLC-Class comes with Automatic 9-spd.

Verifiedfueleconomy.gov · Verified August 9, 2026
OverviewMPGEngine SpecsFuel CostTransmissionDrivetrainVehicle ClassMaintenanceDimensionsCurb Weight

Mercedes-Benz SLC-Class Transmission — All Years

YearTrimEngineTransmissionDriveMPG Comb.
2020Config 1 of 2Auto 9-spd, 4 cyl, 2.0 L4 2.0LAutomatic 9-spdRear-Wheel Drive27
2020Config 2 of 2Auto 9-spd, 6 cyl, 3.0 L6 3.0LAutomatic 9-spdRear-Wheel Drive23
2019Config 1 of 2Auto 9-spd, 4 cyl, 2.0 L4 2.0LAutomatic 9-spdRear-Wheel Drive27
2019Config 2 of 2Auto 9-spd, 6 cyl, 3.0 L6 3.0LAutomatic 9-spdRear-Wheel Drive23
2018Config 1 of 2Auto 9-spd, 4 cyl, 2.0 L4 2.0LAutomatic 9-spdRear-Wheel Drive27
2018Config 2 of 2Auto 9-spd, 6 cyl, 3.0 L6 3.0LAutomatic 9-spdRear-Wheel Drive23
2017Config 1 of 2Auto 9-spd, 4 cyl, 2.0 L4 2.0LAutomatic 9-spdRear-Wheel Drive27
2017Config 2 of 2Auto 9-spd, 6 cyl, 3.0 L6 3.0LAutomatic 9-spdRear-Wheel Drive23

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 SLC-Class data analysis

How to read this Mercedes-Benz SLC-Class data

This page lists every 2017 through 2020 Mercedes-Benz SLC-Class record we hold for this measurement — 8 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.

Where these Mercedes-Benz SLC-Class figures come from

Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The Mercedes-Benz SLC-Class record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.

Frequently Asked Questions About SLC-Class Transmission

What transmission does the Mercedes-Benz SLC-Class have?

The Mercedes-Benz SLC-Class is offered with Automatic 9-spd (2020 and earlier model years). Availability depends on engine and trim — see the year-by-year table above.

Does the Mercedes-Benz SLC-Class come with a manual transmission?

No manual transmission is listed for the Mercedes-Benz SLC-Class in the EPA data we track; all listed configurations are automatic or CVT.

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