2024 Mercedes-Benz SLC-Class Specs: MPG, Gas Mileage, Engine Size & Dimensions

2017–2020 model years8 variantsUp to 27 MPG combined

2024 Mercedes-Benz SLC-Class Specs at a Glance

The 2024 Mercedes-Benz SLC-Class gets 27 mpg combined on the 2.0L Rear-Wheel Drive configuration, weighs 3,516 lbs, measures 162.6 in long. Figures are per configuration, not a single official number — other trims rate as low as 23 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
27 mpg (23 city / 32 hwy)
Best configuration: 2.0L · Rear-Wheel Drive · Automatic 9-spd · other 2024 trims rate 23–27 mpg combined
Engine
2.0L 4-cyl
2.0L · Rear-Wheel Drive · Automatic 9-spd · 2 powertrains offered
Curb weight
3,516 lbs
Heaviest recorded configuration: SLC CLASS SLC 43 AMG 2DR CONVERTIBLE
Length
162.6 in · 71.3 in wide · 51.2 in tall
Wheelbase
95.7 in

Detailed Specifications

Mercedes-Benz SLC-Class — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2020Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdRear-Wheel Drive233227Premium Gasoline
2020Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdRear-Wheel Drive202923Premium Gasoline
2019Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdRear-Wheel Drive233227Premium Gasoline
2019Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdRear-Wheel Drive202923Premium Gasoline
2018Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdRear-Wheel Drive253227Premium Gasoline
2018Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdRear-Wheel Drive202923Premium Gasoline
2017Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdRear-Wheel Drive253227Premium Gasoline
2017Auto 9-spd, 6 cyl, 3.0 L6 · 3.0LAutomatic 9-spdRear-Wheel Drive202923Premium Gasoline

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Mercedes-Benz SLC-Class — Frequently Asked Questions

What is the fuel economy of the 2020 Mercedes-Benz SLC-Class?

The Mercedes-Benz SLC-Class is EPA-rated at up to 27 MPG combined (23 city / 32 highway).

What engine does the 2020 Mercedes-Benz SLC-Class have?

The Mercedes-Benz SLC-Class uses a 2.0L 4-cylinder engine paired with an Automatic 9-spd transmission.

What years of the Mercedes-Benz SLC-Class are covered here?

This page documents 8 verified Mercedes-Benz SLC-Class configurations across model years 2017–2020.

Which model year of the Mercedes-Benz SLC-Class is the most fuel efficient?

Every documented Mercedes-Benz SLC-Class model year lands on the same 27 MPG combined peak, so fuel economy is not a reason to prefer one year over another.

How many engine options does the Mercedes-Benz SLC-Class have?

The records list 2 distinct displacements for the Mercedes-Benz SLC-Class — 2L, 3L — which is why combined MPG varies between trims of the same year.

Is the 2020 Mercedes-Benz SLC-Class front-wheel drive or all-wheel drive?

Every Mercedes-Benz SLC-Class configuration on record here is Rear-Wheel Drive; no alternative drivetrain appears in the 2017–2020 data.